com.sun.xml.ws.tx.at.internal.XidImpl Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
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 {
private static final long serialVersionUID = -8107817796881726995L;
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[]{});
}
@Override
public int getFormatId() {
return formatId;
}
@Override
public byte[] getGlobalTransactionId() {
return globalTransactionId;
}
@Override
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;
}
}