com.sun.xml.ws.tx.at.internal.XidImpl Maven / Gradle / Ivy

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This module contains the Metro WSIT runtime code.
There is a newer version: 4.0.4
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * file that accompanied this code.
 *
 * Modifications:
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package com.sun.xml.ws.tx.at.internal;

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

/**
 *
 * @author paulparkinson
 */
public class XidImpl implements Xid, Serializable {

    int formatId;
    byte[] globalTransactionId;
    byte[] branchQual;

    public XidImpl(Xid xid) {
        this.formatId= xid.getFormatId();
        this.globalTransactionId = xid.getGlobalTransactionId();
        this.branchQual = xid.getBranchQualifier();
    }

    public XidImpl(int formatId, byte[] globalTransactionId, byte[] branchQual) {
        this.formatId= formatId;
        this.globalTransactionId = globalTransactionId;
        this.branchQual = branchQual;
    }

    public XidImpl(byte[] globalTransactionId) {
        this(1234, globalTransactionId, new byte[]{});
    }

    public XidImpl(byte[] globalTransactionId, int formatId) {
        this(formatId, globalTransactionId, new byte[]{});
    }

    public int getFormatId() {
        return formatId;
    }

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

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

    @Override
    public int hashCode() {
        int pos = 0;
        byte[] array = globalTransactionId;
        return (short) (((array[pos++] &0xFF) << 8) | (array[pos] &0xFF));
    }

    @Override
    public boolean equals(Object obj) {
    if (obj == this) return true;
    if (obj == null || !(obj instanceof Xid)) return false;
    Xid thatXid = (Xid) obj;
        final boolean formatId = getFormatId() == thatXid.getFormatId();
        final boolean gtrid = Arrays.equals(getGlobalTransactionId(), thatXid.getGlobalTransactionId());
        final boolean branchqual = Arrays.equals(getBranchQualifier(), thatXid.getBranchQualifier());
    return
        formatId &&
        gtrid &&
        branchqual;
  }






}