| /* |
| * 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.ode.bpel.scheduler.quartz; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.quartz.Scheduler; |
| import org.quartz.SchedulerException; |
| import org.quartz.core.JobRunShell; |
| import org.quartz.core.JobRunShellFactory; |
| import org.quartz.core.SchedulingContext; |
| |
| import javax.transaction.Status; |
| import javax.transaction.SystemException; |
| import javax.transaction.TransactionManager; |
| |
| /** |
| * A riff on the Quartz JTA implementation that dispenses with the use |
| * of the UserTransaction interface, and instead goes direct to the source, |
| * the TransactionManager. |
| * |
| */ |
| public class JTAJobRunShell extends JobRunShell { |
| |
| protected final Log __log = LogFactory.getLog(getClass()); |
| |
| /* |
| * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| * |
| * Data members. |
| * |
| * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| */ |
| |
| private final TransactionManager _txm; |
| |
| /** |
| * <p> |
| * Create a JTAJobRunShell instance with the given settings. |
| * </p> |
| */ |
| public JTAJobRunShell(JobRunShellFactory jobRunShellFactory, |
| Scheduler scheduler, SchedulingContext schdCtxt, |
| TransactionManager tm) { |
| super(jobRunShellFactory, scheduler, schdCtxt); |
| if (tm == null) |
| throw new NullPointerException("Null transaction manager."); |
| _txm = tm; |
| |
| } |
| |
| /* |
| * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| * |
| * Interface. |
| * |
| * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| */ |
| |
| protected void begin() throws SchedulerException { |
| try { |
| if (__log.isDebugEnabled()) __log.debug("Starting transaction."); |
| _txm.begin(); |
| } catch (Exception nse) { |
| |
| throw new SchedulerException( |
| "JTAJobRunShell could not start UserTransaction.", nse); |
| } |
| } |
| |
| protected void complete(boolean successfulExecution) |
| throws SchedulerException { |
| |
| if (_txm == null) return; |
| |
| try { |
| if (_txm.getStatus() == Status.STATUS_MARKED_ROLLBACK) { |
| log.debug("UserTransaction marked for rollback only."); |
| successfulExecution = false; |
| } |
| } catch (SystemException e) { |
| throw new SchedulerException( |
| "JTAJobRunShell could not read UserTransaction status.", e); |
| } |
| |
| if (successfulExecution) { |
| try { |
| if (__log.isDebugEnabled()) __log.debug("Commiting transaction."); |
| _txm.commit(); |
| } catch (Exception nse) { |
| throw new SchedulerException( |
| "JTAJobRunShell could not commit UserTransaction.", nse); |
| } |
| } else { |
| try { |
| if (__log.isDebugEnabled()) __log.debug("Rollbacking transaction."); |
| _txm.rollback(); |
| } catch (Exception nse) { |
| throw new SchedulerException( |
| "JTAJobRunShell could not rollback UserTransaction.", |
| nse); |
| } |
| } |
| |
| |
| } |
| |
| |
| } |