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From aadamc...@apache.org
Subject svn commit: r454271 - in /incubator/cayenne/sandbox/asm-enhancer: ./ .settings/ main/ main/src/ main/src/java/ main/src/java/org/ main/src/java/org/apache/ main/src/java/org/apache/cayenne/ main/src/java/org/apache/cayenne/jpa/ main/src/java/org/apache...
Date Mon, 09 Oct 2006 04:07:25 GMT
Author: aadamchik
Date: Sun Oct  8 21:07:23 2006
New Revision: 454271

URL: http://svn.apache.org/viewvc?view=rev&rev=454271
Log:
Prototyping ASM enahncer. Cglib is a mess, we need something that works and at least minimally documented.

Added:
    incubator/cayenne/sandbox/asm-enhancer/.classpath
    incubator/cayenne/sandbox/asm-enhancer/.project
    incubator/cayenne/sandbox/asm-enhancer/.settings/
    incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.jdt.core.prefs
    incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.jdt.ui.prefs
    incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.ltk.core.refactoring.prefs
    incubator/cayenne/sandbox/asm-enhancer/main/
    incubator/cayenne/sandbox/asm-enhancer/main/src/
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/AsmEnhancer.java
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/EnhancerUtil.java
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistenceDelegate.java
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentClassVisitor.java
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentGetterVisitor.java
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentSetterVisitor.java
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PojoAdapter.java
    incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PojoAdapterFactory.java
    incubator/cayenne/sandbox/asm-enhancer/main/test/
    incubator/cayenne/sandbox/asm-enhancer/main/test/java/
    incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/
    incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/
    incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/
    incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/
    incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/
    incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/AsmEnhancerTest.java
    incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/EnhancingClassLoader.java
    incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockEnhancedPojo.java
    incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockPersistenceDelegate.java
    incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockPojo1.java
    incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/PojoAdapterFactoryTest.java
    incubator/cayenne/sandbox/asm-enhancer/pom.xml

Added: incubator/cayenne/sandbox/asm-enhancer/.classpath
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/.classpath?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/.classpath (added)
+++ incubator/cayenne/sandbox/asm-enhancer/.classpath Sun Oct  8 21:07:23 2006
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="main/src/java"/>
+	<classpathentry kind="src" path="main/test/java"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

Added: incubator/cayenne/sandbox/asm-enhancer/.project
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/.project?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/.project (added)
+++ incubator/cayenne/sandbox/asm-enhancer/.project Sun Oct  8 21:07:23 2006
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>asm-enhancer</name>
+	<comment>ASM Enhancer</comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.maven.ide.eclipse.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.maven.ide.eclipse.maven2Nature</nature>
+	</natures>
+</projectDescription>

