Java JobExecutor类代码示例

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
public void schedule(TimerEntity timer) {
  Date duedate = timer.getDuedate();
  if (duedate==null) {
    throw new ActivitiException("duedate is null");
  }
  
  CommandContext commandContext = Context.getCommandContext();
  
  commandContext
    .getDbSqlSession()
    .insert(timer);
  
  // Check if this timer fires before the next time the job executor will check for new timers to fire.
  // This is highly unlikely because normally waitTimeInMillis is 5000 (5 seconds)
  // and timers are usually set further in the future
  
  JobExecutor jobExecutor = Context.getProcessEngineConfiguration().getJobExecutor();
  int waitTimeInMillis = jobExecutor.getWaitTimeInMillis();
  if (duedate.getTime() < (ClockUtil.getCurrentTime().getTime()+waitTimeInMillis)) {
    // then notify the job executor.
    commandContext
      .getTransactionContext()
      .addTransactionListener(TransactionState.COMMITTED, new MessageAddedNotification(jobExecutor));
  }
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
public static void waitForJobExecutorToProcessAllJobs(ProcessEngineConfigurationImpl processEngineConfiguration, long maxMillisToWait, long intervalMillis) {
  JobExecutor jobExecutor = processEngineConfiguration.getJobExecutor();
  jobExecutor.start();

  try {
    Timer timer = new Timer();
    InteruptTask task = new InteruptTask(Thread.currentThread());
    timer.schedule(task, maxMillisToWait);
    boolean areJobsAvailable = true;
    try {
      while (areJobsAvailable && !task.isTimeLimitExceeded()) {
        Thread.sleep(intervalMillis);
        areJobsAvailable = areJobsAvailable(processEngineConfiguration);
      }
    } catch (InterruptedException e) {
    } finally {
      timer.cancel();
    }
    if (areJobsAvailable) {
      throw new ActivitiException("time limit of " + maxMillisToWait + " was exceeded");
    }

  } finally {
    jobExecutor.shutdown();
  }
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
public void waitForJobExecutorToProcessAllJobs(long maxMillisToWait, long intervalMillis) {
  JobExecutor jobExecutor = processEngineConfiguration.getJobExecutor();
  jobExecutor.start();

  try {
    Timer timer = new Timer();
    InteruptTask task = new InteruptTask(Thread.currentThread());
    timer.schedule(task, maxMillisToWait);
    boolean areJobsAvailable = true;
    try {
      while (areJobsAvailable && !task.isTimeLimitExceeded()) {
        Thread.sleep(intervalMillis);
        areJobsAvailable = areJobsAvailable();
      }
    } catch (InterruptedException e) {
    } finally {
      timer.cancel();
    }
    if (areJobsAvailable) {
      throw new ActivitiException("time limit of " + maxMillisToWait + " was exceeded");
    }

  } finally {
    jobExecutor.shutdown();
  }
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
public Object execute(CommandContext commandContext) {
  JobEntity job = Context
    .getCommandContext()
    .getJobManager()
    .findJobById(jobId);
  job.setRetries(job.getRetries() - 1);
  job.setLockOwner(null);
  job.setLockExpirationTime(null);
  
  if(exception != null) {
    job.setExceptionMessage(exception.getMessage());
    job.setExceptionStacktrace(getExceptionStacktrace());
  }
  
  JobExecutor jobExecutor = Context.getProcessEngineConfiguration().getJobExecutor();
  MessageAddedNotification messageAddedNotification = new MessageAddedNotification(jobExecutor);
  TransactionContext transactionContext = commandContext.getTransactionContext();
  transactionContext.addTransactionListener(TransactionState.COMMITTED, messageAddedNotification);
  
  return null;
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
public void schedule(TimerEntity timer) {
  Date duedate = timer.getDuedate();
  if (duedate==null) {
    throw new ActivitiException("duedate is null");
  }
  
  CommandContext commandContext = Context.getCommandContext();
  
  commandContext
    .getDbSqlSession()
    .insert(timer);
  
  // Check if this timer fires before the next time the job executor will check for new timers to fire.
  // This is highly unlikely because normally waitTimeInMillis is 5000 (5 seconds)
  // and timers are usually set further in the future
  
  JobExecutor jobExecutor = Context.getProcessEngineConfiguration().getJobExecutor();
  int waitTimeInMillis = jobExecutor.getWaitTimeInMillis();
  if (duedate.getTime() < (ClockUtil.getCurrentTime().getTime()+waitTimeInMillis)) {
    hintJobExecutor(timer);
  }
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
public void schedule(TimerEntity timer) {
  Date duedate = timer.getDuedate();
  if (duedate==null) {
    throw new ActivitiIllegalArgumentException("duedate is null");
  }

  timer.insert();
  
