org.apache.samza.zk.ZkUtils.writeData()方法的使用及代码示例

x33g5p2x  于2022-02-05 转载在 其他  
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本文整理了Java中org.apache.samza.zk.ZkUtils.writeData()方法的一些代码示例，展示了ZkUtils.writeData()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ZkUtils.writeData()方法的具体详情如下：
包路径：org.apache.samza.zk.ZkUtils
类名称：ZkUtils
方法名：writeData

ZkUtils.writeData介绍

暂无

代码示例

代码示例来源：origin: apache/samza

/**
 * Expires the barrier version by marking it as TIMED_OUT
 *
 * @param version Version associated with the Barrier
 */
public void expire(String version) {
 String barrierStatePath = keyBuilder.getBarrierStatePath(version);
 State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
 if (Objects.equals(barrierState, State.NEW)) {
  LOG.info(String.format("Expiring the barrier version: %s. Marking the barrier state: %s as %s.", version, barrierStatePath, State.TIMED_OUT));
  zkUtils.writeData(keyBuilder.getBarrierStatePath(version), State.TIMED_OUT);
 } else {
  LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", version, barrierState, State.TIMED_OUT));
 }
}

代码示例来源：origin: org.apache.samza/samza-core_2.10

/**
 * Expires the barrier version by marking it as TIMED_OUT
 *
 * @param version Version associated with the Barrier
 */
public void expire(String version) {
 String barrierStatePath = keyBuilder.getBarrierStatePath(version);
 State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
 if (Objects.equals(barrierState, State.NEW)) {
  LOG.info(String.format("Expiring the barrier version: %s. Marking the barrier state: %s as %s.", version, barrierStatePath, State.TIMED_OUT));
  zkUtils.writeData(keyBuilder.getBarrierStatePath(version), State.TIMED_OUT);
 } else {
  LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", version, barrierState, State.TIMED_OUT));
 }
}

代码示例来源：origin: org.apache.samza/samza-core_2.11

/**
 * Expires the barrier version by marking it as TIMED_OUT
 *
 * @param version Version associated with the Barrier
 */
public void expire(String version) {
 String barrierStatePath = keyBuilder.getBarrierStatePath(version);
 State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
 if (Objects.equals(barrierState, State.NEW)) {
  LOG.info(String.format("Expiring the barrier version: %s. Marking the barrier state: %s as %s.", version, barrierStatePath, State.TIMED_OUT));
  zkUtils.writeData(keyBuilder.getBarrierStatePath(version), State.TIMED_OUT);
 } else {
  LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", version, barrierState, State.TIMED_OUT));
 }
}

代码示例来源：origin: org.apache.samza/samza-core

/**
 * Expires the barrier version by marking it as TIMED_OUT
 *
 * @param version Version associated with the Barrier
 */
public void expire(String version) {
 String barrierStatePath = keyBuilder.getBarrierStatePath(version);
 State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
 if (Objects.equals(barrierState, State.NEW)) {
  LOG.info(String.format("Expiring the barrier version: %s. Marking the barrier state: %s as %s.", version, barrierStatePath, State.TIMED_OUT));
  zkUtils.writeData(keyBuilder.getBarrierStatePath(version), State.TIMED_OUT);
 } else {
  LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", version, barrierState, State.TIMED_OUT));
 }
}

代码示例来源：origin: org.apache.samza/samza-core_2.12

/**
 * Expires the barrier version by marking it as TIMED_OUT
 *
 * @param version Version associated with the Barrier
 */
public void expire(String version) {
 String barrierStatePath = keyBuilder.getBarrierStatePath(version);
 State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
 if (Objects.equals(barrierState, State.NEW)) {
  LOG.info(String.format("Expiring the barrier version: %s. Marking the barrier state: %s as %s.", version, barrierStatePath, State.TIMED_OUT));
  zkUtils.writeData(keyBuilder.getBarrierStatePath(version), State.TIMED_OUT);
 } else {
  LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", version, barrierState, State.TIMED_OUT));
 }
}

代码示例来源：origin: apache/samza

public void writeTaskLocality(TaskName taskName, LocationId locationId) {
 String taskLocalityPath = String.format("%s/%s", keyBuilder.getTaskLocalityPath(), taskName);
 validatePaths(new String[] {taskLocalityPath});
 writeData(taskLocalityPath, locationId.getId());
}

