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/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* (C) 2005-2006,
* @author JBoss Inc.
*/
/*
* Copyright (C) 2001, 2002,
*
* Hewlett-Packard Arjuna Labs,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: XAHelper.java 2342 2006-03-30 13:06:17Z $
*/
package com.arjuna.ats.jta.utils;
import javax.transaction.xa.XAException;
import javax.transaction.xa.Xid;
import com.arjuna.ats.jta.logging.jtaLogger;
import com.arjuna.ats.jta.xa.XidImple;
/**
* Some useful utility routines.
*/
public class XAHelper
{
/**
* Print a human-readable version of the XAException.
*/
public static String printXAErrorCode (XAException e)
{
if (e == null)
{
return jtaLogger.i18NLogger.get_utils_nullexception();
}
else
{
switch (e.errorCode)
{
case XAException.XA_RBROLLBACK:
return "XAException.XA_RBROLLBACK";
case XAException.XA_RBCOMMFAIL:
return "XAException.XA_RBCOMMFAIL";
case XAException.XA_RBDEADLOCK:
return "XAException.XA_RBDEADLOCK";
case XAException.XA_RBINTEGRITY:
return "XAException.XA_RBINTEGRITY";
case XAException.XA_RBOTHER:
return "XAException.XA_RBOTHER";
case XAException.XA_RBPROTO:
return "XAException.XA_RBPROTO";
case XAException.XA_RBTIMEOUT:
return "XAException.XA_RBTIMEOUT";
case XAException.XA_RBTRANSIENT:
return "XAException.XA_RBTRANSIENT";
case XAException.XA_NOMIGRATE:
return "XAException.XA_NOMIGRATE";
case XAException.XA_HEURHAZ:
return "XAException.XA_HEURHAZ";
case XAException.XA_HEURCOM:
return "XAException.XA_HEURCOM";
case XAException.XA_HEURRB:
return "XAException.XA_HEURRB";
case XAException.XA_HEURMIX:
return "XAException.XA_HEURMIX";
case XAException.XA_RDONLY:
return "XAException.XA_RDONLY";
case XAException.XAER_RMERR:
return "XAException.XAER_RMERR";
case XAException.XAER_NOTA:
return "XAException.XAER_NOTA";
case XAException.XAER_INVAL:
return "XAException.XAER_INVAL";
case XAException.XAER_PROTO:
return "XAException.XAER_PROTO";
case XAException.XAER_RMFAIL:
return "XAException.XAER_RMFAIL";
case XAException.XAER_DUPID:
return "XAException.XAER_DUPID";
case XAException.XAER_OUTSIDE:
return "XAException.XAER_OUTSIDE";
case XAException.XA_RETRY:
return "XAException.XA_RETRY";
case XAException.XAER_ASYNC:
return "XAException.XAER_ASYNC";
default:
return jtaLogger.i18NLogger.get_utils_unknownerrorcode()
+ e.errorCode;
}
}
}
/**
* Compares two Xid instances.
*
* @param x1 first Xid
* @param x2 second Xid
*
* @return true if the two instances are the same,
* false otherwise.
*/
public static boolean sameXID (Xid x1, Xid x2)
{
if (x1 == x2)
return true;
else
{
if (x1.getFormatId() == x2.getFormatId())
{
byte[] gtrid1 = x1.getGlobalTransactionId();
byte[] gtrid2 = x2.getGlobalTransactionId();
if (gtrid1.length == gtrid2.length)
{
for (int i = 0; i < gtrid1.length; i++)
{
if (gtrid1[i] != gtrid2[i])
return false;
}
}
else
return false;
byte[] bqual1 = x1.getBranchQualifier();
final int bqual1Len = (bqual1 == null ? 0 : bqual1.length) ;
byte[] bqual2 = x2.getBranchQualifier();
final int bqual2Len = (bqual2 == null ? 0 : bqual2.length) ;
if (bqual1Len == bqual2Len)
{
for (int i = 0; i < bqual1Len; i++)
{
if (bqual1[i] != bqual2[i])
return false;
}
}
else
return false;
return true;
}
else
return false;
}
}
/**
* Compares two Xid instances at the gtid level only.
*
* @param x1 first Xid
* @param x2 second Xid
*
* @return true if the two instances are the same,
* false otherwise.
*/
public static boolean sameTransaction (Xid x1, Xid x2)
{
if (x1 == x2)
return true;
else
{
if (x1.getFormatId() == x2.getFormatId())
{
byte[] gtrid1 = x1.getGlobalTransactionId();
byte[] gtrid2 = x2.getGlobalTransactionId();
if (gtrid1.length == gtrid2.length)
{
for (int i = 0; i < gtrid1.length; i++)
{
if (gtrid1[i] != gtrid2[i])
return false;
}
return true;
}
else
return false;
}
else
return false;
}
}
/**
* get a string representing anyones Xid similar too, but not the same as
* OTS_Transaction/xa/XID.toString()
*/
public static String xidToString (Xid xid)
{
if(xid instanceof XidImple) {
// ensure consistent representation of our native XIDs in the log output.
return xid.toString();
}
byte[] gid = xid.getGlobalTransactionId();
byte[] bqual = xid.getBranchQualifier();
String toReturn = "< " + xid.getFormatId() + ", " + gid.length + ", "
+ bqual.length + ", ";
for (int i = 0; i < gid.length; i++)
toReturn += gid[i];
for (int j = 0; j < bqual.length; j++)
toReturn += bqual[j];
toReturn += " >";
return toReturn;
}
}