Added: incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.jdt.core.prefs
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.jdt.core.prefs?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.jdt.core.prefs (added)
+++ incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.jdt.core.prefs Sun Oct  8 21:07:23 2006
@@ -0,0 +1,303 @@
+#Sun Jul 23 18:13:04 EDT 2006
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.5
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.5
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.annotationSuperInterface=warning
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.autoboxing=ignore
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+org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode=disabled
+org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
+org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
+org.eclipse.jdt.core.compiler.problem.emptyStatement=ignore
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.fieldHiding=ignore
+org.eclipse.jdt.core.compiler.problem.finalParameterBound=warning
+org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally=warning
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=error
+org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock=warning
+org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod=warning
+org.eclipse.jdt.core.compiler.problem.incompleteEnumSwitch=ignore
+org.eclipse.jdt.core.compiler.problem.indirectStaticAccess=ignore
+org.eclipse.jdt.core.compiler.problem.localVariableHiding=ignore
+org.eclipse.jdt.core.compiler.problem.methodWithConstructorName=warning
+org.eclipse.jdt.core.compiler.problem.missingDeprecatedAnnotation=ignore
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotation=ignore
+org.eclipse.jdt.core.compiler.problem.missingSerialVersion=ignore
+org.eclipse.jdt.core.compiler.problem.noEffectAssignment=warning
+org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=warning
+org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=ignore
+org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=warning
+org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=ignore
+org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
+org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
+org.eclipse.jdt.core.compiler.problem.suppressWarnings=enabled
+org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
+org.eclipse.jdt.core.compiler.problem.typeParameterHiding=warning
+org.eclipse.jdt.core.compiler.problem.uncheckedTypeOperation=ignore
+org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock=ignore
+org.eclipse.jdt.core.compiler.problem.unhandledWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.unnecessaryElse=ignore
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+org.eclipse.jdt.core.compiler.problem.unusedParameter=ignore
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+org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
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+org.eclipse.jdt.core.compiler.source=1.5
+org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
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+org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_cast=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_catch=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_constructor_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_enum_constant=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_for=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_if=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_method_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_method_invocation=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_parenthesized_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_switch=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_synchronized=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_while=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_colon_in_assert=insert
+org.eclipse.jdt.core.formatter.insert_space_before_colon_in_case=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_colon_in_conditional=insert
+org.eclipse.jdt.core.formatter.insert_space_before_colon_in_default=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_colon_in_for=insert
+org.eclipse.jdt.core.formatter.insert_space_before_colon_in_labeled_statement=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_allocation_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_annotation=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_array_initializer=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_constructor_declaration_parameters=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_constructor_declaration_throws=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_enum_constant_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_enum_declarations=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_explicitconstructorcall_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_for_increments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_for_inits=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_method_declaration_parameters=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_method_declaration_throws=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_method_invocation_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_multiple_field_declarations=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_multiple_local_declarations=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_parameterized_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_superinterfaces=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_type_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_type_parameters=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_ellipsis=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_parameterized_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_parameters=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_annotation_type_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_anonymous_type_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_array_initializer=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_block=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_constructor_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_enum_constant=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_enum_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_method_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_switch=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_type_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_allocation_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_annotation=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_annotation_type_member_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_catch=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_constructor_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_enum_constant=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_for=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_if=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_invocation=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_parenthesized_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_switch=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_synchronized=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_while=insert
+org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_return=insert
+org.eclipse.jdt.core.formatter.insert_space_before_postfix_operator=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_prefix_operator=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_question_in_conditional=insert
+org.eclipse.jdt.core.formatter.insert_space_before_question_in_wildcard=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_semicolon=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_for=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_unary_operator=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_brackets_in_array_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_braces_in_array_initializer=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_brackets_in_array_allocation_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_annotation_type_member_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_constructor_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_enum_constant=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_invocation=do not insert
+org.eclipse.jdt.core.formatter.keep_else_statement_on_same_line=false
+org.eclipse.jdt.core.formatter.keep_empty_array_initializer_on_one_line=false
+org.eclipse.jdt.core.formatter.keep_imple_if_on_one_line=false
+org.eclipse.jdt.core.formatter.keep_then_statement_on_same_line=false
+org.eclipse.jdt.core.formatter.lineSplit=90
+org.eclipse.jdt.core.formatter.number_of_blank_lines_at_beginning_of_method_body=0
+org.eclipse.jdt.core.formatter.number_of_empty_lines_to_preserve=1
+org.eclipse.jdt.core.formatter.put_empty_statement_on_new_line=true
+org.eclipse.jdt.core.formatter.tabulation.char=space
+org.eclipse.jdt.core.formatter.tabulation.size=4
+org.eclipse.jdt.core.formatter.use_tabs_only_for_leading_indentations=false

