Bug 191005 PDF preview hangs up with attached xtab.[1102]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTableRegionLM.java
{
		super.initialize( );
		
	}
	protected int getAvaHeight( )
	{
		return Integer.MAX_VALUE;
	}
	protected void buildTableLayoutInfo( )
	{
	}
	
	protected void closeLayout( )
	{
		
		if ( root == null )
		{
			return;
		}
		root.setHeight( getCurrentBP( ) + getOffsetY( ) );
	}
	protected IReportItemExecutor createExecutor( )
	{
		return this.executor;
	}
	protected void repeat( )
	{
	}
}