org.eclipse.persistence.internal.identitymaps.LinkedCacheKey Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of eclipselink Show documentation

EclipseLink build based upon Git transaction f2b9fc5

There is a newer version: 5.0.0-B03

/*
 * Copyright (c) 1998, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.internal.identitymaps;

/**
 * Purpose: Provides the capability to insert CacheKeys into a Linked List.
 * 
Responsibilities:

 *  Provide same capabilities as superclass.
 * 
 Maintain within linked list.
 * 
 * @see CacheIdentityMap
 * @since TOPLink/Java 1.0
 */
public class LinkedCacheKey extends CacheKey {

    /** Handle on previous element in cache */
    protected LinkedCacheKey previous;

    /** Handle on next element in cache */
    protected LinkedCacheKey next;

    /**
     * Initialize the newly allocated instance of this class.
     * @param object is the domain object.
     * @param writeLockValue is the write lock value number.
     */
    public LinkedCacheKey(Object primaryKey, Object object, Object writeLockValue, long readTime, boolean isIsolated) {
        super(primaryKey, object, writeLockValue, readTime, isIsolated);
    }

    public LinkedCacheKey getNext() {
        return next;
    }

    public LinkedCacheKey getPrevious() {
        return previous;
    }

    public void setNext(LinkedCacheKey next) {
        this.next = next;
    }

    public void setPrevious(LinkedCacheKey previous) {
        this.previous = previous;
    }
}