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
if ( eh != null )
				eh.onPageBreak( row, context.getReportContext( ) );
		} catch ( Exception e )
		{
			addException( context, e );
		}
	}
	private static IRowEventHandler getEventHandler( ReportItemDesign design,
			ExecutionContext context )
	{
		RowHandle handle = ( RowHandle ) design.getHandle( );
		if ( handle == null )
			return null;
		return getEventHandler( handle, context );
	}
	private static IRowEventHandler getEventHandler( RowHandle handle,
			ExecutionContext context )
	{
		IRowEventHandler eh = null;
		try
		{
			eh = ( IRowEventHandler ) getInstance( handle, context );
		} catch ( ClassCastException e )
		{
			addClassCastException( context, e, handle.getEventHandlerClass( ),
					IRowEventHandler.class );
		}
		return eh;
	}
}