| /* |
| * 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.engine.replayer; |
| |
| import java.util.Date; |
| import java.util.Map; |
| import java.util.PriorityQueue; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.Future; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.apache.ode.bpel.dao.BpelDAOConnection; |
| import org.apache.ode.bpel.iapi.ContextException; |
| import org.apache.ode.bpel.iapi.Scheduler; |
| |
| /** |
| * Manages events invocation in sorted order during replaying. |
| * |
| * @author Rafal Rusin |
| * |
| */ |
| public class ReplayerScheduler implements Scheduler { |
| private static final Logger __log = LoggerFactory.getLogger(ReplayerScheduler.class); |
| |
| public Replayer replayer; |
| |
| public static ThreadLocal<TaskElement> currentTaskElement = new ThreadLocal<TaskElement>(); |
| |
| private PriorityQueue<TaskElement> taskQueue = new PriorityQueue<TaskElement>(); |
| |
| private static class TaskElement implements Comparable<TaskElement> { |
| public final Date when; |
| public final Callable<Object> action; |
| public final ReplayerBpelRuntimeContextImpl runtimeContext; |
| |
| public TaskElement(Date when, Callable<Object> action, ReplayerBpelRuntimeContextImpl runtimeContext) { |
| super(); |
| this.when = when; |
| this.action = action; |
| this.runtimeContext = runtimeContext; |
| } |
| |
| public int compareTo(TaskElement o) { |
| return when.compareTo(o.when); |
| } |
| } |
| |
| public void scheduleReplayerJob(Callable action, Date when, ReplayerBpelRuntimeContextImpl runtimeContext) { |
| taskQueue.add(new TaskElement(when, action, runtimeContext)); |
| } |
| |
| public void cancelJob(String jobId) throws ContextException { |
| throw new IllegalStateException(); |
| } |
| |
| public <T> T execTransaction(Callable<T> transaction) throws Exception, ContextException { |
| throw new IllegalStateException(); |
| } |
| |
| public <T> T execTransaction(Callable<T> transaction, int timeout) throws Exception, ContextException { |
| throw new IllegalStateException(); |
| } |
| |
| public boolean isTransacted() { |
| return true; |
| } |
| |
| public void registerSynchronizer(Synchronizer synch) throws ContextException { |
| throw new IllegalStateException(); |
| } |
| |
| public void setJobProcessor(JobProcessor processor) throws ContextException { |
| throw new IllegalStateException(); |
| } |
| |
| public void setRollbackOnly() throws Exception { |
| throw new IllegalStateException(); |
| } |
| |
| public void shutdown() { |
| } |
| |
| public void startReplaying(Replayer replayer) throws Exception { |
| this.replayer = replayer; |
| while (!taskQueue.isEmpty()) { |
| TaskElement taskElement = taskQueue.remove(); |
| |
| try { |
| currentTaskElement.set(taskElement); |
| __log.debug("executing action at time " + taskElement.when); |
| if (taskElement.runtimeContext != null) { |
| taskElement.runtimeContext.setCurrentEventDateTime(taskElement.when); |
| } |
| taskElement.action.call(); |
| } finally { |
| currentTaskElement.set(null); |
| } |
| } |
| } |
| |
| public void stop() { |
| } |
| |
| public void start() { |
| } |
| |
| public <T> Future<T> execIsolatedTransaction(Callable<T> transaction) throws Exception, ContextException { |
| return null; |
| } |
| |
| public String scheduleMapSerializableRunnable(MapSerializableRunnable runnable, Date when) throws ContextException { |
| return null; |
| } |
| |
| public String schedulePersistedJob(final JobDetails jobDetail, final Date when1) throws ContextException { |
| final Date when = when1 == null ? currentTaskElement.get().when : when1; |
| __log.debug("schedulePersistedJob " + jobDetail + " " + when, new Exception()); |
| scheduleReplayerJob(new Callable<Void>() { |
| public Void call() throws Exception { |
| replayer.handleJobDetails(jobDetail, when); |
| return null; |
| } |
| }, when, null); |
| |
| return null; |
| } |
| |
| public void setPolledRunnableProcesser(JobProcessor polledRunnableProcessor) { |
| } |
| |
| public String scheduleVolatileJob(boolean transacted, JobDetails jobDetail, Date when) throws ContextException { |
| // TODO Auto-generated method stub |
| __log.debug("scheduleVolatileJob"); |
| return null; |
| } |
| |
| public String scheduleVolatileJob(boolean transacted, JobDetails jobDetail) throws ContextException { |
| // TODO Auto-generated method stub |
| __log.debug("scheduleVolatileJob"); |
| return null; |
| } |
| |
| public void acquireTransactionLocks() { |
| // TODO Auto-generated method stub |
| |
| } |
| } |