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
*/
	public DimLevel[] getAllLevels( )
	{
		return aggregation.getLevels( );
	}
	/**
	 * 
	 */
	public AggregationDefinition getAggregationDefinition( )
	{
		return this.aggregation;
	}
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.engine.olap.data.api.IAggregationResultSet#close()
	 */
	public void close( ) throws IOException
	{
		aggregationResultRows.close( );
	}
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.engine.olap.data.api.IAggregationResultSet#clear()
	 */
	public void clear( ) throws IOException
	{
		aggregationResultRows.clear( );
	}
}