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com.alibaba.wasp.zookeeper.ZKAssign.getNodeName()方法的使用及代码示例

转载 作者:知者 更新时间:2024-03-13 11:22:09 25 4
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本文整理了Java中com.alibaba.wasp.zookeeper.ZKAssign.getNodeName()方法的一些代码示例,展示了ZKAssign.getNodeName()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。ZKAssign.getNodeName()方法的具体详情如下:
包路径:com.alibaba.wasp.zookeeper.ZKAssign
类名称:ZKAssign
方法名:getNodeName

ZKAssign.getNodeName介绍

[英]Gets the full path node name for the unassigned node for the specified entityGroup.
[中]获取指定entityGroup的未分配节点的完整路径节点名。

代码示例

代码示例来源:origin: alibaba/wasp

/**
 * @param zkw
 * @param pathOrEntityGroupName
 * @return Path to znode
 */
public static String getPath(final ZooKeeperWatcher zkw,
  final String pathOrEntityGroupName) {
 return pathOrEntityGroupName.startsWith("/") ? pathOrEntityGroupName : getNodeName(
   zkw, pathOrEntityGroupName);
}

代码示例来源:origin: alibaba/wasp

/**
 * Get the version of the specified znode
 * @param zkw zk reference
 * @param entityGroup entityGroup's info
 * @return the version of the znode, -1 if it doesn't exist
 * @throws org.apache.zookeeper.KeeperException
 */
public static int getVersion(ZooKeeperWatcher zkw, EntityGroupInfo entityGroup)
  throws KeeperException {
 String znode = getNodeName(zkw, entityGroup.getEncodedName());
 return ZKUtil.checkExists(zkw, znode);
}

代码示例来源:origin: alibaba/wasp

/**
 * Delete the assignment node regardless of its current state.
 * <p>
 * Fail silent even if the node does not exist at all.
 * @param watcher
 * @param entityGroupInfo
 * @throws org.apache.zookeeper.KeeperException
 */
public static void deleteNodeFailSilent(ZooKeeperWatcher watcher,
  EntityGroupInfo entityGroupInfo) throws KeeperException {
 String node = getNodeName(watcher, entityGroupInfo.getEncodedName());
 ZKUtil.deleteNodeFailSilent(watcher, node);
}

代码示例来源:origin: alibaba/wasp

String node = ZKAssign.getNodeName(watcher,
  entityGroupInfo.getEncodedName());
Stat stat = new Stat();

代码示例来源:origin: alibaba/wasp

public static void createNodeOffline(ZooKeeperWatcher zkw,
  EntityGroupInfo entityGroup, ServerName serverName, final EventType event)
  throws KeeperException, KeeperException.NodeExistsException {
 LOG.debug(zkw.prefix("Creating unassigned node for "
   + entityGroup.getEncodedName() + " in OFFLINE state"));
 EntityGroupTransaction rt = EntityGroupTransaction.createEntityGroupTransition(event,
   entityGroup.getEntityGroupName(), serverName);
 String node = getNodeName(zkw, entityGroup.getEncodedName());
 ZKUtil.createAndWatch(zkw, node, rt.toByteArray());
}

代码示例来源:origin: alibaba/wasp

EventHandler.EventType.FSERVER_ZK_ENTITYGROUP_SPLITTING,
    entityGroup.getEntityGroupName(), serverName);
String node = ZKAssign.getNodeName(zkw, entityGroup.getEncodedName());
if (!ZKUtil.createEphemeralNodeAndWatch(zkw, node, data.toByteArray())) {
 throw new IOException("Failed create of ephemeral " + node);

