Package org.axonframework.messaging.eventhandling.replay.annotation

Class ReplayContextParameterResolverFactory

java.lang.Object

org.axonframework.messaging.eventhandling.replay.annotation.ReplayContextParameterResolverFactory

All Implemented Interfaces:

ParameterResolverFactory

public class ReplayContextParameterResolverFactory
extends Object
implements ParameterResolverFactory

An implementation of the ParameterResolverFactory which resolves the parameter annotated with ReplayContext.

Will resolve the parameter from the ProcessingContext if it contains a ReplayToken with a matching context of that type. Otherwise, it will resolve always to null. This parameter resolver will always match to prevent missing event handlers.

Since:

4.6.0

Author:

Mitchell Herrijgers

Constructor Summary

Constructors

Constructor	Description
ReplayContextParameterResolverFactory()

Method Summary

Modifier and Type	Method	Description
ParameterResolver<Object>	createInstance(Executable executable, Parameter[] parameters, int parameterIndex)	If available, creates a ParameterResolver instance that can provide a parameter of type parameterType for a given message.

Methods inherited from class java.lang.Object

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

Constructor Details

ReplayContextParameterResolverFactory

public ReplayContextParameterResolverFactory()

Method Details

createInstance

@Nullable
public ParameterResolver<Object> createInstance(@Nonnull
 Executable executable,
 @Nonnull
 Parameter[] parameters,
 int parameterIndex)

Description copied from interface: ParameterResolverFactory

If available, creates a ParameterResolver instance that can provide a parameter of type parameterType for a given message.

If the ParameterResolverFactory cannot provide a suitable ParameterResolver, returns null.

Specified by:

createInstance in interface ParameterResolverFactory

Parameters:

executable - The executable (constructor or method) to inspect.

parameters - The parameters on the executable to inspect.

parameterIndex - The index of the parameter to return a ParameterResolver for.

Returns:

A suitable ParameterResolver, or null if none is found.