com.thimbleware.jmemcached.storage
Interface CacheStorage<K,V extends SizedItem>

All Superinterfaces:

java.util.concurrent.ConcurrentMap<K,V>, java.util.Map<K,V>

All Known Implementing Classes:

BlockStorageCacheStorage, ConcurrentLinkedHashMap

public interface CacheStorage<K,V extends SizedItem>
extends java.util.concurrent.ConcurrentMap<K,V>

The interface for cache storage. Essentially a concurrent map but with methods for investigating the heap state of the storage unit and with additional support for explicit resource-cleanup (close()).

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

java.util.Map.Entry<K,V>

Method Summary

int	capacity()
void	close() Close the storage unit, deallocating any resources it might be currently holding.
long	getMemoryCapacity()
long	getMemoryUsed()

Methods inherited from interface java.util.concurrent.ConcurrentMap

putIfAbsent, remove, replace, replace

Methods inherited from interface java.util.Map

clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values

Method Detail

getMemoryCapacity

long getMemoryCapacity()

Returns:

the capacity (in bytes) of the storage

getMemoryUsed

long getMemoryUsed()

Returns:

the current usage (in bytes) of the storage

capacity

int capacity()

Returns:

the capacity (in # of items) of the storage

close

void close()
           throws java.io.IOException

Close the storage unit, deallocating any resources it might be currently holding.

Throws:

java.io.IOException - thrown if IO faults occur anywhere during close.