Bug 183733 Implement the IScriptOjectClassInfo to provide the class infromation to support the JS code assistant.
Engine should implement the IScriptObjectClassInfo interface to return the class information for script object.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/script/internal/RowScriptExecutor.java
try
		{
			IRow row = new Row( rowHandle );
			if ( handleJS( row, rowHandle.getOnPrepare( ), context ).didRun( ) )
				return;
			IRowEventHandler eh = getEventHandler( rowHandle, context );
			if ( eh != null )
				eh.onPrepare( row, context.getReportContext( ) );
		} catch ( Exception e )
		{
			addException( context, e );
		}
	}
	public static void handleOnCreate( IRowContent content,
			ExecutionContext context )
	{
		try
		{
			ReportItemDesign rowDesign = ( ReportItemDesign ) content
					.getGenerateBy( );
			IRowInstance row = new RowInstance( content,  context );
			if ( handleJS( row, rowDesign.getOnCreate( ), context ).didRun( ) )
				return;
			IRowEventHandler eh = getEventHandler( rowDesign, context );
			if ( eh != null )
				eh.onCreate( row, context.getReportContext( ) );
		} catch ( Exception e )
		{
			addException( context, e );
		}