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/AggregationFunctionDefinition.java
* 
	 * @return
	 */
	public String getName( )
	{
		return name;
	}
	
	/**
	 * 
	 * @return
	 */
	public DimColumn getParaCol( )
	{
		if( paraLevel == null)
			return null;
		return new DimColumn( paraLevel.getDimensionName( ),
				paraLevel.getLevelName( ),
				paraColName );
	}
	/**
	 * 
	 * @return
	 */
	public DimLevel getParaLevel( )
	{
		return paraLevel;
	}
}