Bug 313882 [Regression]pageoverflow plus pagebreakinternal shows different pdf pages in web viewer and preview
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/nLayout/area/impl/ContainerArea.java
public final static int SPLIT_SUCCEED_WITH_PART = 0;
		public final static int SPLIT_SUCCEED_WITH_NULL = 1;
		public final static int SPLIT_BEFORE_AVOID_WITH_NULL = 2;
		public static SplitResult BEFORE_AVOID_WITH_NULL = new SplitResult(
				null, SPLIT_BEFORE_AVOID_WITH_NULL );
		public static SplitResult SUCCEED_WITH_NULL = new SplitResult( null,
				SPLIT_SUCCEED_WITH_NULL );
		public SplitResult( ContainerArea result, int status )
		{
			this.result = result;
			this.status = status;
		}
		protected ContainerArea result = null;
		protected int status;
		public ContainerArea getResult( )
		{
			return result;
		}
		public boolean isEmpty( )
		{
			return result == null;
		}
	}
	
	protected void updateContentHeight( int height )
	{
		setContentHeight( height );
	}
}