Package org.apache.curator.x.discovery
Interface ServiceCache<T>
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- All Superinterfaces:
java.lang.AutoCloseable
,java.io.Closeable
,InstanceProvider<T>
,org.apache.curator.framework.listen.Listenable<ServiceCacheListener>
- All Known Implementing Classes:
ServiceCacheImpl
public interface ServiceCache<T> extends java.io.Closeable, org.apache.curator.framework.listen.Listenable<ServiceCacheListener>, InstanceProvider<T>
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.util.List<ServiceInstance<T>>
getInstances()
Return the current list of instances.void
start()
The cache must be started before use
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Method Detail
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getInstances
java.util.List<ServiceInstance<T>> getInstances()
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 interfaceInstanceProvider<T>
- Returns:
- the list
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start
void start() throws java.lang.Exception
The cache must be started before use- Throws:
java.lang.Exception
- errors
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