Bug 188224 DTE should give out APIs about CrossTab filter equal value list and member value list Util.
DTE should give out APIs about CrossTab filter equal value list and member value list Util.
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataSetIterator.java
{
				ColumnMeta columnMeta = (ColumnMeta) columnMetas.get( i );
				columnMeta.setIndex( i + 1 );
				this.columnMetaMap.put( columnMeta.getName( ), columnMeta );
				this.indexMap.put( new Integer( i + 1 ), columnMeta );
				if ( columnMeta.isLevelKey( ))
				{
					this.nullValueReplacer[i] = createNullValueReplacer( columnMeta.getType( ));
				}
			}
		}
		/**
		 * 
		 * @param fieldName
		 * @return
		 */
		public int getFieldIndex( String fieldName )
		{
			return ( (ColumnMeta) this.columnMetaMap.get( fieldName ) ).getIndex( );
		}
		/**
		 * 
		 * @param fieldName
		 * @return
		 */
		public int getFieldType( String fieldName )
		{
			return ( (ColumnMeta) this.columnMetaMap.get( fieldName ) ).getType( );
		}
		/**