001: /*
002: * JOnAS: Java(TM) Open Application Server
003: * Copyright (C) 1999 Bull S.A.
004: * Contact: jonas-team@objectweb.org
005: *
006: * This library is free software; you can redistribute it and/or
007: * modify it under the terms of the GNU Lesser General Public
008: * License as published by the Free Software Foundation; either
009: * version 2.1 of the License, or any later version.
010: *
011: * This library is distributed in the hope that it will be useful,
012: * but WITHOUT ANY WARRANTY; without even the implied warranty of
013: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014: * Lesser General Public License for more details.
015: *
016: * You should have received a copy of the GNU Lesser General Public
017: * License along with this library; if not, write to the Free Software
018: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
019: * USA
020: *
021: * --------------------------------------------------------------------------
022: * $Id: RMEImpl.java 6661 2005-04-28 08:43:27Z benoitf $
023: * --------------------------------------------------------------------------
024: */
025:
026: package org.objectweb.jonas.resource;
027:
028: import javax.resource.ResourceException;
029: import javax.transaction.Transaction;
030: import javax.transaction.RollbackException;
031: import javax.transaction.SystemException;
032: import org.objectweb.transaction.jta.ResourceManagerEvent;
033: import org.objectweb.util.monolog.api.BasicLevel;
034: import org.objectweb.util.monolog.api.Logger;
035:
036: /**
037: * This class implements ResourceManagerEvent. An instance of this object is
038: * also an event transmited by the Resource adapter manager to the user
039: * transaction. This event is linked to a ManagedConnection, more exatcly this
040: * implementation is linked to MCInfo instance.
041: *
042: *@author sebastien.chassande@inrialpes.fr
043: */
044: class RMEImpl implements ResourceManagerEvent {
045: /**
046: * The MCInfo instance which represents the physical connection
047: */
048: private MCInfo mci = null;
049: /**
050: * The Logger instance where messages are written.
051: */
052: private Logger trace = null;
053: /**
054: * Set if the RME is valid to call enlist Resource
055: * Issue with JOTM and one thread calling ConnectionOpened, but a
056: * different thread calling Closed or Error and not enough information
057: * in JOTM to keep information straight.
058: */
059: protected boolean isValid = false;
060:
061: /**
062: * This constructor permits to specify the MCInfp corresponding to the
063: * ManagedConnection (the physical connection).
064: *
065: * @param mci MCInfo
066: * @param trace Logger
067: */
068: public RMEImpl(MCInfo mci, Logger trace) {
069: this .mci = mci;
070: this .trace = trace;
071: }
072:
073: /**
074: * Check if equals
075: * @param o Object to test equality
076: * @return boolean if RMEImpl objets are equal
077: */
078: public boolean equals(Object o) {
079: return (o instanceof RMEImpl) && mci.equals(((RMEImpl) o).mci);
080: }
081:
082: /**
083: * This method is in charge of the enlisting of the managedConnection linked
084: * to this instance, in the transaction specified in parameter.
085: * @param tx TransactionConnection
086: * @throws SystemException if an Exception occurs
087: */
088: public void enlistConnection(Transaction tx) throws SystemException {
089: try {
090: if (isValid) {
091: if (trace.isLoggable(BasicLevel.DEBUG)) {
092: trace.log(BasicLevel.DEBUG,
093: "Enlist the XA Resource "
094: + mci.getXAResource() + " in Tx:"
095: + tx);
096: }
097: tx.enlistResource(mci.getXAResource());
098: }
099: } catch (RollbackException rbe) {
100: throw new SystemException(rbe.getMessage());
101: } catch (ResourceException re) {
102: throw new SystemException(re.getMessage());
103: }
104: }
105: }
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