Package io.druid.indexing.common

Examples of io.druid.indexing.common.TaskLock

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      boolean removed = false;

      if(dsRunning != null) {
        final TaskLockPosse taskLockPosse = dsRunning.get(interval);
        if(taskLockPosse != null) {
          final TaskLock taskLock = taskLockPosse.getTaskLock();

          // Remove task from live list
          log.info("Removing task[%s] from TaskLock[%s]", task.getId(), taskLock.getGroupId());
          removed = taskLockPosse.getTaskIds().remove(task.getId());

          if (taskLockPosse.getTaskIds().isEmpty()) {
            log.info("TaskLock is now empty: %s", taskLock);
            running.get(dataSource).remove(taskLock.getInterval());
          }

          if (running.get(dataSource).size() == 0) {
            running.remove(dataSource);
          }

          // Wake up blocking-lock waiters
          lockReleaseCondition.signalAll();

          // Remove lock from storage. If it cannot be removed, just ignore the failure.
          try {
            taskStorage.removeLock(task.getId(), taskLock);
          } catch(Exception e) {
            log.makeAlert(e, "Failed to clean up lock from storage")
               .addData("task", task.getId())
               .addData("dataSource", taskLock.getDataSource())
               .addData("interval", taskLock.getInterval())
               .addData("version", taskLock.getVersion())
               .emit();
          }
        }
      }
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    final Map<Long, TaskLock> taskLocks = getLocksWithIds(taskid);

    for (final Map.Entry<Long, TaskLock> taskLockWithId : taskLocks.entrySet()) {
      final long id = taskLockWithId.getKey();
      final TaskLock taskLock = taskLockWithId.getValue();

      if (taskLock.equals(taskLockToRemove)) {
        log.info("Deleting TaskLock with id[%d]: %s", id, taskLock);
        handler.removeLock(id);
      }
    }
  }
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      }

      @Override
      public TaskStatus run(TaskToolbox toolbox) throws Exception
      {
        final TaskLock myLock = Iterables.getOnlyElement(
            toolbox.getTaskActionClient()
                   .submit(new LockListAction())
        );

        final DataSegment segment = DataSegment.builder()
                                               .dataSource("ds")
                                               .interval(new Interval("2012-01-01/P1D"))
                                               .version(myLock.getVersion())
                                               .build();

        toolbox.getTaskActionClient().submit(new SegmentInsertAction(ImmutableSet.of(segment)));
        return TaskStatus.success(getId());
      }
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      }

      @Override
      public TaskStatus run(TaskToolbox toolbox) throws Exception
      {
        final TaskLock myLock = Iterables.getOnlyElement(toolbox.getTaskActionClient().submit(new LockListAction()));

        final DataSegment segment = DataSegment.builder()
                                               .dataSource("ds")
                                               .interval(new Interval("2012-01-01/P2D"))
                                               .version(myLock.getVersion())
                                               .build();

        toolbox.getTaskActionClient().submit(new SegmentInsertAction(ImmutableSet.of(segment)));
        return TaskStatus.success(getId());
      }
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      }

      @Override
      public TaskStatus run(TaskToolbox toolbox) throws Exception
      {
        final TaskLock myLock = Iterables.getOnlyElement(toolbox.getTaskActionClient().submit(new LockListAction()));

        final DataSegment segment = DataSegment.builder()
                                               .dataSource("ds")
                                               .interval(new Interval("2012-01-01/P1D"))
                                               .version(myLock.getVersion() + "1!!!1!!")
                                               .build();

        toolbox.getTaskActionClient().submit(new SegmentInsertAction(ImmutableSet.of(segment)));
        return TaskStatus.success(getId());
      }
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    final Interval interval2 = new Interval("2010-01-01T01/PT1H");

    // Sort of similar to what realtime tasks do:

    // Acquire lock for first interval
    final TaskLock lock1 = toolbox.getTaskActionClient().submit(new LockAcquireAction(interval1));
    final List<TaskLock> locks1 = toolbox.getTaskActionClient().submit(new LockListAction());

    // (Confirm lock sanity)
    Assert.assertEquals("lock1 interval", interval1, lock1.getInterval());
    Assert.assertEquals("locks1", ImmutableList.of(lock1), locks1);

    // Acquire lock for second interval
    final TaskLock lock2 = toolbox.getTaskActionClient().submit(new LockAcquireAction(interval2));
    final List<TaskLock> locks2 = toolbox.getTaskActionClient().submit(new LockListAction());

    // (Confirm lock sanity)
    Assert.assertEquals("lock2 interval", interval2, lock2.getInterval());
    Assert.assertEquals("locks2", ImmutableList.of(lock1, lock2), locks2);

    // Push first segment
    toolbox.getTaskActionClient()
           .submit(
               new SegmentInsertAction(
                   ImmutableSet.of(
                       DataSegment.builder()
                                  .dataSource("foo")
                                  .interval(interval1)
                                  .version(lock1.getVersion())
                                  .build()
                   )
               )
           );

    // Release first lock
    toolbox.getTaskActionClient().submit(new LockReleaseAction(interval1));
    final List<TaskLock> locks3 = toolbox.getTaskActionClient().submit(new LockListAction());

    // (Confirm lock sanity)
    Assert.assertEquals("locks3", ImmutableList.of(lock2), locks3);

    // Push second segment
    toolbox.getTaskActionClient()
           .submit(
               new SegmentInsertAction(
                   ImmutableSet.of(
                       DataSegment.builder()
                                  .dataSource("foo")
                                  .interval(interval2)
                                  .version(lock2.getVersion())
                                  .build()
                   )
               )
           );
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