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/*
* $Id$
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2018 OpenLink Software
*
* This project is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; only version 2 of the License, dated June 1991.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
package virtuoso.jdbc2;
import java.util.ArrayList;
import java.util.HashMap;
import javax.transaction.xa.XAException;
import javax.transaction.xa.Xid;
class XAResourceManager {
private String serverName;
private int portNumber;
#if JDK_VER >= 16
private HashMap<VirtuosoXid,XATransaction> transactions = new HashMap<VirtuosoXid,XATransaction>();
private static ArrayList<XAResourceManager> managers = new ArrayList<XAResourceManager>();
#else
private HashMap transactions = new HashMap();
private static ArrayList managers = new ArrayList();
#endif
private XAResourceManager(String serverName, int portNumber) {
if (VirtuosoFuture.rpc_log != null)
{
VirtuosoFuture.rpc_log.println ("new XAResourceManager (serverName=" + serverName + ", portNumber=" + portNumber + ") :" + hashCode());
}
this.serverName = serverName;
this.portNumber = portNumber;
}
static synchronized XAResourceManager getManager(
String serverName,
int portNumber) {
if (VirtuosoFuture.rpc_log != null)
{
VirtuosoFuture.rpc_log.println ("XAResourceManager.getManager (serverName=" + serverName + ", portNumber=" + portNumber + ")");
}
XAResourceManager manager;
for (int i = 0; i < managers.size(); i++) {
manager = (XAResourceManager) managers.get(i);
if (manager.serverName == serverName && manager.portNumber == portNumber) {
return manager;
}
}
manager = new XAResourceManager(serverName, portNumber);
managers.add(manager);
return manager;
}
XATransaction createTransaction(Xid xid, int status) throws XAException {
XATransaction transaction = null;
if (VirtuosoFuture.rpc_log != null)
{
VirtuosoFuture.rpc_log.println ("XAResourceManager.createTransaction (xid=" + xid.hashCode() + ", status=" + status + ") :" + hashCode());
}
VirtuosoXid vxid = new VirtuosoXid(xid);
synchronized (transactions) {
if (transactions.containsKey(vxid) && status != XATransaction.PREPARED) {
throw new XAException (XAException.XAER_DUPID);
} else {
transaction = new XATransaction(vxid, status);
transactions.put(vxid, transaction);
}
}
return transaction;
}
void removeTransaction(Xid xid) throws XAException {
if (VirtuosoFuture.rpc_log != null)
{
VirtuosoFuture.rpc_log.println ("XAResourceManager.removeTransaction (xid=" + xid.hashCode() + ") :" + hashCode());
}
VirtuosoXid vxid = new VirtuosoXid(xid);
synchronized (transactions) {
transactions.remove(vxid);
}
}
XATransaction getTransaction(Xid xid) throws XAException {
if (VirtuosoFuture.rpc_log != null)
{
VirtuosoFuture.rpc_log.println ("XAResourceManager.getTransaction (xid=" + xid.hashCode() + ") :" + hashCode());
}
XATransaction transaction;
VirtuosoXid vxid = new VirtuosoXid(xid);
synchronized (transactions) {
transaction = (XATransaction) transactions.get(vxid);
}
if (transaction == null)
throw new XAException(XAException.XAER_NOTA);
return transaction;
}
}
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