/*
 *
 * MariaDB Client for Java
 *
 * Copyright (c) 2012-2014 Monty Program Ab.
 * Copyright (c) 2015-2017 MariaDB Ab.
 *
 * 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.
 *
 * You should have received a copy of the GNU Lesser General Public License along
 * with this library; if not, write to Monty Program Ab info@montyprogram.com.
 *
 * This particular MariaDB Client for Java file is work
 * derived from a Drizzle-JDBC. Drizzle-JDBC file which is covered by subject to
 * the following copyright and notice provisions:
 *
 * Copyright (c) 2009-2011, Marcus Eriksson
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this list
 * of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice, this
 * list of conditions and the following disclaimer in the documentation and/or
 * other materials provided with the distribution.
 *
 * Neither the name of the driver nor the names of its contributors may not be
 * used to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS  AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 */


package org.mariadb.jdbc;

import javax.transaction.xa.Xid;
import java.util.Arrays;


public class MariaDbXid implements Xid {
    private final int formatId;
    private final byte[] globalTransactionId;
    private final byte[] branchQualifier;

    /**
     * Global transaction identifier.
     *
     * @param formatId            the format identifier part of the XID.
     * @param globalTransactionId the global transaction identifier part of XID as an array of bytes.
     * @param branchQualifier     the transaction branch identifier part of XID as an array of bytes.
     */
    public MariaDbXid(int formatId, byte[] globalTransactionId, byte[] branchQualifier) {
        this.formatId = formatId;
        this.globalTransactionId = globalTransactionId;
        this.branchQualifier = branchQualifier;
    }


    /**
     * Equal implementation.
     *
     * @param obj object to compare
     * @return true if object is MariaDbXi and as same parameters
     */
    public boolean equals(Object obj) {
        if (obj instanceof Xid) {
            Xid other = (Xid) obj;
            return formatId == other.getFormatId()
                    && Arrays.equals(globalTransactionId, other.getGlobalTransactionId())
                    && Arrays.equals(branchQualifier, other.getBranchQualifier());

        }
        return false;
    }

    public int getFormatId() {
        return formatId;
    }

    public byte[] getGlobalTransactionId() {
        return globalTransactionId;
    }

    public byte[] getBranchQualifier() {
        return branchQualifier;
    }

}
