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From ppod...@apache.org
Subject svn commit: r767973 [1/2] - in /openjpa/trunk: openjpa-kernel/src/main/java/org/apache/openjpa/enhance/ openjpa-kernel/src/main/java/org/apache/openjpa/kernel/ openjpa-kernel/src/main/java/org/apache/openjpa/meta/ openjpa-kernel/src/main/resources/org/...
Date Thu, 23 Apr 2009 16:55:47 GMT
Author: ppoddar
Date: Thu Apr 23 16:55:45 2009
New Revision: 767973

URL: http://svn.apache.org/viewvc?rev=767973&view=rev
Log:
OPENJPA-926: Support explicit access types

Added:
    openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/AccessCode.java   (with props)
    openjpa/trunk/openjpa-kernel/src/test/java/org/apache/openjpa/meta/TestAccessCode.java   (with props)
Modified:
    openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/ManagedClassSubclasser.java
    openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCEnhancer.java
    openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCSubclassValidator.java
    openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/ReflectingPersistenceCapable.java
    openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/BrokerImpl.java
    openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/DelegatingResultList.java
    openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/StateManagerImpl.java
    openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/AbstractMetaDataDefaults.java
    openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/ClassMetaData.java
    openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/FieldMetaData.java
    openjpa/trunk/openjpa-kernel/src/main/resources/org/apache/openjpa/meta/localizer.properties
    openjpa/trunk/openjpa-lib/src/main/java/org/apache/openjpa/lib/rop/ListResultList.java
    openjpa/trunk/openjpa-lib/src/main/java/org/apache/openjpa/lib/util/J2DoPrivHelper.java
    openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/meta/AbstractThing.java
    openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/TestEmbeddableXml.java
    openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/attrOverrides/TestAttrOverridesXml.java
    openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/inheritance/TestDefaultInheritanceStrategy.java
    openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/AnnotationPersistenceMetaDataParser.java
    openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/MetaDataTag.java
    openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/PersistenceMetaDataDefaults.java
    openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/XMLPersistenceMetaDataParser.java
    openjpa/trunk/openjpa-persistence/src/main/resources/org/apache/openjpa/persistence/localizer.properties
    openjpa/trunk/openjpa-persistence/src/main/resources/org/apache/openjpa/persistence/meta/localizer.properties

Modified: openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/ManagedClassSubclasser.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/ManagedClassSubclasser.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/ManagedClassSubclasser.java (original)
+++ openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/ManagedClassSubclasser.java Thu Apr 23 16:55:45 2009
@@ -37,6 +37,7 @@
 import org.apache.openjpa.lib.util.Localizer;
 import org.apache.openjpa.lib.util.Files;
 import org.apache.openjpa.lib.util.Localizer.Message;
+import org.apache.openjpa.meta.AccessCode;
 import org.apache.openjpa.meta.ClassMetaData;
 import org.apache.openjpa.meta.FieldMetaData;
 import org.apache.openjpa.meta.JavaTypes;
@@ -225,11 +226,15 @@
 
         setDetachedState(meta);
 
-        if (warn && meta.getAccessType() == ClassMetaData.ACCESS_FIELD
+        // If warn & (implicit field access | mixed access) & noredef
+        if (warn && ((AccessCode.isField(meta.getAccessType())
+            && !meta.isMixedAccess()) ||  meta.isMixedAccess())
             && !redefineAvailable) {
             // only warn about declared fields; superclass fields will be
             // warned about when the superclass is handled
             for (FieldMetaData fmd : meta.getDeclaredFields()) {
+                if (fmd.getAccessType() == ClassMetaData.ACCESS_PROPERTY)
+                    continue;
                 switch (fmd.getTypeCode()) {
                     case JavaTypes.COLLECTION:
                     case JavaTypes.MAP:

Modified: openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCEnhancer.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCEnhancer.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCEnhancer.java (original)
+++ openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCEnhancer.java Thu Apr 23 16:55:45 2009
@@ -58,6 +58,7 @@
 import org.apache.openjpa.lib.util.Options;
 import org.apache.openjpa.lib.util.Services;
 import org.apache.openjpa.lib.util.Localizer.Message;
+import org.apache.openjpa.meta.AccessCode;
 import org.apache.openjpa.meta.ClassMetaData;
 import org.apache.openjpa.meta.FieldMetaData;
 import org.apache.openjpa.meta.JavaTypes;
@@ -93,6 +94,7 @@
 import serp.bytecode.Instruction;
 import serp.bytecode.JumpInstruction;
 import serp.bytecode.LoadInstruction;
+import serp.bytecode.LookupSwitchInstruction;
 import serp.bytecode.MethodInstruction;
 import serp.bytecode.Project;
 import serp.bytecode.TableSwitchInstruction;
@@ -508,8 +510,7 @@
 
             // validate properties before replacing field access so that
             // we build up a record of backing fields, etc
-            if (_meta != null
-                && _meta.getAccessType() == ClassMetaData.ACCESS_PROPERTY) {
+            if (isPropertyAccess(_meta)) {
                 validateProperties();
                 if (getCreateSubclass())
                     addAttributeTranslation();
@@ -599,7 +600,7 @@
     }
 
     /**
-     * Validate that the methods in this property-access instance are
+     * Validate that the methods that use a property-access instance are
      * written correctly. This method also gathers information on each
      * property's backing field.
      */
@@ -613,12 +614,6 @@
         BCMethod getter, setter;
         BCField returned, assigned = null;
         for (int i = 0; i < fmds.length; i++) {
-            if (!(fmds[i].getBackingMember() instanceof Method)) {
-                addViolation("property-bad-member",
-                    new Object[]{ fmds[i], fmds[i].getBackingMember() },
-                    true);
-                continue;
-            }
 
             meth = (Method) fmds[i].getBackingMember();
             // ##### this will fail if we override and don't call super.
@@ -688,32 +683,71 @@
     }
 
     private void addAttributeTranslation() {
+
+        // Get all field metadata
+        ArrayList<Integer> propFmds = new ArrayList<Integer>();
+        FieldMetaData[] fmds = _meta.getFields();
+
+        if (_meta.isMixedAccess()) {
+            // Stores indexes of property access fields to be used in
+            // 
+            propFmds = new ArrayList<Integer>();
+            
+            // Determine which fields have property access and save their 
+            // indexes
+            for (int i = 0; i < fmds.length; i++) {
+                if (isPropertyAccess(fmds[i]))
+                    propFmds.add(i);
+            }
+
+            // if no fields have property access do not do attribute translation
+            if (propFmds.size() == 0)
+                return;
+        }
+
         _pc.declareInterface(AttributeTranslator.class);
         BCMethod method = _pc.declareMethod(PRE + "AttributeIndexToFieldName",
             String.class, new Class[] { int.class });
         method.makePublic();
         Code code = method.getCode(true);
 
-        FieldMetaData[] fmds = _meta.getFields();
-
         // switch (val)
         code.iload().setParam(0);
-        TableSwitchInstruction tabins = code.tableswitch();
-        tabins.setLow(0);
-        tabins.setHigh(fmds.length - 1);
+        if (!_meta.isMixedAccess()) {
+            // if not mixed access use a table switch on all property-based fmd.
+            // a table switch is more efficient with +1 incremental operations
+            TableSwitchInstruction tabins = code.tableswitch();
+            
+            tabins.setLow(0);
+            tabins.setHigh(fmds.length - 1);
 
-        // case i:
-        //     return <_attrsToFields.get(fmds[i].getName())>
-        for (int i = 0; i < fmds.length; i++) {
-            tabins.addTarget(code.constant().setValue(
-                _attrsToFields.get(fmds[i].getName())));
-            code.areturn();
+            // case i:
+            //     return <_attrsToFields.get(fmds[i].getName())>
+            for (int i = 0; i < fmds.length; i++) {
+                tabins.addTarget(code.constant().setValue(
+                    _attrsToFields.get(fmds[i].getName())));
+                code.areturn();
+            }            
+            // default: throw new IllegalArgumentException ()
+            tabins.setDefaultTarget(throwException
+                (code, IllegalArgumentException.class));
         }
-
-        // default: throw new IllegalArgumentException ()
-        tabins.setDefaultTarget(throwException
-            (code, IllegalArgumentException.class));
-
+        else {
+            // In mixed access mode, property indexes are not +1 incremental 
+            // a lookup switch must be used to do indexed lookup.
+            LookupSwitchInstruction lookupins = code.lookupswitch();
+            
+            for (Integer i : propFmds) {
+                lookupins.addCase(i,
+                    code.constant().setValue(
+                    _attrsToFields.get(fmds[i].getName())));
+                code.areturn();
+            }            
+            // default: throw new IllegalArgumentException ()
+            lookupins.setDefaultTarget(throwException
+                (code, IllegalArgumentException.class));
+        }
+        
         code.calculateMaxLocals();
         code.calculateMaxStack();
     }
@@ -903,9 +937,8 @@
             name = fi.getFieldName();
             typeName = fi.getFieldTypeName();
             owner = getPersistenceCapableOwner(name, fi.getFieldDeclarerType());
-
-            if (owner != null
-                && owner.getAccessType() == ClassMetaData.ACCESS_PROPERTY) {
+            FieldMetaData fmd = owner == null ? null : owner.getField(name);
+            if (isPropertyAccess(fmd)) {
                 // if we're directly accessing a field in another class
                 // hierarchy that uses property access, something is wrong
                 if (owner != _meta && owner.getDeclaredField(name) != null &&
@@ -928,7 +961,7 @@
                 code.next();
                 continue;
             } else if (!getRedefine() && !getCreateSubclass()
-                && owner.getAccessType() == ClassMetaData.ACCESS_FIELD) {
+                && isFieldAccess(fmd)) {
                 // replace the instruction with a call to the generated access
                 // method
                 mi = (MethodInstruction) code.set(stat);
@@ -1330,11 +1363,11 @@
             //  (this, fieldNumber);
             for (int i = 0; i < fmds.length; i++) {
                 // for the addSetManagedValueCode call below.
-                tabins.addTarget(loadManagedInstance(code, false));
+                tabins.addTarget(loadManagedInstance(code, false, fmds[i]));
 
