org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionService类的使用及代码示例-6ren

org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionService类的使用及代码示例

转载作者：知者更新时间：2024-03-17 01:07:31

本文整理了Java中org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionService类的一些代码示例，展示了ZooKeeperLeaderElectionService类的具体用法。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。ZooKeeperLeaderElectionService类的具体详情如下：
包路径：org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionService
类名称：ZooKeeperLeaderElectionService

ZooKeeperLeaderElectionService介绍

[英]Leader election service for multiple JobManager. The leading JobManager is elected using ZooKeeper. The current leader's address as well as its leader session ID is published via ZooKeeper as well.
[中]

代码示例

代码示例来源：origin: org.apache.flink/flink-runtime_2.10

@Override
  public void stateChanged(CuratorFramework client, ConnectionState newState) {
    handleStateChange(newState);
  }
};

代码示例来源：origin: org.apache.flink/flink-runtime

@Override
public void confirmLeaderSessionID(UUID leaderSessionID) {
  if (LOG.isDebugEnabled()) {
    LOG.debug(
      "Confirm leader session ID {} for leader {}.",
      leaderSessionID,
      leaderContender.getAddress());
  }
  Preconditions.checkNotNull(leaderSessionID);
  if (leaderLatch.hasLeadership()) {
    // check if this is an old confirmation call
    synchronized (lock) {
      if (running) {
        if (leaderSessionID.equals(this.issuedLeaderSessionID)) {
          confirmedLeaderSessionID = leaderSessionID;
          writeLeaderInformation(confirmedLeaderSessionID);
        }
      } else {
        LOG.debug("Ignoring the leader session Id {} confirmation, since the " +
          "ZooKeeperLeaderElectionService has already been stopped.", leaderSessionID);
      }
    }
  } else {
    LOG.warn("The leader session ID {} was confirmed even though the " +
        "corresponding JobManager was not elected as the leader.", leaderSessionID);
  }
}

代码示例来源：origin: org.apache.flink/flink-runtime

/**
 * Creates a {@link ZooKeeperLeaderElectionService} instance.
 *
 * @param client        The {@link CuratorFramework} ZooKeeper client to use
 * @param configuration {@link Configuration} object containing the configuration values
 * @param pathSuffix    The path suffix which we want to append
 * @return {@link ZooKeeperLeaderElectionService} instance.
 */
public static ZooKeeperLeaderElectionService createLeaderElectionService(
    final CuratorFramework client,
    final Configuration configuration,
    final String pathSuffix) {
  final String latchPath = configuration.getString(
    HighAvailabilityOptions.HA_ZOOKEEPER_LATCH_PATH) + pathSuffix;
  final String leaderPath = configuration.getString(
    HighAvailabilityOptions.HA_ZOOKEEPER_LEADER_PATH) + pathSuffix;
  return new ZooKeeperLeaderElectionService(client, latchPath, leaderPath);
}

代码示例来源：origin: com.alibaba.blink/flink-runtime

@Override
public void confirmLeaderSessionID(UUID leaderSessionID) {
  if (LOG.isDebugEnabled()) {
    LOG.debug(
      "Confirm leader session ID {} for leader {}.",
      leaderSessionID,
      leaderContender.getAddress());
  }
  Preconditions.checkNotNull(leaderSessionID);
  if (leaderLatch.hasLeadership()) {
    // check if this is an old confirmation call
    synchronized (lock) {
      if (running) {
        if (leaderSessionID.equals(this.issuedLeaderSessionID)) {
          confirmedLeaderSessionID = leaderSessionID;
          writeLeaderInformation(confirmedLeaderSessionID);
        }
      } else {
        LOG.debug("Ignoring the leader session Id {} confirmation, since the " +
          "ZooKeeperLeaderElectionService has already been stopped.", leaderSessionID);
      }
    }
  } else {
    LOG.warn("The leader session ID {} was confirmed even though the " +
        "corresponding JobManager was not elected as the leader.", leaderSessionID);
  }
}

