org.apache.whirr.state

Class MemoryClusterStateStore

java.lang.Object

org.apache.whirr.state.ClusterStateStore

org.apache.whirr.state.MemoryClusterStateStore

public class MemoryClusterStateStore
extends ClusterStateStore

Memory only cluster state storage useful for testing

Constructor Summary

Constructors

Constructor and Description
MemoryClusterStateStore()

Method Summary

Methods

Modifier and Type	Method and Description
void	destroy() Destroys the provided cluster's state in storage.
Cluster	load() Deserializes cluster state from storage.
void	save(Cluster cluster) Saves cluster state to storage.

Methods inherited from class org.apache.whirr.state.ClusterStateStore

serialize, tryLoadOrEmpty, unserialize

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryClusterStateStore

public MemoryClusterStateStore()

Method Detail

load

public Cluster load()
             throws IOException

Description copied from class: ClusterStateStore

Deserializes cluster state from storage.

Specified by:

load in class ClusterStateStore

Returns:

Throws:

IOException

save

public void save(Cluster cluster)
          throws IOException

Description copied from class: ClusterStateStore

Saves cluster state to storage.

Specified by:

save in class ClusterStateStore

Throws:

IOException

destroy

public void destroy()
             throws IOException

Description copied from class: ClusterStateStore

Destroys the provided cluster's state in storage.

Specified by:

destroy in class ClusterStateStore

Throws:

IOException