-                loadManagedInstance(code, false);
+                loadManagedInstance(code, false, fmds[i]);
                 code.getfield().setField(SM, SMTYPE);
-                loadManagedInstance(code, false);
+                loadManagedInstance(code, false, fmds[i]);
                 code.iload().setParam(0);
                 code.invokeinterface().setMethod(getStateManagerMethod
                     (fmds[i].getDeclaredType(), "replace", true, false));
@@ -1386,7 +1419,7 @@
             for (int i = 0; i < fmds.length; i++) {
                 // <field> = other.<field>;
                 // or set<field> (other.get<field>);
-                tabins.addTarget(loadManagedInstance(code, false));
+                tabins.addTarget(loadManagedInstance(code, false, fmds[i]));
                 code.aload().setParam(0);
                 addGetManagedValueCode(code, fmds[i], false);
                 addSetManagedValueCode(code, fmds[i]);
@@ -1930,7 +1963,7 @@
 
             name = fmds[i].getName();
             type = fmds[i].getObjectIdFieldType();
-            if (_meta.getAccessType() == ClassMetaData.ACCESS_FIELD) {
+            if (isFieldAccess(fmds[i])) {
                 setter = null;
                 field = Reflection.findField(oidType, name, true);
                 reflect = !Modifier.isPublic(field.getModifiers());
@@ -2321,7 +2354,7 @@
                             code.invokespecial().setMethod(type, "<init>",
                                 void.class, new Class[]{ unwrapped });
                     }
-                } else if (_meta.getAccessType() == ClassMetaData.ACCESS_FIELD){
+                } else if (isFieldAccess(fmds[i])) {
                     field = Reflection.findField(oidType, name, true);
                     if (Modifier.isPublic(field.getModifiers()))
                         code.getfield().setField(field);
@@ -3426,8 +3459,7 @@
             : _meta.getDeclaredFields();
         for (int i = 0; i < fmds.length; i++) {
             if (getCreateSubclass()) {
-                if (!getRedefine()
-                    && _meta.getAccessType() != ClassMetaData.ACCESS_FIELD) {
+                if (!getRedefine() && isPropertyAccess(fmds[i])) {
                     addSubclassSetMethod(fmds[i]);
                     addSubclassGetMethod(fmds[i]);
                 }
@@ -3542,7 +3574,7 @@
         byte fieldFlag = getFieldFlag(fmd);
         if ((fieldFlag & PersistenceCapable.CHECK_READ) == 0
             && (fieldFlag & PersistenceCapable.MEDIATE_READ) == 0) {
-            loadManagedInstance(code, true);
+            loadManagedInstance(code, true, fmd);
             addGetManagedValueCode(code, fmd);
             code.xreturn().setType(fmd.getDeclaredType());
 
@@ -3552,10 +3584,10 @@
         }
 
         // if (inst.pcStateManager == null) return inst.<field>;
-        loadManagedInstance(code, true);
+        loadManagedInstance(code, true, fmd);
         code.getfield().setField(SM, SMTYPE);
         JumpInstruction ifins = code.ifnonnull();
-        loadManagedInstance(code, true);
+        loadManagedInstance(code, true, fmd);
         addGetManagedValueCode(code, fmd);
         code.xreturn().setType(fmd.getDeclaredType());
 
@@ -3568,12 +3600,12 @@
 
         // inst.pcStateManager.accessingField (field);
         // return inst.<field>;
-        loadManagedInstance(code, true);
+        loadManagedInstance(code, true, fmd);
         code.getfield().setField(SM, SMTYPE);
         code.iload().setLocal(fieldLocal);
         code.invokeinterface().setMethod(SMTYPE, "accessingField", void.class,
             new Class[]{ int.class });
-        loadManagedInstance(code, true);
+        loadManagedInstance(code, true, fmd);
         addGetManagedValueCode(code, fmd);
         code.xreturn().setType(fmd.getDeclaredType());
 
@@ -3595,26 +3627,26 @@
         Code code = method.getCode(true);
 
         // PCEnhancer uses static methods; PCSubclasser does not.
-        int firstParamOffset = getAccessorParameterOffset();
+        int firstParamOffset = getAccessorParameterOffset(fmd);
 
         // if (inst.pcStateManager == null) inst.<field> = value;
-        loadManagedInstance(code, true);
+        loadManagedInstance(code, true, fmd);
         code.getfield().setField(SM, SMTYPE);
         JumpInstruction ifins = code.ifnonnull();
-        loadManagedInstance(code, true);
+        loadManagedInstance(code, true, fmd);
         code.xload().setParam(firstParamOffset);
         addSetManagedValueCode(code, fmd);
         code.vreturn();
 
         // inst.pcStateManager.setting<fieldType>Field (inst,
         //     pcInheritedFieldCount + <index>, inst.<field>, value, 0);
-        ifins.setTarget(loadManagedInstance(code, true));
+        ifins.setTarget(loadManagedInstance(code, true, fmd));
         code.getfield().setField(SM, SMTYPE);
-        loadManagedInstance(code, true);
+        loadManagedInstance(code, true, fmd);
         code.getstatic().setField(INHERIT, int.class);
         code.constant().setValue(index);
         code.iadd();
-        loadManagedInstance(code, true);
+        loadManagedInstance(code, true, fmd);
         addGetManagedValueCode(code, fmd);
         code.xload().setParam(firstParamOffset);
         code.constant().setValue(0);
@@ -3818,9 +3850,11 @@
      * name for the persistent attribute <code>name</code>.
      */
     private String toBackingFieldName(String name) {
-        if (_meta.getAccessType() == ClassMetaData.ACCESS_PROPERTY
+        // meta is null when enhancing persistence-aware 
+    	FieldMetaData fmd = _meta == null ? null : _meta.getField(name);
+        if (_meta != null && isPropertyAccess(fmd)
             && _attrsToFields != null && _attrsToFields.containsKey(name))
-            name = (String) _attrsToFields.get(name);
+            name = (String)_attrsToFields.get(name);
         return name;
     }
 
@@ -3829,11 +3863,11 @@
      * attribute name for the backing field <code>name</code>.
      */
     private String fromBackingFieldName(String name) {
-        // meta is null when doing persistence-aware enhancement
-        if (_meta != null
-            && _meta.getAccessType() == ClassMetaData.ACCESS_PROPERTY
+        // meta is null when enhancing persistence-aware 
+    	FieldMetaData fmd = _meta == null ? null : _meta.getField(name);
+        if (_meta != null && isPropertyAccess(fmd)
             && _fieldsToAttrs != null && _fieldsToAttrs.containsKey(name))
-            return (String) _fieldsToAttrs.get(name);
+            return (String)_fieldsToAttrs.get(name);
         else
             return name;
     }
@@ -4193,8 +4227,7 @@
         // just do a subclass approach instead. But this is not a good option,
         // since it would sacrifice lazy loading and efficient dirty tracking.
 
-        if (getRedefine()
-            || _meta.getAccessType() == ClassMetaData.ACCESS_FIELD) {
+        if (getRedefine() || isFieldAccess(fmd)) {
             getfield(code, null, fmd.getName());
         } else if (getCreateSubclass()) {
             // property access, and we're not redefining. If we're operating
@@ -4230,8 +4263,7 @@
         // just do a subclass approach instead. But this is not a good option,
         // since it would sacrifice lazy loading and efficient dirty tracking.
 
-        if (getRedefine()
-            || _meta.getAccessType() == ClassMetaData.ACCESS_FIELD) {
+        if (getRedefine() || isFieldAccess(fmd)) {
             putfield(code, null, fmd.getName(), fmd.getDeclaredType());
         } else if (getCreateSubclass()) {
             // property access, and we're not redefining. invoke the
@@ -4247,13 +4279,6 @@
     }
 
     /**
-     * Return the offset that the first meaningful accessor parameter is at.
-     */
-    private int getAccessorParameterOffset() {
-        return (_meta.getAccessType() == ClassMetaData.ACCESS_FIELD) ? 1 : 0;
-    }
-
-    /**
      * Add the {@link Instruction}s to load the instance to modify onto the
      * stack, and return it. If <code>forStatic</code> is set, then
      * <code>code</code> is in an accessor method or another static method;
@@ -4261,19 +4286,57 @@
      *
      * @return the first instruction added to <code>code</code>.
      */
-    private Instruction loadManagedInstance(Code code, boolean forStatic) {
-        if (_meta.getAccessType() == ClassMetaData.ACCESS_FIELD && forStatic)
+    private Instruction loadManagedInstance(Code code, boolean forStatic,
+            FieldMetaData fmd) {
+        if (forStatic && isFieldAccess(fmd))
             return code.aload().setParam(0);
         return code.aload().setThis();
     }
 
