edu.umass.cs.utils

Interface Diskable<K,V>

Type Parameters:

K -

V -

All Known Implementing Classes:

DiskMap

public interface Diskable<K,V>

Author:

arun

Method Summary

Modifier and Type	Method and Description
java.util.Set<K>	commit(java.util.Map<K,V> toCommit) This method should return only after successfully persisting the key,value pair, otherwise it should throw an exception.
V	restore(K key)

Method Detail

commit

java.util.Set<K> commit(java.util.Map<K,V> toCommit)
                 throws java.io.IOException

This method should return only after successfully persisting the key,value pair, otherwise it should throw an exception.

Parameters:

toCommit -

Returns:

Set of successfully committed keys.

Throws:

java.io.IOException

restore

V restore(K key)
   throws java.io.IOException

Parameters:

key -

Returns:

Value corresponding to key in the persistent store.

Throws:

java.io.IOException