initialize( dataEngine, appContext );
initializeResultClass( dataEngine, appContext );
		protected IQuery createOdiQuery( ) throws DataException		{			setCurrentDataSet( dataSetDesign );						// Lazzily initialize the PreparedJointDataSourceQuery here.			// The creation of JointDataSetQuery need IResultClass instance			// as input argment.We have to create ResultIterator instance			// in method "initialize()" for this is the only way to acquire			// IResultClass instances.			if ( doesLoadFromCache( ) == false )				initialize( dataEngine, appContext );			return new JointDataSetQuery( resultClass );		}