Package org.apache.pulsar.zookeeper

Class LocalZooKeeperCache

java.lang.Object

org.apache.pulsar.zookeeper.ZooKeeperCache

org.apache.pulsar.zookeeper.LocalZooKeeperCache

All Implemented Interfaces:

org.apache.zookeeper.Watcher

public class LocalZooKeeperCache
extends ZooKeeperCache

Per ZK client ZooKeeper cache supporting ZNode data and children list caches. A cache entry is identified, accessed and invalidated by the ZNode path. For the data cache, ZNode data parsing is done at request time with the given ZooKeeperCache.Deserializer argument.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.pulsar.zookeeper.ZooKeeperCache

ZooKeeperCache.CacheUpdater<T>, ZooKeeperCache.Deserializer<T>

Nested classes/interfaces inherited from interface org.apache.zookeeper.Watcher

org.apache.zookeeper.Watcher.Event, org.apache.zookeeper.Watcher.WatcherType

Field Summary

Fields inherited from class org.apache.pulsar.zookeeper.ZooKeeperCache

childrenCache, dataCache, existsCache, ZK_CACHE_INSTANCE, zkSession

Constructor Summary

Constructors

Constructor	Description
LocalZooKeeperCache(org.apache.zookeeper.ZooKeeper zk, int zkOperationTimeoutSeconds, org.apache.bookkeeper.common.util.OrderedExecutor executor)

Method Summary

Modifier and Type	Method	Description
<T> void	process(org.apache.zookeeper.WatchedEvent event, ZooKeeperCache.CacheUpdater<T> updater)

Methods inherited from class org.apache.pulsar.zookeeper.ZooKeeperCache

asyncInvalidate, checkRegNodeAndWaitExpired, exists, existsAsync, getChildren, getChildrenAsync, getChildrenIfPresent, getData, getData, getDataAsync, getDataAsync, getDataIfPresent, getEntry, getEntryAsync, getZkOperationTimeoutSeconds, getZooKeeper, invalidate, invalidateAll, invalidateAllChildren, invalidateAllData, invalidateChildren, invalidateData, invalidateRoot, process, stop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LocalZooKeeperCache

public LocalZooKeeperCache(org.apache.zookeeper.ZooKeeper zk,
                           int zkOperationTimeoutSeconds,
                           org.apache.bookkeeper.common.util.OrderedExecutor executor)

Method Detail

process

public <T> void process(org.apache.zookeeper.WatchedEvent event,
                        ZooKeeperCache.CacheUpdater<T> updater)

Overrides:

process in class ZooKeeperCache