  // Check if this timer fires before the next time the job executor will check for new timers to fire.
  // This is highly unlikely because normally waitTimeInMillis is 5000 (5 seconds)
  // and timers are usually set further in the future
  
  JobExecutor jobExecutor = Context.getProcessEngineConfiguration().getJobExecutor();
  int waitTimeInMillis = jobExecutor.getWaitTimeInMillis();
  if (duedate.getTime() < (ClockUtil.getCurrentTime().getTime()+waitTimeInMillis)) {
    hintJobExecutor(timer);
  }
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
public Object execute(CommandContext commandContext) {
  JobEntity job = Context
    .getCommandContext()
    .getJobEntityManager()
    .findJobById(jobId);
  job.setRetries(job.getRetries() - 1);
  job.setLockOwner(null);
  job.setLockExpirationTime(null);
  
  if(exception != null) {
    job.setExceptionMessage(exception.getMessage());
    job.setExceptionStacktrace(getExceptionStacktrace());
  }
  
  JobExecutor jobExecutor = Context.getProcessEngineConfiguration().getJobExecutor();
  MessageAddedNotification messageAddedNotification = new MessageAddedNotification(jobExecutor);
  TransactionContext transactionContext = commandContext.getTransactionContext();
  transactionContext.addTransactionListener(TransactionState.COMMITTED, messageAddedNotification);
  
  return null;
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
public void send(MessageEntity message) {
  CommandContext commandContext = Context.getCommandContext();
  
  commandContext
    .getDbSqlSession()
    .insert(message);
  
  
  JobExecutor jobExecutor = Context.getProcessEngineConfiguration().getJobExecutor();
  commandContext
    .getTransactionContext()
    .addTransactionListener(TransactionState.COMMITTED, new MessageAddedNotification(jobExecutor));
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
public void run() {
  try {
    JobExecutor jobExecutor = processEngineConfiguration.getJobExecutor();
    processEngineConfiguration
      .getCommandExecutorTxRequired()
      .execute(new ControlledCommand(activeThread, new AcquireJobsCmd(jobExecutor)));

  } catch (ActivitiOptimisticLockingException e) {
    this.exception = e;
  }
  log.fine(getName()+" ends");
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
public void testJobCommandsWithMessage() {
  CommandExecutor commandExecutor = processEngineConfiguration.getCommandExecutorTxRequired();
  JobExecutor jobExecutor = processEngineConfiguration.getJobExecutor();
  String jobId = commandExecutor.execute(new Command<String>() {

    public String execute(CommandContext commandContext) {
      MessageEntity message = createTweetMessage("i'm coding a test");
      commandContext.getJobManager().send(message);
      return message.getId();
    }
  });

  AcquiredJobs acquiredJobs = commandExecutor.execute(new AcquireJobsCmd(jobExecutor));
  List<List<String>> jobIdsList = acquiredJobs.getJobIdsList();
  assertEquals(1, jobIdsList.size());

  List<String> jobIds = jobIdsList.get(0);

  List<String> expectedJobIds = new ArrayList<String>();
  expectedJobIds.add(jobId);

  assertEquals(expectedJobIds, new ArrayList<String>(jobIds));
  assertEquals(0, tweetHandler.getMessages().size());

  commandExecutor.execute(new ExecuteJobsCmd(jobId));

  assertEquals("i'm coding a test", tweetHandler.getMessages().get(0));
  assertEquals(1, tweetHandler.getMessages().size());
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
public void testJobCommandsWithTimer() {
  // clock gets automatically reset in LogTestCase.runTest
  ClockUtil.setCurrentTime(new Date(SOME_TIME));

  CommandExecutor commandExecutor = processEngineConfiguration.getCommandExecutorTxRequired();
  JobExecutor jobExecutor = processEngineConfiguration.getJobExecutor();

  String jobId = commandExecutor.execute(new Command<String>() {

    public String execute(CommandContext commandContext) {
      TimerEntity timer = createTweetTimer("i'm coding a test", new Date(SOME_TIME + (10 * SECOND)));
      commandContext.getJobManager().schedule(timer);
      return timer.getId();
    }
  });

  AcquiredJobs acquiredJobs = commandExecutor.execute(new AcquireJobsCmd(jobExecutor));
  List<List<String>> jobIdsList = acquiredJobs.getJobIdsList();
  assertEquals(0, jobIdsList.size());

  List<String> expectedJobIds = new ArrayList<String>();