Added: incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.jdt.ui.prefs
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.jdt.ui.prefs?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.jdt.ui.prefs (added)
+++ incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.jdt.ui.prefs Sun Oct  8 21:07:23 2006
@@ -0,0 +1,8 @@
+#Sun Jul 23 18:13:03 EDT 2006
+eclipse.preferences.version=1
+formatter_settings_version=10
+internal.default.compliance=default
+org.eclipse.jdt.ui.ignorelowercasenames=true
+org.eclipse.jdt.ui.importorder=java;javax;org;com;
+org.eclipse.jdt.ui.ondemandthreshold=99
+org.eclipse.jdt.ui.text.custom_code_templates=<?xml version\="1.0" encoding\="UTF-8"?><templates><template autoinsert\="true" context\="gettercomment_context" deleted\="false" description\="Comment for getter method" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.gettercomment" name\="gettercomment"></template><template autoinsert\="true" context\="settercomment_context" deleted\="false" description\="Comment for setter method" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.settercomment" name\="settercomment"></template><template autoinsert\="true" context\="constructorcomment_context" deleted\="false" description\="Comment for created constructors" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.constructorcomment" name\="constructorcomment"></template><template autoinsert\="true" context\="filecomment_context" deleted\="false" description\="Comment for created Java files" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.filecom
 ment" name\="filecomment">/**\n * \n */</template><template autoinsert\="true" context\="typecomment_context" deleted\="false" description\="Comment for created types" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.typecomment" name\="typecomment">/**\n * @author \n */</template><template autoinsert\="true" context\="fieldcomment_context" deleted\="false" description\="Comment for fields" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.fieldcomment" name\="fieldcomment"></template><template autoinsert\="true" context\="methodcomment_context" deleted\="false" description\="Comment for non-overriding methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.methodcomment" name\="methodcomment"></template><template autoinsert\="true" context\="overridecomment_context" deleted\="false" description\="Comment for overriding methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.overridecomment" name\="overridecomment"></template><templ
 ate autoinsert\="false" context\="newtype_context" deleted\="false" description\="Newly created files" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.newtype" name\="newtype">/*****************************************************************\n *   Licensed to the Apache Software Foundation (ASF) under one\n *  or more contributor license agreements.  See the NOTICE file\n *  distributed with this work for additional information\n *  regarding copyright ownership.  The ASF licenses this file\n *  to you under the Apache License, Version 2.0 (the\n *  "License"); you may not use this file except in compliance\n *  with the License.  You may obtain a copy of the License at\n *\n *    http\://www.apache.org/licenses/LICENSE-2.0\n *\n *  Unless required by applicable law or agreed to in writing,\n *  software distributed under the License is distributed on an\n *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n *  KIND, either express or implied.  See the Lic
 ense for the\n *  specific language governing permissions and limitations\n *  under the License.\n ****************************************************************/\n${package_declaration}\n\n${typecomment}\n${type_declaration}</template><template autoinsert\="true" context\="catchblock_context" deleted\="false" description\="Code in new catch blocks" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.catchblock" name\="catchblock">${exception_var}.printStackTrace();</template><template autoinsert\="true" context\="methodbody_context" deleted\="false" description\="Code in created method stubs" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.methodbody" name\="methodbody">${body_statement}</template><template autoinsert\="true" context\="constructorbody_context" deleted\="false" description\="Code in created constructor stubs" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.constructorbody" name\="constructorbody">${body_statement}</template><t
 emplate autoinsert\="true" context\="getterbody_context" deleted\="false" description\="Code in created getters" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.getterbody" name\="getterbody">return ${field};</template><template autoinsert\="true" context\="setterbody_context" deleted\="false" description\="Code in created setters" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.setterbody" name\="setterbody">${field} \= ${param};</template><template autoinsert\="true" context\="delegatecomment_context" deleted\="false" description\="Comment for delegate methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.delegatecomment" name\="delegatecomment">/**\n * ${tags}\n * ${see_to_target}\n */</template><template autoinsert\="true" context\="classbody_context" deleted\="false" description\="Code in new class type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.classbody" name\="classbody">\n</template><template autoinsert\="t
 rue" context\="interfacebody_context" deleted\="false" description\="Code in new interface type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.interfacebody" name\="interfacebody">\n</template><template autoinsert\="true" context\="enumbody_context" deleted\="false" description\="Code in new enum type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.enumbody" name\="enumbody">\n</template><template autoinsert\="true" context\="annotationbody_context" deleted\="false" description\="Code in new annotation type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.annotationbody" name\="annotationbody">\n</template></templates>

Added: incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.ltk.core.refactoring.prefs
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.ltk.core.refactoring.prefs?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.ltk.core.refactoring.prefs (added)
+++ incubator/cayenne/sandbox/asm-enhancer/.settings/org.eclipse.ltk.core.refactoring.prefs Sun Oct  8 21:07:23 2006
@@ -0,0 +1,3 @@
+#Sun Oct 08 21:44:07 EDT 2006
+eclipse.preferences.version=1
+org.eclipse.ltk.core.refactoring.enable.project.refactoring.history=false

