org.datanucleus.jpa
Class JPADataStoreCache

java.lang.Object
  org.datanucleus.jpa.JPADataStoreCache

All Implemented Interfaces:

Cache

public class JPADataStoreCache
extends java.lang.Object
implements Cache

Implementation of the JPA DataStoreCache. Provides a wrapper and hands off calls to the underlying Level2 cache.

Constructor Summary

JPADataStoreCache(org.datanucleus.cache.Level2Cache cache)
Constructor.

Method Summary

boolean	contains(java.lang.Class cls, java.lang.Object pk) Accessor for whether the object with specified PK is contained in the cache.
void	evict(java.lang.Class cls) Evict the parameter instance from the second-level cache.
void	evict(java.lang.Class cls, java.lang.Object pk) Evict the parameter instance from the second-level cache.
void	evictAll() Evict all instances from the second-level cache.
org.datanucleus.cache.Level2Cache	getLevel2Cache() Accessor for the underlying Level 2 cache.

Methods inherited from class java.lang.Object

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

Constructor Detail

JPADataStoreCache

public JPADataStoreCache(org.datanucleus.cache.Level2Cache cache)

Constructor.

Parameters:

cache - Level 2 Cache

Method Detail

getLevel2Cache

public org.datanucleus.cache.Level2Cache getLevel2Cache()

Accessor for the underlying Level 2 cache.

Returns:

Underlying L2 cache.

contains

public boolean contains(java.lang.Class cls,
                        java.lang.Object pk)

Accessor for whether the object with specified PK is contained in the cache.

Specified by:

contains in interface Cache

Parameters:

cls - The class

pk - PK of the instance to evict.

Returns:

whether it is contained

evictAll

public void evictAll()

Evict all instances from the second-level cache.

Specified by:

evictAll in interface Cache

evict

public void evict(java.lang.Class cls)

Evict the parameter instance from the second-level cache.

Specified by:

evict in interface Cache

Parameters:

cls - Class of which to evict all objects

evict

public void evict(java.lang.Class cls,
                  java.lang.Object pk)

Evict the parameter instance from the second-level cache.

Specified by:

evict in interface Cache

Parameters:

cls - Class of which to evict the object

pk - PK of the instance to evict.