org.jboss.cache.interceptors
Class CacheStoreInterceptor

java.lang.Object
  org.jboss.cache.interceptors.Interceptor
      org.jboss.cache.interceptors.CacheStoreInterceptor

All Implemented Interfaces:

CacheStoreInterceptorMBean, InterceptorMBean

public class CacheStoreInterceptor
extends Interceptor
implements CacheStoreInterceptorMBean

Writes modifications back to the store on the way out: stores modifications back through the CacheLoader, either after each method call (no TXs), or at TX commit.

Version:

$Id: CacheStoreInterceptor.java,v 1.54 2007/07/17 14:10:21 msurtani Exp $

Author:

Bela Ban

Field Summary

protected CacheLoader	loader
protected CacheLoaderConfig	loaderConfig
protected javax.transaction.TransactionManager	tx_mgr
protected TransactionTable	tx_table

Fields inherited from class org.jboss.cache.interceptors.Interceptor

cache, configuration, last, log, next

Constructor Summary

CacheStoreInterceptor()

Method Summary

java.util.Map<java.lang.String,java.lang.Object>	dumpStatistics() This implementation returns an empty Map.
long	getCacheLoaderStores() Returns the number of cache loader stores
java.lang.Object	invoke(InvocationContext ctx) Pass the method on.
void	resetStatistics() This implementation is a no-op.
void	setCache(CacheSPI cache)

Methods inherited from class org.jboss.cache.interceptors.Interceptor

getLast, getNext, getStatisticsEnabled, isActive, isOnePhaseCommitPrepareMehod, isPreparing, isValid, setLast, setNext, setStatisticsEnabled, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jboss.cache.interceptors.InterceptorMBean

getStatisticsEnabled, setStatisticsEnabled

Field Detail

loaderConfig

protected CacheLoaderConfig loaderConfig

tx_mgr

protected javax.transaction.TransactionManager tx_mgr

tx_table

protected TransactionTable tx_table

loader

protected CacheLoader loader

Constructor Detail

CacheStoreInterceptor

public CacheStoreInterceptor()

Method Detail

setCache

public void setCache(CacheSPI cache)

Overrides:

setCache in class Interceptor

invoke

public java.lang.Object invoke(InvocationContext ctx)
                        throws java.lang.Throwable

Pass the method on. When it returns, store the modification back to the store using the CacheLoader. In case of a transaction, register for TX completion (2PC) and at TX commit, write modifications made under the given TX to the CacheLoader

Overrides:

invoke in class Interceptor

Returns:

Throws:

java.lang.Throwable

getCacheLoaderStores

public long getCacheLoaderStores()

Description copied from interface: CacheStoreInterceptorMBean

Returns the number of cache loader stores

Specified by:

getCacheLoaderStores in interface CacheStoreInterceptorMBean

Returns:

the number of cache loader stores

resetStatistics

public void resetStatistics()

Description copied from class: Interceptor

This implementation is a no-op. If individual Interceptors wish to expose statistics, they can override this method.

Specified by:

resetStatistics in interface InterceptorMBean

Overrides:

resetStatistics in class Interceptor

dumpStatistics

public java.util.Map<java.lang.String,java.lang.Object> dumpStatistics()

Description copied from class: Interceptor

This implementation returns an empty Map. If individual Interceptors wish to expose statistics, they can override this method.

Specified by:

dumpStatistics in interface InterceptorMBean

Overrides:

dumpStatistics in class Interceptor

Returns:

a map containing statistics