Added: incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/AsmEnhancer.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/AsmEnhancer.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/AsmEnhancer.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/AsmEnhancer.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,51 @@
+package org.apache.cayenne.jpa.enhancer;
+
+import java.lang.instrument.ClassFileTransformer;
+import java.lang.instrument.IllegalClassFormatException;
+import java.security.ProtectionDomain;
+import java.util.Collection;
+import java.util.Map;
+
+import org.objectweb.asm.ClassReader;
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.ClassWriter;
+
+public class AsmEnhancer implements ClassFileTransformer {
+
+	protected Map<String, Collection<String>> persistentPropertiesByClass;
+
+	public AsmEnhancer(
+			Map<String, Collection<String>> persistentPropertiesByClass) {
+		this.persistentPropertiesByClass = persistentPropertiesByClass;
+	}
+
+	public byte[] transform(ClassLoader loader, String className,
+			Class<?> classBeingRedefined, ProtectionDomain protectionDomain,
+			byte[] classfileBuffer) throws IllegalClassFormatException {
+
+		ClassReader reader = new ClassReader(classfileBuffer);
+		ClassWriter writer = new ClassWriter(reader, true);
+
+		ClassVisitor visitor = createVisitor(className, writer);
+		if (visitor == null) {
+			// per JPA spec if no transformation occured, we must return null
+			return null;
+		}
+
+		reader.accept(visitor, true);
+		return writer.toByteArray();
+	}
+
+	/**
+	 * Builds a chain of ASM visitors.
+	 */
+	protected ClassVisitor createVisitor(String className, ClassWriter writer) {
+		Collection<String> properties = persistentPropertiesByClass
+				.get(className);
+		if (properties == null || properties.isEmpty()) {
+			return null;
+		}
+
+		return new PersistentClassVisitor(writer, properties);
+	}
+}

Added: incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/EnhancerUtil.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/EnhancerUtil.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/EnhancerUtil.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/EnhancerUtil.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,32 @@
+package org.apache.cayenne.jpa.enhancer;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+// duplicated from JpaClassDescriptor.
+class EnhancerUtil {
+	private static final Pattern GETTER_PATTERN = Pattern
+			.compile("^(is|get)([A-Z])(.*)$");
+
+	private static final Pattern SETTER_PATTERN = Pattern
+			.compile("^set([A-Z])(.*)$");
+
+	static String propertyNameForGetter(String getterName) {
+		Matcher getMatch = GETTER_PATTERN.matcher(getterName);
+		if (getMatch.matches()) {
+			return getMatch.group(2).toLowerCase() + getMatch.group(3);
+		}
+
+		return null;
+	}
+
+	static String propertyNameForSetter(String setterName) {
+		Matcher setMatch = SETTER_PATTERN.matcher(setterName);
+
+		if (setMatch.matches()) {
+			return setMatch.group(1).toLowerCase() + setMatch.group(2);
+		}
+
+		return null;
+	}
+}

Added: incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistenceDelegate.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistenceDelegate.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistenceDelegate.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistenceDelegate.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,32 @@
+/*****************************************************************
+ *   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.cayenne.jpa.enhancer;
+
+/**
+ * An interface injected by the framework in the persisted objects that provides
+ * callback methods for lazy faulting and change tracking.
+ * 
+ * @author Andrus Adamchik
+ */
+public interface PersistenceDelegate {
+
+	void prepareForAccess(String property);
+
+	void prepareForUpdate(String property);
+}

Added: incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentClassVisitor.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentClassVisitor.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentClassVisitor.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentClassVisitor.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,69 @@
+package org.apache.cayenne.jpa.enhancer;
+
+import java.util.Collection;
+
+import org.objectweb.asm.ClassAdapter;
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.FieldVisitor;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+
+class PersistentClassVisitor extends ClassAdapter {
+
+	private String className;
+
+	private Collection<String> enhancedProperties;
+
+	PersistentClassVisitor(ClassVisitor visitor,
+			Collection<String> enhancedProperties) {
+		super(visitor);
+		this.enhancedProperties = enhancedProperties;
+	}
+
+	/**
+	 * Handles injection of additional fields and Persistent interface
+	 * properties.
+	 */
+	@Override
+	public void visit(int version, int access, String name, String signature,
+			String superName, String[] interfaces) {
+
+		this.className = name;
+
+		super.visit(version, access, name, signature, superName, interfaces);
+
+		// inject persistence delegate field.
+		FieldVisitor fv = visitField(
+				Opcodes.ACC_PUBLIC + Opcodes.ACC_TRANSIENT,
+				PojoAdapterFactory.PERSISTENCE_DELEGATE_FIELD,
+				"Lorg/apache/cayenne/jpa/enhancer/PersistenceDelegate;", null,
+				null);
+		fv.visitEnd();
+	}
+
+	/**
+	 * Handles getter and setter enhancements.
+	 */
+	@Override
+	public MethodVisitor visitMethod(int access, String name, String desc,
+			String signature, String[] exceptions) {
+
+		MethodVisitor mv = super.visitMethod(access, name, desc, signature,
+				exceptions);
+
+		// TODO: andrus, 10/8/2006 - check method sig for real... just checking
+		// the name is not enough
+
+		String getProperty = EnhancerUtil.propertyNameForGetter(name);
+		if (getProperty != null && enhancedProperties.contains(getProperty)) {
+			return new PersistentGetterVisitor(mv, className, getProperty);
+		}
+
+		String setProperty = EnhancerUtil.propertyNameForSetter(name);
+		if (setProperty != null && enhancedProperties.contains(setProperty)) {
+			return new PersistentSetterVisitor(mv, className, setProperty);
+		}
+
+		return mv;
+	}
+}

