entityjoinoperator.java

国外的一套开源CRM

/*
 * $Id: EntityJoinOperator.java,v 1.1 2003/11/05 12:08:00 jonesde Exp $
 *
 *  Copyright (c) 2002 The Open For Business Project - www.ofbiz.org
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a
 *  copy of this software and associated documentation files (the "Software"),
 *  to deal in the Software without restriction, including without limitation
 *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
 *  and/or sell copies of the Software, and to permit persons to whom the
 *  Software is furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included
 *  in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 *  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
 *  OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 *  THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package org.ofbiz.entity.condition;

import org.ofbiz.entity.GenericEntity;

/**
 * Encapsulates operations between entities and entity fields. This is a immutable class.
 *
 *@author     <a href='mailto:[e-mail]'>Chris Maurer</a>
 *@author     <a href="mailto:[e-mail]">David E. Jones</a>
 *@author     <a href="mailto:[e-mail]">Andy Zeneski</a>
 *@created    Nov 5, 2001
 *@version    1.0
 */
public class EntityJoinOperator extends EntityOperator {

    protected boolean shortCircuitValue;

    protected EntityJoinOperator(int id, String code, boolean shortCircuitValue) {
        super(id, code);
        this.shortCircuitValue = shortCircuitValue;
    }

    public MatchResult join(EntityCondition condition, GenericEntity entity) {
        MatchResult result = new MatchResult();
        result.matches = condition.entityMatches(entity);
        if (result.matches == shortCircuitValue) {
            result.shortCircuit = true;
        }
        return result;
    }
}