代码示例来源：origin: org.apache.flink/flink-runtime_2.11

/**
 * Creates a {@link ZooKeeperLeaderElectionService} instance.
 *
 * @param client        The {@link CuratorFramework} ZooKeeper client to use
 * @param configuration {@link Configuration} object containing the configuration values
 * @param pathSuffix    The path suffix which we want to append
 * @return {@link ZooKeeperLeaderElectionService} instance.
 */
public static ZooKeeperLeaderElectionService createLeaderElectionService(
    final CuratorFramework client,
    final Configuration configuration,
    final String pathSuffix) {
  final String latchPath = configuration.getString(
    HighAvailabilityOptions.HA_ZOOKEEPER_LATCH_PATH) + pathSuffix;
  final String leaderPath = configuration.getString(
    HighAvailabilityOptions.HA_ZOOKEEPER_LEADER_PATH) + pathSuffix;
  return new ZooKeeperLeaderElectionService(client, latchPath, leaderPath);
}

代码示例来源：origin: org.apache.flink/flink-runtime_2.11

@Override
public void confirmLeaderSessionID(UUID leaderSessionID) {
  if (LOG.isDebugEnabled()) {
    LOG.debug(
      "Confirm leader session ID {} for leader {}.",
      leaderSessionID,
      leaderContender.getAddress());
  }
  Preconditions.checkNotNull(leaderSessionID);
  if (leaderLatch.hasLeadership()) {
    // check if this is an old confirmation call
    synchronized (lock) {
      if (running) {
        if (leaderSessionID.equals(this.issuedLeaderSessionID)) {
          confirmedLeaderSessionID = leaderSessionID;
          writeLeaderInformation(confirmedLeaderSessionID);
        }
      } else {
        LOG.debug("Ignoring the leader session Id {} confirmation, since the " +
          "ZooKeeperLeaderElectionService has already been stopped.", leaderSessionID);
      }
    }
  } else {
    LOG.warn("The leader session ID {} was confirmed even though the " +
        "corresponding JobManager was not elected as the leader.", leaderSessionID);
  }
}

代码示例来源：origin: org.apache.flink/flink-runtime_2.11

@Override
  public void stateChanged(CuratorFramework client, ConnectionState newState) {
    handleStateChange(newState);
  }
};

代码示例来源：origin: com.alibaba.blink/flink-runtime

/**
 * Creates a {@link ZooKeeperLeaderElectionService} instance.
 *
 * @param client        The {@link CuratorFramework} ZooKeeper client to use
 * @param configuration {@link Configuration} object containing the configuration values
 * @param pathSuffix    The path suffix which we want to append
 * @return {@link ZooKeeperLeaderElectionService} instance.
 */
public static ZooKeeperLeaderElectionService createLeaderElectionService(
    final CuratorFramework client,
    final Configuration configuration,
    final String pathSuffix) {
  final String latchPath = configuration.getString(
    HighAvailabilityOptions.HA_ZOOKEEPER_LATCH_PATH) + pathSuffix;
  final String leaderPath = configuration.getString(
    HighAvailabilityOptions.HA_ZOOKEEPER_LEADER_PATH) + pathSuffix;
  return new ZooKeeperLeaderElectionService(client, latchPath, leaderPath);
}

代码示例来源：origin: org.apache.flink/flink-runtime_2.10

@Override
public void confirmLeaderSessionID(UUID leaderSessionID) {
  if (LOG.isDebugEnabled()) {
    LOG.debug(
      "Confirm leader session ID {} for leader {}.",
      leaderSessionID,
      leaderContender.getAddress());
  }
  Preconditions.checkNotNull(leaderSessionID);
  if(leaderLatch.hasLeadership()) {
    // check if this is an old confirmation call
    synchronized (lock) {
      if (running) {
        if (leaderSessionID.equals(this.issuedLeaderSessionID)) {
          confirmedLeaderSessionID = leaderSessionID;
          writeLeaderInformation(confirmedLeaderSessionID);
        }
      } else {
        LOG.debug("Ignoring the leader session Id {} confirmation, since the " +
          "ZooKeeperLeaderElectionService has already been stopped.", leaderSessionID);
      }
    }
  } else {
    LOG.warn("The leader session ID {} was confirmed even though the" +
        "corresponding JobManager was not elected as the leader.", leaderSessionID);
  }
}

