Examples of com.google.enterprise.connector.util.diffing.CheckpointAndChangeQueue.start()

Package com.google.enterprise.connector.util.diffing

Class com.google.enterprise.connector.util.diffing.CheckpointAndChangeQueue

Examples of com.google.enterprise.connector.util.diffing.CheckpointAndChangeQueue.start()

com.google.enterprise.connector.util.diffing.CheckpointAndChangeQueue.start()
Initialize to start processing from after the passed in checkpoint or from the beginning if the passed in checkpoint is null. Part of making DocumentSnapshotRepositoryMonitorManager go from "cold" to "warm".

  public void testReStart() throws IOException {
    ChangeSource changeSource = new MockChangeSource(6);
    CheckpointAndChangeQueue q = new CheckpointAndChangeQueue(changeSource,
        persistDir, internalFactory, clientFactory);
    q.setMaximumQueueSize(2);
    q.start(null);
    List<CheckpointAndChange> firstBatch = q.resume(null);
    String checkpoint = firstBatch.get(1).getCheckpoint().toString();
    List<CheckpointAndChange> secondBatch = q.resume(checkpoint);
    q.start(null);
    assertTrue(0 == persistDir.listFiles().length);

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    q.setMaximumQueueSize(2);
    q.start(null);
    List<CheckpointAndChange> firstBatch = q.resume(null);
    String checkpoint = firstBatch.get(1).getCheckpoint().toString();
    List<CheckpointAndChange> secondBatch = q.resume(checkpoint);
    q.start(null);
    assertTrue(0 == persistDir.listFiles().length);
    List<CheckpointAndChange> firstBatchAgain = q.resume(null);
    assertEquals(firstBatch, firstBatchAgain);
  }

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    ChangeSource changeSource = new MockChangeSource(NUM_RESUME_CALLS * 3);
    CheckpointAndChangeQueue q = new CheckpointAndChangeQueue(changeSource,
        persistDir, internalFactory, clientFactory);
    q.setMaximumQueueSize(2);
    String checkpoint = null;
    q.start(checkpoint);
    for (int i = 0; i < NUM_RESUME_CALLS; i++) {
       List<CheckpointAndChange> batch = q.resume(checkpoint);
       checkpoint = batch.get(1).getCheckpoint().toString();
       assertTrue(1 >= persistDir.listFiles().length);
    }

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    }));
    CheckpointAndChangeQueue q = new CheckpointAndChangeQueue(changeSource,
        persistDir, internalFactory, clientFactory);
    q.setMaximumQueueSize(2);
    String checkpoint = null;
    q.start(checkpoint);


    List<CheckpointAndChange> batch = q.resume(checkpoint);
    Map<String, MonitorCheckpoint> monPoints = q.getMonitorRestartPoints();
    assertEquals(2, monPoints.size());
    assertTrue(monPoints.containsKey(MON_A));

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    }));
    CheckpointAndChangeQueue q = new CheckpointAndChangeQueue(changeSource,
        persistDir, internalFactory, clientFactory);
    q.setMaximumQueueSize(15);
    String checkpoint = null;
    q.start(checkpoint);
    List<CheckpointAndChange> batch = q.resume(checkpoint);
    Map<String, MonitorCheckpoint> monPoints = q.getMonitorRestartPoints();
    assertEquals(5, monPoints.size());
    assertTrue(monPoints.containsKey(MON_A));
    assertTrue(monPoints.containsKey(MON_B));

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    { /* Make recovery file that finishes 2nd batch. */
      ChangeSource changeSource = new MockChangeSource(6);
      CheckpointAndChangeQueue q = new CheckpointAndChangeQueue(changeSource,
          persistDirSeed, internalFactory, clientFactory);
      q.setMaximumQueueSize(2);
      q.start(checkpoint);
      List<CheckpointAndChange> firstBatch = q.resume(checkpoint);
      checkpoint = firstBatch.get(1).getCheckpoint().toString();
      List<CheckpointAndChange> secondBatch = q.resume(checkpoint);
      checkpoint = secondBatch.get(1).getCheckpoint().toString();
      q.resume(checkpoint);

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    ChangeSource changeSource = new MockChangeSource(6);
    CheckpointAndChangeQueue q = new CheckpointAndChangeQueue(changeSource,
        persistDir, internalFactory, clientFactory);
    q.setMaximumQueueSize(2);
    q.start(checkpoint);
    // Note: It's important that q.resume(checkpoint) is not called.
    // That is start(checkpoint) loads the persisted monitor state.
    assertEquals(monPoints, q.getMonitorRestartPoints());
  }

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    { /* Make recovery file that finishes 2nd batch. */
      ChangeSource changeSource = new MockChangeSource(6);
      CheckpointAndChangeQueue q = new CheckpointAndChangeQueue(changeSource,
          persistDirSeed, internalFactory, clientFactory);
      q.setMaximumQueueSize(2);
      q.start(checkpoint);
      List<CheckpointAndChange> firstBatch = q.resume(checkpoint);
      checkpoint = firstBatch.get(1).getCheckpoint().toString();
      List<CheckpointAndChange> secondBatch = q.resume(checkpoint);
      checkpoint = secondBatch.get(0).getCheckpoint().toString();
      q.resume(checkpoint);

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    ChangeSource changeSource = new MockChangeSource(6);
    CheckpointAndChangeQueue q = new CheckpointAndChangeQueue(changeSource,
        persistDir, internalFactory, clientFactory);
    q.setMaximumQueueSize(2);
    q.start(checkpoint);
    // Note: It's important that q.resume(checkpoint) is not called.
    // That is start(checkpoint) loads the persisted monitor state.
    assertEquals(monPoints, q.getMonitorRestartPoints());
  }

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