Interceptor (JBoss Server API) - JBoss 4.0.1 sp1 server API Documentation 英文版文档

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org.jboss.proxy
Class Interceptor

java.lang.Object
  org.jboss.proxy.Interceptor

All Implemented Interfaces:: Externalizable, Serializable

Direct Known Subclasses:: ClientMethodInterceptor, ClientMethodInterceptor, ExceptionInterceptor, GenericEJBInterceptor, InvokerAdaptorClientInterceptor, InvokerInterceptor, MessageEndpointInterceptor, SecurityInterceptor, TransactionInterceptor

public abstract class Interceptor
extends Object
implements Externalizable

The base class for all interceptors.

Version:: $Revision: 1.4 $
Author:: Marc Fleury
See Also:: Serialized Form

Field Summary

protected Interceptor nextInterceptor
          The next interceptor in the chain.

Constructor Summary

Interceptor()


Method Summary

Interceptor getNext()


abstract Object invoke(Invocation mi)


void readExternal(ObjectInput in)
          Reads the next interceptor.

Interceptor setNext(Interceptor interceptor)
          Set the next interceptor in the chain.

void writeExternal(ObjectOutput out)
          Writes the next interceptor.

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.

Constructor Detail

Interceptor

public Interceptor()

Method Detail

setNext

public Interceptor setNext(Interceptor interceptor)

Set the next interceptor in the chain.

String together the interceptors We return the passed interceptor to allow for interceptor1.setNext(interceptor2).setNext(interceptor3)... constructs.

getNext

public Interceptor getNext()

invoke

public abstract Object invoke(Invocation mi)
                       throws Throwable

Throws:: Throwable

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Writes the next interceptor.

Specified by:: writeExternal in interface Externalizable

Throws:: IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Reads the next interceptor.

Specified by:: readExternal in interface Externalizable

Throws:: IOException; ClassNotFoundException