org.jboss.ejb.plugins
Class AbstractInterceptor

java.lang.Object
  org.jboss.ejb.plugins.AbstractInterceptor

All Implemented Interfaces:

AllowedOperationsFlags, ContainerPlugin, Interceptor, org.jboss.system.Service

Direct Known Subclasses:

CallValidationInterceptor, EntityBeanCacheBatchInvalidatorInterceptor, EntityCreationInterceptor, EntityInstanceInterceptor, EntityLockInterceptor, EntityMultiInstanceInterceptor, EntityReentranceInterceptor, EntitySynchronizationInterceptor, JaasAuthenticationInterceptor, JaccAuthorizationInterceptor, JDBCRelationInterceptor, LogInterceptor, MessageDrivenInstanceInterceptor, MessageDrivenTxInterceptorBMT, MetricsInterceptor, ProxyFactoryFinderInterceptor, RelationInterceptor, RunAsSecurityInterceptor, SecurityInterceptor, SecurityProxyInterceptor, SecurityRolesInterceptor, SSLSessionInterceptor, StatefulSessionInstanceInterceptor, StatelessSessionInstanceInterceptor, TxInterceptorBMT, TxInterceptorCMT

public abstract class AbstractInterceptor
extends Object
implements Interceptor

An abstract base class for container interceptors.

Version:

$Revision: 1.20.6.2 $

Author:

Rickard �berg, Jason Dillon

Field Summary

protected Container	container The container the interceptor is associated with
protected org.jboss.logging.Logger	log Logging instance
protected Interceptor	nextInterceptor The next interceptor in the chain.

Fields inherited from interface org.jboss.ejb.AllowedOperationsFlags

IN_AFTER_BEGIN, IN_AFTER_COMPLETION, IN_BEFORE_COMPLETION, IN_BUSINESS_METHOD, IN_EJB_ACTIVATE, IN_EJB_CREATE, IN_EJB_FIND, IN_EJB_HOME, IN_EJB_LOAD, IN_EJB_PASSIVATE, IN_EJB_POST_CREATE, IN_EJB_REMOVE, IN_EJB_STORE, IN_EJB_TIMEOUT, IN_INTERCEPTOR_METHOD, IN_SERVICE_ENDPOINT_METHOD, IN_SET_ENTITY_CONTEXT, IN_SET_MESSAGE_DRIVEN_CONTEXT, IN_SET_SESSION_CONTEXT, IN_UNSET_ENTITY_CONTEXT, NOT_ALLOWED

Constructor Summary

AbstractInterceptor()

Method Summary

void	create()
void	destroy()
Container	getContainer()
Interceptor	getNext() Get the next interceptor in the chain.
Object	invoke(Invocation mi) ???
Object	invokeHome(Invocation mi) ???
boolean	isAppException(Invocation invocation, Throwable e) See if the given exception e is compatible with an exception declared as thrown by the invocation method.
void	setContainer(Container container) This callback is set by the container so that the plugin may access it
void	setNext(Interceptor interceptor) Set the next interceptor in the chain.
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Field Detail

nextInterceptor

protected Interceptor nextInterceptor

The next interceptor in the chain.

log

protected org.jboss.logging.Logger log

Logging instance

container

protected Container container

The container the interceptor is associated with

Constructor Detail

AbstractInterceptor

public AbstractInterceptor()

Method Detail

setContainer

public void setContainer(Container container)

Description copied from interface: ContainerPlugin

This callback is set by the container so that the plugin may access it

Specified by:

setContainer in interface ContainerPlugin

Parameters:

container - The container using this plugin. This may be null if the plugin is being disassociated from a container.

getContainer

public Container getContainer()

setNext

public void setNext(Interceptor interceptor)

Description copied from interface: Interceptor

Set the next interceptor in the chain.

Specified by:

setNext in interface Interceptor

Parameters:

interceptor - The next interceptor in the chain.

getNext

public Interceptor getNext()

Description copied from interface: Interceptor

Get the next interceptor in the chain.

Specified by:

getNext in interface Interceptor

Returns:

The next interceptor in the chain.

create

public void create()
            throws Exception

Specified by:

create in interface org.jboss.system.Service

Throws:

Exception

start

public void start()
           throws Exception

Specified by:

start in interface org.jboss.system.Service

Throws:

Exception

stop

public void stop()

Specified by:

stop in interface org.jboss.system.Service

destroy

public void destroy()

Specified by:

destroy in interface org.jboss.system.Service

invokeHome

public Object invokeHome(Invocation mi)
                  throws Exception

Description copied from interface: Interceptor

???

Specified by:

invokeHome in interface Interceptor

Parameters:

mi - ???

Returns:

???

Throws:

Exception - ???

invoke

public Object invoke(Invocation mi)
              throws Exception

Description copied from interface: Interceptor

???

Specified by:

invoke in interface Interceptor

Parameters:

mi - ???

Returns:

???

Throws:

Exception - ???

isAppException

public boolean isAppException(Invocation invocation,
                              Throwable e)

See if the given exception e is compatible with an exception declared as thrown by the invocation method.

Parameters:

invocation - - the current invocation

e - - the exception thrown by the invocation

Returns:

true if e is a declared exception, false otherwise