Added: incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentGetterVisitor.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentGetterVisitor.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentGetterVisitor.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentGetterVisitor.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,40 @@
+package org.apache.cayenne.jpa.enhancer;
+
+import org.objectweb.asm.Label;
+import org.objectweb.asm.MethodAdapter;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+
+class PersistentGetterVisitor extends MethodAdapter {
+
+	private String className;
+	private String propertyName;
+
+	PersistentGetterVisitor(MethodVisitor mv, String className,
+			String propertyName) {
+		super(mv);
+		this.className = className;
+		this.propertyName = propertyName;
+	}
+
+	@Override
+	public void visitCode() {
+		super.visitCode();
+
+		mv.visitVarInsn(Opcodes.ALOAD, 0);
+		mv.visitFieldInsn(Opcodes.GETFIELD, className,
+				"$cayenne_persistenceDelegate",
+				"Lorg/apache/cayenne/jpa/enhancer/PersistenceDelegate;");
+		Label l1 = new Label();
+		mv.visitJumpInsn(Opcodes.IFNULL, l1);
+		mv.visitVarInsn(Opcodes.ALOAD, 0);
+		mv.visitFieldInsn(Opcodes.GETFIELD, className,
+				PojoAdapterFactory.PERSISTENCE_DELEGATE_FIELD,
+				"Lorg/apache/cayenne/jpa/enhancer/PersistenceDelegate;");
+		mv.visitLdcInsn(propertyName);
+		mv.visitMethodInsn(Opcodes.INVOKEINTERFACE,
+				"org/apache/cayenne/jpa/enhancer/PersistenceDelegate",
+				"prepareForAccess", "(Ljava/lang/String;)V");
+		mv.visitLabel(l1);
+	}
+}

Added: incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentSetterVisitor.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentSetterVisitor.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentSetterVisitor.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PersistentSetterVisitor.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,41 @@
+package org.apache.cayenne.jpa.enhancer;
+
+import org.objectweb.asm.Label;
+import org.objectweb.asm.MethodAdapter;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+
+class PersistentSetterVisitor extends MethodAdapter {
+
+	private String className;
+
+	private String propertyName;
+
+	PersistentSetterVisitor(MethodVisitor mv, String className,
+			String propertyName) {
+		super(mv);
+		this.className = className;
+		this.propertyName = propertyName;
+	}
+
+	@Override
+	public void visitCode() {
+		super.visitCode();
+
+		mv.visitVarInsn(Opcodes.ALOAD, 0);
+		mv.visitFieldInsn(Opcodes.GETFIELD, className,
+				PojoAdapterFactory.PERSISTENCE_DELEGATE_FIELD,
+				"Lorg/apache/cayenne/jpa/enhancer/PersistenceDelegate;");
+		Label l1 = new Label();
+		mv.visitJumpInsn(Opcodes.IFNULL, l1);
+		mv.visitVarInsn(Opcodes.ALOAD, 0);
+		mv.visitFieldInsn(Opcodes.GETFIELD, className,
+				PojoAdapterFactory.PERSISTENCE_DELEGATE_FIELD,
+				"Lorg/apache/cayenne/jpa/enhancer/PersistenceDelegate;");
+		mv.visitLdcInsn(propertyName);
+		mv.visitMethodInsn(Opcodes.INVOKEINTERFACE,
+				"org/apache/cayenne/jpa/enhancer/PersistenceDelegate",
+				"prepareForUpdate", "(Ljava/lang/String;)V");
+		mv.visitLabel(l1);
+	}
+}