     /**
+     * Add the {@link Instruction}s to load the instance to modify onto the
+     * stack, and return it.  This method should not be used to load static
+     * fields.
+     *
+     * @return the first instruction added to <code>code</code>.
+     */
+    private Instruction loadManagedInstance(Code code, boolean forStatic) {
+    	return loadManagedInstance(code, forStatic, null);
+    }
+    
+    private int getAccessorParameterOffset(FieldMetaData fmd) {
+       return isFieldAccess(fmd) ? 1 : 0;
+    }
+
+    /**
+     * Affirms if the given class is using field-based access.
+     */
+    boolean isPropertyAccess(ClassMetaData meta) {
+    	return meta != null && (meta.isMixedAccess() || 
+    		AccessCode.isProperty(meta.getAccessType()));
+    }
+    
+    /**
+     * Affirms if the given field is using field-based access.
+     */
+    boolean isPropertyAccess(FieldMetaData fmd) {
+    	return fmd != null && AccessCode.isProperty(fmd.getAccessType());
+    }
+    
+    /**
+     * Affirms if the given field is using method-based access.
+     */
+    boolean isFieldAccess(FieldMetaData fmd) {
+    	return fmd != null && AccessCode.isField(fmd.getAccessType());
+    }
+
+    /**
      * Create the generated getter {@link BCMethod} for <code>fmd</code>. The
      * calling environment will then populate this method's code block.
      */
     private BCMethod createGetMethod(FieldMetaData fmd) {
         BCMethod getter;
-        if (_meta.getAccessType() == ClassMetaData.ACCESS_FIELD) {
+        if (isFieldAccess(fmd)) {
             // static <fieldtype> pcGet<field> (XXX inst)
             BCField field = _pc.getDeclaredField(fmd.getName());
             getter = _pc.declareMethod(PRE + "Get" + fmd.getName(), fmd.
@@ -4305,7 +4368,7 @@
      */
     private BCMethod createSetMethod(FieldMetaData fmd) {
         BCMethod setter;
-        if (_meta.getAccessType() == ClassMetaData.ACCESS_FIELD) {
+        if (isFieldAccess(fmd)) {
             // static void pcSet<field> (XXX inst, <fieldtype> value)
             BCField field = _pc.getDeclaredField(fmd.getName());
             setter = _pc.declareMethod(PRE + "Set" + fmd.getName(), void.class,

Modified: openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCSubclassValidator.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCSubclassValidator.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCSubclassValidator.java (original)
+++ openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCSubclassValidator.java Thu Apr 23 16:55:45 2009
@@ -18,6 +18,8 @@
  */
 package org.apache.openjpa.enhance;
 
+import java.lang.reflect.Field;
+import java.lang.reflect.Member;
 import java.lang.reflect.Modifier;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Method;
@@ -138,7 +140,7 @@
         // just considers accessor methods for now.
         FieldMetaData[] fmds = meta.getFields();
         for (int i = 0; i < fmds.length; i++) {
-            Method getter = (Method) fmds[i].getBackingMember();
+            Method getter = getBackingMember(fmds[i]);
             if (getter == null) {
                 addError(loc.get("subclasser-no-getter",
                     fmds[i].getName()), fmds[i]);
@@ -166,6 +168,18 @@
             // ### doesn't use the field.
         }
     }
+    
+    private Method getBackingMember(FieldMetaData fmd) {
+    	Member back = fmd.getBackingMember();
+    	if (Method.class.isInstance(back))
+    		return (Method)back;
+    	
+    	Method getter = Reflection.findGetter(meta.getDescribedType(), 
+    			fmd.getName(), false);
+    	if (getter != null)
+    		fmd.backingMember(getter);
+    	return getter;
+    }
 
     private Method setterForField(FieldMetaData fmd) {
         try {

Modified: openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/ReflectingPersistenceCapable.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/ReflectingPersistenceCapable.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/ReflectingPersistenceCapable.java (original)
+++ openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/ReflectingPersistenceCapable.java Thu Apr 23 16:55:45 2009
@@ -337,7 +337,8 @@
     }
 
     private Object getValue(int i, Object o) {
-        if (meta.getAccessType() == ClassMetaData.ACCESS_PROPERTY) {
+        FieldMetaData fmd = meta.getField(i);
+        if (fmd.getAccessType() == ClassMetaData.ACCESS_PROPERTY) {
             Field field = Reflection.findField(meta.getDescribedType(),
                 toFieldName(i), true);
             return Reflection.get(o, field);
@@ -356,7 +357,8 @@
     }
 
     private void setValue(int i, Object o, Object val) {
-        if (meta.getAccessType() == ClassMetaData.ACCESS_PROPERTY) {
+        FieldMetaData fmd = meta.getField(i);
+        if (fmd.getAccessType() == ClassMetaData.ACCESS_PROPERTY) {
             if (!meta.isIntercepting()) {
                 Method meth = Reflection.findSetter(meta.getDescribedType(),
                     meta.getField(i).getName(), true);

Modified: openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/BrokerImpl.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/BrokerImpl.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/BrokerImpl.java (original)
+++ openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/BrokerImpl.java Thu Apr 23 16:55:45 2009
@@ -2532,9 +2532,10 @@
 
             // create id for instance
             if (id == null) {
-                if (meta.getIdentityType() == ClassMetaData.ID_APPLICATION)
+            	int idType = meta.getIdentityType();
+                if (idType == ClassMetaData.ID_APPLICATION)
                     id = ApplicationIds.create(pc, meta);
-                else if (meta.getIdentityType() == ClassMetaData.ID_UNKNOWN)
+                else if (idType == ClassMetaData.ID_UNKNOWN)
                     throw new UserException(_loc.get("meta-unknownid", meta));
                 else
                     id = StateManagerId.newInstance(this);

Modified: openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/DelegatingResultList.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/DelegatingResultList.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/DelegatingResultList.java (original)
+++ openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/DelegatingResultList.java Thu Apr 23 16:55:45 2009
@@ -326,6 +326,14 @@
             throw translate(re);
         }
     }
+    
+    public String toString() {
+        try {
+            return _del.toString();
+        } catch (RuntimeException re) {
+            throw translate(re);
+        }
+    }
 
     /**
      * Delegating iterator that also performs exception translation.

Modified: openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/StateManagerImpl.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/StateManagerImpl.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/StateManagerImpl.java (original)
+++ openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/StateManagerImpl.java Thu Apr 23 16:55:45 2009
@@ -49,6 +49,7 @@
 import org.apache.openjpa.event.LifecycleEvent;
 import org.apache.openjpa.event.LifecycleEventManager;
 import org.apache.openjpa.lib.util.Localizer;
+import org.apache.openjpa.meta.AccessCode;
 import org.apache.openjpa.meta.ClassMetaData;
 import org.apache.openjpa.meta.FetchGroup;
 import org.apache.openjpa.meta.FieldMetaData;
@@ -357,10 +358,10 @@
     public boolean isIntercepting() {
         if (getMetaData().isIntercepting())
             return true;
-        if (getMetaData().getAccessType() != ClassMetaData.ACCESS_FIELD
+        // TODO:JRB Intercepting 
+        if (AccessCode.isProperty(getMetaData().getAccessType())
             && _pc instanceof DynamicPersistenceCapable)
             return true;
-
         return false;
     }
 

Modified: openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/AbstractMetaDataDefaults.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/AbstractMetaDataDefaults.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/AbstractMetaDataDefaults.java (original)
+++ openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/AbstractMetaDataDefaults.java Thu Apr 23 16:55:45 2009
@@ -24,6 +24,7 @@
 import java.lang.reflect.Modifier;
 import java.security.AccessController;
 import java.security.PrivilegedActionException;
+import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.openjpa.enhance.PCRegistry;
@@ -36,9 +37,13 @@
 import org.apache.openjpa.util.UserException;
 
 /**
- * Abstract metadata defaults.
+ * Abstract implementation provides a set of generic utilities for detecting
+ * persistence meta-data of Field/Member. Also provides bean-style properties 
+ * such as access style or identity type to be used by default when such 
+ * information is not derivable from available meta-data.
  *
  * @author Abe White
+ * @author Pinaki Poddar
  */
 public abstract class AbstractMetaDataDefaults
     implements MetaDataDefaults {
@@ -148,24 +153,6 @@
     public void populate(ClassMetaData meta, int access) {
         if (meta.getDescribedType() == Object.class)
             return;
-
-        if (access == ClassMetaData.ACCESS_UNKNOWN) {
-            // we do not allow using both field and method access at
-            // the same time
-            access = getAccessType(meta);
-            if ((access & ClassMetaData.ACCESS_FIELD) != 0
-                && (access & ClassMetaData.ACCESS_PROPERTY) != 0) {
-                List fields = getFieldAccessNames(meta);
-                List props = getPropertyAccessNames(meta);
-                if (fields != null || props != null)
-                    throw new UserException(_loc.get(
-                        "access-field-and-prop-hints",
-                        meta.getDescribedType().getName(), fields, props));
-                else
-                    throw new UserException(_loc.get("access-field-and-prop",
-                        meta.getDescribedType().getName()));
-            }
-        }
         meta.setAccessType(access);
 
         Log log = meta.getRepository().getLog();
@@ -179,32 +166,23 @@
     }
 
     /**
-     * Populate initial field data. Does nothing by default.
-     */
-    protected void populate(FieldMetaData fmd) {
-    }
-
-    /**
      * Populate the given metadata using the {@link PCRegistry}.
      */
     private boolean populateFromPCRegistry(ClassMetaData meta) {
-        Class cls = meta.getDescribedType();
+        Class<?> cls = meta.getDescribedType();
         if (!PCRegistry.isRegistered(cls))
             return false;
         try {
             String[] fieldNames = PCRegistry.getFieldNames(cls);
-            Class[] fieldTypes = PCRegistry.getFieldTypes(cls);
+            Class<?>[] fieldTypes = PCRegistry.getFieldTypes(cls);
             Member member;
             FieldMetaData fmd;
             for (int i = 0; i < fieldNames.length; i ++) {
-                if (meta.getAccessType() == ClassMetaData.ACCESS_FIELD)
-                    member = AccessController.doPrivileged(
-                        J2DoPrivHelper.getDeclaredFieldAction(
-                            cls,fieldNames[i])); 
-                else
-                    member = Reflection.findGetter(meta.getDescribedType(),
-                        fieldNames[i], true);
-                fmd = meta.addDeclaredField(fieldNames[i], fieldTypes[i]);
+            	String property = fieldNames[i];
+                member = getMemberByProperty(meta, property);
+                if (member == null) // transient
+                	continue;
+                fmd = meta.addDeclaredField(property, fieldTypes[i]);
                 fmd.backingMember(member);
                 populate(fmd);
             }
@@ -218,35 +196,30 @@
         }
     }
 
