org.apache.openejb.core.managed

Interface Cache<K,V>

All Known Implementing Classes:

SimpleCache

public interface Cache<K,V>

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	Cache.CacheFilter<V> CacheFileter is used to select values to remove during a removeAll invocation.
static interface	Cache.CacheListener<V> Callback listener for cache events.

Method Summary

Methods

Modifier and Type	Method and Description
void	add(K key, V value) Add a new entry to the cache.
void	checkIn(K key) Marks the entry available, so it can be accessed again.
V	checkOut(K key) Marks the entry checked-out, so this entry can not be accessed until checked-in.
Cache.CacheListener<V>	getListener() Gets the listener for cache events.
V	remove(K key) Removes the entry from the cache.
void	removeAll(Cache.CacheFilter<V> filter) Removes all of th entries that match the specified filter.
void	setListener(Cache.CacheListener<V> listener) Sets the listener for cache events.

Method Detail

getListener

Cache.CacheListener<V> getListener()

Gets the listener for cache events.

setListener

void setListener(Cache.CacheListener<V> listener)

Sets the listener for cache events. This should be called by the container before using the cache.

add

void add(K key,
       V value)

Add a new entry to the cache. The entry is marked checked-out and can not be accessed again until checked-in.

checkOut

V checkOut(K key)
           throws Exception

Marks the entry checked-out, so this entry can not be accessed until checked-in.

Throws:

IllegalStateException - if the entry is already checked out.

Exception - if an entry is loaded and the afterLoad method threw an exception

checkIn

void checkIn(K key)

Marks the entry available, so it can be accessed again.

Throws:

IllegalStateException - if the entry is not checked out.

remove

V remove(K key)

Removes the entry from the cache.

removeAll

void removeAll(Cache.CacheFilter<V> filter)

Removes all of th entries that match the specified filter.