Added: incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PojoAdapter.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PojoAdapter.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PojoAdapter.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PojoAdapter.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,75 @@
+/*****************************************************************
+ *   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.cayenne.jpa.enhancer;
+
+import org.apache.cayenne.ObjectContext;
+import org.apache.cayenne.ObjectId;
+import org.apache.cayenne.Persistent;
+
+/**
+ * An adapter for a POJO that makes POJO's accessible to Cayenne.
+ * 
+ * @author Andrus Adamchik
+ */
+public class PojoAdapter implements PersistenceDelegate, Persistent {
+
+	protected Object object;
+	protected ObjectContext objectContext;
+	protected int persistenceState;
+	protected ObjectId objectId;
+
+	public PojoAdapter(Object object) {
+		this.object = object;
+	}
+
+	public Object getObject() {
+		return object;
+	}
+
+	public void prepareForAccess(String property) {
+		objectContext.prepareForAccess(this, property);
+	}
+
+	public void prepareForUpdate(String property) {
+	}
+
+	public ObjectContext getObjectContext() {
+		return objectContext;
+	}
+
+	public ObjectId getObjectId() {
+		return objectId;
+	}
+
+	public int getPersistenceState() {
+		return persistenceState;
+	}
+
+	public void setObjectContext(ObjectContext objectContext) {
+		this.objectContext = objectContext;
+	}
+
+	public void setObjectId(ObjectId id) {
+		this.objectId = id;
+	}
+
+	public void setPersistenceState(int state) {
+		this.persistenceState = state;
+	}
+}

Added: incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PojoAdapterFactory.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PojoAdapterFactory.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PojoAdapterFactory.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/src/java/org/apache/cayenne/jpa/enhancer/PojoAdapterFactory.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,68 @@
+/*****************************************************************
+ *   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.cayenne.jpa.enhancer;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.cayenne.Persistent;
+import org.apache.cayenne.property.FieldAccessor;
+import org.apache.cayenne.property.PropertyAccessor;
+
+/**
+ * A factory that creates {@link PojoAdapter} instances.
+ * 
+ * @author Andrus Adamchik
+ */
+public class PojoAdapterFactory {
+
+    static final String PERSISTENCE_DELEGATE_FIELD = "$cayenne_persistenceDelegate";
+
+    protected Map<String, PropertyAccessor> injectors;
+    
+    public PojoAdapterFactory() {
+        injectors = new HashMap<String, PropertyAccessor>();
+    }
+
+    /**
+     * Wraps a pojo in an adapter instance, injecting adapter in the enhanced object for
+     * callbacks.
+     */
+    public Persistent makePersistent(Object object) {
+        if (object == null) {
+            throw new NullPointerException("Null pojo");
+        }
+        PropertyAccessor adapterInjector;
+
+        synchronized (injectors) {
+            adapterInjector = injectors.get(object.getClass().getName());
+            if (adapterInjector == null) {
+                adapterInjector = new FieldAccessor(
+                        object.getClass(),
+                        PERSISTENCE_DELEGATE_FIELD,
+                        PersistenceDelegate.class);
+            }
+        }
+
+        PojoAdapter adapter = new PojoAdapter(object);
+        adapterInjector.writePropertyDirectly(object, null, adapter);
+
+        return adapter;
+    }
+}

Added: incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/AsmEnhancerTest.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/AsmEnhancerTest.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/AsmEnhancerTest.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/AsmEnhancerTest.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,82 @@
+package org.apache.cayenne.jpa.enhancer;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+
+import junit.framework.TestCase;
+
+import org.apache.cayenne.property.PropertyUtils;
+
+public class AsmEnhancerTest extends TestCase {
+
+	public static final String C1 = "org.apache.cayenne.jpa.enhancer.MockPojo1";
+
+	protected ClassLoader loader;
+
+	@Override
+	protected void setUp() throws Exception {
+		Collection<String> managedClasses = new ArrayList<String>();
+		managedClasses.add(C1);
+
+		Map<String, Collection<String>> enhancedPropertyMap = new HashMap<String, Collection<String>>();
+
+		Collection<String> c1 = new HashSet<String>();
+		c1.add("attribute1");
+		enhancedPropertyMap.put(C1, c1);
+
+		loader = new EnhancingClassLoader(new AsmEnhancer(enhancedPropertyMap));
+	}
+
+	public void testPersistenceDelegatePropertyInjected() throws Exception {
+
+		Class e1Class = Class.forName(C1, true, loader);
+		assertNotNull(e1Class);
+		assertEquals(C1, e1Class.getName());
+
+		Field f = e1Class
+				.getDeclaredField(PojoAdapterFactory.PERSISTENCE_DELEGATE_FIELD);
+		assertTrue(PersistenceDelegate.class.isAssignableFrom(f.getType()));
+		assertTrue(!Modifier.isStatic(f.getModifiers()));
+		assertTrue(Modifier.isPublic(f.getModifiers()));
+		assertTrue(!Modifier.isFinal(f.getModifiers()));
+		assertTrue(Modifier.isTransient(f.getModifiers()));
+	}
+
+	public void testGetterCallbackInjected() throws Exception {
+
+		Class e1Class = Class.forName(C1, true, loader);
+		assertNotNull(e1Class);
+		assertEquals(C1, e1Class.getName());
+
+		Object o = e1Class.newInstance();
+
+		// assert with no delegate (make sure no NPE is thrown)
+		assertNull(PropertyUtils.getProperty(o, "attribute1"));
+		PropertyUtils.setProperty(o, "attribute1", "x");
+		assertEquals("x", PropertyUtils.getProperty(o, "attribute1"));
+
+		// now test if callbacks are executed
+
+		Field f = e1Class
+				.getDeclaredField(PojoAdapterFactory.PERSISTENCE_DELEGATE_FIELD);
+
+		MockPersistenceDelegate delegate = new MockPersistenceDelegate();
+		f.set(o, delegate);
+
+		assertEquals("x", PropertyUtils.getProperty(o, "attribute1"));
+		assertEquals("attribute1", delegate.getPreparedForAccess());
+		assertNull(delegate.getPreparedForUpdate());
+
+		delegate = new MockPersistenceDelegate();
+		f.set(o, delegate);
+		PropertyUtils.setProperty(o, "attribute1", "y");
+		assertNull(delegate.getPreparedForAccess());
+		assertEquals("attribute1", delegate.getPreparedForUpdate());
+		assertEquals("y", PropertyUtils.getProperty(o, "attribute1"));
+	}
+}