+    protected abstract List<Member> getPersistentMembers(ClassMetaData meta);
     /**
-     * Generate the given metadata using reflection.
+     * Generate the given meta-data using reflection.
+     * Adds FieldMetaData for each persistent state.
+     * Delegate to concrete implementation to determine the persistent
+     * members.
      */
     private void populateFromReflection(ClassMetaData meta) {
-        Member[] members;
+        List<Member> members = getPersistentMembers(meta);
         boolean iface = meta.getDescribedType().isInterface();
-        if (meta.getAccessType() == ClassMetaData.ACCESS_FIELD && !iface)
-            members = (Field[]) AccessController.doPrivileged(
-                J2DoPrivHelper.getDeclaredFieldsAction(
-                    meta.getDescribedType())); 
-        else
-            members = (Method[]) AccessController.doPrivileged(
-                J2DoPrivHelper.getDeclaredMethodsAction(
-                    meta.getDescribedType())); 
-
-        int mods;
+        // If access is mixed or if the default is currently unknown, 
+        // process all fields, otherwise only process members of the class  
+        // level default access type. 
+        
         String name;
         boolean def;
         FieldMetaData fmd;
-        for (int i = 0; i < members.length; i++) {
-            mods = members[i].getModifiers();
-            if (Modifier.isStatic(mods) || Modifier.isFinal(mods))
-                continue;
-
-            name = getFieldName(members[i]);
+        for (int i = 0; i < members.size(); i++) {
+            Member member = members.get(i);
+            name = getFieldName(member);
             if (name == null || isReservedFieldName(name))
                 continue;
 
-            def = isDefaultPersistent(meta, members[i], name);
+            def = isDefaultPersistent(meta, member, name);
             if (!def && _ignore)
                 continue;
 
@@ -254,7 +227,7 @@
             // Object.class because setting backing member will set proper
             // type anyway
             fmd = meta.addDeclaredField(name, Object.class);
-            fmd.backingMember(members[i]);
+            fmd.backingMember(member);
             if (!def) {
                 fmd.setExplicit(true);
                 fmd.setManagement(FieldMetaData.MANAGE_NONE);
@@ -263,17 +236,16 @@
         }
     }
 
-    /**
-     * Return the access type of the given metadata. May be a bitwise
-     * combination of field and property access constants, or ACCESS_UNKNOWN.
-     * Returns ACCESS_FIELD by default.
-     */
-    protected int getAccessType(ClassMetaData meta) {
-        if (meta.getDescribedType().isInterface())
-            return ClassMetaData.ACCESS_PROPERTY;
-        else
-            return ClassMetaData.ACCESS_FIELD;
+    protected void populate(FieldMetaData fmd) {
+    	
     }
+    
+    /**
+     * Called when populating from PCRegistry when only property names are
+     * available.
+     */
+    protected abstract Member getMemberByProperty(ClassMetaData meta, 
+    		String property); 
 
     /**
      * Return the list of fields in <code>meta</code> that use field access,
@@ -285,7 +257,7 @@
      *
      * This implementation returns <code>null</code>.
      */
-    protected List getFieldAccessNames(ClassMetaData meta) {
+    protected List<String> getFieldAccessNames(ClassMetaData meta) {
         return null;
     }
 
@@ -299,7 +271,7 @@
      *
      * This implementation returns <code>null</code>.
      */
-    protected List getPropertyAccessNames(ClassMetaData meta) {
+    protected List<String> getPropertyAccessNames(ClassMetaData meta) {
         return null;
     }
 
@@ -310,22 +282,17 @@
      * field name. For getter methods, returns the minus "get" or "is" with
      * the next letter lower-cased. For other methods, returns null.
      */
-    protected String getFieldName(Member member) {
+    public static String getFieldName(Member member) {
         if (member instanceof Field)
             return member.getName();
-
-        Method meth = (Method) member;
-        if (meth.getReturnType() == void.class
-            || meth.getParameterTypes().length != 0)
-            return null;
-
-        String name = meth.getName();
-        if (name.startsWith("get") && name.length() > 3)
-            name = name.substring(3);
-        else if ((meth.getReturnType() == boolean.class
-            || meth.getReturnType() == Boolean.class)
-            && name.startsWith("is") && name.length() > 2)
-            name = name.substring(2);
+        if (member instanceof Method == false)
+        	return null;
+        Method method = (Method) member;
+        String name = method.getName();
+        if (isNormalGetter(method))
+        	name = name.substring("get".length());
+        else if (isBooleanGetter(method))
+        	name = name.substring("is".length());
         else
             return null;
 
@@ -352,6 +319,15 @@
     protected abstract boolean isDefaultPersistent(ClassMetaData meta,
         Member member, String name);
 
+    /**
+     * Gets the backing member of the given field. If the field has not been
+     * assigned a backing member then get either the instance field or the
+     * getter method depending upon the access style of the defining class.
+     * <br>
+     * Defining class is used instead of declaring class because this method
+     * may be invoked during parsing phase when declaring metadata may not be
+     * available.  
+     */
     public Member getBackingMember(FieldMetaData fmd) {
         if (fmd == null)
             return null;
@@ -360,13 +336,17 @@
             //### (this could be used during parse), so we have to settle for
             //### defining.  could cause problems if maps a superclass field
             //### where the superclass uses a different access type
-            if (fmd.getDefiningMetaData().getAccessType() ==
-                ClassMetaData.ACCESS_FIELD)
-                return AccessController.doPrivileged(
-                    J2DoPrivHelper.getDeclaredFieldAction(
-                        fmd.getDeclaringType(), fmd.getName())); 
-            return Reflection.findGetter(fmd.getDeclaringType(), fmd.getName(),
-                true);
+            if (fmd.getBackingMember() == null) {
+                if ((fmd.getDefiningMetaData().getAccessType() &
+                    ClassMetaData.ACCESS_FIELD) == ClassMetaData.ACCESS_FIELD)
+                    return AccessController.doPrivileged(
+                        J2DoPrivHelper.getDeclaredFieldAction(
+                            fmd.getDeclaringType(), fmd.getName())); 
+                return Reflection.findGetter(fmd.getDeclaringType(), 
+                    fmd.getName(), true);                
+            } else {
+                return fmd.getBackingMember();
+            }
         } catch (OpenJPAException ke) {
             throw ke;
         } catch (Exception e) {
@@ -375,8 +355,10 @@
             throw new InternalException(e);
         }
     }
+    
+
 
-    public Class getUnimplementedExceptionType() {
+    public Class<?> getUnimplementedExceptionType() {
         return UnsupportedOperationException.class;
     }
 
@@ -384,8 +366,70 @@
      * Helper method; returns true if the given class appears to be
      * user-defined.
      */
-    protected static boolean isUserDefined(Class cls) {
+    protected static boolean isUserDefined(Class<?> cls) {
         return cls != null && !cls.getName().startsWith("java.")
             && !cls.getName().startsWith ("javax.");
 	}
+    
+    /**
+     * Affirms if the given method matches the following signature
+     * <code> public T getXXX() </code>
+     * where T is any non-void type.
+     */
+    public static boolean isNormalGetter(Method method) {
+    	String methodName = method.getName();
+    	return startsWith(methodName, "get") 
+    	    && method.getParameterTypes().length == 0
+    	    && method.getReturnType() != void.class;
+    }
+    
+    /**
+     * Affirms if the given method matches the following signature
+     * <code> public boolean isXXX() </code>
+     * <code> public Boolean isXXX() </code>
+     */
+    public static boolean isBooleanGetter(Method method) {
+    	String methodName = method.getName();
+    	return startsWith(methodName, "is") 
+    	    && method.getParameterTypes().length == 0
+    	    && isBoolean(method.getReturnType());
+    }
+
+    /**
+     * Affirms if the given method signature matches bean-style getter method
+     * signature.<br>
+     * <code> public T getXXX()</code> where T is any non-void type.<br>
+     * or<br>
+     * <code> public T isXXX()</code> where T is boolean or Boolean.<br>
+     */
+    public static boolean isGetter(Method method) {
+    	if (method == null)
+    		return false;
+    	int mods = method.getModifiers();
+    	if (!Modifier.isPublic(mods) 
+    	 || Modifier.isNative(mods) 
+    	 || Modifier.isStatic(mods))
+    		return false;
+    	return isNormalGetter(method) || isBooleanGetter(method);
+    }
+    
+    /**
+     * Affirms if the given full string starts with the given head.
+     */
+    public static boolean startsWith(String full, String head) {
+        return full != null && head != null && full.startsWith(head) 
+            && full.length() > head.length();
+    }
+    
+    public static boolean isBoolean(Class<?> cls) {
+    	return cls == boolean.class || cls == Boolean.class;
+    }
+    
+    public static List<String> toNames(List<? extends Member> members) {
+    	List<String> result = new ArrayList<String>();
+    	for (Member m : members)
+    		result.add(m.getName());
+    	return result;
+    }
+
 }

