org.mongodb.morphia.mapping.cache

Class DefaultEntityCache

java.lang.Object

org.mongodb.morphia.mapping.cache.DefaultEntityCache

All Implemented Interfaces:

EntityCache

public class DefaultEntityCache
extends Object
implements EntityCache

This is the default EntityCache for Morphia

Constructor Summary

Constructors

Constructor and Description
DefaultEntityCache()

Method Summary

Modifier and Type	Method and Description
Boolean	exists(Key<?> k) Looks for a Key in the cache
void	flush() Clears the cache
<T> T	getEntity(Key<T> k) Returns the entity for a Key
<T> T	getProxy(Key<T> k) Returns a proxy for the entity for a Key
void	notifyExists(Key<?> k, boolean exists) Notifies the cache of the existence of a Key
<T> void	putEntity(Key<T> k, T t) Adds an entity to the cache
<T> void	putProxy(Key<T> k, T t) Adds a proxy to the cache
EntityCacheStatistics	stats()

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultEntityCache

public DefaultEntityCache()

Method Detail

exists

public Boolean exists(Key<?> k)

Description copied from interface: EntityCache

Looks for a Key in the cache

Specified by:

exists in interface EntityCache

Parameters:

k - the Key to search for

Returns:

true if the Key is found

flush

public void flush()

Description copied from interface: EntityCache

Clears the cache

Specified by:

flush in interface EntityCache

getEntity

public <T> T getEntity(Key<T> k)

Description copied from interface: EntityCache

Returns the entity for a Key

Specified by:

getEntity in interface EntityCache

Type Parameters:

T - the type of the entity

Parameters:

k - the Key to search for

Returns:

the entity

getProxy

public <T> T getProxy(Key<T> k)

Description copied from interface: EntityCache

Returns a proxy for the entity for a Key

Specified by:

getProxy in interface EntityCache

Type Parameters:

T - the type of the entity

Parameters:

k - the Key to search for

Returns:

the proxy

notifyExists

public void notifyExists(Key<?> k,
                         boolean exists)

Description copied from interface: EntityCache

Notifies the cache of the existence of a Key

Specified by:

notifyExists in interface EntityCache

Parameters:

k - the Key

exists - true if the Key represents an existing entity

putEntity

public <T> void putEntity(Key<T> k,
                          T t)

Description copied from interface: EntityCache

Adds an entity to the cache

Specified by:

putEntity in interface EntityCache

Type Parameters:

T - the type of the entity

Parameters:

k - the Key of the entity

t - the entity

putProxy

public <T> void putProxy(Key<T> k,
                         T t)

Description copied from interface: EntityCache

Adds a proxy to the cache

Specified by:

putProxy in interface EntityCache

Type Parameters:

T - the type of the entity

Parameters:

k - the Key of the entity

t - the proxy

stats

public EntityCacheStatistics stats()

Specified by:

stats in interface EntityCache

Returns:

the stats for this cache