代码示例来源:origin: alibaba/wasp

/**
 * Creates an unassigned node in the OFFLINE state for the specified
 * entityGroup.
 * <p>
 * Runs asynchronously. Depends on no pre-existing znode.
 *
 * <p>
 * Sets a watcher on the unassigned entityGroup node.
 *
 * @param zkw zk reference
 * @param entityGroup entityGroup to be created as offline
 * @param serverName server transition will happen on
 * @param cb
 * @param ctx
 * @throws org.apache.zookeeper.KeeperException if unexpected zookeeper exception
 * @throws org.apache.zookeeper.KeeperException.NodeExistsException if node already exists
 */
public static void asyncCreateNodeOffline(ZooKeeperWatcher zkw,
  EntityGroupInfo entityGroup, ServerName serverName,
  final AsyncCallback.StringCallback cb, final Object ctx)
  throws KeeperException {
 LOG.debug(zkw.prefix("Async create of unassigned node for "
   + entityGroup.getEncodedName() + " with OFFLINE state"));
 EntityGroupTransaction rt = EntityGroupTransaction.createEntityGroupTransition(
   EventType.M_ZK_ENTITYGROUP_OFFLINE, entityGroup.getEntityGroupName(), serverName);
 String node = getNodeName(zkw, entityGroup.getEncodedName());
 ZKUtil.asyncCreate(zkw, node, rt.toByteArray(), cb, ctx);
}

代码示例来源:origin: alibaba/wasp

String node = ZKAssign.getNodeName(this.watcher,
  entityGroupInfo.getEncodedName());
Stat stat = new Stat();

代码示例来源:origin: alibaba/wasp

LOG.debug(zkw.prefix("Deleting existing unassigned " + "node for "
  + entityGroupName + " that is in expected state " + expectedState));
String node = getNodeName(zkw, entityGroupName);
zkw.sync(node);
Stat stat = new Stat();

代码示例来源:origin: alibaba/wasp

EventType.M_ZK_ENTITYGROUP_CLOSING, entityGroup.getEntityGroupName(), serverName,
  HConstants.EMPTY_BYTE_ARRAY);
String node = getNodeName(zkw, entityGroup.getEncodedName());
return ZKUtil.createAndWatch(zkw, node, rt.toByteArray());

代码示例来源:origin: alibaba/wasp

@Override
 EntityGroup openEntityGroup() {
  // Open entityGroup first, then remove znode as though it'd been
  // hijacked.
  EntityGroup entityGroup = super.openEntityGroup();
  // Don't actually open entityGroup BUT remove the znode as though it'd
  // been hijacked on us.
  ZooKeeperWatcher zkw = this.server.getZooKeeper();
  String node = ZKAssign.getNodeName(zkw, egi.getEncodedName());
  try {
   ZKUtil.deleteNodeFailSilent(zkw, node);
  } catch (KeeperException e) {
   throw new RuntimeException("Ugh failed delete of " + node, e);
  }
  return entityGroup;
 }
};

代码示例来源:origin: alibaba/wasp

String node = getNodeName(zkw, encoded);
zkw.sync(node);

代码示例来源:origin: alibaba/wasp

HConstants.EMPTY_BYTE_ARRAY);
byte[] data = rt.toByteArray();
String node = getNodeName(zkw, entityGroup.getEncodedName());
zkw.sync(node);
int version = ZKUtil.checkExists(zkw, node);

代码示例来源:origin: alibaba/wasp

String encoded = region.getEncodedName();
String node = ZKAssign.getNodeName(zkw, encoded);
zkw.sync(node);

代码示例来源:origin: alibaba/wasp

when(am.getZKTable()).thenReturn(new ZKTable(zkw));
Stat stat = new Stat();
String nodeName = ZKAssign.getNodeName(zkw, entityGroup
  .getEntityGroupInfo().getEncodedName());
ZKUtil.getDataAndWatch(zkw, nodeName, stat);

代码示例来源:origin: alibaba/wasp

st.execute(fserver, fserver);
} catch (IOException e) {
 String node = ZKAssign.getNodeName(fserver.getZooKeeper(), entityGroups
   .get(0).getEntityGroupInfo().getEncodedName());
 if (nodeCreated) {

代码示例来源:origin: alibaba/wasp

String path = ZKAssign.getNodeName(zkw, egi.getEncodedName());
Stat stats = zkw.getRecoverableZooKeeper().exists(path, false);
LOG.info("EPHEMERAL NODE BEFORE SERVER ABORT, path=" + path + ", stats="

代码示例来源:origin: alibaba/wasp

assertTrue(daughters.size() >= 2);
String path = ZKAssign.getNodeName(zkw, egi.getEncodedName());
Stat stats = zkw.getRecoverableZooKeeper().exists(path, false);
LOG.info("EPHEMERAL NODE BEFORE SERVER ABORT, path=" + path + ", stats="

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