com.trackstudio.tools.cache
Class QueryCachedSwarmCache

java.lang.Object
  com.trackstudio.tools.cache.QueryCachedSwarmCache

All Implemented Interfaces:

org.hibernate.cache.Cache

public class QueryCachedSwarmCache
extends java.lang.Object
implements org.hibernate.cache.Cache

Author:

Jason Carreira, Gavin King

Constructor Summary

QueryCachedSwarmCache(ObjectCache cache, java.lang.String regionName)

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
long	getElementCountInMemory()
long	getElementCountOnDisk()
java.lang.String	getRegionName()
long	getSizeInMemory()
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
java.lang.Object	read(java.lang.Object key)
void	remove(java.lang.Object key) Remove an item from the cache
java.util.Map	toMap()
void	unlock(java.lang.Object key) If this is a clustered cache, unlock the item
void	update(java.lang.Object key, java.lang.Object value)

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,
                             java.lang.String regionName)

Method Detail

get

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

Get an item from the cache

Specified by:

get in interface org.hibernate.cache.Cache

Parameters:

key -

Returns:

the cached object or null

Throws:

org.hibernate.cache.CacheException

update

public void update(java.lang.Object key,
                   java.lang.Object value)
            throws org.hibernate.cache.CacheException

Specified by:

update in interface org.hibernate.cache.Cache

Throws:

org.hibernate.cache.CacheException

put

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

Add an item to the cache

Specified by:

put in interface org.hibernate.cache.Cache

Parameters:

key -

value -

Throws:

org.hibernate.cache.CacheException

remove

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

Remove an item from the cache

Specified by:

remove in interface org.hibernate.cache.Cache

Throws:

org.hibernate.cache.CacheException

clear

public void clear()
           throws org.hibernate.cache.CacheException

Clear the cache

Specified by:

clear in interface org.hibernate.cache.Cache

Throws:

org.hibernate.cache.CacheException

destroy

public void destroy()
             throws org.hibernate.cache.CacheException

Clean up

Specified by:

destroy in interface org.hibernate.cache.Cache

Throws:

org.hibernate.cache.CacheException

lock

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

If this is a clustered cache, lock the item

Specified by:

lock in interface org.hibernate.cache.Cache

Throws:

org.hibernate.cache.CacheException

unlock

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

If this is a clustered cache, unlock the item

Specified by:

unlock in interface org.hibernate.cache.Cache

Throws:

org.hibernate.cache.CacheException

nextTimestamp

public long nextTimestamp()

Generate a (coarse) timestamp

Specified by:

nextTimestamp in interface org.hibernate.cache.Cache

read

public java.lang.Object read(java.lang.Object key)
                      throws org.hibernate.cache.CacheException

Specified by:

read in interface org.hibernate.cache.Cache

Throws:

org.hibernate.cache.CacheException

getTimeout

public int getTimeout()

Get a reasonable "lock timeout"

Specified by:

getTimeout in interface org.hibernate.cache.Cache

getRegionName

public java.lang.String getRegionName()

Specified by:

getRegionName in interface org.hibernate.cache.Cache

getSizeInMemory

public long getSizeInMemory()

Specified by:

getSizeInMemory in interface org.hibernate.cache.Cache

getElementCountInMemory

public long getElementCountInMemory()

Specified by:

getElementCountInMemory in interface org.hibernate.cache.Cache

getElementCountOnDisk

public long getElementCountOnDisk()

Specified by:

getElementCountOnDisk in interface org.hibernate.cache.Cache

toMap

public java.util.Map toMap()

Specified by:

toMap in interface org.hibernate.cache.Cache