Bug 207825 Crosstab gives wrong default for Totals on Count
xtab/org.eclipse.birt.report.item.crosstab.core/src/org/eclipse/birt/report/item/crosstab/core/de/internal/AbstractCrosstabModelTask.java
{
		String rowDimension = null;
		String rowLevel = null;
		String colDimension = null;
		String colLevel = null;
		/**
		 * 
		 * @param rowDimension
		 * @param rowLevel
		 * @param colDimension
		 * @param colLevel
		 */
		public AggregationInfo( String rowDimension, String rowLevel,
				String colDimension, String colLevel )
		{
			this.rowDimension = rowDimension;
			this.rowLevel = rowLevel;
			this.colDimension = colDimension;
			this.colLevel = colLevel;
		}
		/**