ServiceCache (Curator Service Discovery 4.2.0 API)

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>
```

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

Methods inherited from interface java.io.Closeable
close

Methods inherited from interface org.apache.curator.framework.listen.Listenable
addListener, addListener, removeListener

- Method Detail
  - 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 interface InstanceProvider<T>
    
    Returns:
    
    the list
  - start
```
void start()
    throws java.lang.Exception
```
    The cache must be started before use
    
    Throws:
    
    java.lang.Exception - errors