org.axonframework.modelling.saga

Class SagaMethodMessageHandlingMember<T>

java.lang.Object

org.axonframework.messaging.annotation.WrappedMessageHandlingMember<T>

org.axonframework.modelling.saga.SagaMethodMessageHandlingMember<T>

All Implemented Interfaces:

org.axonframework.messaging.annotation.MessageHandlingMember<T>

public class SagaMethodMessageHandlingMember<T>
extends org.axonframework.messaging.annotation.WrappedMessageHandlingMember<T>

A data holder containing information of SagaEventHandler annotated methods.

Since:

2.0

Author:

Allard Buijze, Sofia Guy Ang

Constructor Summary

Constructors

Constructor and Description
SagaMethodMessageHandlingMember(org.axonframework.messaging.annotation.MessageHandlingMember<T> delegate, SagaCreationPolicy creationPolicy, String associationKey, String associationPropertyName, AssociationResolver associationResolver) Creates a SagaMethodMessageHandler.

Method Summary

Modifier and Type	Method and Description
AssociationValue	getAssociationValue(org.axonframework.eventhandling.EventMessage<?> eventMessage) The AssociationValue to find the saga instance with, or null if no AssociationValue can be found on the given eventMessage.
SagaCreationPolicy	getCreationPolicy() Returns the creation policy of the inspected method.
Object	handle(org.axonframework.messaging.Message<?> message, T target)

Methods inherited from class org.axonframework.messaging.annotation.WrappedMessageHandlingMember

annotationAttributes, attribute, canHandle, canHandleMessageType, canHandleType, hasAnnotation, payloadType, priority, unwrap

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.axonframework.messaging.annotation.MessageHandlingMember

declaringClass, signature

Constructor Detail

SagaMethodMessageHandlingMember

public SagaMethodMessageHandlingMember(org.axonframework.messaging.annotation.MessageHandlingMember<T> delegate,
                                       SagaCreationPolicy creationPolicy,
                                       String associationKey,
                                       String associationPropertyName,
                                       AssociationResolver associationResolver)

Creates a SagaMethodMessageHandler.

Parameters:

creationPolicy - The creation policy for the handlerMethod

delegate - The message handler for the event

associationKey - The association key configured for this handler

associationPropertyName - The association property name to look up in the message

associationResolver - The association resolver configured for this handler

Method Detail

getAssociationValue

public AssociationValue getAssociationValue(org.axonframework.eventhandling.EventMessage<?> eventMessage)

The AssociationValue to find the saga instance with, or null if no AssociationValue can be found on the given eventMessage.

Parameters:

eventMessage - The event message containing the value of the association

Returns:

the AssociationValue to find the saga instance with, or null if none found

handle

public Object handle(@Nonnull
                     org.axonframework.messaging.Message<?> message,
                     T target)
              throws Exception

Specified by:

handle in interface org.axonframework.messaging.annotation.MessageHandlingMember<T>

Overrides:

handle in class org.axonframework.messaging.annotation.WrappedMessageHandlingMember<T>

Throws:

Exception

getCreationPolicy

public SagaCreationPolicy getCreationPolicy()

Returns the creation policy of the inspected method.

Returns:

the creation policy of the inspected method