Added: openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/AccessCode.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/AccessCode.java?rev=767973&view=auto
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/AccessCode.java (added)
+++ openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/AccessCode.java Thu Apr 23 16:55:45 2009
@@ -0,0 +1,187 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.openjpa.meta;
+
+/**
+ * Represents access styles for members of a class and field through a 
+ * 5-bit integer.
+ * <br>
+ * 
+ * The bits designate following aspects of access style being used at class
+ * level:<br>
+ * 
+ * <LI>Bit position 0 (UNKNOWN): always 0. All bits as zero represent    
+ *              that no access style has been set. 
+ * <LI>Bit position 1 (FIELD): Field based access is default
+ * <LI>Bit position 2 (PROPERTY): Property based access is default 
+ * <LI>Bit position 3 (EXPLICIT): whether explicit or implicit 
+ *              Explicit access style allows members to use mixed access style,
+ *              implicit access style does not
+ * <LI>Bit position 4 (MIXED): whether all members are using the same  
+ *              access style or not. Can only be set if EXPLICT bit is set.
+ *              If set, then bit 1 or 2 denotes what is the default.   
+ * <br> 
+ * The same bits designate following aspects of access style being used at field
+ * level:<br>
+ * 
+ * <LI>Bit position 0 (UNKNOWN): always 0. All bits as zero represent    
+ *              that no access style has been set. 
+ * <LI>Bit position 1 (FIELD): Field based access is default
+ * <LI>Bit position 2 (PROPERTY): Property based access is default 
+ * <LI>Bit position 3 (EXPLICIT): whether the access is explicit or implicit 
+ * <LI>Bit position 4 (MIXED): not used  
+ * <br>             
+ *             
+ * <p>
+ * Validation Rules for the bits:<br>
+ * <LI>1. Only one of the position 1 (FIELD) and 2 (PROPERTY) can  
+ *    be set. A single bit is not used for legacy reason to cope with the access
+ *    constants used in ClassMetaData which this class now refactors to address
+ *    new behaviors specified in JPA 2.0 specification. 
+ * <LI>2. if position 3 (EXPLICIT) is set then one of position 1 
+ *    (FIELD) and 2 (PROPERTY) must be set.
+ * <LI>3. If position 4 (MIXED) is set then the set position of either 
+ *    FIELD or PROPERTY designates the default access of the
+ *    member.
+ *  
+ * @author Pinaki Poddar
+ * 
+ * @since 2.0.0
+ */
+public class AccessCode {
+	public static int UNKNOWN   = 0;
+	public static int FIELD     = 2 << 0;
+	public static int PROPERTY  = 2 << 1;
+	public static int EXPLICIT  = 2 << 2;
+	public static int MIXED     = 2 << 3;
+	
+	/**
+	 * Affirms if the given code is valid. 
+	 */
+	public static boolean isValidClassCode(int code) {
+		return code%2 == 0 // code must be even
+		 && code >= UNKNOWN 
+		 && code <= (MIXED|EXPLICIT|PROPERTY)
+         && !(isProperty(code) && isField(code)) // both 1 & 2 can not be set 
+		 && (isProperty(code) || isField(code) || !isSet(code))
+		 && ((isMixed(code) && isExplicit(code)) || !isMixed(code));
+	}
+	
+	public static boolean isValidFieldCode(int code) {
+		return code%2 == 0 // code must be even
+		    && code >= UNKNOWN 
+		    && code <= (EXPLICIT|PROPERTY)
+            && !(isProperty(code) && isField(code))
+            && (isProperty(code) || isField(code) || !isSet(code));
+	}
+	
+	/**
+	 * Affirms if the given code designates that members can use both 
+	 * FIELD and PROPERTY based access. 
+	 */
+	public static boolean isMixed(int code) {
+		return (code & MIXED) != 0;
+	}
+	
+	public static boolean isExplicit(int code) {
+		return (code & EXPLICIT) != 0;
+	}
+	
+	public static boolean isProperty(int code) {
+		return (code & PROPERTY) != 0;
+	}
+	
+	public static boolean isField(int code) {
+		return (code & FIELD) != 0;
+	}
+	
+	public static boolean isSet(int code) {
+		return code != UNKNOWN;
+	}
+	
+	/**
+	 * Affirms if the sub class access type is compatible with super class
+	 * access style.
+	 */
+	public static boolean isCompatibleSuper(int subCode, int superCode) {
+		if (isValidClassCode(subCode) && isValidClassCode(superCode)) {
+			if (isExplicit(subCode))
+				return true;
+			return subCode == superCode;
+		}
+		return false;
+	}
+	
+	/**
+     * Merges the field access type with the class access type provided such
+     * merge is valid.
+     * 
+     * @return the modified class access code.
+     * @exception if the given codes are not compatible
+	 */
+	public static int mergeFieldCode(int cCode, int fCode) {
+		if (isValidClassCode(cCode) && isValidFieldCode(fCode)) {
+			if (!isSet(cCode)) {
+				if (!isSet(fCode))
+					return UNKNOWN;
+				return isProperty(fCode) ? PROPERTY : FIELD;
+			}
+			boolean mixed = isProperty(cCode) != isProperty(fCode);
+			if (isExplicit(cCode)) {
+				if (mixed) {
+					return MIXED | cCode;
+				} else {
+					return cCode;
+				}
+			} else { // default, implicit access
+				if (fCode == cCode)
+					return cCode;
+				else
+                    throw new IllegalStateException(toString(cCode) + 
+                        " not compatible to " + toString(fCode));
+			}
+		}
+		return cCode;
+	}
+	
+	public static int getMixedCode(int cCode, int fCode) {
+		if (isMixed(cCode) || (isProperty(cCode) == isProperty(fCode)))
+			return cCode;
+		return MIXED | cCode;
+	}
+	
+	public static int toFieldCode(int code) {
+		if (isProperty(code))
+			return PROPERTY;
+		if (isField(code))
+			return FIELD;
+		return UNKNOWN;
+	}
+	
+	public static String toString(int code) {
+		if (!isValidClassCode(code) || !isValidFieldCode(code))
+			return "invalid code " + code;
+		if (code == UNKNOWN)
+			return "unknown access";
+		return (isMixed(code) ? "mixed " : "") 
+		    + (isExplicit(code) ? "explicit " : "implicit ") 
+		    + (isField(code) ? "field" : "property")
+		    + " access";
+	}
+}

Propchange: openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/AccessCode.java
------------------------------------------------------------------------------
    svn:eol-style = native

Modified: openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/ClassMetaData.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/ClassMetaData.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/ClassMetaData.java (original)
+++ openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/ClassMetaData.java Thu Apr 23 16:55:45 2009
@@ -25,6 +25,7 @@
 import java.security.AccessController;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.BitSet;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
@@ -102,19 +103,26 @@
     /**
      * Unknown access type.
      */
-    public static final int ACCESS_UNKNOWN = 0;
+    public static final int ACCESS_UNKNOWN = AccessCode.UNKNOWN;
 
     /**
      * Persistent attributes are accessed via direct field access. Bit flag.
      */
-    public static final int ACCESS_FIELD = 2 << 0;
+    public static final int ACCESS_FIELD = AccessCode.FIELD;
 
     /**
      * Persistent attributes are accessed via setters and getters. Bit flag.
      */
-    public static final int ACCESS_PROPERTY = 2 << 1;
+    public static final int ACCESS_PROPERTY = AccessCode.PROPERTY;
 
     /**
+     * Persistent class has explicitly defined an access type. 
+     * This will allow the attributes to use mixed access i.e. some field 
+     * may use ACCESS_FIELD while others ACCESS_PROPERTY. 
+     */
+    public static final int ACCESS_EXPLICIT = AccessCode.EXPLICIT;
+    
+    /**
      * Value for using a synthetic detached state field, which is the default.
      */
     public static final String SYNTHETIC = "`syn";
@@ -655,31 +663,55 @@
     }
 
     /**
-     * The access type used by this class. Either {@link #ACCESS_FIELD}
-     * or {@link #ACCESS_PROPERTY}.
+     * The access type used by this class. 
+     * 
      */
     public int getAccessType() {
-        if (_accessType == ACCESS_UNKNOWN) {
-            ClassMetaData sup = getPCSuperclassMetaData();
-            if (sup != null)
-                return sup.getAccessType();
-            else {
-                return getRepository().getMetaDataFactory().
-                    getDefaults().getDefaultAccessType();
-            }
-        }
         return _accessType;
     }
-
+    
     /**
-     * The access type used by this class. Must be either
-     * {@link #ACCESS_FIELD} or {@link #ACCESS_PROPERTY}.
+     * Sets the access type. 
      */
     public void setAccessType(int type) {
+    	if (type == _accessType || type == ACCESS_UNKNOWN)
+    		return;
+    	if (!AccessCode.isValidClassCode(type)) {
+            throw new IllegalArgumentException(_loc.get("access-type-invalid", 
+    		    this, AccessCode.toString(type)).getMessage());
+    	}
+    	if (_accessType != ACCESS_UNKNOWN) { // changing access type
+    	    _repos.getLog().warn(_loc.get("access-type-change", 
+    		    this, AccessCode.toString(type), 
+    		    AccessCode.toString(_accessType)).getMessage());
+    	}
         _accessType = type;
     }
+    
+    /**
+     * Asserts the the given field (which must belong to this receiver)
+     * can be set to the given access code. If the field code is allowed,
+     * it may have the side-effect of changing the access code of this receiver.
+     */
+    void mergeFieldAccess(FieldMetaData fmd, int fCode) {
+    	setAccessType(AccessCode.mergeFieldCode(_accessType, fCode));
+    }
+
+    /**
+     * Affirms if access style is explicitly defined.
+     */    
+    public boolean isExplicitAccess() {
+        return AccessCode.isExplicit(_accessType);
+    }
 
     /**
+     * Affirms if attributes of this class use mixed access types.
+     */    
+    public boolean isMixedAccess() {
+    	return AccessCode.isMixed(_accessType);
+    }
+    
+    /**
      * Whether the type requires extent management.
      */
     public boolean getRequiresExtent() {
@@ -950,6 +982,23 @@
     }
 
     /**
+     * Return all field meta datas that use a specific field access type
+     * Access type must either be FieldMetaData.ACCESS_FIELD or 
+     * FieldMetaData.ACCESS_PROPERTY
+     * @return
+     */
+    public FieldMetaData[] getFields(int accessType) {
+        ArrayList<FieldMetaData> fmds = new ArrayList<FieldMetaData>();
+        FieldMetaData[] allFields = getFields();
+        for (FieldMetaData fmd : allFields) {
+            if (fmd.getAccessType() == accessType) {
+                fmds.add(fmd);
+            }
+        }
+        return fmds.toArray(new FieldMetaData[fmds.size()]);
+    }
+
+    /**
      * Replace superclass fields that we define with our version.
      */
     private void replaceDefinedSuperclassFields(FieldMetaData[] fields,
@@ -2051,12 +2100,12 @@
                     c = fmds[i].getObjectIdFieldType();
             }
 
