本文整理汇总了Java中org.apache.hadoop.hbase.executor.EventHandler.EventType.M_ZK_REGION_OFFLINE属性的典型用法代码示例。如果您正苦于以下问题:Java EventType.M_ZK_REGION_OFFLINE属性的具体用法?Java EventType.M_ZK_REGION_OFFLINE怎么用?Java EventType.M_ZK_REGION_OFFLINE使用的例子?那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.hadoop.hbase.executor.EventHandler.EventType
的用法示例。
在下文中一共展示了EventType.M_ZK_REGION_OFFLINE属性的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: asyncCreateNodeOffline
/**
* Creates an unassigned node in the OFFLINE state for the specified region.
* <p>
* Runs asynchronously. Depends on no pre-existing znode.
*
* <p>Sets a watcher on the unassigned region node.
*
* @param zkw zk reference
* @param region region to be created as offline
* @param serverName server event originates from
* @param cb
* @param ctx
* @throws KeeperException if unexpected zookeeper exception
* @throws KeeperException.NodeExistsException if node already exists
*/
public static void asyncCreateNodeOffline(ZooKeeperWatcher zkw,
HRegionInfo region, ServerName serverName,
final AsyncCallback.StringCallback cb, final Object ctx)
throws KeeperException {
LOG.debug(zkw.prefix("Async create of unassigned node for " +
region.getEncodedName() + " with OFFLINE state"));
RegionTransitionData data = new RegionTransitionData(
EventType.M_ZK_REGION_OFFLINE, region.getRegionName(), serverName);
String node = getNodeName(zkw, region.getEncodedName());
ZKUtil.asyncCreate(zkw, node, data.getBytes(), cb, ctx);
}
示例2: forceNodeOffline
/**
* Forces an existing unassigned node to the OFFLINE state for the specified
* region.
*
* <p>Does not create a new node. If a node does not already exist for this
* region, a {@link NoNodeException} will be thrown.
*
* <p>Sets a watcher on the unassigned region node if the method is
* successful.
*
* <p>This method should only be used during recovery of regionserver failure.
*
* @param zkw zk reference
* @param region region to be forced as offline
* @param serverName server event originates from
* @throws KeeperException if unexpected zookeeper exception
* @throws KeeperException.NoNodeException if node does not exist
*/
public static void forceNodeOffline(ZooKeeperWatcher zkw, HRegionInfo region,
ServerName serverName)
throws KeeperException, KeeperException.NoNodeException {
LOG.debug(zkw.prefix("Forcing existing unassigned node for " +
region.getEncodedName() + " to OFFLINE state"));
RegionTransitionData data = new RegionTransitionData(
EventType.M_ZK_REGION_OFFLINE, region.getRegionName(), serverName);
String node = getNodeName(zkw, region.getEncodedName());
ZKUtil.setData(zkw, node, data.getBytes());
}