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Liferay Change Tracking Service

There is a newer version: 3.0.108

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.change.tracking.internal.closure;

import com.liferay.petra.lang.HashUtil;
import com.liferay.petra.string.StringBundler;

/**
 * @author Preston Crary
 */
public class Node {

	public static final Node ROOT_NODE = new Node(0, 0);

	public Node(long classNameId, long primaryKey) {
		_classNameId = classNameId;
		_primaryKey = primaryKey;
	}

	@Override
	public boolean equals(Object object) {
		if (this == object) {
			return true;
		}

		if (!(object instanceof Node)) {
			return false;
		}

		Node node = (Node)object;

		if ((_classNameId == node._classNameId) &&
			(_primaryKey == node._primaryKey)) {

			return true;
		}

		return false;
	}

	public long getClassNameId() {
		return _classNameId;
	}

	public long getPrimaryKey() {
		return _primaryKey;
	}

	@Override
	public int hashCode() {
		int hash = HashUtil.hash(0, _classNameId);

		return HashUtil.hash(hash, _primaryKey);
	}

	@Override
	public String toString() {
		return StringBundler.concat(
			"{classNameId=", _classNameId, ", primaryKey=", _primaryKey, "}");
	}

	private final long _classNameId;
	private final long _primaryKey;

}