org.axonframework.common.annotation
Interface HandlerDefinition<T extends AccessibleObject>

Type Parameters:

T - The type of member supported by this handler

All Known Implementing Classes:

AbstractAnnotatedHandlerDefinition

public interface HandlerDefinition<T extends AccessibleObject>

Defines which members (methods, constructors, etc) are considered message handlers. A typical approach is by adding an annotation on the method, but it is certainly not limited to that approach.

Since:

2.1

Author:

Allard Buijze

Method Summary

boolean	isMessageHandler(T member) Indicates whether the given member is to be considered a message handler
Class<?>	resolvePayloadFor(T member) Returns the explicitly defined payload of supported messages on the given member

Method Detail

isMessageHandler

boolean isMessageHandler(T member)

Indicates whether the given member is to be considered a message handler

Parameters:

member - The member to verify

Returns:

true if the given member is a message handler, otherwise false

resolvePayloadFor

Class<?> resolvePayloadFor(T member)

Returns the explicitly defined payload of supported messages on the given member

Parameters:

member - the member method

Returns:

the explicitly configured payload type, or null if the payload must be deducted from the handler's parameters