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

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

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

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

com.google.enterprise.connector.util.diffing.CheckpointAndChangeQueue.resume()
Returns an {@link Iterator} for currently available{@link CheckpointAndChange} objects that occur after the passed incheckpoint. The {@link String} form of a {@link DiffingConnectorCheckpoint}passed in is produced by calling {@link DiffingConnectorCheckpoint#toString()}. As a side effect, Objects up to and including the object with the passed in checkpoint are removed from this queue. @param checkpointString null means return all {@link CheckpointAndChange}objects and a non null value means to return {@link CheckpointAndChange} objects with checkpoints after thepassed in value. @throws IOException if error occurs while manipulating recovery state

      ChangeSource changeSource = new MockChangeSource(6);
      CheckpointAndChangeQueue q = new CheckpointAndChangeQueue(changeSource,
          persistDirA, 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);
      checkpoint = secondBatch.get(1).getCheckpoint().toString();
      q.resume(checkpoint);
      File recoveryFile = persistDirA.listFiles()[0];

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          persistDirA, 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);
      checkpoint = secondBatch.get(1).getCheckpoint().toString();
      q.resume(checkpoint);
      File recoveryFile = persistDirA.listFiles()[0];
      recoveryFile.renameTo(new File(persistDir, recoveryFile.getName()));
    }

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      q.start(null);
      List<CheckpointAndChange> firstBatch = q.resume(null);
      String checkpoint = firstBatch.get(1).getCheckpoint().toString();
      List<CheckpointAndChange> secondBatch = q.resume(checkpoint);
      checkpoint = secondBatch.get(1).getCheckpoint().toString();
      q.resume(checkpoint);
      File recoveryFile = persistDirA.listFiles()[0];
      recoveryFile.renameTo(new File(persistDir, recoveryFile.getName()));
    }


    List<CheckpointAndChange> secondBatch;

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      ChangeSource changeSource = new MockChangeSource(6);
      CheckpointAndChangeQueue q = new CheckpointAndChangeQueue(changeSource,
          persistDirB, internalFactory, clientFactory);
      q.setMaximumQueueSize(2);
      q.start(null);
      List<CheckpointAndChange> firstBatch = q.resume(null);
      checkpoint = firstBatch.get(1).getCheckpoint().toString();
      secondBatch = q.resume(checkpoint);
      File recoveryFile = persistDirB.listFiles()[0];
      recoveryFile.renameTo(new File(persistDir, recoveryFile.getName()));
    }

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          persistDirB, internalFactory, clientFactory);
      q.setMaximumQueueSize(2);
      q.start(null);
      List<CheckpointAndChange> firstBatch = q.resume(null);
      checkpoint = firstBatch.get(1).getCheckpoint().toString();
      secondBatch = q.resume(checkpoint);
      File recoveryFile = persistDirB.listFiles()[0];
      recoveryFile.renameTo(new File(persistDir, recoveryFile.getName()));
    }


    ChangeSource changeSource = new MockChangeSource(6);

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    ChangeSource changeSource = new MockChangeSource(6);
    CheckpointAndChangeQueue q = new CheckpointAndChangeQueue(changeSource,
        persistDir, internalFactory, clientFactory);
    q.setMaximumQueueSize(2);
    q.start(checkpoint);
    List<CheckpointAndChange> secondBatchAgain = q.resume(checkpoint);
    assertEquals(secondBatch, secondBatchAgain);
    assertTrue(deleteDir(persistDirA));
    assertTrue(deleteDir(persistDirB));
  }

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      ChangeSource changeSource = new MockChangeSource(6);
      CheckpointAndChangeQueue q = new CheckpointAndChangeQueue(changeSource,
          persistDirAux, internalFactory, clientFactory);
      q.setMaximumQueueSize(2);
      q.start(null);
      List<CheckpointAndChange> firstBatch = q.resume(null);
      checkpoint = firstBatch.get(1).getCheckpoint().toString();
      secondBatch = q.resume(checkpoint);
      File recoveryFile = persistDirAux.listFiles()[0];
      recoveryFile.renameTo(new File(persistDir, recoveryFile.getName()));
    }

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          persistDirAux, internalFactory, clientFactory);
      q.setMaximumQueueSize(2);
      q.start(null);
      List<CheckpointAndChange> firstBatch = q.resume(null);
      checkpoint = firstBatch.get(1).getCheckpoint().toString();
      secondBatch = q.resume(checkpoint);
      File recoveryFile = persistDirAux.listFiles()[0];
      recoveryFile.renameTo(new File(persistDir, recoveryFile.getName()));
    }


    File persistFile = new File(persistDir, "recovery." + System.nanoTime());

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    ChangeSource changeSource = new MockChangeSource(6);
    CheckpointAndChangeQueue q = new CheckpointAndChangeQueue(changeSource,
        persistDir, internalFactory, clientFactory);
    q.setMaximumQueueSize(2);
    q.start(checkpoint);
    List<CheckpointAndChange> secondBatchAgain = q.resume(checkpoint);
    assertEquals(secondBatch, secondBatchAgain);


    assertTrue(deleteDir(persistDirAux));
  }

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    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);
    List<CheckpointAndChange> firstBatchAgain = q.resume(null);

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