org.jboss.arquillian.warp.spi.observer

Interface RequestObserverChainManager

public interface RequestObserverChainManager

Manages chain of RequestObservers.

Author:

Lukas Fryc

Method Summary

Methods

Modifier and Type	Method and Description
Deque<RequestObserver>	manageObserverChain(Deque<RequestObserver> observers, Class<? extends RequestObserver> expectedObserverType) Manages observer chain.
int	priotity() Defines priority of observer service which specifies in which order will be #manageObserverChain(Collection) method applied on collection of request observers.

Method Detail

manageObserverChain

Deque<RequestObserver> manageObserverChain(Deque<RequestObserver> observers,
                                         Class<? extends RequestObserver> expectedObserverType)

Manages observer chain.

In modified collection, new observers might be added, observers might be removed or their behavior might be changed.

Parameters:

observers - collection of observers which were specified for given request

expectedObserverType - the type of observers which is expected during currently processed request

Returns:

modified collection of

priotity

int priotity()

Defines priority of observer service which specifies in which order will be #manageObserverChain(Collection) method applied on collection of request observers.

DefaultRequestObserverService has priority 0 - no other observer can have this priority.

Services with priority lower than zero will be applied after DefaultRequestObserverService; services with priority higher will be applied before.