  ClockUtil.setCurrentTime(new Date(SOME_TIME + (20 * SECOND)));

  acquiredJobs = commandExecutor.execute(new AcquireJobsCmd(jobExecutor));
  jobIdsList = acquiredJobs.getJobIdsList();
  assertEquals(1, jobIdsList.size());

  List<String> jobIds = jobIdsList.get(0);

  expectedJobIds.add(jobId);
  assertEquals(expectedJobIds, new ArrayList<String>(jobIds));

  assertEquals(0, tweetHandler.getMessages().size());

  commandExecutor.execute(new ExecuteJobsCmd(jobId));

  assertEquals("i'm coding a test", tweetHandler.getMessages().get(0));
  assertEquals(1, tweetHandler.getMessages().size());
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
private void moveByMinutes(int minutes) throws Exception {
  ClockUtil.setCurrentTime(new Date(ClockUtil.getCurrentTime().getTime() + ((minutes * 60 * 1000) + 5000)));
  JobExecutor jobExecutor = processEngineConfiguration.getJobExecutor();
  jobExecutor.start();
  Thread.sleep(1000);

  jobExecutor.shutdown();
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
private void moveByHours(int hours) throws Exception {
  ClockUtil.setCurrentTime(new Date(ClockUtil.getCurrentTime().getTime() + ((hours * 60 * 1000 * 60) + 5000)));
  JobExecutor jobExecutor = processEngineConfiguration.getJobExecutor();
  jobExecutor.start();
  Thread.sleep(1000);
  jobExecutor.shutdown();
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
public void testJobCommandsWithMessage() {
  CommandExecutor commandExecutor = processEngineConfiguration.getCommandExecutorTxRequired();
  JobExecutor jobExecutor = processEngineConfiguration.getJobExecutor();
  String jobId = commandExecutor.execute(new Command<String>() {

    public String execute(CommandContext commandContext) {
      MessageEntity message = createTweetMessage("i'm coding a test");
      commandContext.getJobManager().send(message);
      return message.getId();
    }
  });

  AcquiredJobs acquiredJobs = commandExecutor.execute(new AcquireJobsCmd(jobExecutor));
  List<List<String>> jobIdsList = acquiredJobs.getJobIdBatches();
  assertEquals(1, jobIdsList.size());

  List<String> jobIds = jobIdsList.get(0);

  List<String> expectedJobIds = new ArrayList<String>();
  expectedJobIds.add(jobId);

  assertEquals(expectedJobIds, new ArrayList<String>(jobIds));
  assertEquals(0, tweetHandler.getMessages().size());

  commandExecutor.execute(new ExecuteJobsCmd(jobId));

  assertEquals("i'm coding a test", tweetHandler.getMessages().get(0));
  assertEquals(1, tweetHandler.getMessages().size());
}
 

import org.activiti.engine.impl.jobexecutor.JobExecutor; //导入依赖的package包/类
public void testJobCommandsWithTimer() {
  // clock gets automatically reset in LogTestCase.runTest
  ClockUtil.setCurrentTime(new Date(SOME_TIME));

  CommandExecutor commandExecutor = processEngineConfiguration.getCommandExecutorTxRequired();
  JobExecutor jobExecutor = processEngineConfiguration.getJobExecutor();

  String jobId = commandExecutor.execute(new Command<String>() {

    public String execute(CommandContext commandContext) {
      TimerEntity timer = createTweetTimer("i'm coding a test", new Date(SOME_TIME + (10 * SECOND)));
      commandContext.getJobManager().schedule(timer);
      return timer.getId();
    }
  });

  AcquiredJobs acquiredJobs = commandExecutor.execute(new AcquireJobsCmd(jobExecutor));
  List<List<String>> jobIdsList = acquiredJobs.getJobIdBatches();
  assertEquals(0, jobIdsList.size());

  List<String> expectedJobIds = new ArrayList<String>();

  ClockUtil.setCurrentTime(new Date(SOME_TIME + (20 * SECOND)));

  acquiredJobs = commandExecutor.execute(new AcquireJobsCmd(jobExecutor));
  jobIdsList = acquiredJobs.getJobIdBatches();
  assertEquals(1, jobIdsList.size());

  List<String> jobIds = jobIdsList.get(0);

  expectedJobIds.add(jobId);
  assertEquals(expectedJobIds, new ArrayList<String>(jobIds));

  assertEquals(0, tweetHandler.getMessages().size());

  commandExecutor.execute(new ExecuteJobsCmd(jobId));

  assertEquals("i'm coding a test", tweetHandler.getMessages().get(0));
  assertEquals(1, tweetHandler.getMessages().size());
}