org.apache.curator.x.discovery.details

Class ServiceCacheImpl<T>

java.lang.Object

org.apache.curator.x.discovery.details.ServiceCacheImpl<T>

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.curator.framework.listen.Listenable<ServiceCacheListener>, org.apache.curator.framework.recipes.cache.PathChildrenCacheListener, InstanceProvider<T>, ServiceCache<T>

public class ServiceCacheImpl<T>
extends Object
implements ServiceCache<T>, org.apache.curator.framework.recipes.cache.PathChildrenCacheListener

Method Summary

Modifier and Type	Method and Description
void	addListener(ServiceCacheListener listener)
void	addListener(ServiceCacheListener listener, Executor executor)
void	childEvent(org.apache.curator.framework.CuratorFramework client, org.apache.curator.framework.recipes.cache.PathChildrenCacheEvent event)
void	close()
List<ServiceInstance<T>>	getInstances() Return the current list of instances.
void	removeListener(ServiceCacheListener listener)
void	start() The cache must be started before use

Methods inherited from class java.lang.Object

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

Method Detail

getInstances

public List<ServiceInstance<T>> getInstances()

Description copied from interface: ServiceCache

Return the current list of instances. NOTE: there is no guarantee of freshness. This is merely the last known list of instances. However, the list is updated via a ZooKeeper watcher so it should be fresh within a window of a second or two.

Specified by:

getInstances in interface InstanceProvider<T>

Specified by:

getInstances in interface ServiceCache<T>

Returns:

the list

start

public void start()
           throws Exception

Description copied from interface: ServiceCache

The cache must be started before use

Specified by:

start in interface ServiceCache<T>

Throws:

Exception - errors

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

addListener

public void addListener(ServiceCacheListener listener)

Specified by:

addListener in interface org.apache.curator.framework.listen.Listenable<ServiceCacheListener>

addListener

public void addListener(ServiceCacheListener listener,
                        Executor executor)

Specified by:

addListener in interface org.apache.curator.framework.listen.Listenable<ServiceCacheListener>

removeListener

public void removeListener(ServiceCacheListener listener)

Specified by:

removeListener in interface org.apache.curator.framework.listen.Listenable<ServiceCacheListener>

childEvent

public void childEvent(org.apache.curator.framework.CuratorFramework client,
                       org.apache.curator.framework.recipes.cache.PathChildrenCacheEvent event)
                throws Exception

Specified by:

childEvent in interface org.apache.curator.framework.recipes.cache.PathChildrenCacheListener

Throws:

Exception