Bug 198604 After refresh the library, the link groups key are changed in cube builder[1101]
Description: After refresh the library, the link groups key are changed in cube builder[1101] Build number: 2.2.1.v20070802-0630 Steps to reproduce: 1, New a cube in library, the cube has a joint key between dimension table and facttable 2, Using the cube in a report design 3, Check the joint status in link group 4, Refresh the library in outline 5, Recheck the joint staus in link group Expected result: After step5, the joint status are correct and as same as the status in library Actual result: The dimension table is missing and the joint key is disconnected
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/ElementStructureUtil.java
ElementDefn defn = (ElementDefn) source.getDefn( );
		if ( defn != target.getDefn( ) )
			throw new IllegalArgumentException(
					"Two element are not the same type." ); 
		if ( !defn.isContainer( ) )
			return true;
		
		for ( int i = 0; i < defn.getSlotCount( ); i++ )
		{
			duplicateStructure( new ContainerContext( source, i ),
					new ContainerContext( target, i ), targetModule );
		}
		
		List properties = defn.getContents( );
		for ( int i = 0; i < properties.size( ); i++ )
		{
			PropertyDefn propDefn = (PropertyDefn) properties.get( i );
			duplicateStructure( new ContainerContext( source, propDefn
					.getName( ) ), new ContainerContext( target, propDefn
					.getName( ) ), targetModule );
		}
		
		if ( target instanceof Cube )
		{
			Cube targetCube = (Cube) target;
			Cube sourceCube = (Cube) source;
			DesignElement group = sourceCube.getDefaultMeasureGroup( sourceCube
					.getRoot( ) );
			if ( group != null )
			{