代码示例来源：origin: apache/samza

@Override
 public void doHandleChildChange(String barrierParticipantPath, List<String> participantIds) {
  if (participantIds == null) {
   LOG.info("Received notification with null participants for barrier: {}. Ignoring it.", barrierParticipantPath);
   return;
  }
  LOG.info(String.format("Current participants in barrier version: %s = %s.", barrierVersion, participantIds));
  LOG.info(String.format("Expected participants in barrier version: %s = %s.", barrierVersion, expectedParticipantIds));
  // check if all the expected participants are in
  if (participantIds.size() == expectedParticipantIds.size() && CollectionUtils.containsAll(participantIds, expectedParticipantIds)) {
   debounceTimer.scheduleAfterDebounceTime(ACTION_NAME, 0, () -> {
     String barrierStatePath = keyBuilder.getBarrierStatePath(barrierVersion);
     State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
     if (Objects.equals(barrierState, State.NEW)) {
      LOG.info(String.format("Expected participants has joined the barrier version: %s. Marking the barrier state: %s as %s.", barrierVersion, barrierStatePath, State.DONE));
      zkUtils.writeData(barrierStatePath, State.DONE); // this will trigger notifications
     } else {
      LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", barrierVersion, barrierState, State.DONE));
     }
     LOG.info("Unsubscribing child changes on the path: {} for barrier version: {}.", barrierParticipantPath, barrierVersion);
     zkUtils.unsubscribeChildChanges(barrierParticipantPath, this);
    });
  }
 }
}

代码示例来源：origin: org.apache.samza/samza-core

@Override
 public void doHandleChildChange(String barrierParticipantPath, List<String> participantIds) {
  if (participantIds == null) {
   LOG.info("Received notification with null participants for barrier: {}. Ignoring it.", barrierParticipantPath);
   return;
  }
  LOG.info(String.format("Current participants in barrier version: %s = %s.", barrierVersion, participantIds));
  LOG.info(String.format("Expected participants in barrier version: %s = %s.", barrierVersion, expectedParticipantIds));
  // check if all the expected participants are in
  if (participantIds.size() == expectedParticipantIds.size() && CollectionUtils.containsAll(participantIds, expectedParticipantIds)) {
   debounceTimer.scheduleAfterDebounceTime(ACTION_NAME, 0, () -> {
     String barrierStatePath = keyBuilder.getBarrierStatePath(barrierVersion);
     State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
     if (Objects.equals(barrierState, State.NEW)) {
      LOG.info(String.format("Expected participants has joined the barrier version: %s. Marking the barrier state: %s as %s.", barrierVersion, barrierStatePath, State.DONE));
      zkUtils.writeData(barrierStatePath, State.DONE); // this will trigger notifications
     } else {
      LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", barrierVersion, barrierState, State.DONE));
     }
     LOG.info("Unsubscribing child changes on the path: {} for barrier version: {}.", barrierParticipantPath, barrierVersion);
     zkUtils.unsubscribeChildChanges(barrierParticipantPath, this);
    });
  }
 }
}

代码示例来源：origin: org.apache.samza/samza-core_2.11

@Override
 public void doHandleChildChange(String barrierParticipantPath, List<String> participantIds) {
  if (participantIds == null) {
   LOG.info("Received notification with null participants for barrier: {}. Ignoring it.", barrierParticipantPath);
   return;
  }
  LOG.info(String.format("Current participants in barrier version: %s = %s.", barrierVersion, participantIds));
  LOG.info(String.format("Expected participants in barrier version: %s = %s.", barrierVersion, expectedParticipantIds));
  // check if all the expected participants are in
  if (participantIds.size() == expectedParticipantIds.size() && CollectionUtils.containsAll(participantIds, expectedParticipantIds)) {
   debounceTimer.scheduleAfterDebounceTime(ACTION_NAME, 0, () -> {
     String barrierStatePath = keyBuilder.getBarrierStatePath(barrierVersion);
     State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
     if (Objects.equals(barrierState, State.NEW)) {
      LOG.info(String.format("Expected participants has joined the barrier version: %s. Marking the barrier state: %s as %s.", barrierVersion, barrierStatePath, State.DONE));
      zkUtils.writeData(barrierStatePath, State.DONE); // this will trigger notifications
     } else {
      LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", barrierVersion, barrierState, State.DONE));
     }
     LOG.info("Unsubscribing child changes on the path: {} for barrier version: {}.", barrierParticipantPath, barrierVersion);
     zkUtils.unsubscribeChildChanges(barrierParticipantPath, this);
    });
  }
 }
}