Added: incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/EnhancingClassLoader.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/EnhancingClassLoader.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/EnhancingClassLoader.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/EnhancingClassLoader.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,132 @@
+/*****************************************************************
+ *   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.cayenne.jpa.enhancer;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.instrument.ClassFileTransformer;
+import java.lang.instrument.IllegalClassFormatException;
+import java.security.SecureClassLoader;
+
+public class EnhancingClassLoader extends SecureClassLoader {
+
+	protected ClassFileTransformer transformer;
+
+	public EnhancingClassLoader(ClassFileTransformer transformer) {
+		super(Thread.currentThread().getContextClassLoader());
+		this.transformer = transformer;
+	}
+
+	/**
+	 * Returns true if the class does not need to be enhanced.
+	 */
+	protected boolean skipClassEnhancement(String className) {
+		return transformer == null;
+	}
+
+	@Override
+	protected synchronized Class<?> loadClass(String name, boolean resolve)
+			throws ClassNotFoundException {
+
+		if (skipClassEnhancement(name)) {
+			return super.loadClass(name, resolve);
+		}
+
+		Class c = findLoadedClass(name);
+
+		if (c == null) {
+			c = findClass(name);
+		}
+
+		if (resolve) {
+			resolveClass(c);
+		}
+
+		return c;
+	}
+
+	/**
+	 * If a class name is one of the managed classes, loads it
+	 */
+	@Override
+	protected Class<?> findClass(String name) throws ClassNotFoundException {
+		if (skipClassEnhancement(name)) {
+			return Class.forName(name, true, getParent());
+		} else {
+			return findEnhancedClass(name);
+		}
+	}
+
+	/**
+	 * Loads class bytes, and passes them through the registered
+	 * ClassTransformers.
+	 */
+	protected Class<?> findEnhancedClass(String name)
+			throws ClassNotFoundException {
+		String path = name.replace('.', '/') + ".class";
+
+		InputStream in = getResourceAsStream(path);
+		if (in == null) {
+			return Class.forName(name, true, getParent());
+		}
+
+		try {
+
+			ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
+			byte[] buffer = new byte[1024];
+			int read;
+
+			while ((read = in.read(buffer, 0, 1024)) > 0) {
+				out.write(buffer, 0, read);
+			}
+
+			out.close();
+			byte[] classBytes = out.toByteArray();
+
+			byte[] bytes;
+			try {
+				bytes = transformer.transform(getParent(), name, null, null,
+						classBytes);
+			} catch (IllegalClassFormatException e) {
+				throw new ClassNotFoundException("Could not transform class '"
+						+ name + "' due to invalid format", e);
+			}
+
+			if (bytes != null) {
+				classBytes = bytes;
+			} else {
+				// if transformer didn't transform ... this is suboptimal as
+				// we've already read the bytes from classfile...
+				return Class.forName(name, true, getParent());
+			}
+
+			return defineClass(name, classBytes, 0, classBytes.length);
+		} catch (IOException e) {
+			throw new ClassNotFoundException(name, e);
+		} finally {
+			try {
+				in.close();
+			} catch (IOException e) {
+				// ignore close exceptions...
+			}
+		}
+	}
+}

