Examples of org.quartz.JobListener

org.quartz.JobListener

The interface to be implemented by classes that want to be informed when a {@link org.quartz.JobDetail} executes. In general, applications that use a Scheduler will not have use for this mechanism.
@see Scheduler @see Job @see JobExecutionContext @see JobExecutionException @see TriggerListener @author James House

                .getJobListenerNames());


        // notify all job listeners
        java.util.Iterator itr = jobListeners.iterator();
        while (itr.hasNext()) {
            JobListener jl = (JobListener) itr.next();
            try {
                jl.jobExecutionVetoed(jec);
            } catch (Exception e) {
                SchedulerException se = new SchedulerException(
                        "JobListener '" + jl.getName() + "' threw exception: "
                        + e.getMessage(), e);
                se.setErrorCode(SchedulerException.ERR_JOB_LISTENER);
                throw se;
            }
        }

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                .getJobListenerNames());


        // notify all job listeners
        java.util.Iterator itr = jobListeners.iterator();
        while (itr.hasNext()) {
            JobListener jl = (JobListener) itr.next();
            try {
                jl.jobWasExecuted(jec, je);
            } catch (Exception e) {
                SchedulerException se = new SchedulerException(
                        "JobListener '" + jl.getName() + "' threw exception: "
                                + e.getMessage(), e);
                se.setErrorCode(SchedulerException.ERR_JOB_LISTENER);
                throw se;
            }
        }

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                initException = new SchedulerException(
                        "JobListener class not specified for listener '"
                                + jobListenerNames[i] + "'");
                throw initException;
            }
            JobListener listener = null;
            try {
                listener = (JobListener)
                       loadHelper.loadClass(listenerClass).newInstance();
            } catch (Exception e) {
                initException = new SchedulerException(
                        "JobListener class '" + listenerClass
                                + "' could not be instantiated.", e);
                throw initException;
            }
            try {
                Method nameSetter = null;
                try { 
                    nameSetter = listener.getClass().getMethod("setName", strArg);
                }
                catch(NoSuchMethodException ignore) { 
                    /* do nothing */ 
                }
                if(nameSetter != null) {
                    nameSetter.invoke(listener, new Object[] {jobListenerNames[i] } );
                }
                setBeanProps(listener, lp);
            } catch (Exception e) {
                initException = new SchedulerException(
                        "JobListener '" + listenerClass
                                + "' props could not be configured.", e);
                throw initException;
            }
            jobListeners[i] = listener;
        }


        // Set up any TriggerListeners
        // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


        String[] triggerListenerNames = cfg.getPropertyGroups(PROP_TRIGGER_LISTENER_PREFIX);
        TriggerListener[] triggerListeners = new TriggerListener[triggerListenerNames.length];
        for (int i = 0; i < triggerListenerNames.length; i++) {
            Properties lp = cfg.getPropertyGroup(PROP_TRIGGER_LISTENER_PREFIX + "."
                    + triggerListenerNames[i], true);


            String listenerClass = lp.getProperty(PROP_LISTENER_CLASS, null);


            if (listenerClass == null) {
                initException = new SchedulerException(
                        "TriggerListener class not specified for listener '"
                                + triggerListenerNames[i] + "'");
                throw initException;
            }
            TriggerListener listener = null;
            try {
                listener = (TriggerListener)
                       loadHelper.loadClass(listenerClass).newInstance();
            } catch (Exception e) {
                initException = new SchedulerException(
                        "TriggerListener class '" + listenerClass
                                + "' could not be instantiated.", e);
                throw initException;
            }
            try {
                Method nameSetter = null;
                try { 
                    nameSetter = listener.getClass().getMethod("setName", strArg);
                }
                catch(NoSuchMethodException ignore) { /* do nothing */ }
                if(nameSetter != null) {
                    nameSetter.invoke(listener, new Object[] {triggerListenerNames[i] } );
                }

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   }


   public JobListener getGlobalJobListener(String name) throws Exception
   {
      List listener;
      JobListener jlistener;
      listener = scheduler_.getGlobalJobListeners();
      ListIterator iterator = listener.listIterator();
      while (iterator.hasNext())
      {
         jlistener = (JobListener)iterator.next();
         if (jlistener.getName().equals(name))
         {
            return jlistener;
         }
      }
      return null;

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      return null;
   }


   public boolean removeGlobalJobListener(String name) throws Exception
   {
      JobListener jlistener = getGlobalJobListener(name);
      boolean b = scheduler_.removeGlobalJobListener(jlistener);
      return b;
   }

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    }


    public boolean removeListener(String listenerName) {
        Iterator<JobListener> itr = listeners.iterator();
        while(itr.hasNext()) {
            JobListener jl = itr.next();
            if(jl.getName().equals(listenerName)) {
                itr.remove();
                return true;
            }
        }
        return false;

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    public void jobToBeExecuted(JobExecutionContext context) {


        Iterator<JobListener> itr = listeners.iterator();
        while(itr.hasNext()) {
            JobListener jl = itr.next();
            jl.jobToBeExecuted(context);
        }
    }

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    public void jobExecutionVetoed(JobExecutionContext context) {


        Iterator<JobListener> itr = listeners.iterator();
        while(itr.hasNext()) {
            JobListener jl = itr.next();
            jl.jobExecutionVetoed(context);
        }
    }

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    public void jobWasExecuted(JobExecutionContext context, JobExecutionException jobException) {


        Iterator<JobListener> itr = listeners.iterator();
        while(itr.hasNext()) {
            JobListener jl = itr.next();
            jl.jobWasExecuted(context, jobException);
        }
    }

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      return scheduler_.getGlobalJobListeners();
   }


   public JobListener getGlobalJobListener(String name) throws Exception
   {
      JobListener jlistener;
      List listener = scheduler_.getGlobalJobListeners();
      ListIterator iterator = listener.listIterator();
      while (iterator.hasNext())
      {
         jlistener = (JobListener)iterator.next();
         if (jlistener.getName().equals(name))
         {
            return jlistener;
         }
      }
      return null;

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