org.jboss.weld.interceptor.spi.context

Interface InterceptionChain

All Known Implementing Classes:

AbstractInterceptionChain, SimpleInterceptionChain

public interface InterceptionChain

Represents a chain of interceptor methods to be invoked as part of interception of a business/timeout method or a lifecycle event.

The chain tracks the position of the last-invoked interceptor method internally.

Author:

Marius Bogoevici

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasNextInterceptor() Indicates whether there are not-yet-invoked interceptor methods in the chain.
Object	invokeNextInterceptor(InvocationContext invocationContext) Invokes the next interceptor method in the chain.

Method Detail

invokeNextInterceptor

Object invokeNextInterceptor(InvocationContext invocationContext)
                             throws Exception

Invokes the next interceptor method in the chain. Generally this method should be called once InvocationContext.proceed() is invoked by the interceptor.

Parameters:

invocationContext - the invocation context to be passed to the interceptor method

Returns:

the value returned by the interceptor

Throws:

Exception

hasNextInterceptor

boolean hasNextInterceptor()

Indicates whether there are not-yet-invoked interceptor methods in the chain.

Returns:

true if the chain has not been completed yet, false otherwise