com.alachisoft.ncache.client.LockHandle Maven / Gradle / Ivy

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/**
 * LockHandle.java
 * 
 * Created on July 27, 2009, 15:21 PM
 * 
 * Copyright 2005 Alachisoft, Inc. All rights reserved. ALACHISOFT PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package com.alachisoft.ncache.client;

import com.alachisoft.ncache.runtime.util.NCDateTime;

import java.util.Date;

/**
 * An instance of this class is used to lock and unlock the cache items in pessimistic concurrency model.
 */
public final class LockHandle {

    private String _lockId;
    private Date _lockDate = new Date(0);

    /**
     * Default constructor
     */
    public LockHandle() {
    }

    /**
     * Create a new LockHandle
     * @param lockId Unique lock id for lock handle.
     * @param lockDate The time when lock was acquired.
     */
    public LockHandle(String lockId, Date lockDate) {
        this._lockId = lockId;
        this._lockDate = lockDate;
    }

    /**
     * Create a new LockHandle populates attributes from specified lockhandle.
     * @param lockHandle The lockhandle instance.
     */
    public LockHandle(LockHandle lockHandle) {
        this._lockDate = lockHandle._lockDate;
        this._lockId = lockHandle._lockId;
    }

    /**
     * Get lock id
     *
     * @return Lock id
     */
    public String getLockId() {
        return this._lockId;
    }

    /**
     * Sets the lock id.
     * @param lockId New lock id.
     */
    public void setLockId(String lockId) {
        //if(lockId!=null && lockId.startsWith("null", 0))
        //    lockId=null;
        this._lockId = lockId;
    }

    /**
     * Gets the lock date.
     * @return Lock date instance.
     */
    public Date getLockDate() {
        return this._lockDate;
    }

    /**
     * Sets lock date.
     * @param lockDate New lock date.
     */
    public void setLockDate(Date lockDate) {
        this._lockDate = lockDate;
    }
}