org.jboss.cache.interceptors
Class CacheStoreInterceptor

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

All Implemented Interfaces:

CacheStoreInterceptorMBean, InterceptorMBean

public class CacheStoreInterceptor
extends BaseCacheLoaderInterceptor
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 1.18 2006/04/01 17:40:12 msurtani Exp $

Author:

Bela Ban

Field Summary

protected CacheLoaderConfig	loaderConfig
protected static java.lang.Object	NULL
protected EDU.oswego.cs.dl.util.concurrent.ConcurrentHashMap	transactions List that we have registered for
protected javax.transaction.TransactionManager	tx_mgr
protected TransactionTable	tx_table

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

loader

Constructor Summary

CacheStoreInterceptor()

Method Summary

protected Modification	convertMethodCallToModification(org.jgroups.blocks.MethodCall methodCall)
java.util.Map	dumpStatistics() Returns a map of the cache interceptor's statistics Map elements consist of {String name, Object value} entries
long	getCacheLoaderStores() Returns the number of cache loader stores
java.lang.Object	invoke(org.jgroups.blocks.MethodCall m) Pass the method on.
void	resetStatistics() Resets an interceptor's cache statistics
void	setCache(TreeCache cache)

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

obtainLoaderLock, obtainLoaderLocks, releaseLoaderLock, releaseLoaderLocks

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

getInvocationContext, getNext, getStatisticsEnabled, isActive, isOnePhaseCommitPrepareMehod, isPreparing, isTransactionLifecycleMethod, isValid, setInvocationContext, setNext, setStatisticsEnabled

Methods inherited from class java.lang.Object

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

transactions

protected EDU.oswego.cs.dl.util.concurrent.ConcurrentHashMap transactions

List that we have registered for

NULL

protected static final java.lang.Object NULL

Constructor Detail

CacheStoreInterceptor

public CacheStoreInterceptor()

Method Detail

setCache

public void setCache(TreeCache cache)

Overrides:

setCache in class BaseCacheLoaderInterceptor

invoke

public java.lang.Object invoke(org.jgroups.blocks.MethodCall m)
                        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

Parameters:

m -

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 interface: InterceptorMBean

Resets an interceptor's cache statistics

Specified by:

resetStatistics in interface InterceptorMBean

Overrides:

resetStatistics in class Interceptor

dumpStatistics

public java.util.Map dumpStatistics()

Description copied from interface: InterceptorMBean

Returns a map of the cache interceptor's statistics Map elements consist of {String name, Object value} entries

Specified by:

dumpStatistics in interface InterceptorMBean

Overrides:

dumpStatistics in class Interceptor

Returns:

a map containing statistics

convertMethodCallToModification

protected Modification convertMethodCallToModification(org.jgroups.blocks.MethodCall methodCall)
                                                throws java.lang.Exception

Throws:

java.lang.Exception