本文整理了Java中org.apache.hadoop.hbase.security.visibility.ZKVisibilityLabelWatcher.getWatcher()方法的一些代码示例，展示了ZKVisibilityLabelWatcher.getWatcher()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。ZKVisibilityLabelWatcher.getWatcher()方法的具体详情如下：
包路径：org.apache.hadoop.hbase.security.visibility.ZKVisibilityLabelWatcher
类名称：ZKVisibilityLabelWatcher
方法名：getWatcher

ZKVisibilityLabelWatcher.getWatcher介绍

暂无

代码示例

代码示例来源：origin: apache/hbase

/**
 * Creates the singleton instance, if not yet present, and returns the same.
 * @param watcher
 * @param conf
 * @return Singleton instance of VisibilityLabelsCache
 * @throws IOException
 */
public synchronized static VisibilityLabelsCache createAndGet(ZKWatcher watcher,
  Configuration conf) throws IOException {
 // VisibilityLabelService#init() for different regions (in same RS) passes same instance of
 // watcher as all get the instance from RS.
 // watcher != instance.zkVisibilityWatcher.getWatcher() - This check is needed only in UTs with
 // RS restart. It will be same JVM in which RS restarts and instance will be not null. But the
 // watcher associated with existing instance will be stale as the restarted RS will have new
 // watcher with it.
 if (instance == null || watcher != instance.zkVisibilityWatcher.getWatcher()) {
  instance = new VisibilityLabelsCache(watcher, conf);
 }
 return instance;
}

代码示例来源：origin: harbby/presto-connectors

/**
 * Creates the singleton instance, if not yet present, and returns the same.
 * @param watcher
 * @param conf
 * @return Singleton instance of VisibilityLabelsCache
 * @throws IOException
 */
public synchronized static VisibilityLabelsCache createAndGet(ZooKeeperWatcher watcher,
  Configuration conf) throws IOException {
 // VisibilityLabelService#init() for different regions (in same RS) passes same instance of
 // watcher as all get the instance from RS.
 // watcher != instance.zkVisibilityWatcher.getWatcher() - This check is needed only in UTs with
 // RS restart. It will be same JVM in which RS restarts and instance will be not null. But the
 // watcher associated with existing instance will be stale as the restarted RS will have new
 // watcher with it.
 if (instance == null || watcher != instance.zkVisibilityWatcher.getWatcher()) {
  instance = new VisibilityLabelsCache(watcher, conf);
 }
 return instance;
}