org.axonframework.commandhandling

Interface CommandHandler<T>

Type Parameters:

T - The type of command this handler can handle

All Known Implementing Classes:

AggregateAnnotationCommandHandler, AnnotationCommandHandlerAdapter, CreateToDoCommandHandler, MarkCompletedCommandHandler

public interface CommandHandler<T>

Marks an instance that is capable of handling commands. CommandHandlers need to be subscribed to a CommandBus in order to receive command of the specified type T.

Since:

0.5

Author:

Allard Buijze

Method Summary

Methods

Modifier and Type	Method and Description
Object	handle(CommandMessage<T> commandMessage, UnitOfWork unitOfWork) Handles the given command.

Method Detail

handle

Object handle(CommandMessage<T> commandMessage,
            UnitOfWork unitOfWork)
              throws Throwable

Handles the given command.

Parameters:

commandMessage - The message carrying the command to process.

unitOfWork - The UnitOfWork the command is processed in

Returns:

The result of the command processing, if any.

Throws:

Throwable - any exception that occurs during command handling