javax.enterprise.inject.spi
Interface Interceptor<T>

Type Parameters:

T -

All Superinterfaces:

Bean<T>, Contextual<T>

public interface Interceptor<T>
extends Bean<T>

Main interface for all Bean objects representing an interceptor.

Author:

Gavin King, Pete Muir, David Allen

Method Summary

java.util.Set<java.lang.annotation.Annotation>	getInterceptorBindingTypes() The interceptor bindings used to bind an interceptor to a bean
java.lang.Object	intercept(InterceptionType type, T instance, javax.interceptor.InvocationContext ctx) Invokes the specified kind of lifecycle callback or business method upon the given instance
boolean	intercepts(InterceptionType type) Tests if this intercepts callbacks or business methods of the given type

Methods inherited from interface javax.enterprise.inject.spi.Bean

getBeanClass, getInjectionPoints, getName, getQualifiers, getScope, getStereotypes, getTypes, isAlternative, isNullable

Methods inherited from interface javax.enterprise.context.spi.Contextual

create, destroy

Method Detail

getInterceptorBindingTypes

java.util.Set<java.lang.annotation.Annotation> getInterceptorBindingTypes()

The interceptor bindings used to bind an interceptor to a bean

Returns:

the interceptor bindings

intercepts

boolean intercepts(InterceptionType type)

Tests if this intercepts callbacks or business methods of the given type

Parameters:

type - The type of interception

Returns:

true if this intercepts the given type of methods

intercept

java.lang.Object intercept(InterceptionType type,
                           T instance,
                           javax.interceptor.InvocationContext ctx)

Invokes the specified kind of lifecycle callback or business method upon the given instance

Parameters:

type - the interception type

instance - the instance to invoke

ctx - the context for the invocation

Returns:

the return value from the invocation