Examples of org.axonframework.commandhandling.CommandBus.subscribe()

Package org.axonframework.commandhandling

Class org.axonframework.commandhandling.CommandBus

Examples of org.axonframework.commandhandling.CommandBus.subscribe()

org.axonframework.commandhandling.CommandBus.subscribe()
Subscribe the given handler to commands of type commandType.
If a subscription already exists for the given type, the behavior is undefined. Implementations may throw an Exception to refuse duplicate subscription or alternatively decide whether the existing or new handler gets the subscription. @param commandName The name of the command to subscribe the handler to @param handler The handler instance that handles the given type of command @param < C> The Type of command

        // we need to configure the repository
        EventSourcingRepository<ToDoItem> repository = new EventSourcingRepository<ToDoItem>(ToDoItem.class, eventStore);
        repository.setEventBus(eventBus);


        // Register the Command Handlers with the command bus by subscribing to the name of the command
        commandBus.subscribe(CreateToDoItemCommand.class.getName(),
                new CreateToDoCommandHandler(repository));
        commandBus.subscribe(MarkCompletedCommand.class.getName(),
                new MarkCompletedCommandHandler(repository));


        // We register an event listener to see which events are created

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        repository.setEventBus(eventBus);


        // Register the Command Handlers with the command bus by subscribing to the name of the command
        commandBus.subscribe(CreateToDoItemCommand.class.getName(),
                new CreateToDoCommandHandler(repository));
        commandBus.subscribe(MarkCompletedCommand.class.getName(),
                new MarkCompletedCommandHandler(repository));


        // We register an event listener to see which events are created
        eventBus.subscribe(new ToDoEventListener());

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        // a CommandGateway has a much nicer API
        CommandGateway commandGateway = new DefaultCommandGateway(commandBus);


        // let's register a Command Handler that writes to System Out so we can see what happens
        commandBus.subscribe(MarkToDoItemOverdueCommand.class.getName(),
                new CommandHandler<MarkToDoItemOverdueCommand>() {
                    @Override
                    public Object handle(CommandMessage<MarkToDoItemOverdueCommand> commandMessage,
                                         UnitOfWork unitOfWork) throws Throwable {
                        System.out.println(String.format("Got command to mark [%s] overdue!",

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            @Override
            public void add(MyAggregate aggregate) {
                throw new UnsupportedOperationException("Not implemented yet");
            }
        };
        cb.subscribe(String.class.getName(), new MyCommandHandler(repository));
//        new AnnotationCommandHandlerAdapter(new MyCommandHandler(repository), cb).subscribe();




        long COMMAND_COUNT = 5 * 1000 * 1000;
        cb.dispatch(GenericCommandMessage.asCommandMessage("ready,"));

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