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Java > Open Source Codes > mondrian > calc > impl > AbstractDimensionCalc


1 /*
2 // $Id: //open/mondrian/src/main/mondrian/calc/impl/AbstractDimensionCalc.java#2 $
3 // This software is subject to the terms of the Common Public License
4 // Agreement, available at the following URL:
5 // http://www.opensource.org/licenses/cpl.html.
6 // Copyright (C) 2006-2006 Julian Hyde
7 // All Rights Reserved.
8 // You must accept the terms of that agreement to use this software.
9 */
10 package mondrian.calc.impl;
11
12 import mondrian.olap.Evaluator;
13 import mondrian.olap.Exp;
14 import mondrian.olap.type.DimensionType;
15 import mondrian.calc.impl.AbstractCalc;
16 import mondrian.calc.DimensionCalc;
17 import mondrian.calc.Calc;
18
19 /**
20  * Abstract implementation of the {@link mondrian.calc.DimensionCalc} interface.
21  *
22  * <p>The derived class must
23  * implement the {@link #evaluateDimension(mondrian.olap.Evaluator)} method,
24  * and the {@link #evaluate(mondrian.olap.Evaluator)} method will call it.
25  *
26  * @author jhyde
27  * @version $Id: //open/mondrian/src/main/mondrian/calc/impl/AbstractDimensionCalc.java#2 $
28  * @since Sep 26, 2005
29  */
30 public abstract class AbstractDimensionCalc
31         extends AbstractCalc implements DimensionCalc {
32     private final Calc[] calcs;
33
34     protected AbstractDimensionCalc(Exp exp, Calc[] calcs) {
35         super(exp);
36         this.calcs = calcs;
37         assert getType() instanceof DimensionType;
38     }
39
40     public Object JavaDoc evaluate(Evaluator evaluator) {
41         return evaluateDimension(evaluator);
42     }
43
44     public Calc[] getCalcs() {
45         return calcs;
46     }
47 }
48
49 // End AbstractMemberCalc.java
50
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