Java JobScheduler类代码示例

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
private static void cancelAndRestartDaemonLater(@NotNull ProgressIndicator progress,
                                                @NotNull final Project project) throws ProcessCanceledException {
  progress.cancel();
  JobScheduler.getScheduler().schedule(new Runnable() {

    @Override
    public void run() {
      Application application = ApplicationManager.getApplication();
      if (!project.isDisposed() && !application.isDisposed() && !application.isUnitTestMode()) {
        ApplicationManager.getApplication().invokeLater(new Runnable() {
          @Override
          public void run() {
            DaemonCodeAnalyzer.getInstance(project).restart();
          }
        }, project.getDisposed());
      }
    }
  }, RESTART_DAEMON_RANDOM.nextInt(100), TimeUnit.MILLISECONDS);
  throw new ProcessCanceledException();
}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
public LocalFileSystemImpl(@NotNull ManagingFS managingFS) {
  myManagingFS = managingFS;
  myWatcher = new FileWatcher(myManagingFS);
  if (myWatcher.isOperational()) {
    final int PERIOD = 1000;
    Runnable runnable = new Runnable() {
      public void run() {
        final Application application = ApplicationManager.getApplication();
        if (application == null || application.isDisposed()) return;
        storeRefreshStatusToFiles();
        JobScheduler.getScheduler().schedule(this, PERIOD, TimeUnit.MILLISECONDS);
      }
    };
    JobScheduler.getScheduler().schedule(runnable, PERIOD, TimeUnit.MILLISECONDS);
  }
}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
public void openFatals(@Nullable final LogMessage message) {
  if (myDialog != null) return;
  if (myOpeningInProgress) return;
  myOpeningInProgress = true;

  final Runnable task = new Runnable() {
    public void run() {
      if (isOtherModalWindowActive()) {
        if (myDialog == null) {
          JobScheduler.getScheduler().schedule(this, (long)300, TimeUnit.MILLISECONDS);
        }
        return;
      }

      try {
        _openFatals(message);
      }
      finally {
        myOpeningInProgress = false;
      }
    }
  };

  task.run();
}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
private synchronized void startBlinker() {
  if (myBlinker != null) {
    return;
  }

  myBlinker = JobScheduler.getScheduler().scheduleWithFixedDelay(new Runnable() {
    boolean enabled = false;

    @Override
    public void run() {
      myIcon.setLayerEnabled(0, enabled);
      myIcon.setLayerEnabled(1, false);
      myIcon.setLayerEnabled(2, !enabled);
      repaint();
      enabled = !enabled;
    }
  }, 1, 1, TimeUnit.SECONDS);
}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
@NotNull
private ScheduledFuture<?> startBackgroundIndicatorPing() {
  return JobScheduler.getScheduler().scheduleWithFixedDelay(new Runnable() {
    @Override
    public void run() {
      for (ProgressIndicator indicator : nonStandardIndicators) {
        try {
          indicator.checkCanceled();
        }
        catch (ProcessCanceledException e) {
          indicatorCanceled(indicator);
        }
      }
    }
  }, 0, CHECK_CANCELED_DELAY_MILLIS, TimeUnit.MILLISECONDS);
}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
private void queueChange(VirtualFile vf) {
  // Since we are working with VirtualFile, they are not necessarily part of the project.
  // Check that the file is in the import roots as a proxy for belonging to the project
  // (alternatively check if it's under the workspace root?).
  if (vf == null || !vf.isValid() || !isInImportRoots(vf)) {
    return;
  }
  queuedFiles.add(vf);
  if (!flushIsQueued.compareAndSet(false, true)) {
    return;
  }
  @SuppressWarnings("unused") // go/futurereturn-lsc
  Future<?> possiblyIgnoredError =
      JobScheduler.getScheduler()
          .schedule(
              () ->
                  ApplicationManager.getApplication()
                      .invokeLater(this::flushQueue, ModalityState.NON_MODAL),
              DELAY_TIME_MS,
              TimeUnit.MILLISECONDS);
}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
/** Main run function. */
@Override
public void run() {
    if (future != null && !future.isCancelled() && !future.isDone()) {
        return;
    }
    if (leading) {
        task.run();
    }
    future = JobScheduler.getScheduler().scheduleWithFixedDelay(new Runnable() {
        @Override
        public void run() {
            task.run();
            if (++attempt >= maxAttempts || trailingTask) {
                trailing = false;
                if (future != null) {
                    future.cancel(false);
                }
            }
        }
    }, delay, delay, TimeUnit.MILLISECONDS);
}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
public void openFatals(@Nullable final LogMessage message) {
  if (myDialog != null) return;
  if (myOpeningInProgress) return;
  myOpeningInProgress = true;

