Bug 192829 Aggregation binding filter doesn't work for crosstab
The filter condition on bindings for Crosstab doesn't take effect. Currently Dte hasn't supported this yet.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/olap/data/api/CubeQueryExecutorHelper.java
* @param computedMeasureHelper
	 */
	public void addComputedMeasure( IComputedMeasureHelper computedMeasureHelper )
	{
		this.computedMeasureHelper = computedMeasureHelper;
	}
	
	/**
	 * 
	 * @param sort
	 */
	public void addRowSort( AggrSortDefinition sort )
	{
		this.rowSort.add( sort );
	}
	
	/**
	 * 
	 * @return sortDefinition list on row edge
	 */
	public List getRowSort( )
	{
		return this.rowSort;
	}
	
	/**
	 * 
	 * @return sortDefinition list on column edge
	 */
	public List getColumnSort( )