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Java ZKAssign.asyncCreateNodeOffline方法代码示例

本文整理汇总了Java中org.apache.hadoop.hbase.zookeeper.ZKAssign.asyncCreateNodeOffline方法的典型用法代码示例。如果您正苦于以下问题:Java ZKAssign.asyncCreateNodeOffline方法的具体用法?Java ZKAssign.asyncCreateNodeOffline怎么用?Java ZKAssign.asyncCreateNodeOffline使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在org.apache.hadoop.hbase.zookeeper.ZKAssign的用法示例。


在下文中一共展示了ZKAssign.asyncCreateNodeOffline方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: asyncSetOfflineInZooKeeper

import org.apache.hadoop.hbase.zookeeper.ZKAssign; //导入方法依赖的package包/类
/**
 * Set region as OFFLINED up in zookeeper asynchronously.
 * @param state
 * @return True if we succeeded, false otherwise (State was incorrect or failed
 * updating zk).
 */
private boolean asyncSetOfflineInZooKeeper(final RegionState state,
    final AsyncCallback.StringCallback cb, final ServerName destination) {
  if (!state.isClosed() && !state.isOffline()) {
    this.server.abort("Unexpected state trying to OFFLINE; " + state,
      new IllegalStateException());
    return false;
  }
  regionStates.updateRegionState(state.getRegion(), State.OFFLINE);
  try {
    ZKAssign.asyncCreateNodeOffline(watcher, state.getRegion(),
      destination, cb, state);
  } catch (KeeperException e) {
    if (e instanceof NodeExistsException) {
      LOG.warn("Node for " + state.getRegion() + " already exists");
    } else {
      server.abort("Unexpected ZK exception creating/setting node OFFLINE", e);
    }
    return false;
  }
  return true;
}
 
开发者ID:fengchen8086,项目名称:ditb,代码行数:28,代码来源:AssignmentManager.java

示例2: asyncSetOfflineInZooKeeper

import org.apache.hadoop.hbase.zookeeper.ZKAssign; //导入方法依赖的package包/类
/**
 * Set region as OFFLINED up in zookeeper asynchronously.
 * @param state
 * @return True if we succeeded, false otherwise (State was incorrect or failed
 * updating zk).
 */
boolean asyncSetOfflineInZooKeeper(final RegionState state,
    final AsyncCallback.StringCallback cb, final Object ctx) {
  if (!state.isClosed() && !state.isOffline()) {
      new RuntimeException("Unexpected state trying to OFFLINE; " + state);
    this.master.abort("Unexpected state trying to OFFLINE; " + state,
      new IllegalStateException());
    return false;
  }
  state.update(RegionState.State.OFFLINE);
  try {
    ZKAssign.asyncCreateNodeOffline(master.getZooKeeper(), state.getRegion(),
      this.master.getServerName(), cb, ctx);
  } catch (KeeperException e) {
    // TODO: this error handling will never execute, as the callback is async.
    if (e instanceof NodeExistsException) {
      LOG.warn("Node for " + state.getRegion() + " already exists");
    } else { 
      master.abort("Unexpected ZK exception creating/setting node OFFLINE", e);
    }
    return false;
  }
  return true;
}
 
开发者ID:fengchen8086,项目名称:LCIndex-HBase-0.94.16,代码行数:30,代码来源:AssignmentManager.java


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