org.hibernate.cache.spi

Interface GeneralDataRegion

All Superinterfaces:

Region

All Known Subinterfaces:

QueryResultsRegion, TimestampsRegion

All Known Implementing Classes:

BaseGeneralDataRegion, ClusteredTimestampsRegionImpl, QueryResultsRegionImpl, TimestampsRegionImpl

public interface GeneralDataRegion
extends Region

Contract for general-purpose cache regions.

Author:

Steve Ebersole

Method Summary

Methods

Modifier and Type	Method and Description
void	evict(Object key) Evict an item from the cache immediately (without regard for transaction isolation).
void	evictAll() Evict all contents of this particular cache region (without regard for transaction isolation).
Object	get(Object key) Get an item from the cache.
void	put(Object key, Object value) Put an item into the cache.

Methods inherited from interface org.hibernate.cache.spi.Region

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

Method Detail

get

Object get(Object key)
           throws CacheException

Get an item from the cache.

Parameters:

key - The key of the item to be retrieved.

Returns:

the cached object or null

Throws:

CacheException - Indicates a problem accessing the item or region.

put

void put(Object key,
       Object value)
         throws CacheException

Put an item into the cache.

Parameters:

key - The key under which to cache the item.

value - The item to cache.

Throws:

CacheException - Indicates a problem accessing the region.

evict

void evict(Object key)
           throws CacheException

Evict an item from the cache immediately (without regard for transaction isolation).

Parameters:

key - The key of the item to remove

Throws:

CacheException - Indicates a problem accessing the item or region.

evictAll

void evictAll()
              throws CacheException

Evict all contents of this particular cache region (without regard for transaction isolation).

Throws:

CacheException - Indicates problem accessing the region.