  final Runnable task = new Runnable() {
    @Override
    public void run() {
      if (isOtherModalWindowActive()) {
        if (myDialog == null) {
          JobScheduler.getScheduler().schedule(this, (long)300, TimeUnit.MILLISECONDS);
        }
        return;
      }

      try {
        _openFatals(message);
      }
      finally {
        myOpeningInProgress = false;
      }
    }
  };

  task.run();
}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
/**
 * @return task if not yet executed
 */
@Nullable
private Runnable cancel() {
  synchronized (LOCK) {
    if (myFuture != null) {
      myFuture.cancel(false);
      // TODO Use java.util.concurrent.ScheduledThreadPoolExecutor.setRemoveOnCancelPolicy(true) when on jdk 1.7
      ((ScheduledThreadPoolExecutor)JobScheduler.getScheduler()).remove((Runnable)myFuture);
      myFuture = null;
    }
    Runnable task = myTask;
    myTask = null;
    return task;
  }
}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
private void scheduleNextRepaint() {
  if (myScheduledFuture != null && !myScheduledFuture.isDone()) {
    myScheduledFuture.cancel(false);
  }
  myCalendar.setTimeInMillis(System.currentTimeMillis());
  myScheduledFuture = JobScheduler.getScheduler().schedule(new Runnable() {
    @Override
    public void run() {
      UIUtil.invokeLaterIfNeeded(myRepaintRunnable);
    }
  }, 60 - myCalendar.get(SECOND), TimeUnit.SECONDS);
}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
public MemoryUsagePanel() {
  setOpaque(false);
  setFocusable(false);

  addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent e) {
      System.gc();
      updateState();
    }
  });

  setBorder(StatusBarWidget.WidgetBorder.INSTANCE);
  updateUI();

  new UiNotifyConnector(this, new Activatable() {
    private ScheduledFuture<?> myFuture;

    @Override
    public void showNotify() {
      myFuture = JobScheduler.getScheduler().scheduleWithFixedDelay(new Runnable() {
        public void run() {
          if (isDisplayable()) {
            updateState();
          }
        }
      }, 1, 5, TimeUnit.SECONDS);
    }

    @Override
    public void hideNotify() {
      if (myFuture != null) {
        myFuture.cancel(true);
        myFuture = null;
      }
    }
  });

}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
private void updateRefreshTimer() {
  cancelRefreshTimer();
  if (myState.isRefreshEnabled()) {
    myRefresnRunnable = new MyRefreshRunnable(this);
    // if "schedule with fixed rate" is used, then after waking up from stand-by mode, events are generated for inactive period
    // it does not make sense
    myFuture = JobScheduler.getScheduler().scheduleWithFixedDelay(myRefresnRunnable,
                                                               myState.getRefreshInterval()*60, myState.getRefreshInterval()*60,
                                                               TimeUnit.SECONDS);
  }
}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
private void checkAndOpenPageLater(@NotNull final HostAndPort hostAndPort, final int attemptNumber, int delayMillis) {
  JobScheduler.getScheduler().schedule(new Runnable() {
    @Override
    public void run() {
      checkAndOpenPage(hostAndPort, attemptNumber);
    }
  }, delayMillis, TimeUnit.MILLISECONDS);
}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
private void openPageLater(int millis) {
  JobScheduler.getScheduler().schedule(new Runnable() {
    @Override
    public void run() {
      openPageNow();
    }
  }, millis, TimeUnit.MILLISECONDS);
}
 

import com.intellij.concurrency.JobScheduler; //导入依赖的package包/类
@Override
protected void checkCreatedProcess(@Nullable final WebBrowser browser,
                                   @Nullable final Project project,
                                   @NotNull final GeneralCommandLine commandLine,
                                   @NotNull final Process process,
                                   @Nullable final Runnable launchTask) {
  if (isOpenCommandUsed(commandLine)) {
    final Future<?> future = ApplicationManager.getApplication().executeOnPooledThread(new Runnable() {
      @Override
      public void run() {
        try {
          if (process.waitFor() == 1) {
            showError(ExecUtil.readFirstLine(process.getErrorStream(), null), browser, project, null, launchTask);
          }
        }
        catch (InterruptedException ignored) {
        }
      }
    });
    // 10 seconds is enough to start
    JobScheduler.getScheduler().schedule(new Runnable() {
      @Override
      public void run() {
        future.cancel(true);
      }
    }, 10, TimeUnit.SECONDS);
  }
}