代码示例来源：origin: org.apache.samza/samza-core_2.12

@Override
 public void doHandleChildChange(String barrierParticipantPath, List<String> participantIds) {
  if (participantIds == null) {
   LOG.info("Received notification with null participants for barrier: {}. Ignoring it.", barrierParticipantPath);
   return;
  }
  LOG.info(String.format("Current participants in barrier version: %s = %s.", barrierVersion, participantIds));
  LOG.info(String.format("Expected participants in barrier version: %s = %s.", barrierVersion, expectedParticipantIds));
  // check if all the expected participants are in
  if (participantIds.size() == expectedParticipantIds.size() && CollectionUtils.containsAll(participantIds, expectedParticipantIds)) {
   debounceTimer.scheduleAfterDebounceTime(ACTION_NAME, 0, () -> {
     String barrierStatePath = keyBuilder.getBarrierStatePath(barrierVersion);
     State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
     if (Objects.equals(barrierState, State.NEW)) {
      LOG.info(String.format("Expected participants has joined the barrier version: %s. Marking the barrier state: %s as %s.", barrierVersion, barrierStatePath, State.DONE));
      zkUtils.writeData(barrierStatePath, State.DONE); // this will trigger notifications
     } else {
      LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", barrierVersion, barrierState, State.DONE));
     }
     LOG.info("Unsubscribing child changes on the path: {} for barrier version: {}.", barrierParticipantPath, barrierVersion);
     zkUtils.unsubscribeChildChanges(barrierParticipantPath, this);
    });
  }
 }
}

代码示例来源：origin: org.apache.samza/samza-core_2.10

@Override
 public void doHandleChildChange(String barrierParticipantPath, List<String> participantIds) {
  if (participantIds == null) {
   LOG.info("Received notification with null participants for barrier: {}. Ignoring it.", barrierParticipantPath);
   return;
  }
  LOG.info(String.format("Current participants in barrier version: %s = %s.", barrierVersion, participantIds));
  LOG.info(String.format("Expected participants in barrier version: %s = %s.", barrierVersion, expectedParticipantIds));
  // check if all the expected participants are in
  if (participantIds.size() == expectedParticipantIds.size() && CollectionUtils.containsAll(participantIds, expectedParticipantIds)) {
   debounceTimer.scheduleAfterDebounceTime(ACTION_NAME, 0, () -> {
     String barrierStatePath = keyBuilder.getBarrierStatePath(barrierVersion);
     State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
     if (Objects.equals(barrierState, State.NEW)) {
      LOG.info(String.format("Expected participants has joined the barrier version: %s. Marking the barrier state: %s as %s.", barrierVersion, barrierStatePath, State.DONE));
      zkUtils.writeData(barrierStatePath, State.DONE); // this will trigger notifications
     } else {
      LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", barrierVersion, barrierState, State.DONE));
     }
     LOG.info("Unsubscribing child changes on the path: {} for barrier version: {}.", barrierParticipantPath, barrierVersion);
     zkUtils.unsubscribeChildChanges(barrierParticipantPath, this);
    });
  }
 }
}

代码示例来源：origin: apache/samza

/**
 * Creates a shared barrier sub-tree in ZK
 *
 * @param version Version associated with the Barrier
 * @param participants List of expected participated for this barrier to complete
 */
public void create(final String version, List<String> participants) {
 LOG.info(String.format("Creating barrier with version: %s, participants: %s.", version, participants));
 String barrierRoot = keyBuilder.getBarrierRoot();
 String barrierParticipantsPath = keyBuilder.getBarrierParticipantsPath(version);
 String barrierStatePath = keyBuilder.getBarrierStatePath(version);
 zkUtils.validatePaths(new String[]{
   barrierRoot,
   keyBuilder.getBarrierPath(version),
   barrierParticipantsPath,
   barrierStatePath});
 LOG.info("Marking the barrier state: {} as {}.", barrierStatePath, State.NEW);
 zkUtils.writeData(barrierStatePath, State.NEW);
 LOG.info("Subscribing child changes on the path: {} for barrier version: {}.", barrierParticipantsPath, version);
 zkUtils.subscribeChildChanges(barrierParticipantsPath, new ZkBarrierChangeHandler(version, participants, zkUtils));
 barrierListenerOptional.ifPresent(zkBarrierListener -> zkBarrierListener.onBarrierCreated(version));
}

