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/impl/aggregation/AggregationResultSet.java
* (non-Javadoc)
	 * @see org.eclipse.birt.data.olap.data.api.IAggregationResultSet#getLevelCount()
	 */
	public int getLevelCount( )
	{
		if ( keyNames == null )
			return 0;
		return keyNames.length;
	}
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.engine.olap.data.api.IAggregationResultSet#getLevelKeyName(int, int)
	 */
	public String getLevelKeyName( int levelIndex, int keyIndex )
	{
		return keyNames[levelIndex][keyIndex];
	}
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.engine.olap.data.api.IAggregationResultSet#getLevelName(int)
	 */
	public DimLevel getLevel( int levelIndex )
	{
		return aggregation.getLevels( )[levelIndex];
	}
	
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.engine.olap.data.api.IAggregationResultSet#getAggributeNames()
	 */