net.sf.jso.cache
Class JSOObjectDataCache

java.lang.Object
  net.sf.jso.cache.JSOObjectDataCache

All Implemented Interfaces:

ObjectDataCache

public class JSOObjectDataCache

extends java.lang.Object

implements ObjectDataCache

Object caching management classes.

Constructor Summary

JSOObjectDataCache(int cacheSize)
Constructs the cache.

Method Summary

ObjectData	get(OID oid) Gets an object's data in the cache.
CacheInfo	getCacheInfo() Gets cache information.
void	invalidate() Invalidates all cached data.
void	invalidate(java.lang.Class cls) Invalidates all data of objects of a class.
void	invalidate(OID oid) Invalidates an object's data.
ObjectData	put(ObjectData data) Puts an object's data in the cache.

Methods inherited from class java.lang.Object

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

Constructor Detail

JSOObjectDataCache

public JSOObjectDataCache(int cacheSize)

Constructs the cache.

Parameters:

cacheSize - Size of the cache.

Method Detail

put

public ObjectData put(ObjectData data)

Puts an object's data in the cache.

Specified by:

put in interface ObjectDataCache

Parameters:

data - Object's data.

get

public ObjectData get(OID oid)

Gets an object's data in the cache.

Specified by:

get in interface ObjectDataCache

Parameters:

oid - Object's identification.

Returns:

If an object associated with the supplied oid is found its data is returned. Otherwise null is returned.

invalidate

public void invalidate()

Invalidates all cached data.

Specified by:

invalidate in interface ObjectDataCache

getCacheInfo

public CacheInfo getCacheInfo()

Gets cache information.

Specified by:

getCacheInfo in interface ObjectDataCache

Returns:

Information about the cache.

invalidate

public void invalidate(OID oid)

Invalidates an object's data.

Specified by:

invalidate in interface ObjectDataCache

Parameters:

oid - Object's identification.

invalidate

public void invalidate(java.lang.Class cls)

Invalidates all data of objects of a class.

Specified by:

invalidate in interface ObjectDataCache

Parameters:

cls - The class of the objects.