| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| |
| package org.apache.geronimo.transaction.manager; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.TimerTask; |
| |
| import javax.transaction.HeuristicMixedException; |
| import javax.transaction.HeuristicRollbackException; |
| import javax.transaction.Status; |
| import javax.transaction.SystemException; |
| import javax.transaction.xa.XAException; |
| import javax.transaction.xa.Xid; |
| |
| import org.apache.geronimo.transaction.manager.TransactionImpl.TransactionBranch; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * @version $Rev$ $Date$ |
| */ |
| public class CommitTask implements Runnable { |
| private static final Logger log = LoggerFactory.getLogger(CommitTask.class); |
| private final Xid xid; |
| private final List<TransactionBranch> rms; |
| private final Object logMark; |
| private final RetryScheduler retryScheduler; |
| private final TransactionLog txLog; |
| private int count = 0; |
| private int status; |
| private XAException cause; |
| private boolean evercommit; |
| |
| public CommitTask(Xid xid, List<TransactionBranch> rms, Object logMark, RetryScheduler retryScheduler, TransactionLog txLog) { |
| this.xid = xid; |
| this.rms = rms; |
| this.logMark = logMark; |
| this.retryScheduler = retryScheduler; |
| this.txLog = txLog; |
| } |
| |
| @Override |
| public void run() { |
| synchronized (this) { |
| status = Status.STATUS_COMMITTING; |
| } |
| for (Iterator i = rms.iterator(); i.hasNext();) { |
| TransactionBranch manager = (TransactionBranch) i.next(); |
| try { |
| try { |
| manager.getCommitter().commit(manager.getBranchId(), false); |
| i.remove(); |
| } catch (XAException e) { |
| log.error("Unexpected exception committing " + manager.getCommitter() + "; continuing to commit other RMs", e); |
| |
| if (e.errorCode == XAException.XA_HEURRB) { |
| i.remove(); |
| log.info("Transaction has been heuristically rolled back"); |
| cause = e; |
| manager.getCommitter().forget(manager.getBranchId()); |
| } else if (e.errorCode == XAException.XA_HEURMIX) { |
| i.remove(); |
| log.info("Transaction has been heuristically committed and rolled back"); |
| cause = e; |
| evercommit = true; |
| manager.getCommitter().forget(manager.getBranchId()); |
| } else if (e.errorCode == XAException.XA_HEURCOM) { |
| i.remove(); |
| // let's not throw an exception as the transaction has been committed |
| log.info("Transaction has been heuristically committed"); |
| evercommit = true; |
| manager.getCommitter().forget(manager.getBranchId()); |
| } else if (e.errorCode == XAException.XA_RETRY) { |
| // do nothing, retry later |
| } else { |
| //nothing we can do about it.... keep trying |
| i.remove(); |
| cause = e; |
| } |
| } |
| } catch (XAException e) { |
| if (e.errorCode == XAException.XAER_NOTA) { |
| // NOTA in response to forget, means the resource already forgot the transaction |
| // ignore |
| } else { |
| cause = e; |
| } |
| } |
| } |
| //if all resources were read only, we didn't write a prepare record. |
| if (rms.isEmpty() && status == Status.STATUS_COMMITTED) { |
| try { |
| txLog.commit(xid, logMark); |
| synchronized (this) { |
| status = Status.STATUS_COMMITTED; |
| } |
| } catch (LogException e) { |
| log.error("Unexpected exception logging commit completion for xid " + xid, e); |
| cause = (XAException) new XAException("Unexpected error logging commit completion for xid " + xid).initCause(e); |
| } |
| } else { |
| retryScheduler.retry(this, count++); |
| } |
| } |
| |
| public XAException getCause() { |
| return cause; |
| } |
| |
| public boolean isEvercommit() { |
| return evercommit; |
| } |
| |
| public int getStatus() { |
| return status; |
| } |
| } |