Package io.axoniq.framework.workflow.configuration

Class AnnotatedWorkflowHandlerDefinition

java.lang.Object

io.axoniq.framework.workflow.configuration.AnnotatedWorkflowHandlerDefinition

All Implemented Interfaces:

HandlerDefinition

@Internal
public class AnnotatedWorkflowHandlerDefinition
extends Object
implements HandlerDefinition

HandlerDefinition recognizing Workflow-annotated methods, building a MethodInvokingMessageHandlingMember for each.

A @Workflow body is assigned WorkflowTriggerMessage as its message type and WorkflowContext as its expected payload type, since the synthesized command that invokes it always carries the workflow context as its payload.

Since:

5.4.0

Author:

Steven van Beelen

Constructor Summary

Constructors

Constructor	Description
AnnotatedWorkflowHandlerDefinition()

Method Summary

Modifier and Type	Method	Description
<T> Optional<MessageHandlingMember<T>>	createHandler(Class<T> declaringType, Method method, ParameterResolverFactory parameterResolverFactory, Function<Object,MessageStream<?>> messageStreamResolver)	Create a MessageHandlingMember for the given method method.

Methods inherited from class java.lang.Object

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

Constructor Details

AnnotatedWorkflowHandlerDefinition

public AnnotatedWorkflowHandlerDefinition()

Method Details

createHandler

public <T> Optional<MessageHandlingMember<T>> createHandler(Class<T> declaringType,
 Method method,
 ParameterResolverFactory parameterResolverFactory,
 Function<Object,MessageStream<?>> messageStreamResolver)

Description copied from interface: HandlerDefinition

Create a MessageHandlingMember for the given method method. Use the given parameterResolverFactory to resolve the method's parameters.

Specified by:

createHandler in interface HandlerDefinition

Type Parameters:

T - The type of the declaring object

Parameters:

declaringType - The type of object declaring the given method

method - The method to inspect

parameterResolverFactory - Factory for a ParameterResolver of the method

messageStreamResolver - The lambda resolving a MessageStream out of the result from MessageHandlingMember.handle(Message, ProcessingContext, Object).

Returns:

An optional containing the handler if the method is suitable, or an empty Nullable otherwise.