-            if (meta.getAccessType() == ACCESS_FIELD) {
+            if (fmds[i].getAccessType() == ACCESS_FIELD) {
                 f = Reflection.findField(oid, fmds[i].getName(), false);
                 if (f == null || !f.getType().isAssignableFrom(c))
                     throw new MetaDataException(_loc.get("invalid-id",
                         _type, fmds[i].getName()));
-            } else if (meta.getAccessType() == ACCESS_PROPERTY) {
+            } else if (fmds[i].getAccessType() == ACCESS_PROPERTY) {
                 m = Reflection.findGetter(oid, fmds[i].getName(), false);
                 if (m == null || !m.getReturnType().isAssignableFrom(c))
                     throw new MetaDataException(_loc.get("invalid-id",
@@ -2082,16 +2131,23 @@
 
     /**
      * Assert that this class' access type is allowed.
+     * If no access style is set or an explicit style is set return.
+     * Otherwise check that the superclass access style, if defaulted, is the 
+     * same as that of this receiver. 
      */
     private void validateAccessType() {
-        if (_accessType == ACCESS_UNKNOWN)
+        if (!AccessCode.isSet(_accessType) 
+          || AccessCode.isExplicit(_accessType))
             return;
         ClassMetaData sup = getPCSuperclassMetaData();
-        if (sup != null && sup.getAccessType() != ACCESS_UNKNOWN
-            && sup.getAccessType() != _accessType &&
-            getPCSuperclassMetaData().getFields().length > 0) {
-            throw new MetaDataException(_loc.get("inconsistent-access",
-                this, sup));
+        while (sup != null && sup.isExplicitAccess())
+        	sup = sup.getPCSuperclassMetaData();
+        if (sup != null) {
+        	int supCode = sup.getAccessType();
+        	if (!AccessCode.isCompatibleSuper(_accessType, supCode))
+             throw new MetaDataException(_loc.get("access-inconsistent-inherit",
+             new Object[]{this, AccessCode.toString(_accessType), 
+                          sup, AccessCode.toString(supCode)}).toString());
         }
     }
 
@@ -2512,4 +2568,5 @@
     public void setAbstract(boolean flag) {
         _abstract = flag;
     }
+    
 }

Modified: openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/FieldMetaData.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/FieldMetaData.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/FieldMetaData.java (original)
+++ openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/meta/FieldMetaData.java Thu Apr 23 16:55:45 2009
@@ -143,6 +143,7 @@
     private String _embedFullName = null;
     private int _resMode = MODE_NONE;
     private String _mappedByIdValue = null;
+    private int _access = ClassMetaData.ACCESS_UNKNOWN;
 
     // load/store info
     private String[] _comments = null;
@@ -234,6 +235,8 @@
     /**
      * Supply the backing member object; this allows us to utilize
      * parameterized type information if available.
+     * Sets the access style of this receiver based on whether the given 
+     * member represents a field or getter method.
      */
     public void backingMember(Member member) {
         if (member == null)
@@ -249,10 +252,12 @@
             Field f = (Field) member;
             type = f.getType();
             types = JavaVersions.getParameterizedTypes(f);
+            setAccessType(ClassMetaData.ACCESS_FIELD);
         } else {
             Method meth = (Method) member;
             type = meth.getReturnType();
             types = JavaVersions.getParameterizedTypes(meth);
+            setAccessType(ClassMetaData.ACCESS_PROPERTY);
         }
 
         setDeclaredType(type);
@@ -1856,6 +1861,7 @@
         _generated = field._generated;
         _mappedByIdValue = field._mappedByIdValue;
         _isElementCollection = field._isElementCollection;
+        _access = field._access;
 
         // embedded fields can't be versions
         if (_owner.getEmbeddingMetaData() == null && _version == null)
@@ -2178,4 +2184,28 @@
     public boolean isMappedById() {
     	return (_mappedByIdValue != null);
     }
+    
+    /**
+     * Gets the access type used by this field. If no access type is set for
+     * this field then return the default access type used by the declaring 
+     * class.
+     */
+    public int getAccessType() {
+        if (!AccessCode.isSet(_access)) {
+        	int fCode = AccessCode.toFieldCode(getDeclaringMetaData()
+        			.getAccessType());
+        	return fCode;
+        }
+        return _access;
+    }
+    
+    /**
+     * Sets access type of this field. The access code is verified for validity
+     * as well as against the access style used by the declaring class.
+     */
+    public void setAccessType(int fCode) {
+    	ClassMetaData owner = getDeclaringMetaData();
+    	owner.mergeFieldAccess(this, fCode);
+        _access = fCode;
+    }    
 }

Modified: openjpa/trunk/openjpa-kernel/src/main/resources/org/apache/openjpa/meta/localizer.properties
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/resources/org/apache/openjpa/meta/localizer.properties?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/main/resources/org/apache/openjpa/meta/localizer.properties (original)
+++ openjpa/trunk/openjpa-kernel/src/main/resources/org/apache/openjpa/meta/localizer.properties Thu Apr 23 16:55:45 2009
@@ -15,6 +15,15 @@
 # specific language governing permissions and limitations
 # under the License.  
 
+access-type-change: Access type for "{0}" is changing from "{1}". to "{2}".
+access-type-invalid: Invalid access type "{1}" for "{0}".
+access-inconsistent-field:Field "{0}" can not be set to "{1}" because it is \
+    not consistent with the access type "{2}" used by the owning class.  
+access-inconsistent-inherit: "{1}" for class "{0}" is not consistent with \
+	"{3}" used by its persistent superclass "{2}".  All persistent classes in \
+	an inheritance hierarchy must use a single implicit field or property \
+	based access style or explicitly declare an access style.
+
 meta-reflect: Using reflection for metadata generation.
 gen-meta: Generating default metadata for type "{0}".
 load-cls: Loading metadata for "{0}" under mode "{1}".
@@ -188,9 +197,6 @@
 	key values.
 appid-strategy: Type "{0}" uses application identity; it cannot also declare \
 	a datastore identity strategy.
-inconsistent-access: Type "{0}" and its persistent superclass "{1}" declare \
-	different access types.  All persistent classes in an inheritance \
-	hierarchy must use the same access type (field vs. property access).
 no-seq-name: The metadata for "{0}" sets its value or identity strategy \
 	to sequence, but does not name the sequence to use.
 unsupported-value-strategy: "{0}" declares an unsupported strategy of "{1}" \

