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org.apache.gobblin.restli.throttling.ZookeeperLeaderElection.reset()方法的使用及代码示例

转载 作者:知者 更新时间:2024-03-13 09:56:27 27 4
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本文整理了Java中org.apache.gobblin.restli.throttling.ZookeeperLeaderElection.reset()方法的一些代码示例,展示了ZookeeperLeaderElection.reset()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。ZookeeperLeaderElection.reset()方法的具体详情如下:
包路径:org.apache.gobblin.restli.throttling.ZookeeperLeaderElection
类名称:ZookeeperLeaderElection
方法名:reset

ZookeeperLeaderElection.reset介绍

暂无

代码示例

代码示例来源:origin: apache/incubator-gobblin

@Override
protected void startUp() throws Exception {
 reset();
}

代码示例来源:origin: apache/incubator-gobblin

private void determineLeadership() {
 ReentrantReadWriteLock.WriteLock lock = this.readWriteLock.writeLock();
 lock.lock();
 try {
  List<String> children = this.zooKeeper.getChildren().forPath(this.leaderElectionNode);
  Collections.sort(children);
  int idx = children.indexOf(this.nodeId);
  if (idx == 0) {
   Stat stat = this.zooKeeper.checkExists().forPath(this.leaderNode);
   if (stat == null) {
    this.zooKeeper.create().forPath(this.leaderNode, serializeMetadata(this.localMetadata));
   } else {
    this.zooKeeper.setData().forPath(this.leaderNode, serializeMetadata(this.localMetadata));
   }
   this.isLeader = true;
  } else {
   this.isLeader = false;
   String watchedNode = this.leaderElectionNode + "/" + children.get(idx - 1);
   this.zooKeeper.checkExists().usingWatcher(new DetermineLeadershipWatcher()).forPath(watchedNode);
  }
  findLeader();
 } catch (KeeperException exc) {
  reset();
 } catch (Throwable exc) {
  log.error("Fatal failure.", exc);
  this.fatalFailure = true;
 } finally {
  lock.unlock();
 }
}

代码示例来源:origin: apache/incubator-gobblin

private void findLeader() {
 ReentrantReadWriteLock.WriteLock lock = this.readWriteLock.writeLock();
 lock.lock();
 try {
  if (this.zooKeeper.checkExists().usingWatcher(new FindLeaderWatcher()).forPath(this.leaderNode) == null) {
   determineLeadership();
  }
  byte[] leaderData = this.zooKeeper.getData().usingWatcher(new FindLeaderWatcher()).forPath(this.leaderNode);
  this.leaderMetadata = deserializeMetadata(leaderData);
 } catch (KeeperException exc) {
  reset();
 } catch (Throwable exc) {
   log.error("Fatal failure.", exc);
   this.fatalFailure = true;
 } finally {
  lock.unlock();
 }
}

代码示例来源:origin: org.apache.gobblin/gobblin-throttling-service-server

@Override
protected void startUp() throws Exception {
 reset();
}

代码示例来源:origin: org.apache.gobblin/gobblin-throttling-service-server

private void determineLeadership() {
 ReentrantReadWriteLock.WriteLock lock = this.readWriteLock.writeLock();
 lock.lock();
 try {
  List<String> children = this.zooKeeper.getChildren().forPath(this.leaderElectionNode);
  Collections.sort(children);
  int idx = children.indexOf(this.nodeId);
  if (idx == 0) {
   Stat stat = this.zooKeeper.checkExists().forPath(this.leaderNode);
   if (stat == null) {
    this.zooKeeper.create().forPath(this.leaderNode, serializeMetadata(this.localMetadata));
   } else {
    this.zooKeeper.setData().forPath(this.leaderNode, serializeMetadata(this.localMetadata));
   }
   this.isLeader = true;
  } else {
   this.isLeader = false;
   String watchedNode = this.leaderElectionNode + "/" + children.get(idx - 1);
   this.zooKeeper.checkExists().usingWatcher(new DetermineLeadershipWatcher()).forPath(watchedNode);
  }
  findLeader();
 } catch (KeeperException exc) {
  reset();
 } catch (Throwable exc) {
  log.error("Fatal failure.", exc);
  this.fatalFailure = true;
 } finally {
  lock.unlock();
 }
}

代码示例来源:origin: org.apache.gobblin/gobblin-throttling-service-server

private void findLeader() {
 ReentrantReadWriteLock.WriteLock lock = this.readWriteLock.writeLock();
 lock.lock();
 try {
  if (this.zooKeeper.checkExists().usingWatcher(new FindLeaderWatcher()).forPath(this.leaderNode) == null) {
   determineLeadership();
  }
  byte[] leaderData = this.zooKeeper.getData().usingWatcher(new FindLeaderWatcher()).forPath(this.leaderNode);
  this.leaderMetadata = deserializeMetadata(leaderData);
 } catch (KeeperException exc) {
  reset();
 } catch (Throwable exc) {
   log.error("Fatal failure.", exc);
   this.fatalFailure = true;
 } finally {
  lock.unlock();
 }
}

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