Package org.datanucleus.api.jdo

Class JDODataStoreCache

java.lang.Object

org.datanucleus.api.jdo.JDODataStoreCache

All Implemented Interfaces:

Serializable, javax.jdo.datastore.DataStoreCache

public class JDODataStoreCache
extends Object
implements javax.jdo.datastore.DataStoreCache, Serializable

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

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface javax.jdo.datastore.DataStoreCache

javax.jdo.datastore.DataStoreCache.EmptyDataStoreCache

Constructor Summary

Constructors

Constructor	Description
JDODataStoreCache(org.datanucleus.cache.Level2Cache cache)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	evict(Object oid)	Evict the parameter instance from the second-level cache.
void	evictAll()	Evict the parameter instances from the second-level cache.
void	evictAll(boolean subclasses, Class pcClass)	Evict the parameter instances from the second-level cache.
void	evictAll(Object... oids)	Evict the parameter instances from the second-level cache.
void	evictAll(Collection oids)	Evict the parameter instances from the second-level cache.
org.datanucleus.cache.Level2Cache	getLevel2Cache()	Accessor for the underlying Level 2 cache.
void	pin(Object oid)	Pin the parameter instance in the second-level cache.
void	pinAll(boolean subclasses, Class pcClass)	Pin instances in the second-level cache.
void	pinAll(Object... oids)	Pin the parameter instances in the second-level cache.
void	pinAll(Collection oids)	Pin the parameter instances in the second-level cache.
void	unpin(Object oid)	Unpin the parameter instance from the second-level cache.
void	unpinAll(boolean subclasses, Class pcClass)	Unpin instances from the second-level cache.
void	unpinAll(Object... oids)	Unpin the parameter instance from the second-level cache.
void	unpinAll(Collection oids)	Unpin the parameter instances from the second-level cache.

Methods inherited from class java.lang.Object

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

Constructor Detail

JDODataStoreCache

public JDODataStoreCache(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.

evict

public void evict(Object oid)

Evict the parameter instance from the second-level cache.

Specified by:

evict in interface javax.jdo.datastore.DataStoreCache

Parameters:

oid - the object id of the instance to evict.

evictAll

public void evictAll()

Evict the parameter instances from the second-level cache. All instances in the PersistenceManager's cache are evicted from the second-level cache.

Specified by:

evictAll in interface javax.jdo.datastore.DataStoreCache

evictAll

public void evictAll(Object... oids)

Evict the parameter instances from the second-level cache.

Specified by:

evictAll in interface javax.jdo.datastore.DataStoreCache

Parameters:

oids - the object ids of the instance to evict.

evictAll

public void evictAll(Collection oids)

Evict the parameter instances from the second-level cache.

Specified by:

evictAll in interface javax.jdo.datastore.DataStoreCache

Parameters:

oids - the object ids of the instance to evict.

evictAll

public void evictAll(boolean subclasses,
                     Class pcClass)

Evict the parameter instances from the second-level cache.

Specified by:

evictAll in interface javax.jdo.datastore.DataStoreCache

Parameters:

pcClass - the class of instances to evict

subclasses - if true, evict instances of subclasses also

pin

public void pin(Object oid)

Pin the parameter instance in the second-level cache.

Specified by:

pin in interface javax.jdo.datastore.DataStoreCache

Parameters:

oid - the object id of the instance to pin.

pinAll

public void pinAll(Collection oids)

Pin the parameter instances in the second-level cache.

Specified by:

pinAll in interface javax.jdo.datastore.DataStoreCache

Parameters:

oids - the object ids of the instances to pin.

pinAll

public void pinAll(Object... oids)

Pin the parameter instances in the second-level cache.

Specified by:

pinAll in interface javax.jdo.datastore.DataStoreCache

Parameters:

oids - the object ids of the instances to pin.

pinAll

public void pinAll(boolean subclasses,
                   Class pcClass)

Pin instances in the second-level cache.

Specified by:

pinAll in interface javax.jdo.datastore.DataStoreCache

Parameters:

subclasses - if true, pin instances of subclasses also

pcClass - the class of instances to pin

unpin

public void unpin(Object oid)

Unpin the parameter instance from the second-level cache.

Specified by:

unpin in interface javax.jdo.datastore.DataStoreCache

Parameters:

oid - the object id of the instance to unpin.

unpinAll

public void unpinAll(Collection oids)

Unpin the parameter instances from the second-level cache.

Specified by:

unpinAll in interface javax.jdo.datastore.DataStoreCache

Parameters:

oids - the object ids of the instance to evict.

unpinAll

public void unpinAll(Object... oids)

Unpin the parameter instance from the second-level cache.

Specified by:

unpinAll in interface javax.jdo.datastore.DataStoreCache

Parameters:

oids - the object id of the instance to evict.

unpinAll

public void unpinAll(boolean subclasses,
                     Class pcClass)

Unpin instances from the second-level cache.

Specified by:

unpinAll in interface javax.jdo.datastore.DataStoreCache

Parameters:

subclasses - if true, unpin instances of subclasses also

pcClass - the class of instances to unpin