org.axonframework.messaging.annotation

Class MultiHandlerEnhancerDefinition

java.lang.Object

org.axonframework.messaging.annotation.MultiHandlerEnhancerDefinition

All Implemented Interfaces:

HandlerEnhancerDefinition

public class MultiHandlerEnhancerDefinition
extends Object
implements HandlerEnhancerDefinition

HandlerEnhancerDefinition instance that delegates to multiple other instances, in the order provided.

Since:

3.3

Author:

Tyler Thrailkill

Constructor Summary

Constructors

Constructor and Description
MultiHandlerEnhancerDefinition(Collection<HandlerEnhancerDefinition> delegates) Initializes an instance that delegates to the given delegates, in the order provided.
MultiHandlerEnhancerDefinition(HandlerEnhancerDefinition... delegates) Initializes an instance that delegates to the given delegates, in the order provided.

Method Summary

Modifier and Type	Method and Description
List<HandlerEnhancerDefinition>	getDelegates() Returns the delegates of this instance, in the order they are evaluated to resolve parameters.
static MultiHandlerEnhancerDefinition	ordered(Collection<HandlerEnhancerDefinition> delegates) Creates a MultiHandlerEnhancerDefinition instance with the given delegates, which are automatically ordered based on the @Priority annotation on their respective classes.
static MultiHandlerEnhancerDefinition	ordered(HandlerEnhancerDefinition... delegates) Creates a MultiHandlerEnhancerDefinition instance with the given delegates, which are automatically ordered based on the @Priority annotation on their respective classes.
<T> MessageHandlingMember<T>	wrapHandler(MessageHandlingMember<T> original) Enhance the given original handler.

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiHandlerEnhancerDefinition

public MultiHandlerEnhancerDefinition(HandlerEnhancerDefinition... delegates)

Initializes an instance that delegates to the given delegates, in the order provided. Changes in the given array are not reflected in the created instance.

Parameters:

delegates - The enhancers providing the parameter values to use

MultiHandlerEnhancerDefinition

public MultiHandlerEnhancerDefinition(Collection<HandlerEnhancerDefinition> delegates)

Initializes an instance that delegates to the given delegates, in the order provided. Changes in the given List are not reflected in the created instance.

Parameters:

delegates - The list of enhancers providing the parameter values to use

Method Detail

ordered

public static MultiHandlerEnhancerDefinition ordered(HandlerEnhancerDefinition... delegates)

Creates a MultiHandlerEnhancerDefinition instance with the given delegates, which are automatically ordered based on the @Priority annotation on their respective classes. Classes with the same Priority are kept in the order as provided in the delegates.

If one of the delegates is a MultiHandlerEnhancerDefinition itself, that factory's delegates are 'mixed' with the given delegates, based on their respective order.

Parameters:

delegates - The delegates to include in the factory

Returns:

an instance delegating to the given delegates

ordered

public static MultiHandlerEnhancerDefinition ordered(Collection<HandlerEnhancerDefinition> delegates)

Creates a MultiHandlerEnhancerDefinition instance with the given delegates, which are automatically ordered based on the @Priority annotation on their respective classes. Classes with the same Priority are kept in the order as provided in the delegates.

If one of the delegates is a MultiHandlerEnhancerDefinition itself, that factory's delegates are 'mixed' with the given delegates, based on their respective order.

Parameters:

delegates - The delegates to include in the factory

Returns:

an instance delegating to the given delegates

getDelegates

public List<HandlerEnhancerDefinition> getDelegates()

Returns the delegates of this instance, in the order they are evaluated to resolve parameters.

Returns:

the delegates of this instance, in the order they are evaluated to resolve parameters

wrapHandler

public <T> MessageHandlingMember<T> wrapHandler(@Nonnull
                                                MessageHandlingMember<T> original)

Description copied from interface: HandlerEnhancerDefinition

Enhance the given original handler. Implementations may return the original message handler.

Specified by:

wrapHandler in interface HandlerEnhancerDefinition

Type Parameters:

T - The type of object that will perform the actual handling of the message

Parameters:

original - The original message handler

Returns:

The enhanced message handler