com.hazelcast.hibernate.region

Class HazelcastEntityRegion<Cache extends RegionCache>

java.lang.Object

com.hazelcast.hibernate.region.AbstractTransactionalDataRegion<Cache>

com.hazelcast.hibernate.region.HazelcastEntityRegion<Cache>

Type Parameters:

Cache - implementation type of RegionCache

All Implemented Interfaces:

HazelcastRegion<Cache>, org.hibernate.cache.EntityRegion, org.hibernate.cache.Region, org.hibernate.cache.TransactionalDataRegion

public final class HazelcastEntityRegion<Cache extends RegionCache>
extends AbstractTransactionalDataRegion<Cache>
implements org.hibernate.cache.EntityRegion

An entity region implementation based upon Hazelcast IMap with basic concurrency / transactional support by supplying EntityRegionAccessStrategy

Author:

mdogan 11/9/12

Field Summary

Fields

Modifier and Type	Field and Description
protected Properties	props

Constructor Summary

Constructors

Constructor and Description
HazelcastEntityRegion(com.hazelcast.core.HazelcastInstance instance, String regionName, Properties props, org.hibernate.cache.CacheDataDescription metadata, Cache cache)

Method Summary

Methods

Modifier and Type	Method and Description
org.hibernate.cache.access.EntityRegionAccessStrategy	buildAccessStrategy(org.hibernate.cache.access.AccessType accessType)
boolean	contains(Object key)
void	destroy()
long	getElementCountInMemory()
long	getElementCountOnDisk() Hazelcast does not support pushing elements to disk.
com.hazelcast.core.HazelcastInstance	getInstance()
com.hazelcast.logging.ILogger	getLogger()
String	getName()
long	getSizeInMemory()
int	getTimeout()
long	nextTimestamp()
Map	toMap() Appears to be used only by org.hibernate.stat.SecondLevelCacheStatistics.

Methods inherited from class com.hazelcast.hibernate.region.AbstractTransactionalDataRegion

getCache, getCacheDataDescription, isTransactionAware

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.cache.TransactionalDataRegion

getCacheDataDescription, isTransactionAware

Methods inherited from interface org.hibernate.cache.Region

contains, destroy, getElementCountInMemory, getElementCountOnDisk, getName, getSizeInMemory, getTimeout, nextTimestamp, toMap

Field Detail

props

protected final Properties props

Constructor Detail

HazelcastEntityRegion

public HazelcastEntityRegion(com.hazelcast.core.HazelcastInstance instance,
                     String regionName,
                     Properties props,
                     org.hibernate.cache.CacheDataDescription metadata,
                     Cache cache)

Method Detail

buildAccessStrategy

public org.hibernate.cache.access.EntityRegionAccessStrategy buildAccessStrategy(org.hibernate.cache.access.AccessType accessType)
                                                                          throws org.hibernate.cache.CacheException

Specified by:

buildAccessStrategy in interface org.hibernate.cache.EntityRegion

Throws:

org.hibernate.cache.CacheException

destroy

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

Specified by:

destroy in interface org.hibernate.cache.Region

Throws:

org.hibernate.cache.CacheException

getElementCountInMemory

public long getElementCountInMemory()

Specified by:

getElementCountInMemory in interface org.hibernate.cache.Region

Returns:

The size of the internal IMap.

getElementCountOnDisk

public long getElementCountOnDisk()

Hazelcast does not support pushing elements to disk.

Specified by:

getElementCountOnDisk in interface org.hibernate.cache.Region

Returns:

-1 this value means "unsupported"

getName

public String getName()

Specified by:

getName in interface org.hibernate.cache.Region

Returns:

The name of the region.

getSizeInMemory

public long getSizeInMemory()

Specified by:

getSizeInMemory in interface org.hibernate.cache.Region

Returns:

a rough estimate of number of bytes used by this region.

getTimeout

public final int getTimeout()

Specified by:

getTimeout in interface org.hibernate.cache.Region

nextTimestamp

public final long nextTimestamp()

Specified by:

nextTimestamp in interface org.hibernate.cache.Region

toMap

public Map toMap()

Appears to be used only by org.hibernate.stat.SecondLevelCacheStatistics.

Specified by:

toMap in interface org.hibernate.cache.Region

Returns:

the internal IMap used for this region.

contains

public boolean contains(Object key)

Specified by:

contains in interface org.hibernate.cache.Region

getInstance

public final com.hazelcast.core.HazelcastInstance getInstance()

Specified by:

getInstance in interface HazelcastRegion<Cache extends RegionCache>

getLogger

public final com.hazelcast.logging.ILogger getLogger()

Specified by:

getLogger in interface HazelcastRegion<Cache extends RegionCache>