代码示例来源：origin: org.apache.samza/samza-core_2.12

/**
 * Creates a shared barrier sub-tree in ZK
 *
 * @param version Version associated with the Barrier
 * @param participants List of expected participated for this barrier to complete
 */
public void create(final String version, List<String> participants) {
 LOG.info(String.format("Creating barrier with version: %s, participants: %s.", version, participants));
 String barrierRoot = keyBuilder.getBarrierRoot();
 String barrierParticipantsPath = keyBuilder.getBarrierParticipantsPath(version);
 String barrierStatePath = keyBuilder.getBarrierStatePath(version);
 zkUtils.validatePaths(new String[]{
   barrierRoot,
   keyBuilder.getBarrierPath(version),
   barrierParticipantsPath,
   barrierStatePath});
 LOG.info("Marking the barrier state: {} as {}.", barrierStatePath, State.NEW);
 zkUtils.writeData(barrierStatePath, State.NEW);
 LOG.info("Subscribing child changes on the path: {} for barrier version: {}.", barrierParticipantsPath, version);
 zkUtils.subscribeChildChanges(barrierParticipantsPath, new ZkBarrierChangeHandler(version, participants, zkUtils));
 barrierListenerOptional.ifPresent(zkBarrierListener -> zkBarrierListener.onBarrierCreated(version));
}

代码示例来源：origin: org.apache.samza/samza-core

/**
 * Creates a shared barrier sub-tree in ZK
 *
 * @param version Version associated with the Barrier
 * @param participants List of expected participated for this barrier to complete
 */
public void create(final String version, List<String> participants) {
 LOG.info(String.format("Creating barrier with version: %s, participants: %s.", version, participants));
 String barrierRoot = keyBuilder.getBarrierRoot();
 String barrierParticipantsPath = keyBuilder.getBarrierParticipantsPath(version);
 String barrierStatePath = keyBuilder.getBarrierStatePath(version);
 zkUtils.validatePaths(new String[]{
   barrierRoot,
   keyBuilder.getBarrierPath(version),
   barrierParticipantsPath,
   barrierStatePath});
 LOG.info("Marking the barrier state: {} as {}.", barrierStatePath, State.NEW);
 zkUtils.writeData(barrierStatePath, State.NEW);
 LOG.info("Subscribing child changes on the path: {} for barrier version: {}.", barrierParticipantsPath, version);
 zkUtils.subscribeChildChanges(barrierParticipantsPath, new ZkBarrierChangeHandler(version, participants, zkUtils));
 barrierListenerOptional.ifPresent(zkBarrierListener -> zkBarrierListener.onBarrierCreated(version));
}

代码示例来源：origin: org.apache.samza/samza-core_2.11

/**
 * Creates a shared barrier sub-tree in ZK
 *
 * @param version Version associated with the Barrier
 * @param participants List of expected participated for this barrier to complete
 */
public void create(final String version, List<String> participants) {
 LOG.info(String.format("Creating barrier with version: %s, participants: %s.", version, participants));
 String barrierRoot = keyBuilder.getBarrierRoot();
 String barrierParticipantsPath = keyBuilder.getBarrierParticipantsPath(version);
 String barrierStatePath = keyBuilder.getBarrierStatePath(version);
 zkUtils.validatePaths(new String[]{
   barrierRoot,
   keyBuilder.getBarrierPath(version),
   barrierParticipantsPath,
   barrierStatePath});
 LOG.info("Marking the barrier state: {} as {}.", barrierStatePath, State.NEW);
 zkUtils.writeData(barrierStatePath, State.NEW);
 LOG.info("Subscribing child changes on the path: {} for barrier version: {}.", barrierParticipantsPath, version);
 zkUtils.subscribeChildChanges(barrierParticipantsPath, new ZkBarrierChangeHandler(version, participants, zkUtils));
 barrierListenerOptional.ifPresent(zkBarrierListener -> zkBarrierListener.onBarrierCreated(version));
}

代码示例来源：origin: org.apache.samza/samza-core_2.10

/**
 * Creates a shared barrier sub-tree in ZK
 *
 * @param version Version associated with the Barrier
 * @param participants List of expected participated for this barrier to complete
 */
public void create(final String version, List<String> participants) {
 LOG.info(String.format("Creating barrier with version: %s, participants: %s.", version, participants));
 String barrierRoot = keyBuilder.getBarrierRoot();
 String barrierParticipantsPath = keyBuilder.getBarrierParticipantsPath(version);
 String barrierStatePath = keyBuilder.getBarrierStatePath(version);
 zkUtils.validatePaths(new String[]{
   barrierRoot,
   keyBuilder.getBarrierPath(version),
   barrierParticipantsPath,
   barrierStatePath});
 LOG.info("Marking the barrier state: {} as {}.", barrierStatePath, State.NEW);
 zkUtils.writeData(barrierStatePath, State.NEW);
 LOG.info("Subscribing child changes on the path: {} for barrier version: {}.", barrierParticipantsPath, version);
 zkUtils.subscribeChildChanges(barrierParticipantsPath, new ZkBarrierChangeHandler(version, participants, zkUtils));
 barrierListenerOptional.ifPresent(zkBarrierListener -> zkBarrierListener.onBarrierCreated(version));
}

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