jasco.runtime.aspect.factory
Class AbstractAspectFactory

java.lang.Object
  jasco.runtime.aspect.factory.AbstractAspectFactory

All Implemented Interfaces:

IAspectFactory

Direct Known Subclasses:

DefaultAspectFactory, WeakReferenceAspectFactory

public abstract class AbstractAspectFactory
extends java.lang.Object
implements IAspectFactory

convenience class. Remmebers hook instances for given keys.

Author:

Wim

Constructor Summary

AbstractAspectFactory(java.util.Map myTable)

Method Summary

IHook	fetchHook(java.lang.Object key) fetches a hook for a given key
java.util.Iterator	getAll() Returns all aspect iunstances currently managed by the factory.
IHook	getAspectInstance(MethodJoinpoint jp, IAspectInstanceCreator creator) Returns the aspect instance applicable at this joinpoint.
IHook	getAspectInstance(java.lang.Object key, IAspectInstanceCreator creator)
abstract java.lang.Object	getKey(MethodJoinpoint jp) Returns the key for looking up hooks given this joinpoint.
void	storeHook(java.lang.Object key, IHook aHook) stores a hook for a given key

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractAspectFactory

public AbstractAspectFactory(java.util.Map myTable)

Method Detail

getAspectInstance

public IHook getAspectInstance(MethodJoinpoint jp,
                               IAspectInstanceCreator creator)

Description copied from interface: IAspectFactory

Returns the aspect instance applicable at this joinpoint. Use the creator for instantiating new hooks if necessary. Return value might be null, a default aspect instance will be used then.

Specified by:

getAspectInstance in interface IAspectFactory

Parameters:

jp - current joinpoint

creator - new hook creator

Returns:

the hook instance for jp

getAspectInstance

public IHook getAspectInstance(java.lang.Object key,
                               IAspectInstanceCreator creator)

getKey

public abstract java.lang.Object getKey(MethodJoinpoint jp)

Returns the key for looking up hooks given this joinpoint. Key may be null, default hook is used in that case.

Parameters:

jp - joinpoint

Returns:

a key for looking up hooks

fetchHook

public IHook fetchHook(java.lang.Object key)

fetches a hook for a given key

Parameters:

key - a key for looking up hooks

Returns:

a hook instance

storeHook

public void storeHook(java.lang.Object key,
                      IHook aHook)

stores a hook for a given key

Parameters:

key -

aHook - a hook

getAll

public java.util.Iterator getAll()

Description copied from interface: IAspectFactory

Returns all aspect iunstances currently managed by the factory.

Specified by:

getAll in interface IAspectFactory