org.axonframework.eventhandling.saga

Class AbstractResourceInjector

java.lang.Object

org.axonframework.eventhandling.saga.AbstractResourceInjector

All Implemented Interfaces:

ResourceInjector

Direct Known Subclasses:

AutowiredResourceInjector, ConfigurationResourceInjector, SimpleResourceInjector

public abstract class AbstractResourceInjector
extends Object
implements ResourceInjector

Abstract implementation of a ResourceInjector for sagas that injects field and method resources. Resources are provided by the concrete implementation.

Author:

Allard Buijze

Constructor Summary

Constructors

Constructor and Description
AbstractResourceInjector()

Method Summary

Modifier and Type	Method and Description
protected abstract <R> Optional<R>	findResource(Class<R> requiredType) Returns a resource of given requiredType or an empty Optional if the resource is not registered with the injector.
protected String[]	injectorAnnotationNames() Provides an array with fully qualified class names of the annotation that indicate an injection point for a resource.
void	injectResources(Object saga) Inject required resources into the given saga.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractResourceInjector

public AbstractResourceInjector()

Method Detail

injectResources

public void injectResources(Object saga)

Description copied from interface: ResourceInjector

Inject required resources into the given saga.

Specified by:

injectResources in interface ResourceInjector

Parameters:

saga - The saga to inject resources into

findResource

protected abstract <R> Optional<R> findResource(Class<R> requiredType)

Returns a resource of given requiredType or an empty Optional if the resource is not registered with the injector.

Type Parameters:

R - the resource type

Parameters:

requiredType - the class of the resource to find

Returns:

an Optional that contains the resource if it was found

injectorAnnotationNames

protected String[] injectorAnnotationNames()

Provides an array with fully qualified class names of the annotation that indicate an injection point for a resource. By default, these are:

• javax.inject.Inject, and
• org.springframework.beans.factory.annotation.Autowired

Returns:

an array with fully qualified class names of annotations