Ejemplo n.º 1
0
  @Override
  public void onApplicationStop() {

    List<Class> jobs = Play.classloader.getAssignableClasses(Job.class);

    for (final Class clazz : jobs) {
      // @OnApplicationStop
      if (clazz.isAnnotationPresent(OnApplicationStop.class)) {
        try {
          Job<?> job = ((Job<?>) clazz.newInstance());
          scheduledJobs.add(job);
          job.run();
          if (job.wasError) {
            if (job.lastException != null) {
              throw job.lastException;
            }
            throw new RuntimeException("@OnApplicationStop Job has failed");
          }
        } catch (InstantiationException e) {
          throw new UnexpectedException("Job could not be instantiated", e);
        } catch (IllegalAccessException e) {
          throw new UnexpectedException("Job could not be instantiated", e);
        } catch (Throwable ex) {
          if (ex instanceof PlayException) {
            throw (PlayException) ex;
          }
          throw new UnexpectedException(ex);
        }
      }
    }

    executor.shutdownNow();
    executor.getQueue().clear();
  }
 protected boolean isGraphBuilt(final boolean allowBackgroundContinuation)
     throws InterruptedException {
   if (!isGraphBuilt()) {
     s_logger.info("Building dependency graph");
     do {
       final Job job = createConstructionJob();
       _activeJobCount.incrementAndGet();
       synchronized (_activeJobs) {
         if (!_cancelled) {
           _activeJobs.add(job);
         } else {
           throw new CancellationException();
         }
       }
       job.run();
       synchronized (_activeJobs) {
         if (!_runQueue.isEmpty()) {
           // more jobs in the queue so keep going
           continue;
         }
       }
       if (allowBackgroundContinuation) {
         // Nothing in the queue for us so take a nap. There are background threads running and
         // maybe items on the deferred queue.
         s_logger.info("Waiting for background threads");
         Thread.sleep(100);
       } else {
         return false;
       }
     } while (!isGraphBuilt());
   }
   return true;
 }
Ejemplo n.º 3
0
  public void readline() {
    term.readline(
        "% ",
        line -> {
          if (line == null) {
            // EOF
            term.close();
            return;
          }

          List<CliToken> tokens = CliToken.tokenize(line);

          if (tokens.stream().filter(CliToken::isText).count() == 0) {
            // For now do like this
            ShellImpl.this.readline();
            return;
          }

          Optional<CliToken> first = tokens.stream().filter(CliToken::isText).findFirst();
          if (first.isPresent()) {
            String name = first.get().value();
            switch (name) {
              case "exit":
              case "logout":
                term.close();
                return;
              case "jobs":
                jobController
                    .jobs()
                    .forEach(
                        job -> {
                          String statusLine = statusLine(job, job.status()) + "\n";
                          term.write(statusLine);
                        });
                readline();
                return;
              case "fg":
                {
                  Job job = findJob();
                  if (job == null) {
                    term.write("no such job\n");
                    readline();
                  } else {
                    if (job.status() == ExecStatus.STOPPED) {
                      job.resume(true);
                    } else {
                      job.toForeground();
                    }
                  }
                  return;
                }
              case "bg":
                {
                  Job job = findJob();
                  if (job == null) {
                    term.write("no such job\n");
                    readline();
                  } else {
                    if (job.status() == ExecStatus.STOPPED) {
                      job.resume(false);
                      term.echo(statusLine(job, ExecStatus.RUNNING) + "\n");
                      readline();
                    } else {
                      term.write("job " + job.id() + " already in background\n");
                      readline();
                    }
                  }
                  return;
                }
            }
          }

