Bug 209128 BIRT Cross tab Model Change - Support for filter on measures
TO support filter condition on cross tab measure, Model changes are needed to support filter condition list on cross tab report item.
xtab/org.eclipse.birt.report.item.crosstab.core/src/org/eclipse/birt/report/item/crosstab/core/de/MeasureViewHandle.java
if ( ( colLevel != null && colLevel.equals( column ) )
						|| ( colLevel == null && column == null ) )
				{
					found = element;
					break;
				}
			}
		}
		return (AggregationCellHandle) CrosstabUtil.getReportItem( found,
				AGGREGATION_CELL_EXTENSION_NAME );
	}
	/**
	 * Gets the aggregation cell count for this measure.
	 * 
	 * @return count of aggregation cell for this measure
	 */
	public int getAggregationCount( )
	{
		return getAggregationsProperty( ).getContentCount( );
	}
	/**
	 * Gets the aggregation cell with the given index. Position index is 0-based
	 * integer.
	 * 
	 * @param index
	 *            a 0-based integer of the aggregation cell position
	 * @return the aggregation cell handle if found, otherwise null
	 */
	public AggregationCellHandle getAggregationCell( int index )
	{