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From "cristian manea (JIRA)" <ibatis-...@incubator.apache.org>
Subject [jira] Created: (IBATISNET-168) The parameter class reflection does not work anymore
Date Tue, 18 Jul 2006 15:35:17 GMT
The parameter class reflection does not work anymore
----------------------------------------------------

                 Key: IBATISNET-168
                 URL: http://issues.apache.org/jira/browse/IBATISNET-168
             Project: iBatis for .NET
          Issue Type: Bug
          Components: DataMapper
    Affects Versions: DataMapper 1.5
         Environment: Windows 2003 server, dot net framework 2.0, VS2005
            Reporter: cristian manea
            Priority: Blocker


Hello.

We have upgraded our project from dnf 1.1 to dnf 2.0 vs2005, so we have upgraded to Data Mapper
1.5 (from 1.3).

It seams that the dynamic class reflection for the query parameters does not work anymore
in 1.5, in the 1.3 version it work just fine. It is really a blocking situation for us, because...it
simply does not work anymore :(

We are using a solution where the parameter that we are passing is a "generic" one, and has
this definition: 

	public class Query
	{		
		private Object _DataObject;
		public Object    DataObject{get{return _DataObject; }set { _DataObject = value;}}
		private Object _ParametersObject;
		public object     ParametersObject{get { return _ParametersObject; }set { _ParametersObject
= value; }}
	}

Then we are passing to iBatis (by internal convention) the "parameters" embeded in the Query
class, here is an example:
 
			obj_Query.ParametersObject = Parameters; //here we are setting our Parameters object
			obj_Query.DataObject = Labels[0];  //here we are setting our Business Object
			objLabel = (Label) Helpers.Label().Read(obj_Query); //here we are calling by passing the
query object
			Assert.IsNotNull (objLabel, "Label not returned");
.............................................................................................
		public override System.Object Read(System.Object obj)
		{
			Labels objLabel =  (Label) Mapper ().QueryForObject("SelectLabel",obj);
			return(objLabel);
		}


The mapped statemend in the sqlmap file is as follows:

		<select id="SelectLabel"  parameterClass="Query" resultMap="LabelResult">
			select *
			from ll_label_language
			<dynamic prepend="WHERE">
				<isParameterPresent>
					<isNotNull property="DataObject">
						<isGreaterThan property="DataObject.Id" compareValue="0" prepend="AND">
							label_language_id = #DataObject.Id#	
						</isGreaterThan>
						<isGreaterThan property="DataObject.LabelId" compareValue="0" prepend="AND">
							label_id = #DataObject.LabelId#	
						</isGreaterThan>					
					</isNotNull>
					<isNotNull  property="ParametersObject" prepend="AND">
							language_id = #ParametersObject.LanguageId#
					</isNotNull>
				</isParameterPresent>
			</dynamic>
		</select>

iBatis 1.5 returns this error (it does not understand that the DataObject is in fact a Label,
and not an Object):

failed: IBatisNet.Common.Exceptions.ConfigurationException : 
- The error occurred while loading SqlMap.
- parse dynamic tags on sql statement
- The error occurred in <sqlMap resource="${root}Resources/LabelHelper.xml" xmlns="http://ibatis.apache.org/dataMapper"
/>.  
- Check the SelectLabel.
  ----> IBatisNet.Common.Exceptions.ProbeException : There is no Get member named 'Id'
in class 'Object'
	at IBatisNet.DataMapper.Configuration.DomSqlMapBuilder.Build(XmlDocument document, DataSource
dataSource, Boolean useConfigFileWatcher, Boolean isCallFromDao)
	at IBatisNet.DataMapper.Configuration.DomSqlMapBuilder.ConfigureAndWatch(String resource,
ConfigureHandler configureDelegate)
	at IBatisNet.DataMapper.Mapper.InitMapper()
	at IBatisNet.DataMapper.Mapper.Instance()
	C:\Documents and Settings\Administrator\Favorites\LogiqLibrary\Source\LL\LL_BusinessObjects\Helper.cs(18,0):
at LL_BusinessObjects.Helper.Mapper()
	C:\Documents and Settings\Administrator\Favorites\LogiqLibrary\Source\LL\LL_BusinessObjects\LanguageHelper.cs(17,0):
at LL_BusinessObjects.LanguageHelper.ReadList(Object obj)
	C:\Documents and Settings\Administrator\Favorites\LogiqLibrary\Source\LL\LL_Tests\DAL_tests.cs(27,0):
at LL_Tests.DAL_tests.LanguageSelects()
	--ConfigurationException
	at IBatisNet.Common.Utilities.Objects.ReflectionInfo.GetGetterType(String memberName)
	at IBatisNet.Common.Utilities.Objects.ObjectProbe.GetMemberTypeForGetter(Type type, String
memberName)
	at IBatisNet.DataMapper.Configuration.ParameterMapping.InlineParameterMapParser.ResolveTypeHandler(TypeHandlerFactory
typeHandlerFactory, Type parameterClassType, String propertyName, String propertyType, String
dbType)
	at IBatisNet.DataMapper.Configuration.ParameterMapping.InlineParameterMapParser.NewParseMapping(String
token, Type parameterClassType, IScope scope)
	at IBatisNet.DataMapper.Configuration.ParameterMapping.InlineParameterMapParser.ParseInlineParameterMap(IScope
scope, IStatement statement, String sqlStatement)
	at IBatisNet.DataMapper.Configuration.DomSqlMapBuilder.ParseDynamicTags(XmlNode commandTextNode,
IDynamicParent dynamic, StringBuilder sqlBuffer, Boolean isDynamic, Boolean postParseRequired,
IStatement statement)
	at IBatisNet.DataMapper.Configuration.DomSqlMapBuilder.ParseDynamicTags(XmlNode commandTextNode,
IDynamicParent dynamic, StringBuilder sqlBuffer, Boolean isDynamic, Boolean postParseRequired,
IStatement statement)
	at IBatisNet.DataMapper.Configuration.DomSqlMapBuilder.ParseDynamicTags(XmlNode commandTextNode,
IDynamicParent dynamic, StringBuilder sqlBuffer, Boolean isDynamic, Boolean postParseRequired,
IStatement statement)
	at IBatisNet.DataMapper.Configuration.DomSqlMapBuilder.ParseDynamicTags(XmlNode commandTextNode,
IDynamicParent dynamic, StringBuilder sqlBuffer, Boolean isDynamic, Boolean postParseRequired,
IStatement statement)
	at IBatisNet.DataMapper.Configuration.DomSqlMapBuilder.ParseDynamicTags(XmlNode commandTextNode,
IDynamicParent dynamic, StringBuilder sqlBuffer, Boolean isDynamic, Boolean postParseRequired,
IStatement statement)
	at IBatisNet.DataMapper.Configuration.DomSqlMapBuilder.ProcessSqlStatement(IStatement statement)
	at IBatisNet.DataMapper.Configuration.DomSqlMapBuilder.ConfigureSqlMap()
	at IBatisNet.DataMapper.Configuration.DomSqlMapBuilder.Initialize()
	at IBatisNet.DataMapper.Configuration.DomSqlMapBuilder.Build(XmlDocument document, DataSource
dataSource, Boolean useConfigFileWatcher, Boolean isCallFromDao)

Thank you for your support.

Cristian Manea
www.atypiqsoftware.ro


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