          Job job;
          try {
            job = createJob(tokens);
          } catch (Exception e) {
            term.echo(e.getMessage() + "\n");
            readline();
            return;
          }
          job.setTty(term);
          job.setSession(session);
          job.statusUpdateHandler(
              status -> {
                if (status == ExecStatus.RUNNING && job == jobController.foregroundJob()) {
                  term.echo(job.line() + "\n");
                }
              });
          job.run();
        },
        completion -> {
          commandManager.complete(completion);
        });
  }
Ejemplo n.º 4
0
  @Override
  public void afterApplicationStart() {
    List<Class<?>> jobs = new ArrayList<Class<?>>();
    for (Class clazz : Play.classloader.getAllClasses()) {
      if (Job.class.isAssignableFrom(clazz)) {
        jobs.add(clazz);
      }
    }
    scheduledJobs = new ArrayList<Job>();
    for (final Class<?> clazz : jobs) {
      // @OnApplicationStart
      if (clazz.isAnnotationPresent(OnApplicationStart.class)) {
        // check if we're going to run the job sync or async
        OnApplicationStart appStartAnnotation = clazz.getAnnotation(OnApplicationStart.class);
        if (!appStartAnnotation.async()) {
          // run job sync
          try {
            Job<?> job = ((Job<?>) clazz.newInstance());
            scheduledJobs.add(job);
            job.run();
            if (job.wasError) {
              if (job.lastException != null) {
                throw job.lastException;
              }
              throw new RuntimeException("@OnApplicationStart Job has failed");
            }
          } catch (InstantiationException e) {
            throw new UnexpectedException("Job could not be instantiated", e);
          } catch (IllegalAccessException e) {
            throw new UnexpectedException("Job could not be instantiated", e);
          } catch (Throwable ex) {
            if (ex instanceof PlayException) {
              throw (PlayException) ex;
            }
            throw new UnexpectedException(ex);
          }
        } else {
          // run job async
          try {
            Job<?> job = ((Job<?>) clazz.newInstance());
            scheduledJobs.add(job);
            // start running job now in the background
            @SuppressWarnings("unchecked")
            Callable<Job> callable = (Callable<Job>) job;
            executor.submit(callable);
          } catch (InstantiationException ex) {
            throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
          } catch (IllegalAccessException ex) {
            throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
          }
        }
      }

      // @On
      if (clazz.isAnnotationPresent(On.class)) {
        try {
          Job<?> job = ((Job<?>) clazz.newInstance());
          scheduledJobs.add(job);
          scheduleForCRON(job);
        } catch (InstantiationException ex) {
          throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
        } catch (IllegalAccessException ex) {
          throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
        }
      }
      // @Every
      if (clazz.isAnnotationPresent(Every.class)) {
        try {
          Job job = (Job) clazz.newInstance();
          scheduledJobs.add(job);
          String value = job.getClass().getAnnotation(Every.class).value();
          if (value.startsWith("cron.")) {
            value = Play.configuration.getProperty(value);
          }
          value = Expression.evaluate(value, value).toString();
          if (!"never".equalsIgnoreCase(value)) {
            executor.scheduleWithFixedDelay(
                job, Time.parseDuration(value), Time.parseDuration(value), TimeUnit.SECONDS);
          }
        } catch (InstantiationException ex) {
          throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
        } catch (IllegalAccessException ex) {
          throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
        }
      }
    }
  }
Ejemplo n.º 5
0
 @Override
 public void afterApplicationStart() {
   List<Class> jobs = new ArrayList();
   for (Class clazz : Play.classloader.getAllClasses()) {
     if (Job.class.isAssignableFrom(clazz)) {
       jobs.add(clazz);
     }
   }
   scheduledJobs = new ArrayList();
   for (final Class clazz : jobs) {
     // @OnApplicationStart
     if (clazz.isAnnotationPresent(OnApplicationStart.class)) {
       try {
         Job job = ((Job) clazz.newInstance());
         scheduledJobs.add(job);
         job.run();
         if (job.wasError) {
           if (job.lastException != null) {
             throw job.lastException;
           }
           throw new RuntimeException("@OnApplicationStart Job has failed");
         }
       } catch (InstantiationException e) {
         throw new UnexpectedException("Job could not be instantiated", e);
       } catch (IllegalAccessException e) {
         throw new UnexpectedException("Job could not be instantiated", e);
       } catch (Throwable ex) {
         if (ex instanceof PlayException) {
           throw (PlayException) ex;
         }
         throw new UnexpectedException(ex);
       }
     }
     // @On
     if (clazz.isAnnotationPresent(On.class)) {
       try {
         Job job = ((Job) clazz.newInstance());
         scheduledJobs.add(job);
         scheduleForCRON(job);
       } catch (InstantiationException ex) {
         throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
       } catch (IllegalAccessException ex) {
         throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
       }
     }
     // @Every
     if (clazz.isAnnotationPresent(Every.class)) {
       try {
         Job job = (Job) clazz.newInstance();
         scheduledJobs.add(job);
         String value = ((Every) (job.getClass().getAnnotation(Every.class))).value();
         executor.scheduleWithFixedDelay(
             job, Time.parseDuration(value), Time.parseDuration(value), TimeUnit.SECONDS);
       } catch (InstantiationException ex) {
         throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
       } catch (IllegalAccessException ex) {
         throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
       }
     }
   }
 }