Package mondrian.olap.fun

Source Code of mondrian.olap.fun.LevelMembersFunDef

/*
* This software is subject to the terms of the Eclipse Public License v1.0
* Agreement, available at the following URL:
* http://www.eclipse.org/legal/epl-v10.html.
* You must accept the terms of that agreement to use this software.
*
* Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

package mondrian.olap.fun;

import mondrian.calc.*;
import mondrian.calc.impl.AbstractListCalc;
import mondrian.mdx.ResolvedFunCall;
import mondrian.olap.Evaluator;
import mondrian.olap.Level;

/**
* Definition of the <code>&lt;Level&gt;.Members</code> MDX function.
*
* @author jhyde
* @since Jan 17, 2009
*/
public class LevelMembersFunDef extends FunDefBase {
    public static final LevelMembersFunDef INSTANCE = new LevelMembersFunDef();

    private LevelMembersFunDef() {
        super("Members", "Returns the set of members in a level.", "pxl");
    }

    public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
        final LevelCalc levelCalc =
            compiler.compileLevel(call.getArg(0));
        return new AbstractListCalc(call, new Calc[] {levelCalc}) {
            public TupleList evaluateList(Evaluator evaluator) {
                Level level = levelCalc.evaluateLevel(evaluator);
                return levelMembers(level, evaluator, false);
            }
        };
    }
}

// End LevelMembersFunDef.java
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