Added: openjpa/trunk/openjpa-kernel/src/test/java/org/apache/openjpa/meta/TestAccessCode.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/test/java/org/apache/openjpa/meta/TestAccessCode.java?rev=767973&view=auto
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/test/java/org/apache/openjpa/meta/TestAccessCode.java (added)
+++ openjpa/trunk/openjpa-kernel/src/test/java/org/apache/openjpa/meta/TestAccessCode.java Thu Apr 23 16:55:45 2009
@@ -0,0 +1,202 @@
+package org.apache.openjpa.meta;
+
+
+import junit.framework.TestCase;
+
+/**
+ * Access code is a 5-bit integer.
+ * 
+ * @author Pinaki Poddar
+ *
+ */
+public class TestAccessCode extends TestCase {
+	public static final int UNKNOWN = AccessCode.UNKNOWN;
+	public static final int FIELD = AccessCode.FIELD;
+	public static final int PROPERTY = AccessCode.PROPERTY;
+	public static final int EXPLICIT = AccessCode.EXPLICIT;
+	public static final int MIXED = AccessCode.MIXED;
+	
+	// Valid class codes are 0 2 4 10 12 26 28
+	public void testValidClassCodes() {
+		isValidClassCode(true,   0, UNKNOWN);
+		
+		isValidClassCode(true,   2, FIELD);
+		isValidClassCode(true,   4, PROPERTY);
+		isValidClassCode(false,  6, FIELD | PROPERTY);
+		
+		isValidClassCode(false,  8, EXPLICIT);
+		isValidClassCode(true,  10, EXPLICIT | FIELD);
+		isValidClassCode(true,  12, EXPLICIT | PROPERTY);
+		isValidClassCode(false, 14, EXPLICIT | FIELD | PROPERTY);
+		
+		isValidClassCode(false, 16, MIXED);
+		isValidClassCode(false, 18, MIXED | FIELD);
+		isValidClassCode(false, 20, MIXED | PROPERTY);
+		isValidClassCode(false, 22, MIXED | FIELD | PROPERTY);
+		isValidClassCode(false, 24, MIXED | EXPLICIT | UNKNOWN);
+		isValidClassCode(true,  26, MIXED | EXPLICIT | FIELD);
+		isValidClassCode(true,  28, MIXED | EXPLICIT | PROPERTY);
+		isValidClassCode(false, 30, MIXED | EXPLICIT | FIELD | PROPERTY);
+		
+		// All odd codes are invalid
+		for (int i = 1; i < 32; i += 2)
+			assertFalse("Not a valid Class Code: " + AccessCode.toString(i), 
+				AccessCode.isValidClassCode(i));
+	}
+	
+	// Valid field codes are 0 2 4 10 12
+	public void testValidFieldCodes() {
+		isValidClassCode(true,   0, UNKNOWN);
+		
+		isValidClassCode(true,   2, FIELD);
+		isValidClassCode(true,   4, PROPERTY);
+		isValidClassCode(false,  6, FIELD | PROPERTY);
+		
+		isValidClassCode(false,  8, EXPLICIT);
+		isValidClassCode(true,  10, EXPLICIT | FIELD);
+		isValidClassCode(true,  12, EXPLICIT | PROPERTY);
+		isValidClassCode(false, 14, EXPLICIT | FIELD | PROPERTY);
+		
+		// any even code with MIXED bit set is invalid
+		for (int i = MIXED; i < 32; i += 2) {
+			assertFalse("Not a valid field code: " + AccessCode.toString(i), 
+				AccessCode.isValidFieldCode(i));
+		}
+	}
+
+	public void testProperty() {
+		isProperty(false,  0, UNKNOWN);
+		isProperty(false,  2, FIELD);
+		isProperty(true,   4, PROPERTY);
+		isProperty(false, 10, EXPLICIT | FIELD);
+		isProperty(true,  12, EXPLICIT | PROPERTY);
+		isProperty(false, 26, MIXED | EXPLICIT | FIELD);
+		isProperty(true,  28, MIXED | EXPLICIT | PROPERTY);
+	}
+	
+	public void testField() {
+		isField(false,  0, UNKNOWN);
+		isField(true,   2, FIELD);
+		isField(false,  4, PROPERTY);
+		isField(true,  10, EXPLICIT | FIELD);
+		isField(false, 12, EXPLICIT | PROPERTY);
+		isField(true,  14, EXPLICIT | FIELD | PROPERTY);
+		isField(true, 26, MIXED | EXPLICIT | FIELD);
+		isField(false,  28, MIXED | EXPLICIT | PROPERTY);
+	}
+	
+	public void testExplicit() {
+		isExplicit(false,  0, UNKNOWN);
+		isExplicit(false,  2, FIELD);
+		isExplicit(false,  4, PROPERTY);
+		isExplicit(true, 10, EXPLICIT | FIELD);
+		isExplicit(true, 12, EXPLICIT | PROPERTY);
+		isExplicit(true,  14, EXPLICIT | FIELD | PROPERTY);
+		isExplicit(true, 26, MIXED | EXPLICIT | FIELD);
+		isExplicit(true,  28, MIXED | EXPLICIT | PROPERTY);
+	}
+	
+	public void testMixed() {
+		isMixed(false,  0, UNKNOWN);
+		isMixed(false,  2, FIELD);
+		isMixed(false,  4, PROPERTY);
+		isMixed(false, 10, EXPLICIT | FIELD);
+		isMixed(false, 12, EXPLICIT | PROPERTY);
+		isMixed(false, 14, EXPLICIT | FIELD | PROPERTY);
+		isMixed(true,  26, MIXED | EXPLICIT | FIELD);
+		isMixed(true,  28, MIXED | EXPLICIT | PROPERTY);
+	}
+	
+	public void testCompatibleField() {
+		assertCompatible(EXPLICIT|FIELD, PROPERTY, MIXED|EXPLICIT|FIELD);
+		assertCompatible(EXPLICIT|FIELD, FIELD, EXPLICIT|FIELD);
+		assertCompatible(EXPLICIT|PROPERTY, PROPERTY, EXPLICIT|PROPERTY);
+		assertCompatible(EXPLICIT|PROPERTY, FIELD, MIXED|EXPLICIT|PROPERTY);
+		
+		assertNotCompatible(FIELD, PROPERTY);
+		assertCompatible(FIELD, FIELD, FIELD);
+		assertCompatible(PROPERTY, PROPERTY, PROPERTY);
+		assertNotCompatible(PROPERTY, FIELD);
+	}
+	
+	void assertCompatible(int cCode, int fCode) {
+		assertCompatibility(true, cCode, fCode, cCode);
+	}
+	
+	void assertNotCompatible(int cCode, int fCode) {
+		assertCompatibility(false, cCode, fCode, cCode);
+	}
+	
+	void assertCompatible(int cCode, int fCode, int tCode) {
+		assertCompatibility(true, cCode, fCode, tCode);
+	}
+	
+	void assertCompatibility(boolean flag, int cCode, int fCode, int tCode) {
+		if (flag) {
+			assertEquals(tCode, AccessCode.mergeFieldCode(cCode, fCode));
+		} else {
+			try {
+				AccessCode.mergeFieldCode(cCode, fCode);
+				fail();
+			} catch (IllegalStateException e) {
+				
+			}
+		}
+	}
+	
+	public void testToString() {
+		assertEquals("explicit property access", AccessCode.toString(12));
+	}
+	
+	void isValidClassCode(boolean flag, int v, int valid) {
+		assertEquals(v, valid);
+		if (flag)
+			assertTrue("Invalid Class Code: " + 
+			AccessCode.toString(valid), AccessCode.isValidClassCode(valid));
+		else
+			assertFalse("Wrong Valid Class Code: " + 
+			AccessCode.toString(valid), AccessCode.isValidClassCode(valid));
+	}
+	
+	void isValidFieldCode(boolean flag, int v, int valid) {
+		assertEquals(v, valid);
+		if (flag)
+			assertTrue("Invalid Field Code: " + 
+			AccessCode.toString(valid), AccessCode.isValidFieldCode(valid));
+		else
+			assertFalse("Wrong Field Class Code: " + 
+			AccessCode.toString(valid), AccessCode.isValidFieldCode(valid));
+	}
+	
+	void isProperty(boolean flag, int v, int valid) {
+		assertEquals(v, valid);
+		if (flag)
+			assertTrue(AccessCode.isProperty(valid));
+		else
+			assertFalse(AccessCode.isProperty(valid));
+	}
+	
+	void isField(boolean flag, int v, int valid) {
+		assertEquals(v, valid);
+		if (flag)
+			assertTrue(AccessCode.isField(valid));
+		else
+			assertFalse(AccessCode.isField(valid));
+	}
+	
+	void isExplicit(boolean flag, int v, int valid) {
+		assertEquals(v, valid);
+		if (flag)
+			assertTrue(AccessCode.isExplicit(valid));
+		else
+			assertFalse(AccessCode.isExplicit(valid));
+	}
+	
+	void isMixed(boolean flag, int v, int valid) {
+		assertEquals(v, valid);
+		if (flag)
+			assertTrue(AccessCode.isMixed(valid));
+		else
+			assertFalse(AccessCode.isMixed(valid));
+	}
+}

Propchange: openjpa/trunk/openjpa-kernel/src/test/java/org/apache/openjpa/meta/TestAccessCode.java
------------------------------------------------------------------------------
    svn:eol-style = native

Modified: openjpa/trunk/openjpa-lib/src/main/java/org/apache/openjpa/lib/rop/ListResultList.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-lib/src/main/java/org/apache/openjpa/lib/rop/ListResultList.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-lib/src/main/java/org/apache/openjpa/lib/rop/ListResultList.java (original)
+++ openjpa/trunk/openjpa-lib/src/main/java/org/apache/openjpa/lib/rop/ListResultList.java Thu Apr 23 16:55:45 2009
@@ -120,4 +120,8 @@
     public Object writeReplace() {
         return _list;
     }
+    
+    public String toString() {
+    	return _list.toString();
+    }
 }

Modified: openjpa/trunk/openjpa-lib/src/main/java/org/apache/openjpa/lib/util/J2DoPrivHelper.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-lib/src/main/java/org/apache/openjpa/lib/util/J2DoPrivHelper.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-lib/src/main/java/org/apache/openjpa/lib/util/J2DoPrivHelper.java (original)
+++ openjpa/trunk/openjpa-lib/src/main/java/org/apache/openjpa/lib/util/J2DoPrivHelper.java Thu Apr 23 16:55:45 2009
@@ -1121,4 +1121,24 @@
             }
         };
     }
+    
+    /**
+     * Return a PrivilegedAction object for
+     *   AnnotatedElement.getAnnotation().
+     *
+     * Requires security policy:
+     *   'permission java.lang.RuntimePermission "accessDeclaredMembers";'
+     *
+     * @return Annotation
+     */
+    public static final <T extends Annotation> PrivilegedAction<T> 
+        getAnnotationAction(
+        final AnnotatedElement element, 
+        final Class<T> annotationClazz) {
+        return new PrivilegedAction<T>() {
+            public T run() {
+                return (T) element.getAnnotation(annotationClazz);
+            }
+        };
+    }
 }

Modified: openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/meta/AbstractThing.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/meta/AbstractThing.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/meta/AbstractThing.java (original)
+++ openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/meta/AbstractThing.java Thu Apr 23 16:55:45 2009
@@ -35,7 +35,7 @@
         return id;
     }
 
-    protected void setId(final String id) {
+    public void setId(final String id) {
         this.id = id;
     }
 }

Modified: openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/TestEmbeddableXml.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/TestEmbeddableXml.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/TestEmbeddableXml.java (original)
+++ openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/TestEmbeddableXml.java Thu Apr 23 16:55:45 2009
@@ -27,9 +27,15 @@
 import javax.persistence.EntityTransaction;
 import javax.persistence.Query;
 
+import org.apache.openjpa.persistence.test.AllowFailure;
 import org.apache.openjpa.persistence.test.SingleEMFTestCase;
 
-
+@AllowFailure(message=
+	"Multi-level embedding" + 
+	"JPA 2.0 Access Style " + 
+    "XML Metadata "         + 
+    "Attribute Override "   +  
+    " is not yet supported")
 public class TestEmbeddableXml extends SingleEMFTestCase {
    
     public int numEmbeddables = 1;

Modified: openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/attrOverrides/TestAttrOverridesXml.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/attrOverrides/TestAttrOverridesXml.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/attrOverrides/TestAttrOverridesXml.java (original)
+++ openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/attrOverrides/TestAttrOverridesXml.java Thu Apr 23 16:55:45 2009
@@ -27,8 +27,15 @@
 
 import junit.framework.Assert;
 
+import org.apache.openjpa.persistence.test.AllowFailure;
 import org.apache.openjpa.persistence.test.SQLListenerTestCase;
 
+@AllowFailure(message=
+	"Multi-level embedding" + 
+	"JPA 2.0 Access Style " + 
+    "XML Metadata "         + 
+    "Attribute Override "   +  
+    " is not yet supported")
 public class TestAttrOverridesXml extends SQLListenerTestCase {
    
     public int numPersons = 4;

