Java SplitLogTask.isResigned方法代码示例

import org.apache.hadoop.hbase.SplitLogTask; //导入方法依赖的package包/类
void getDataSetWatchSuccess(String path, byte[] data) {
  SplitLogTask slt;
  try {
    slt = SplitLogTask.parseFrom(data);
  } catch (DeserializationException e) {
    LOG.warn("Failed parse", e);
    return;
  }
  synchronized (grabTaskLock) {
    if (workerInGrabTask) {
      // currentTask can change but that's ok
      String taskpath = currentTask;
      if (taskpath != null && taskpath.equals(path)) {
        ServerName serverName = manager.getServer().getServerName();
        // have to compare data. cannot compare version because then there
        // will be race with attemptToOwnTask()
        // cannot just check whether the node has been transitioned to
        // UNASSIGNED because by the time this worker sets the data watch
        // the node might have made two transitions - from owned by this
        // worker to unassigned to owned by another worker
        if (!slt.isOwned(serverName) && !slt.isDone(serverName) && !slt.isErr(serverName)
            && !slt.isResigned(serverName)) {
          LOG.info("task " + taskpath + " preempted from " + serverName
              + ", current task state and owner=" + slt.toString());
          worker.stopTask();
        }
      }
    }
  }
}
 

import org.apache.hadoop.hbase.SplitLogTask; //导入方法依赖的package包/类
void getDataSetWatchSuccess(String path, byte[] data) {
  SplitLogTask slt;
  try {
    slt = SplitLogTask.parseFrom(data);
  } catch (DeserializationException e) {
    LOG.warn("Failed parse", e);
    return;
  }
  synchronized (grabTaskLock) {
    if (workerInGrabTask) {
      // currentTask can change but that's ok
      String taskpath = currentTask;
      if (taskpath != null && taskpath.equals(path)) {
        // have to compare data. cannot compare version because then there
        // will be race with attemptToOwnTask()
        // cannot just check whether the node has been transitioned to
        // UNASSIGNED because by the time this worker sets the data watch
        // the node might have made two transitions - from owned by this
        // worker to unassigned to owned by another worker
        if (! slt.isOwned(this.serverName) &&
            ! slt.isDone(this.serverName) &&
            ! slt.isErr(this.serverName) &&
            ! slt.isResigned(this.serverName)) {
          LOG.info("task " + taskpath + " preempted from " +
              serverName + ", current task state and owner=" + slt.toString());
          stopTask();
        }
      }
    }
  }
}
 

import org.apache.hadoop.hbase.SplitLogTask; //导入方法依赖的package包/类
void getDataSetWatchSuccess(String path, byte[] data) {
  SplitLogTask slt;
  try {
    slt = SplitLogTask.parseFrom(data);
  } catch (DeserializationException e) {
    LOG.warn("Failed parse", e);
    return;
  }
  synchronized (grabTaskLock) {
    if (workerInGrabTask) {
      // currentTask can change but that's ok
      String taskpath = currentTask;
      if (taskpath != null && taskpath.equals(path)) {
        // have to compare data. cannot compare version because then there
        // will be race with attemptToOwnTask()
        // cannot just check whether the node has been transitioned to
        // UNASSIGNED because by the time this worker sets the data watch
        // the node might have made two transitions - from owned by this
        // worker to unassigned to owned by another worker
        if (!slt.isOwned(serverName) && !slt.isDone(serverName) && !slt.isErr(serverName)
            && !slt.isResigned(serverName)) {
          LOG.info("task " + taskpath + " preempted from " + serverName
              + ", current task state and owner=" + slt.toString());
          worker.stopTask();
        }
      }
    }
  }
}
 

import org.apache.hadoop.hbase.SplitLogTask; //导入方法依赖的package包/类
private void getDataSetWatchSuccess(String path, byte[] data, int version)
    throws DeserializationException {
  if (data == null) {
    if (version == Integer.MIN_VALUE) {
      // assume all done. The task znode suddenly disappeared.
      setDone(path, SUCCESS);
      return;
    }
    SplitLogCounters.tot_mgr_null_data.incrementAndGet();
    LOG.fatal("logic error - got null data " + path);
    setDone(path, FAILURE);
    return;
  }
  data = this.watcher.getRecoverableZooKeeper().removeMetaData(data);
  SplitLogTask slt = SplitLogTask.parseFrom(data);
  if (slt.isUnassigned()) {
    LOG.debug("task not yet acquired " + path + " ver = " + version);
    handleUnassignedTask(path);
  } else if (slt.isOwned()) {
    heartbeat(path, version, slt.getServerName());
  } else if (slt.isResigned()) {
    LOG.info("task " + path + " entered state: " + slt.toString());
    resubmitOrFail(path, FORCE);
  } else if (slt.isDone()) {
    LOG.info("task " + path + " entered state: " + slt.toString());
    if (taskFinisher != null && !ZKSplitLog.isRescanNode(watcher, path)) {
      if (taskFinisher.finish(slt.getServerName(), ZKSplitLog.getFileName(path)) == Status.DONE) {
        setDone(path, SUCCESS);
      } else {
        resubmitOrFail(path, CHECK);
      }
    } else {
      setDone(path, SUCCESS);
    }
  } else if (slt.isErr()) {
    LOG.info("task " + path + " entered state: " + slt.toString());
    resubmitOrFail(path, CHECK);
  } else {
    LOG.fatal("logic error - unexpected zk state for path = " + path + " data = "
        + slt.toString());
    setDone(path, FAILURE);
  }
}
 

