Examples of org.jbpm.pvm.internal.cmd.CommandService

org.jbpm.pvm.internal.cmd.CommandService
abstract extensible session facade. Developers can use this directly or extend one of the implementations with custom methods. Developers should be encouraged to use this interface as it will be kept more stable then direct usage of the API (which is still allowed). All the method implementations should be based on commands. Each of the method implementations will have a environment block. Then the command is executed and the environment is passed into the command.

  }


  public Object parse(Element element, Parse parse, Parser parser) {
    CommandServiceDescriptor commandServiceDescriptor = new CommandServiceDescriptor();


    CommandService commandService = getCommandService(element, parse, parser);
    commandServiceDescriptor.setCommandService(commandService);
    
    List<Element> interceptorElements = XmlUtil.elements(element);
    for (Element interceptorElement : interceptorElements) {
      Descriptor interceptorDescriptor = (Descriptor) parser.parseElement(interceptorElement, parse, WireParser.CATEGORY_INTERCEPTOR);

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    if (isTransactional) {
      Environment environment = Environment.getCurrent();
      Transaction transaction = (environment!=null ? environment.get(Transaction.class) : null);
      if (transaction!=null) {
        log.trace("registering exception handler to "+transaction);
        CommandService commandService = environment.get(CommandService.class);
        if (commandService==null) {
          throw new JbpmException("environment doesn't have a command service for registering transactional exception handler", exception);
        }
        ExceptionHandlerSynchronization exceptionHandlerSynchronization = new ExceptionHandlerSynchronization(
                this, execution,

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    if (userId!=null) {
      environment.setUserId(userId);
    }
    try {
      CommandService commandService = environment.get(CommandService.class);
      commandService.execute(command);
    } finally {
      if (userId!=null) {
        environment.setUserId(null);
      }
    }

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      }
    }
  }


  protected Collection<Long> acquireJobs() {
    CommandService commandService = jobExecutor.getCommandExecutor();
    Command<Collection<Long>> acquireJobsCommand = jobExecutor.getAcquireJobsCommand();
    return commandService.execute(acquireJobsCommand);
  }

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    Command<Collection<Long>> acquireJobsCommand = jobExecutor.getAcquireJobsCommand();
    return commandService.execute(acquireJobsCommand);
  }


  protected Date getNextDueDate() {
    CommandService commandService = jobExecutor.getCommandExecutor();
    Command<Date> getNextDueDate = jobExecutor.getNextDueDateCommand();
    return commandService.execute(getNextDueDate);
  }

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  CommandService commandService;
  List<Descriptor> interceptorDescriptors;


  public Object construct(WireContext wireContext) {
    CommandService interceptedCommandService = commandService;
    if (interceptorDescriptors!=null) {
      for (int i=interceptorDescriptors.size()-1 ; i>=0; i--) {
        Descriptor descriptor = interceptorDescriptors.get(i);
        Interceptor interceptor = (Interceptor) descriptor.construct(wireContext);
        interceptor.setNext(interceptedCommandService);

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            Collection<Long> jobDbids = null;
            jobDbids = queue.take();
            log.debug("took job(s) "+jobDbids+" from queue");


            for (Long jobDbid: jobDbids) {
              CommandService commandService = jobExecutor.getCommandExecutor();
              commandService.execute(new ExecuteJobCmd(jobDbid));
            }
          } catch (InterruptedException e) {
            log.trace("waiting for acquired jobs got interrupted");
          } catch (Exception e) {
            log.error("exception in job executor thread", e);

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    }
  } */


  public <T> T execute(Command<T> command) {
    log.info("Execute " + command);
    CommandService cmd = processEngine.get(CommandService.class);
    return cmd.execute(command);
  }

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    if (userId!=null) {
      environment.setAuthenticatedUserId(userId);
    }
    try {
      CommandService commandService = environment.get(CommandService.class);
      commandService.execute(command);
    } finally {
      if (userId!=null) {
        environment.setAuthenticatedUserId(null);
      }
    }

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  CommandService commandService;
  List<Descriptor> interceptorDescriptors;


  public Object construct(WireContext wireContext) {
    CommandService interceptedCommandService = commandService;
    if (interceptorDescriptors!=null) {
      for (int i=interceptorDescriptors.size()-1 ; i>=0; i--) {
        Descriptor descriptor = interceptorDescriptors.get(i);
        Interceptor interceptor = (Interceptor) descriptor.construct(wireContext);
        interceptor.setNext(interceptedCommandService);

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Related Classes of org.jbpm.pvm.internal.cmd.CommandService

org.jbpm.enterprise.internal.ejb.CommandExecutorSLSB

org.jbpm.pvm.internal.jobexecutor.DispatcherThread

org.jbpm.pvm.internal.jobexecutor.JobExecutorThread

org.jbpm.pvm.internal.model.ExceptionHandlerImpl

org.jbpm.pvm.internal.svc.AsyncCommandMessage

org.jbpm.pvm.internal.wire.binding.CommandServiceBinding

org.jbpm.pvm.internal.wire.descriptor.CommandServiceDescriptor

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