gran.tools.cache
Class QueryCachedSwarmCache

java.lang.Object
  gran.tools.cache.QueryCachedSwarmCache

All Implemented Interfaces:

net.sf.hibernate.cache.Cache

public class QueryCachedSwarmCache

extends java.lang.Object

implements net.sf.hibernate.cache.Cache

Author:

Jason Carreira, Gavin King

Constructor Summary

QueryCachedSwarmCache(ObjectCache cache)

Method Summary

void	clear() Clear the cache
void	destroy() Clean up
java.lang.Object	get(java.lang.Object key) Get an item from the cache
int	getTimeout() Get a reasonable "lock timeout"
void	lock(java.lang.Object key) If this is a clustered cache, lock the item
long	nextTimestamp() Generate a (coarse) timestamp
void	put(java.lang.Object key, java.lang.Object value) Add an item to the cache
void	remove(java.lang.Object key) Remove an item from the cache
void	unlock(java.lang.Object key) If this is a clustered cache, unlock the item

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryCachedSwarmCache

public QueryCachedSwarmCache(ObjectCache cache)

Method Detail

get

public java.lang.Object get(java.lang.Object key)
                     throws net.sf.hibernate.cache.CacheException

Get an item from the cache

Specified by:

get in interface net.sf.hibernate.cache.Cache

Parameters:

key -

Returns:

the cached object or null

Throws:

net.sf.hibernate.cache.CacheException

put

public void put(java.lang.Object key,
                java.lang.Object value)
         throws net.sf.hibernate.cache.CacheException

Add an item to the cache

Specified by:

put in interface net.sf.hibernate.cache.Cache

Parameters:

key -

value -

Throws:

net.sf.hibernate.cache.CacheException

remove

public void remove(java.lang.Object key)
            throws net.sf.hibernate.cache.CacheException

Remove an item from the cache

Specified by:

remove in interface net.sf.hibernate.cache.Cache

Throws:

net.sf.hibernate.cache.CacheException

clear

public void clear()
           throws net.sf.hibernate.cache.CacheException

Clear the cache

Specified by:

clear in interface net.sf.hibernate.cache.Cache

Throws:

net.sf.hibernate.cache.CacheException

destroy

public void destroy()
             throws net.sf.hibernate.cache.CacheException

Clean up

Specified by:

destroy in interface net.sf.hibernate.cache.Cache

Throws:

net.sf.hibernate.cache.CacheException

lock

public void lock(java.lang.Object key)
          throws net.sf.hibernate.cache.CacheException

If this is a clustered cache, lock the item

Specified by:

lock in interface net.sf.hibernate.cache.Cache

Throws:

net.sf.hibernate.cache.CacheException

unlock

public void unlock(java.lang.Object key)
            throws net.sf.hibernate.cache.CacheException

If this is a clustered cache, unlock the item

Specified by:

unlock in interface net.sf.hibernate.cache.Cache

Throws:

net.sf.hibernate.cache.CacheException

nextTimestamp

public long nextTimestamp()

Generate a (coarse) timestamp

Specified by:

nextTimestamp in interface net.sf.hibernate.cache.Cache

getTimeout

public int getTimeout()

Get a reasonable "lock timeout"

Specified by:

getTimeout in interface net.sf.hibernate.cache.Cache