Package org.axonframework.messaging.annotation

Class FixedValueParameterResolver<T>

java.lang.Object

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

Type Parameters:

T - The type of value resolved by this parameter

All Implemented Interfaces:

ParameterResolver<T>

public class FixedValueParameterResolver<T>
extends Object
implements ParameterResolver<T>

ParameterResolver implementation that injects a fixed value. Useful for injecting parameter values that do not rely on information contained in the incoming message itself.

Since:

2.0

Author:

Allard Buijze

Constructor Summary

Constructors

Constructor	Description
FixedValueParameterResolver(T value)	Initialize the ParameterResolver to inject the given value for each incoming message.

Method Summary

Modifier and Type	Method	Description
boolean	matches(Message message)	Indicates whether this resolver is capable of providing a value for the given message.
T	resolveParameterValue(Message message)	Resolves the parameter value to use for the given message, or null if no suitable parameter value can be resolved.

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.ParameterResolver

supportedPayloadType

Constructor Details

FixedValueParameterResolver

public FixedValueParameterResolver(T value)

Initialize the ParameterResolver to inject the given value for each incoming message.

Parameters:

value - The value to inject as parameter

Method Details

resolveParameterValue

public T resolveParameterValue(Message message)

Description copied from interface: ParameterResolver

Resolves the parameter value to use for the given message, or null if no suitable parameter value can be resolved.

Specified by:

resolveParameterValue in interface ParameterResolver<T>

Parameters:

message - The message to resolve the value from

Returns:

the parameter value for the handler

matches

public boolean matches(Message message)

Description copied from interface: ParameterResolver

Indicates whether this resolver is capable of providing a value for the given message.

Specified by:

matches in interface ParameterResolver<T>

Parameters:

message - The message to evaluate

Returns:

true if this resolver can provide a value for the message, otherwise false