代码示例来源：origin: org.apache.flink/flink-runtime

@Override
  public void stateChanged(CuratorFramework client, ConnectionState newState) {
    handleStateChange(newState);
  }
};

代码示例来源：origin: org.apache.flink/flink-runtime_2.10

/**
 * Creates a {@link ZooKeeperLeaderElectionService} instance.
 *
 * @param client        The {@link CuratorFramework} ZooKeeper client to use
 * @param configuration {@link Configuration} object containing the configuration values
 * @param pathSuffix    The path suffix which we want to append
 * @return {@link ZooKeeperLeaderElectionService} instance.
 */
public static ZooKeeperLeaderElectionService createLeaderElectionService(
  final CuratorFramework client,
  final Configuration configuration,
  final String pathSuffix)
{
  final String latchPath = ConfigurationUtil.getStringWithDeprecatedKeys(
    configuration,
    ConfigConstants.HA_ZOOKEEPER_LATCH_PATH,
    ConfigConstants.DEFAULT_ZOOKEEPER_LATCH_PATH,
    ConfigConstants.ZOOKEEPER_LATCH_PATH) + pathSuffix;
  final String leaderPath = ConfigurationUtil.getStringWithDeprecatedKeys(
    configuration,
    ConfigConstants.HA_ZOOKEEPER_LEADER_PATH,
    ConfigConstants.DEFAULT_ZOOKEEPER_LEADER_PATH,
    ConfigConstants.ZOOKEEPER_LEADER_PATH) + pathSuffix;
  return new ZooKeeperLeaderElectionService(client, latchPath, leaderPath);
}

代码示例来源：origin: com.alibaba.blink/flink-runtime

leaderContender.getAddress());
  writeLeaderInformation(confirmedLeaderSessionID);
} else {
  byte[] data = childData.getData();
        leaderContender.getAddress());
    writeLeaderInformation(confirmedLeaderSessionID);
  } else {
    ByteArrayInputStream bais = new ByteArrayInputStream(data);
          leaderContender.getAddress());
      writeLeaderInformation(confirmedLeaderSessionID);

代码示例来源：origin: com.alibaba.blink/flink-runtime

@Override
  public void stateChanged(CuratorFramework client, ConnectionState newState) {
    handleStateChange(newState);
  }
};

代码示例来源：origin: org.apache.flink/flink-runtime

leaderContender.getAddress());
  writeLeaderInformation(confirmedLeaderSessionID);
} else {
  byte[] data = childData.getData();
        leaderContender.getAddress());
    writeLeaderInformation(confirmedLeaderSessionID);
  } else {
    ByteArrayInputStream bais = new ByteArrayInputStream(data);
          leaderContender.getAddress());
      writeLeaderInformation(confirmedLeaderSessionID);

代码示例来源：origin: org.apache.flink/flink-runtime_2.11

leaderContender.getAddress());
  writeLeaderInformation(confirmedLeaderSessionID);
} else {
  byte[] data = childData.getData();
        leaderContender.getAddress());
    writeLeaderInformation(confirmedLeaderSessionID);
  } else {
    ByteArrayInputStream bais = new ByteArrayInputStream(data);
          leaderContender.getAddress());
      writeLeaderInformation(confirmedLeaderSessionID);

代码示例来源：origin: org.apache.flink/flink-runtime_2.10

leaderContender.getAddress());
  writeLeaderInformation(confirmedLeaderSessionID);
} else {
  byte[] data = childData.getData();
        leaderContender.getAddress());
    writeLeaderInformation(confirmedLeaderSessionID);
  } else {
    ByteArrayInputStream bais = new ByteArrayInputStream(data);
          leaderContender.getAddress());
      writeLeaderInformation(confirmedLeaderSessionID);

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