org.objectweb.jac.aspects.cache
Class CacheAC

java.lang.Object
  |
  +--org.objectweb.jac.core.AspectComponent
        |
        +--org.objectweb.jac.aspects.cache.CacheAC

All Implemented Interfaces:

BaseProgramListener, CacheConf, Serializable

public class CacheAC

extends AspectComponent

implements CacheConf

This aspect handle caching of method results.

See Also:

Serialized Form

Field Summary

static String

IGNORED_PARAMETERS

Fields inherited from class org.objectweb.jac.core.AspectComponent

application, blockKeywords, cr, currentConfigMethod, currentImports, firstCall, NOT_SHARED, SHARED, startWeavingCCount, startWeavingCount, startWeavingMethod, startWeavingType, systemListener, wrappers

Fields inherited from interface org.objectweb.jac.core.BaseProgramListener

FOUND_OBJECT

Constructor Summary

CacheAC()

Method Summary

void	cache(String classExpr, String methodExpr) Cache a method result.
void	cacheWithTimeStamps(String classExpr, String methodExpr, String stampsName) Specifies that the result of some methods should be cache.
void	invalidateCache()
void	setIgnoredParameters(AbstractMethodItem method, int[] ignored) Tells the cache aspect that some parameters of a method should be ignored for all cache operations.

Methods inherited from class org.objectweb.jac.core.AspectComponent

addWrapper, afterApplicationStarted, afterRunningWrapper, afterWrap, afterWrappeeInit, attr, attrdef, beforeConfiguration, beforeReload, beforeRunningWrapper, beforeWrappeeInit, configure, defines, defineTimer, doRegister, doUnregister, error, getAC, getApplication, getBlockKeywords, getConfigurationMethods, getConfigurationMethodsName, getConfigurationMethodsName, getDefaultConfigs, getName, getNameCounters, getWrappers, init, isConfigurationMethod, isSystemListener, onExit, pointcut, pointcut, pointcut, pointcut, pointcut, pointcut, pointcut, pointcut, setApplication, setAttribute, setAttribute, setAttribute, setSystemListener, simulateUsingNewInstance, unweave, unwrapAll, updateNameCounters, warning, weave, whenClone, whenCloseDisplay, whenConfigured, whenDeleted, whenDeserialized, whenFree, whenGetObjects, whenNameObject, whenObjectMiss, whenReload, whenRemoteInstantiation, whenSerialized, whenTopologyChanged, whenUsingNewClass, whenUsingNewInstance

Methods inherited from class java.lang.Object

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

Field Detail

IGNORED_PARAMETERS

public static final String IGNORED_PARAMETERS

See Also:

Constant Field Values

Constructor Detail

CacheAC

public CacheAC()

Method Detail

cache

public void cache(String classExpr,
                  String methodExpr)

Cache a method result.

Specified by:

cache in interface CacheConf

Parameters:

classExpr - the classes

methodExpr - the methods cached

See Also:

CacheConf.cacheWithTimeStamps(String,String,String)

cacheWithTimeStamps

public void cacheWithTimeStamps(String classExpr,
                                String methodExpr,
                                String stampsName)

Description copied from interface: CacheConf

Specifies that the result of some methods should be cache.

Same as cache(), but the cache is invalidated if one of the parameters changed (according to the timestamp aspect) since the cached value was stored.

Specified by:

cacheWithTimeStamps in interface CacheConf

Parameters:

classExpr - which classes' method to cache

methodExpr - which methods to cache

stampsName - name of the timestamp repository object to use (e.g "timestamps#0")

See Also:

CacheConf.cache(String,String), TimestampConf

setIgnoredParameters

public void setIgnoredParameters(AbstractMethodItem method,
                                 int[] ignored)

Description copied from interface: CacheConf

Tells the cache aspect that some parameters of a method should be ignored for all cache operations.

As far as the cache is concerned, they will be null.

Specified by:

setIgnoredParameters in interface CacheConf

Parameters:

method - the method to configure

ignored - the indexes of parameters to be ignored (starting at 0)

invalidateCache

public void invalidateCache()