本文整理汇总了Java中org.apache.hadoop.hbase.zookeeper.ZKAssign.getDataNoWatch方法的典型用法代码示例。如果您正苦于以下问题：Java ZKAssign.getDataNoWatch方法的具体用法？Java ZKAssign.getDataNoWatch怎么用？Java ZKAssign.getDataNoWatch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类org.apache.hadoop.hbase.zookeeper.ZKAssign的用法示例。
在下文中一共展示了ZKAssign.getDataNoWatch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: processOpeningState
import org.apache.hadoop.hbase.zookeeper.ZKAssign; //导入方法依赖的package包/类
private void processOpeningState(HRegionInfo regionInfo) {
LOG.info("Region has been OPENING for too " + "long, reassigning region="
+ regionInfo.getRegionNameAsString());
// Should have a ZK node in OPENING state
try {
String node = ZKAssign.getNodeName(watcher, regionInfo.getEncodedName());
Stat stat = new Stat();
RegionTransitionData dataInZNode = ZKAssign.getDataNoWatch(watcher, node,
stat);
if (dataInZNode == null) {
LOG.warn("Data is null, node " + node + " no longer exists");
return;
}
if (dataInZNode.getEventType() == EventType.RS_ZK_REGION_OPENED) {
LOG.debug("Region has transitioned to OPENED, allowing "
+ "watched event handlers to process");
return;
} else if (dataInZNode.getEventType() != EventType.RS_ZK_REGION_OPENING &&
dataInZNode.getEventType() != EventType.RS_ZK_REGION_FAILED_OPEN ) {
LOG.warn("While timing out a region in state OPENING, "
+ "found ZK node in unexpected state: "
+ dataInZNode.getEventType());
return;
}
invokeAssign(regionInfo);
} catch (KeeperException ke) {
LOG.error("Unexpected ZK exception timing out CLOSING region", ke);
return;
}
return;
}
示例2: processOpeningState
import org.apache.hadoop.hbase.zookeeper.ZKAssign; //导入方法依赖的package包/类
private void processOpeningState(HRegionInfo regionInfo) {
LOG.info("Region has been OPENING for too long, reassigning region="
+ regionInfo.getRegionNameAsString());
// Should have a ZK node in OPENING state
try {
String node = ZKAssign.getNodeName(watcher, regionInfo.getEncodedName());
Stat stat = new Stat();
byte [] data = ZKAssign.getDataNoWatch(watcher, node, stat);
if (data == null) {
LOG.warn("Data is null, node " + node + " no longer exists");
return;
}
RegionTransition rt = RegionTransition.parseFrom(data);
EventType et = rt.getEventType();
if (et == EventType.RS_ZK_REGION_OPENED) {
LOG.debug("Region has transitioned to OPENED, allowing "
+ "watched event handlers to process");
return;
} else if (et != EventType.RS_ZK_REGION_OPENING && et != EventType.RS_ZK_REGION_FAILED_OPEN ) {
LOG.warn("While timing out a region, found ZK node in unexpected state: " + et);
return;
}
invokeAssign(regionInfo);
} catch (KeeperException ke) {
LOG.error("Unexpected ZK exception timing out CLOSING region", ke);
} catch (DeserializationException e) {
LOG.error("Unexpected exception parsing CLOSING region", e);
}
}