Uses of Interface
org.axonframework.messaging.MessageHandler

Packages that use MessageHandler

Package	Description
org.axonframework.commandhandling	Classes that implement the concept of command handling using explicit command objects.
org.axonframework.commandhandling.distributed
org.axonframework.eventhandling	Classes related to event handling and dispatching, such as Event Listeners and the Event Bus.
org.axonframework.messaging	Classes related to message processing in Axon Framework.
org.axonframework.queryhandling
org.axonframework.queryhandling.annotation

Uses of MessageHandler in org.axonframework.commandhandling

Subinterfaces of MessageHandler in org.axonframework.commandhandling

Modifier and Type	Interface	Description
interface	CommandMessageHandler	MessageHandler specialization for handlers of Command Messages.

Classes in org.axonframework.commandhandling that implement MessageHandler

Modifier and Type	Class	Description
class	AnnotationCommandHandlerAdapter<T>	Adapter that turns any @CommandHandler annotated bean into a MessageHandler implementation.

Methods in org.axonframework.commandhandling that return MessageHandler

Modifier and Type	Method	Description
MessageHandler<? super CommandMessage<?>>	DuplicateCommandHandlerResolver.resolve(String commandName, MessageHandler<? super CommandMessage<?>> registeredHandler, MessageHandler<? super CommandMessage<?>> candidateHandler)	Chooses what to do when a duplicate handler is registered, returning the handler that should be selected for command handling, or otherwise throwing an exception to reject registration altogether.
MessageHandler<? super CommandMessage<?>>	FailingDuplicateCommandHandlerResolver.resolve(String commandName, MessageHandler<? super CommandMessage<?>> registeredHandler, MessageHandler<? super CommandMessage<?>> candidateHandler)
MessageHandler<? super CommandMessage<?>>	LoggingDuplicateCommandHandlerResolver.resolve(String commandName, MessageHandler<? super CommandMessage<?>> registeredHandler, MessageHandler<? super CommandMessage<?>> candidateHandler)

Methods in org.axonframework.commandhandling with parameters of type MessageHandler

Modifier and Type	Method	Description
protected <C, R> void	AsynchronousCommandBus.handle(CommandMessage<C> command, MessageHandler<? super CommandMessage<?>> handler, CommandCallback<? super C,? super R> callback)
protected <C, R> void	SimpleCommandBus.handle(CommandMessage<C> command, MessageHandler<? super CommandMessage<?>> handler, CommandCallback<? super C,? super R> callback)	Performs the actual handling logic.
MessageHandler<? super CommandMessage<?>>	DuplicateCommandHandlerResolver.resolve(String commandName, MessageHandler<? super CommandMessage<?>> registeredHandler, MessageHandler<? super CommandMessage<?>> candidateHandler)	Chooses what to do when a duplicate handler is registered, returning the handler that should be selected for command handling, or otherwise throwing an exception to reject registration altogether.
MessageHandler<? super CommandMessage<?>>	FailingDuplicateCommandHandlerResolver.resolve(String commandName, MessageHandler<? super CommandMessage<?>> registeredHandler, MessageHandler<? super CommandMessage<?>> candidateHandler)
MessageHandler<? super CommandMessage<?>>	LoggingDuplicateCommandHandlerResolver.resolve(String commandName, MessageHandler<? super CommandMessage<?>> registeredHandler, MessageHandler<? super CommandMessage<?>> candidateHandler)
Registration	CommandBus.subscribe(String commandName, MessageHandler<? super CommandMessage<?>> handler)	Subscribe the given handler to commands with the given commandName.
Registration	SimpleCommandBus.subscribe(String commandName, MessageHandler<? super CommandMessage<?>> handler)	Subscribe the given handler to commands with given commandName.

Constructors in org.axonframework.commandhandling with parameters of type MessageHandler

Modifier	Constructor	Description
	DuplicateCommandHandlerSubscriptionException(String commandName, MessageHandler<? super CommandMessage<?>> initialHandler, MessageHandler<? super CommandMessage<?>> duplicateHandler)	Initialize a duplicate command handler subscription exception using the given initialHandler and duplicateHandler to form a specific message.

Uses of MessageHandler in org.axonframework.commandhandling.distributed

Methods in org.axonframework.commandhandling.distributed with parameters of type MessageHandler

Modifier and Type	Method	Description
Registration	CommandBusConnector.subscribe(String commandName, MessageHandler<? super CommandMessage<?>> handler)	Subscribes a command message handler for commands with given commandName.
Registration	DistributedCommandBus.subscribe(String commandName, MessageHandler<? super CommandMessage<?>> handler)	Subscribe the given handler to commands with the given commandName.

Uses of MessageHandler in org.axonframework.eventhandling

Subinterfaces of MessageHandler in org.axonframework.eventhandling

Modifier and Type	Interface	Description
interface	EventMessageHandler	Interface to be implemented by classes that can handle events.

Classes in org.axonframework.eventhandling that implement MessageHandler

Modifier and Type	Class	Description
class	AnnotationEventHandlerAdapter	Adapter that turns any bean with EventHandler annotated methods into an EventMessageHandler.

Uses of MessageHandler in org.axonframework.messaging

Constructors in org.axonframework.messaging with parameters of type MessageHandler

Modifier	Constructor	Description
	DefaultInterceptorChain(UnitOfWork<? extends T> unitOfWork, Iterable<? extends MessageHandlerInterceptor<? super T>> interceptors, MessageHandler<? super T> handler)	Initialize the default interceptor chain to dispatch the given message, through the chain, to the handler.

Uses of MessageHandler in org.axonframework.queryhandling

Methods in org.axonframework.queryhandling that return MessageHandler

Modifier and Type	Method	Description
MessageHandler<? super QueryMessage<?,R>>	QuerySubscription.getQueryHandler()	Retrieve the query handler of this subscription as a MessageHandler.

Methods in org.axonframework.queryhandling with parameters of type MessageHandler

Modifier and Type	Method	Description
void	LoggingQueryInvocationErrorHandler.onError(Throwable error, QueryMessage<?,?> queryMessage, MessageHandler messageHandler)
void	QueryInvocationErrorHandler.onError(Throwable error, QueryMessage<?,?> queryMessage, MessageHandler messageHandler)	Invoked when an error occurred while invoking a message handler in a scatter-gather query.
<R> Registration	QueryBus.subscribe(String queryName, Type responseType, MessageHandler<? super QueryMessage<?,R>> handler)	Subscribe the given handler to queries with the given queryName and responseType.
<R> Registration	SimpleQueryBus.subscribe(String queryName, Type responseType, MessageHandler<? super QueryMessage<?,R>> handler)

Constructors in org.axonframework.queryhandling with parameters of type MessageHandler

Modifier	Constructor	Description
	QuerySubscription(Type responseType, MessageHandler<? super QueryMessage<?,R>> queryHandler)	Instantiate a QuerySubscription with a specific responseType and queryHandler.

Uses of MessageHandler in org.axonframework.queryhandling.annotation

Classes in org.axonframework.queryhandling.annotation that implement MessageHandler

Modifier and Type	Class	Description
class	AnnotationQueryHandlerAdapter<T>	Adapter that turns any @QueryHandler annotated bean into a MessageHandler implementation.