relationshiplist.java

来自「数据仓库展示程序」· Java 代码 · 共 50 行

/*
// $Id: //open/mondrian/src/main/mondrian/jolap/RelationshipList.java#3 $
// This software is subject to the terms of the Common Public License
// Agreement, available at the following URL:
// http://www.opensource.org/licenses/cpl.html.
// (C) Copyright 2002-2005 Kana Software, Inc. and others.
// All Rights Reserved.
// You must accept the terms of that agreement to use this software.
//
// jhyde, Dec 24, 2002
*/
package mondrian.jolap;

import mondrian.olap.Util;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

/**
 * Represents the instances of a relationship.
 *
 * @author jhyde
 * @since Dec 24, 2002
 * @version $Id: //open/mondrian/src/main/mondrian/jolap/RelationshipList.java#3 $
 **/
class RelationshipList extends ArrayList {
    protected Relationship relationship;

    RelationshipList(Relationship relationship) {
        this.relationship = relationship;
    }

    public void set(Collection collection) {
        clear();
        addAll(collection);
        for (Iterator iterator = collection.iterator(); iterator.hasNext();) {
            final Object o = iterator.next();
            Util.assertTrue(relationship.toClass.isInstance(o));
        }
    }

    public Object addNew(Object o) {
        add(o);
        return o;
    }
}

// End RelationshipList.java