Bug 147833 Render attached report to pdf from document failed
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/content/ListContainerExecutor.java
{
			if(currentRunIn!=null)
			{
				currentRunIn.close( );
			}
			executor.close( );
		}
		public IContent execute( )
		{
			return content;
		}
		public IReportItemExecutor getNextChild( )
		{
			if(childContent!=null)
			{
				IReportItemExecutor ret = new ItemExecutorWrapper(childExecutor, childContent);
				childContent = null;
				childExecutor = null;
				needUpdate = true;
				return ret;
			}
			if(currentRunIn!=null)
			{
				needUpdate = true;
				return currentRunIn.getNextChild( );
			}
			assert(false);
			return null;
			
		}