Modified: openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/inheritance/TestDefaultInheritanceStrategy.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/inheritance/TestDefaultInheritanceStrategy.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/inheritance/TestDefaultInheritanceStrategy.java (original)
+++ openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/inheritance/TestDefaultInheritanceStrategy.java Thu Apr 23 16:55:45 2009
@@ -146,12 +146,12 @@
         // Add two entities, each extending the same mapped interface
         em.getTransaction().begin();
         SubclassC sc = new SubclassC();
-        sc.setId(0);
+        sc.setId(1010);
         sc.setName("SubclassCMappedSuperName");
         sc.setClassCName("SubclassCName");
 
         SubclassD sd = new SubclassD();
-        sd.setId(1);
+        sd.setId(2020);
         sd.setName("SubclassDMappedSuperName");
         sd.setClassDName("SubclassDName");
         
@@ -160,6 +160,9 @@
         em.getTransaction().commit();
         
         em.clear();
+        
+        SubclassD sd2 =em.find(SubclassD.class, 2020);
+        assertEquals(2020, sd2.getId());
                 
         // The subclasses should not contain a discriminator column
         verifyNoDypeColumn(em, "SubclassC");
@@ -168,10 +171,10 @@
         // Query the subclass entities.  Make sure the counts are correct and
         // the result is castable to the mapped sc.
         verifyInheritanceQueryResult(em, "SubclassC", 
-                classArray(SubclassC.class, MappedSuper.class), 0);
+                classArray(SubclassC.class, MappedSuper.class), 1010);
 
         verifyInheritanceQueryResult(em, "SubclassD", 
-                classArray(SubclassD.class, MappedSuper.class), 1);
+                classArray(SubclassD.class, MappedSuper.class), 2020);
                 
         em.close();
     }
@@ -648,7 +651,8 @@
      */
     private void verifyInheritanceQueryResult(EntityManager em, String entity,
         Class[] types, int... expectedValues) {
-        Query qry = em.createQuery("SELECT e FROM " + entity + " e");
+    	String jpql = "SELECT e FROM " + entity + " e";
+        Query qry = em.createQuery(jpql);
         List col = qry.getResultList();
         assertTrue("Query should return " + expectedValues.length + " entities",
             col.size() == expectedValues.length);
@@ -673,7 +677,7 @@
                 if (expectedValues[j] == id)                   
                     count++;
         }
-        assertTrue("Returned expected entities", 
+        assertTrue("Returned unexpected entities " + col + " for " + jpql, 
                 count == expectedValues.length);
     }    
     

Modified: openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/AnnotationPersistenceMetaDataParser.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/AnnotationPersistenceMetaDataParser.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/AnnotationPersistenceMetaDataParser.java (original)
+++ openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/AnnotationPersistenceMetaDataParser.java Thu Apr 23 16:55:45 2009
@@ -19,6 +19,7 @@
 package org.apache.openjpa.persistence;
 
 import static javax.persistence.GenerationType.AUTO;
+import static org.apache.openjpa.persistence.MetaDataTag.ACCESS;
 import static org.apache.openjpa.persistence.MetaDataTag.DATASTORE_ID;
 import static org.apache.openjpa.persistence.MetaDataTag.DATA_CACHE;
 import static org.apache.openjpa.persistence.MetaDataTag.DEPENDENT;
@@ -102,6 +103,9 @@
 import javax.persistence.FlushModeType;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
+
+import javax.persistence.Access;
+import javax.persistence.AccessType;
 import javax.persistence.Id;
 import javax.persistence.IdClass;
 import javax.persistence.Lob;
@@ -139,6 +143,7 @@
 import org.apache.openjpa.kernel.jpql.JPQLParser;
 import org.apache.openjpa.lib.conf.Configurations;
 import org.apache.openjpa.lib.log.Log;
+import org.apache.openjpa.lib.meta.SourceTracker;
 import org.apache.openjpa.lib.util.J2DoPrivHelper;
 import org.apache.openjpa.lib.util.Localizer;
 import org.apache.openjpa.meta.ClassMetaData;
@@ -182,6 +187,7 @@
         new HashMap<Class, MetaDataTag>();
 
     static {
+        _tags.put(Access.class, ACCESS);
         _tags.put(EmbeddedId.class, EMBEDDED_ID);
         _tags.put(EntityListeners.class, ENTITY_LISTENERS);
         _tags.put(ExcludeDefaultListeners.class, EXCLUDE_DEFAULT_LISTENERS);
@@ -634,6 +640,10 @@
                 case REPLICATED:
                 	meta.setReplicated(true);
                 	break;
+                case ACCESS:
+                    if (isMetaDataMode())
+                        parseAccess(meta, (Access)anno);
+                    break;
                 default:
                     throw new UnsupportedException(_loc.get("unsupported", _cls,
                         anno.toString()));
@@ -682,6 +692,17 @@
     }
 
     /**
+     * Set the explicit access type, if specified.
+     */    
+    private void parseAccess(ClassMetaData meta, Access access) {
+    	if (access != null) {
+    		meta.setAccessType(ClassMetaData.ACCESS_EXPLICIT 
+            | (access.value() == AccessType.FIELD ? 
+            	ClassMetaData.ACCESS_FIELD : ClassMetaData.ACCESS_PROPERTY));
+    	}
+    }
+
+    /**
      * Parse class mapping annotations.
      */
     protected void parseClassMappingAnnotations(ClassMetaData meta) {
@@ -711,15 +732,32 @@
         }
 
         if (meta == null) {
-            meta = getRepository().addMetaData(_cls);
+            meta = getRepository().addMetaData(_cls, getAccessCode(_cls));
             meta.setEnvClassLoader(_envLoader);
             meta.setSourceMode(MODE_NONE);
-            meta.setSource(getSourceFile(), meta.SRC_ANNOTATIONS);
+            meta.setSource(getSourceFile(), SourceTracker.SRC_ANNOTATIONS);
         }
         return meta;
     }
 
     /**
+     * Gets the explicit access for the class, if any.
+     * Explicit access type specification does not affect the access type of 
+     * other entity classes or mapped super classes in the entity hierarchy.
+     */
+    private int getAccessCode(Class<?> cls) {
+        int accessCode = ClassMetaData.ACCESS_UNKNOWN;
+        Access access = AccessController.doPrivileged(
+            J2DoPrivHelper.getAnnotationAction(cls, Access.class));
+        if (access != null) {
+            accessCode |=  ClassMetaData.ACCESS_EXPLICIT | 
+                (access.value() == AccessType.FIELD ? 
+                ClassMetaData.ACCESS_FIELD : ClassMetaData.ACCESS_PROPERTY);
+        }
+        return accessCode;
+    }
+
+    /**
      * Determine the source file we're parsing.
      */
     protected File getSourceFile() {
@@ -1100,6 +1138,9 @@
             }
 
             switch (tag) {
+                case ACCESS:
+                    parseAccess(fmd, (Access)anno);
+                    break;
                 case FLUSH_MODE:
                     if (isMetaDataMode())
                         warnFlushMode(fmd);
@@ -1396,6 +1437,7 @@
 
         fmd.setInDefaultFetchGroup(true);
         fmd.setEmbedded(true);
+        
         if (fmd.getEmbeddedMetaData() == null)
             fmd.addEmbeddedMetaData();
     }
@@ -1527,8 +1569,9 @@
                 throw new MetaDataException(_loc.get("bad-meta-anno", fmd,
                     "Persistent(embedded=true)"));
             fmd.setEmbedded(true);
-            if (fmd.getEmbeddedMetaData() == null)
+            if (fmd.getEmbeddedMetaData() == null) {
                 fmd.addEmbeddedMetaData();
+            }
         }
     }
 
@@ -1553,8 +1596,9 @@
                 throw new MetaDataException(_loc.get("bad-meta-anno", fmd,
                     "PersistentCollection(embeddedElement=true)"));
             fmd.getElement().setEmbedded(true);
-            if (fmd.getElement().getEmbeddedMetaData() == null)
+            if (fmd.getElement().getEmbeddedMetaData() == null) {
                 fmd.getElement().addEmbeddedMetaData();
+            }
         }
     }
 
@@ -1603,8 +1647,9 @@
                 throw new MetaDataException(_loc.get("bad-meta-anno", fmd,
                     "PersistentMap(embeddedKey=true)"));
             fmd.getKey().setEmbedded(true);
-            if (fmd.getKey().getEmbeddedMetaData() == null)
+            if (fmd.getKey().getEmbeddedMetaData() == null) {
                 fmd.getKey().addEmbeddedMetaData();
+            }
         }
         if (anno.elementEmbedded()) {
             if (!JavaTypes.maybePC(fmd.getElement()))
@@ -1788,6 +1833,17 @@
                 meta.setSourceMode(MODE_QUERY);
         }
     }
+    
+    /**
+     * Set the explicit access type, if specified.
+     */    
+    private void parseAccess(FieldMetaData meta, Access access) {
+    	if (access != null) {
+    		meta.setAccessType(ClassMetaData.ACCESS_EXPLICIT 
+            | (access.value() == AccessType.FIELD ? 
+            	ClassMetaData.ACCESS_FIELD : ClassMetaData.ACCESS_PROPERTY));
+    	}
+    }
 
     private static class MethodKey {
 

Modified: openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/MetaDataTag.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/MetaDataTag.java?rev=767973&r1=767972&r2=767973&view=diff
==============================================================================
--- openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/MetaDataTag.java (original)
+++ openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/MetaDataTag.java Thu Apr 23 16:55:45 2009
@@ -31,6 +31,7 @@
  */
 public enum MetaDataTag {
     // sorted by XML order
+    ACCESS,
     MAPPED_SUPERCLASS,
     ENTITY,
     EMBEDDABLE,



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