Added: incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockEnhancedPojo.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockEnhancedPojo.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockEnhancedPojo.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockEnhancedPojo.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,40 @@
+/*****************************************************************
+ *   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.cayenne.jpa.enhancer;
+
+public class MockEnhancedPojo {
+
+	public transient PersistenceDelegate $cayenne_persistenceDelegate;
+
+	protected String attribute1;
+
+	public String getAttribute1() {
+		if ($cayenne_persistenceDelegate != null) {
+			$cayenne_persistenceDelegate.prepareForAccess("attribute1");
+		}
+		return attribute1;
+	}
+
+	public void setAttribute1(String attribute1) {
+		if ($cayenne_persistenceDelegate != null) {
+			$cayenne_persistenceDelegate.prepareForUpdate("attribute1");
+		}
+		this.attribute1 = attribute1;
+	}
+}

Added: incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockPersistenceDelegate.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockPersistenceDelegate.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockPersistenceDelegate.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockPersistenceDelegate.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,24 @@
+package org.apache.cayenne.jpa.enhancer;
+
+public class MockPersistenceDelegate implements PersistenceDelegate {
+
+	protected String preparedForAccess;
+
+	protected String preparedForUpdate;
+
+	public void prepareForAccess(String property) {
+		preparedForAccess = property;
+	}
+
+	public void prepareForUpdate(String property) {
+		preparedForUpdate = property;
+	}
+
+	public String getPreparedForAccess() {
+		return preparedForAccess;
+	}
+
+	public String getPreparedForUpdate() {
+		return preparedForUpdate;
+	}
+}

Added: incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockPojo1.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockPojo1.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockPojo1.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/MockPojo1.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,13 @@
+package org.apache.cayenne.jpa.enhancer;
+
+public class MockPojo1 {
+	protected String attribute1;
+
+	public String getAttribute1() {
+		return attribute1;
+	}
+
+	public void setAttribute1(String attribute1) {
+		this.attribute1 = attribute1;
+	}
+}

Added: incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/PojoAdapterFactoryTest.java
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/PojoAdapterFactoryTest.java?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/PojoAdapterFactoryTest.java (added)
+++ incubator/cayenne/sandbox/asm-enhancer/main/test/java/org/apache/cayenne/jpa/enhancer/PojoAdapterFactoryTest.java Sun Oct  8 21:07:23 2006
@@ -0,0 +1,37 @@
+/*****************************************************************
+ *   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.cayenne.jpa.enhancer;
+
+import org.apache.cayenne.Persistent;
+
+import junit.framework.TestCase;
+
+public class PojoAdapterFactoryTest extends TestCase {
+
+    public void testMakePersistent() {
+        PojoAdapterFactory factory = new PojoAdapterFactory();
+
+        MockEnhancedPojo o1 = new MockEnhancedPojo();
+        Persistent p1 = factory.makePersistent(o1);
+
+        assertNotNull(p1);
+        assertSame(p1, o1.$cayenne_persistenceDelegate);
+        assertSame(o1, ((PojoAdapter) p1).getObject());
+    }
+}

Added: incubator/cayenne/sandbox/asm-enhancer/pom.xml
URL: http://svn.apache.org/viewvc/incubator/cayenne/sandbox/asm-enhancer/pom.xml?view=auto&rev=454271
==============================================================================
--- incubator/cayenne/sandbox/asm-enhancer/pom.xml (added)
+++ incubator/cayenne/sandbox/asm-enhancer/pom.xml Sun Oct  8 21:07:23 2006
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+	Copyright 2006 The Apache Software Foundation
+	
+	Licensed 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+	<modelVersion>4.0.0</modelVersion>
+
+
+	<groupId>org.apache.cayenne.core</groupId>
+	<version>3.0-incubating-SNAPSHOT</version>
+	<description>ASM Enhancer</description>
+	<artifactId>cayenne-jpa</artifactId>
+	<name>ASM Enhancer</name>
+	<packaging>jar</packaging>
+
+	<dependencies>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>3.8.1</version>
+		</dependency>
+
+		<dependency>
+			<groupId>asm</groupId>
+			<artifactId>asm</artifactId>
+			<version>2.2.3</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.apache.cayenne.core</groupId>
+			<artifactId>cayenne-jdk1.4</artifactId>
+			<version>3.0-incubating-SNAPSHOT</version>
+		</dependency>
+	</dependencies>
+</project>



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