import org.apache.hadoop.hbase.SplitLogTask; //导入方法依赖的package包/类
private void getDataSetWatchSuccess(String path, byte[] data, int version)
throws DeserializationException {
  if (data == null) {
    if (version == Integer.MIN_VALUE) {
      // assume all done. The task znode suddenly disappeared.
      setDone(path, SUCCESS);
      return;
    }
    SplitLogCounters.tot_mgr_null_data.incrementAndGet();
    LOG.fatal("logic error - got null data " + path);
    setDone(path, FAILURE);
    return;
  }
  data = this.watcher.getRecoverableZooKeeper().removeMetaData(data);
  SplitLogTask slt = SplitLogTask.parseFrom(data);
  if (slt.isUnassigned()) {
    LOG.debug("task not yet acquired " + path + " ver = " + version);
    handleUnassignedTask(path);
  } else if (slt.isOwned()) {
    heartbeat(path, version, slt.getServerName());
  } else if (slt.isResigned()) {
    LOG.info("task " + path + " entered state: " + slt.toString());
    resubmitOrFail(path, FORCE);
  } else if (slt.isDone()) {
    LOG.info("task " + path + " entered state: " + slt.toString());
    if (taskFinisher != null && !ZKSplitLog.isRescanNode(watcher, path)) {
      if (taskFinisher.finish(slt.getServerName(), ZKSplitLog.getFileName(path)) == Status.DONE) {
        setDone(path, SUCCESS);
      } else {
        resubmitOrFail(path, CHECK);
      }
    } else {
      setDone(path, SUCCESS);
    }
  } else if (slt.isErr()) {
    LOG.info("task " + path + " entered state: " + slt.toString());
    resubmitOrFail(path, CHECK);
  } else {
    LOG.fatal("logic error - unexpected zk state for path = " + path + " data = " + slt.toString());
    setDone(path, FAILURE);
  }
}
 

import org.apache.hadoop.hbase.SplitLogTask; //导入方法依赖的package包/类
private void getDataSetWatchSuccess(String path, byte[] data, int version)
    throws DeserializationException {
  if (data == null) {
    if (version == Integer.MIN_VALUE) {
      // assume all done. The task znode suddenly disappeared.
      setDone(path, SUCCESS);
      return;
    }
    SplitLogCounters.tot_mgr_null_data.increment();
    LOG.error(HBaseMarkers.FATAL, "logic error - got null data " + path);
    setDone(path, FAILURE);
    return;
  }
  data = ZKMetadata.removeMetaData(data);
  SplitLogTask slt = SplitLogTask.parseFrom(data);
  if (slt.isUnassigned()) {
    LOG.debug("Task not yet acquired " + path + ", ver=" + version);
    handleUnassignedTask(path);
  } else if (slt.isOwned()) {
    heartbeat(path, version, slt.getServerName());
  } else if (slt.isResigned()) {
    LOG.info("Task " + path + " entered state=" + slt.toString());
    resubmitOrFail(path, FORCE);
  } else if (slt.isDone()) {
    LOG.info("Task " + path + " entered state=" + slt.toString());
    if (taskFinisher != null && !ZKSplitLog.isRescanNode(watcher, path)) {
      if (taskFinisher.finish(slt.getServerName(), ZKSplitLog.getFileName(path)) == Status.DONE) {
        setDone(path, SUCCESS);
      } else {
        resubmitOrFail(path, CHECK);
      }
    } else {
      setDone(path, SUCCESS);
    }
  } else if (slt.isErr()) {
    LOG.info("Task " + path + " entered state=" + slt.toString());
    resubmitOrFail(path, CHECK);
  } else {
    LOG.error(HBaseMarkers.FATAL, "logic error - unexpected zk state for path = "
        + path + " data = " + slt.toString());
    setDone(path, FAILURE);
  }
}