Package org.talend.sdk.component.api.service.interceptor

Interface InterceptorHandler

public interface InterceptorHandler

The hook used to implement an interceptor. It can be associated to a Intercepts marker. IMPORTANT: if you want a delegate instance you have to provide a constructor taking an object as parameter. Alternatively you can use a BiFunction<Method, Object[], Object> constructor parameter to be able to delegate the invocation. Else you must provide a default constructor. NOTE: if your interceptor doesn't take an invoker as parameter (java.util.function.BiFunction<Method, Object[], Object>) then the interceptor chain can be broken if you invoke yourself a method. It is recommended to respect it.

Method Summary

Modifier and Type	Method	Description
default <T extends Annotation> Optional<T>	findAnnotation(Method method, Class<T> type)
Object	invoke(Method method, Object[] args)	Called instead of the delegate method.

Method Details

invoke

Object invoke(Method method,
 Object[] args)

Called instead of the delegate method.

Parameters:

method - th emethod being invoked.

args - the parameters of the method.

Returns:

the returned value of the method.

findAnnotation

default <T extends Annotation> Optional<T> findAnnotation(Method method,
 Class<T> type)