如何从Quartz作业访问EJB [英] How to access EJB from a Quartz Job

问题描述

好吧，我正在使用Quartz计划我的应用程序中需要的一些工作。但是，我需要某种方式来访问我的Job上的有状态SessionBean。我知道我无法使用@EJB注入它。谁能帮我？
谢谢。

Well, I'm using Quartz to schedule some jobs that I need in my application. But, I need some way to access a Stateful SessionBean on my Job. I knew that I can't inject it with @EJB. Can anyone help me? Thanks.

推荐答案

我使用EJB3InvokerJob来调用EJB的方法。然后，我创建了扩展EJB3InvokerJob的作业，放置了应调用的EJB和方法的参数，然后调用了super.execute（）。

I used the EJB3InvokerJob to invoke the methods of my EJB. Then I created my jobs that extends the EJB3InvokerJob, put the parameters of what EJB and method it should call and then call the super.execute().

EJB3InvokerJob可以是在此处找到： http://jira.opensymphony.com/secure/attachment/13356/ EJB3InvokerJob.java

The EJB3InvokerJob can be found here: http://jira.opensymphony.com/secure/attachment/13356/EJB3InvokerJob.java

我的工作看起来像这样：

My Job is looking like this:

public class BuscaSistecJob extends EJB3InvokerJob implements Job{

    private final Logger logger = Logger.getLogger(this.getClass());

    @Override
    public void execute(JobExecutionContext jobExecutionContext) throws JobExecutionException {
    JobDataMap dataMap = jobExecutionContext.getMergedJobDataMap();
    dataMap.put(EJB_JNDI_NAME_KEY, "java:app/JobService");
    dataMap.put(EJB_INTERFACE_NAME_KEY, "br.org.cni.pronatec.controller.service.JobServiceLocal");
    dataMap.put(EJB_METHOD_KEY, "buscaSistec");
    Object[] arguments = new Object[1];
    arguments[0] = jobExecutionContext.getTrigger().getStartTime();
    dataMap.put(EJB_ARGS_KEY, arguments);
    Class[] argumentTypes = new Class[1];
    argumentTypes[0] = Date.class;
    dataMap.put(EJB_ARG_TYPES_KEY, argumentTypes);

    super.execute(jobExecutionContext);
    }

}

我的EJB是这样的：

And my EJB is like this:

@Stateless
@EJB(name="java:app/JobService", beanInterface=JobServiceLocal.class)
public class JobService implements JobServiceLocal {

    @PersistenceContext
    private EntityManager entityManager;

    @Resource
    private UserTransaction userTransaction;

    @Override
    public void buscaSistec(Date dataAgendamento) {
    // Do something
    }

我希望可以帮助某人。

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