server/io.spine.server.event.model/EventReactorMethod

EventReactorMethod

public final class EventReactorMethod extends EventHandlerMethod<T, R> implements EventProducingMethod<T, C, E>

A wrapper for a method which reacts on events.

Functions

messageClass

public EventClass messageClass()

Obtains the type of the incoming message class.

Inherited functions

attributes

public final Set<Attribute<? extends Object>> attributes()

Obtains the set of method attributes configured for this method.

attributeSuppliers

protected Set<Function<Method, Attribute<? extends Object>>> attributeSuppliers()

Obtains a set of functions for getting method attributes by a raw method value.

checkAttributesMatch

protected void checkAttributesMatch(EventEnvelope event)

Ensures that the passed event matches the external attribute of the method annotation.

protected void checkAttributesMatch(E envelope)

Allows to make sure that the passed envelope matches the annotation attributes of a method.

discoverAttributes

public final void discoverAttributes()

Initializes attributes by obtaining values via functions provided by attributeSuppliers.

ensureExternalMatch

public void ensureExternalMatch(boolean expectedValue)

Ensures that the external attribute of the method is the one expected.

equals

public boolean equals(Object obj)

firstParamType

protected static Class<M> firstParamType<M extends Message>(Method handler)

Returns the class of the first parameter of the passed handler method object.

getFullName

public String getFullName()

Returns a full name of the handler method.

handleRejection

protected Optional<Success> handleRejection(ThrowableMessage throwableMessage, T target, E origin)

handlesRejection

public boolean handlesRejection()

Tells whether the handler method is for a rejection.

hashCode

public int hashCode()

invoke

public DispatchOutcome invoke(T target, E envelope)

Feeds the given envelope to the given target and returns the outcome.

isDomestic

public boolean isDomestic()

Tells if the passed method is domestic, that is not marked as external).

isExternal

public boolean isExternal()

Tells if the passed method is external.

isPrivate

protected final boolean isPrivate()

Returns true if the method is declared private, false otherwise.

isPublic

protected final boolean isPublic()

Returns true if the method is declared public, false otherwise.

key

public DispatchKey key()

Creates a handler method dispatch key out of the message class.

parameterSpec

public EventAcceptingMethodParams parameterSpec()

protected ParameterSpec<E> parameterSpec()

Obtains the specification of parameters for this method.

params

public MethodParams params()

Obtains parameters of the method.

producedMessages

public final Set<R> producedMessages()

Retrieves the message classes produced by this handler method.

rawMessageClass

protected Class<? extends M> rawMessageClass()

rawMethod

public final Method rawMethod()

Obtains the handling method.

toString

public String toString()

Obtains the full name of the handler method.

toSuccessfulOutcome

public Success toSuccessfulOutcome(Object rawResult, T target, E handledSignal)

Produces an outcome in case the event producing method call finished successfully.

EventReactorMethod

See also

Functions

Inherited functions