org.hibernate.cache
Class SwarmCache

java.lang.Object
  org.hibernate.cache.SwarmCache

All Implemented Interfaces:

Cache

public class SwarmCache
extends Object
implements Cache

Author:

Jason Carreira, Gavin King

Constructor Summary

SwarmCache(net.sf.swarmcache.ObjectCache cache, String regionName)

Method Summary

void	clear() Clear the cache
void	destroy() Clean up
Object	get(Object key) Get an item from the cache
long	getElementCountInMemory()
long	getElementCountOnDisk()
String	getRegionName()
long	getSizeInMemory()
int	getTimeout() Get a reasonable "lock timeout"
void	lock(Object key) If this is a clustered cache, lock the item
long	nextTimestamp() Generate a (coarse) timestamp
void	put(Object key, Object value) Add an item to the cache
Object	read(Object key)
void	remove(Object key) Remove an item from the cache
Map	toMap()
String	toString()
void	unlock(Object key) If this is a clustered cache, unlock the item
void	update(Object key, Object value) Add an item to the cache

Methods inherited from class java.lang.Object

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

Constructor Detail

SwarmCache

public SwarmCache(net.sf.swarmcache.ObjectCache cache,
                  String regionName)

Method Detail

get

public Object get(Object key)
           throws CacheException

Get an item from the cache

Specified by:

get in interface Cache

Parameters:

key -

Returns:

the cached object or null

Throws:

CacheException

read

public Object read(Object key)
            throws CacheException

Specified by:

read in interface Cache

Throws:

CacheException

update

public void update(Object key,
                   Object value)
            throws CacheException

Add an item to the cache

Specified by:

update in interface Cache

Parameters:

key -

value -

Throws:

CacheException

put

public void put(Object key,
                Object value)
         throws CacheException

Add an item to the cache

Specified by:

put in interface Cache

Parameters:

key -

value -

Throws:

CacheException

remove

public void remove(Object key)
            throws CacheException

Remove an item from the cache

Specified by:

remove in interface Cache

Throws:

CacheException

clear

public void clear()
           throws CacheException

Clear the cache

Specified by:

clear in interface Cache

Throws:

CacheException

destroy

public void destroy()
             throws CacheException

Clean up

Specified by:

destroy in interface Cache

Throws:

CacheException

lock

public void lock(Object key)
          throws CacheException

If this is a clustered cache, lock the item

Specified by:

lock in interface Cache

Throws:

CacheException

unlock

public void unlock(Object key)
            throws CacheException

If this is a clustered cache, unlock the item

Specified by:

unlock in interface Cache

Throws:

CacheException

nextTimestamp

public long nextTimestamp()

Generate a (coarse) timestamp

Specified by:

nextTimestamp in interface Cache

getTimeout

public int getTimeout()

Get a reasonable "lock timeout"

Specified by:

getTimeout in interface Cache

getRegionName

public String getRegionName()

Specified by:

getRegionName in interface Cache

getSizeInMemory

public long getSizeInMemory()

Specified by:

getSizeInMemory in interface Cache

getElementCountInMemory

public long getElementCountInMemory()

Specified by:

getElementCountInMemory in interface Cache

getElementCountOnDisk

public long getElementCountOnDisk()

Specified by:

getElementCountOnDisk in interface Cache

toMap

public Map toMap()

Specified by:

toMap in interface Cache

toString

public String toString()

Overrides:

toString in class Object