本文整理了Java中com.ngdata.sep.util.zookeeper.ZooKeeperItf.exists()方法的一些代码示例，展示了ZooKeeperItf.exists()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。ZooKeeperItf.exists()方法的具体详情如下：
包路径：com.ngdata.sep.util.zookeeper.ZooKeeperItf
类名称：ZooKeeperItf
方法名：exists

ZooKeeperItf.exists介绍

暂无

代码示例

代码示例来源：origin: NGDATA/hbase-indexer

@Override
  public Stat execute() throws KeeperException, InterruptedException {
    return zk.exists(childPath, false);
  }
});

代码示例来源：origin: NGDATA/hbase-indexer

@Override
  public Stat execute() throws KeeperException, InterruptedException {
    return zk.exists(lockPath, null);
  }
});

代码示例来源：origin: NGDATA/hbase-indexer

@Override
  public Boolean execute() throws KeeperException, InterruptedException {
    return zk.exists(zkRoot, false) != null;
  }
});

代码示例来源：origin: NGDATA/hbase-indexer

@Override
  public Stat execute() throws KeeperException, InterruptedException {
    return zk.exists(pathToWatch, watcher);
  }
});

代码示例来源：origin: com.ngdata/hbase-indexer-model

@Override
  public Stat execute() throws KeeperException, InterruptedException {
    return zk.exists(lockPath, null);
  }
});

代码示例来源：origin: com.ngdata/hbase-indexer-common

@Override
  public Stat execute() throws KeeperException, InterruptedException {
    return zk.exists(pathToWatch, watcher);
  }
});

代码示例来源：origin: com.ngdata/hbase-indexer-cli

@Override
  public Boolean execute() throws KeeperException, InterruptedException {
    return zk.exists(zkRoot, false) != null;
  }
});

代码示例来源：origin: com.ngdata/hbase-indexer-common

@Override
  public Stat execute() throws KeeperException, InterruptedException {
    return zk.exists(childPath, false);
  }
});

代码示例来源：origin: NGDATA/hbase-indexer

@Override
  public Boolean execute() throws KeeperException, InterruptedException {
    if (zk.exists(subPath.toString(), false) == null) {
      try {
        zk.create(subPath.toString(), newData, ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
        return true;
      } catch (KeeperException.NodeExistsException e) {
        return false;
      }
    }
    return false;
  }
});

代码示例来源：origin: com.ngdata/hbase-sep-impl-common

@Override
  public Boolean execute() throws KeeperException, InterruptedException {
    if (zk.exists(subPath.toString(), false) == null) {
      try {
        zk.create(subPath.toString(), newData, CreateMode.PERSISTENT);
        return true;
      } catch (KeeperException.NodeExistsException e) {
        return false;
      }
    }
    return false;
  }
});

代码示例来源：origin: NGDATA/hbase-indexer

@Override
  public Boolean execute() throws KeeperException, InterruptedException {
    Stat stat = zk.exists(path, false);
    if (stat != null) {
      try {
        zk.delete(path, stat.getVersion());
      } catch (KeeperException.NoNodeException nne) {
        // This is ok, the node is already gone
      }
      // We don't catch BadVersion or NotEmpty as these are probably signs that there is something
      // unexpected going on with the node that is to be deleted
    }
    return true;
  }
});

代码示例来源：origin: com.ngdata/hbase-sep-impl-common

@Override
  public Boolean execute() throws KeeperException, InterruptedException {
    Stat stat = zk.exists(path, false);
    if (stat != null) {
      try {
        zk.delete(path, stat.getVersion());
      } catch (KeeperException.NoNodeException nne) {
        // This is ok, the node is already gone
      }
      // We don't catch BadVersion or NotEmpty as these are probably signs that there is something
      // unexpected going on with the node that is to be deleted
    }
    return true;
  }
});

代码示例来源：origin: NGDATA/hbase-indexer

@Override
  public Object execute() throws KeeperException, InterruptedException {
    byte[] data = zk.getData(indexerPath, false, null);
    String trashPath = indexerTrashPath + "/" + indexerName;
    // An indexer with the same name might have existed before and hence already exist
    // in the indexer trash, handle this by appending a sequence number until a unique
    // name is found.
    String baseTrashpath = trashPath;
    int count = 0;
    while (zk.exists(trashPath, false) != null) {
      count++;
      trashPath = baseTrashpath + "." + count;
    }
    zk.create(trashPath, data, ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
    return null;
  }
});

代码示例来源：origin: com.ngdata/hbase-indexer-model

@Override
  public Object execute() throws KeeperException, InterruptedException {
    byte[] data = zk.getData(indexerPath, false, null);
    String trashPath = indexerTrashPath + "/" + indexerName;
    // An indexer with the same name might have existed before and hence already exist
    // in the indexer trash, handle this by appending a sequence number until a unique
    // name is found.
    String baseTrashpath = trashPath;
    int count = 0;
    while (zk.exists(trashPath, false) != null) {
      count++;
      trashPath = baseTrashpath + "." + count;
    }
    zk.create(trashPath, data, CreateMode.PERSISTENT);
    return null;
  }
});

代码示例来源：origin: NGDATA/hbase-indexer

Stat stat = zk.exists(electionPath + "/" + leader, false);

代码示例来源：origin: com.ngdata/hbase-indexer-common

Stat stat = zk.exists(electionPath + "/" + leader, false);

代码示例来源：origin: NGDATA/hbase-indexer

try {
  if (zk.exists(indexerLockPath, false) != null) {
    List<String> children = Collections.emptyList();
    try {

代码示例来源：origin: com.ngdata/hbase-indexer-model

try {
  if (zk.exists(indexerLockPath, false) != null) {
    List<String> children = Collections.emptyList();
    try {

代码示例来源：origin: com.ngdata/hbase-sep-tools

if (zk.exists(regionServerPath, false) == null) {
  return new ReplicationStatus(statusByPeerAndServer);