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
return IGroupDefinition.MONTH_INTERVAL;
		}
		else
			throw new AdapterException( ResourceConstants.INVALID_DATE_TIME_TYPE,
					timeType );
	}
	/**
	 * 
	 * @param type
	 * @return
	 */
	private boolean isTimeType( int type )
	{
		if ( type == DataType.DATE_TYPE 
			 || type == DataType.SQL_DATE_TYPE	)
		{
			return true;
		}	
		return false;
	}
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.engine.olap.api.cube.IDatasetIterator#close()
	 */
	public void close( ) throws BirtException
	{
		it.close( );
	}
	/*
	 * (non-Javadoc)