| /* |
| * 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.List; |
| |
| 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.ReturnableTransactionBranch; |
| 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 TransactionManagerImpl txManager; |
| private int count = 0; |
| private int status; |
| private XAException cause; |
| private boolean evercommit; |
| |
| public CommitTask(Xid xid, List<TransactionBranch> rms, Object logMark, TransactionManagerImpl txManager) { |
| this.xid = xid; |
| this.rms = rms; |
| this.logMark = logMark; |
| this.txManager = txManager; |
| } |
| |
| @Override |
| public void run() { |
| synchronized (this) { |
| status = Status.STATUS_COMMITTING; |
| } |
| for (int index = 0; index < rms.size(); ) { |
| TransactionBranch manager = rms.get(index); |
| try { |
| try { |
| manager.getCommitter().commit(manager.getBranchId(), false); |
| remove(index); |
| evercommit = true; |
| } catch (XAException e) { |
| log.error("Unexpected exception committing " + manager.getCommitter() + "; continuing to commit other RMs", e); |
| |
| if (e.errorCode == XAException.XA_HEURRB) { |
| remove(index); |
| log.info("Transaction has been heuristically rolled back"); |
| cause = e; |
| manager.getCommitter().forget(manager.getBranchId()); |
| } else if (e.errorCode == XAException.XA_HEURMIX) { |
| remove(index); |
| 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) { |
| remove(index); |
| // 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 |
| index++; |
| } else if (e.errorCode == XAException.XAER_RMFAIL) { |
| //refresh the xa resource from the NamedXAResourceFactory |
| if (manager.getCommitter() instanceof NamedXAResource) { |
| String xaResourceName = manager.getResourceName(); |
| NamedXAResourceFactory namedXAResourceFactory = txManager.getNamedXAResourceFactory(xaResourceName); |
| if (namedXAResourceFactory != null) { |
| try { |
| TransactionBranch newManager = new ReturnableTransactionBranch(manager.getBranchXid(), namedXAResourceFactory); |
| remove(index); |
| rms.add(index, newManager); |
| //loop will try this one again immediately. |
| } catch (SystemException e1) { |
| //try again later |
| index++; |
| } |
| } else { |
| //else hope NamedXAResourceFactory reappears soon. |
| index++; |
| } |
| } else { |
| //no hope |
| remove(index); |
| cause = e; |
| } |
| } else { |
| //at least RMERR, which we can do nothing about |
| //nothing we can do about it.... keep trying |
| remove(index); |
| 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()) { |
| try { |
| txManager.getTransactionLog().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 { |
| synchronized (this) { |
| status = Status.STATUS_UNKNOWN; |
| } |
| txManager.getRetryScheduler().retry(this, count++); |
| } |
| } |
| |
| private void remove(int index) { |
| TransactionBranch manager = rms.remove(index); |
| if (manager instanceof ReturnableTransactionBranch) { |
| ((ReturnableTransactionBranch)manager).returnXAResource(); |
| } |
| } |
| |
| public XAException getCause() { |
| return cause; |
| } |
| |
| public boolean isEvercommit() { |
| return evercommit; |
| } |
| |
| public int getStatus() { |
| return status; |
| } |
| |
| } |