001    /*
002    // $Id: //open/mondrian-release/3.0/src/main/mondrian/rolap/RolapVirtualCubeMeasure.java#2 $
003    // This software is subject to the terms of the Common Public License
004    // Agreement, available at the following URL:
005    // http://www.opensource.org/licenses/cpl.html.
006    // Copyright (C) 2006-2006 Julian Hyde
007    // All Rights Reserved.
008    // You must accept the terms of that agreement to use this software.
009    */
010    package mondrian.rolap;
011    
012    import mondrian.olap.MondrianDef;
013    import mondrian.olap.CellFormatter;
014    
015    /**
016     * Measure which is defined in a virtual cube, and based on a stored measure
017     * in one of the virtual cube's base cubes.
018     *
019     * @author jhyde
020     * @version $Id: //open/mondrian-release/3.0/src/main/mondrian/rolap/RolapVirtualCubeMeasure.java#2 $
021     * @since Aug 18, 2006
022     */
023    public class RolapVirtualCubeMeasure
024        extends RolapMember
025        implements RolapStoredMeasure
026    {
027        /**
028         * The measure in the underlying cube.
029         */
030        private final RolapStoredMeasure cubeMeasure;
031    
032        public RolapVirtualCubeMeasure(
033            RolapMember parentMember,
034            RolapLevel level,
035            RolapStoredMeasure cubeMeasure)
036        {
037            super(parentMember, level, cubeMeasure.getName());
038            this.cubeMeasure = cubeMeasure;
039        }
040    
041        public Object getPropertyValue(String propertyName, boolean matchCase) {
042            // Look first in this member (against the virtual cube), then
043            // fallback on the base measure.
044            // This allows, for instance, a measure to be invisible in a virtual
045            // cube but visible in its base cube.
046            Object value = super.getPropertyValue(propertyName, matchCase);
047            if (value == null) {
048                value = cubeMeasure.getPropertyValue(propertyName, matchCase);
049            }
050            return value;
051        }
052    
053        public RolapCube getCube() {
054            return cubeMeasure.getCube();
055        }
056    
057        public Object getStarMeasure() {
058            return cubeMeasure.getStarMeasure();
059        }
060    
061        public MondrianDef.Expression getMondrianDefExpression() {
062            return cubeMeasure.getMondrianDefExpression();
063        }
064    
065        public RolapAggregator getAggregator() {
066            return cubeMeasure.getAggregator();
067        }
068    
069        public CellFormatter getFormatter() {
070            return cubeMeasure.getFormatter();
071        }
072    }
073    
074    // End RolapVirtualCubeMeasure.java