io.pythagoras.messagebus.core

Class MessageBusService

java.lang.Object

io.pythagoras.messagebus.core.MessageBusService

All Implemented Interfaces:

IMessageBus

@Service
public class MessageBusService
extends Object
implements IMessageBus

Constructor Summary

Constructors

Constructor and Description
MessageBusService(MessageBusAdapterProvider messageBusAdapterProvider, MessageContractProvider messageContractProvider, MessageHandlerProvider messageHandlerProvider, MessageFactory messageFactory, MessageBusProperties properties)

Method Summary

Modifier and Type	Method and Description
void	disableMessageBus() Disables the message bus.
void	enableMessageBus() Enables the message bus.
void	init()
void	receiveMessage(IBusMessage busMessage) Handles a generic message coming in from the message Bus, and converts it into the specific contract types and dispatches it.
void	sendMessage(IMessageContract message) Takes the specific message, turns it into a generic message, and send to the message bus.

Methods inherited from class java.lang.Object

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

Constructor Detail

MessageBusService

@Autowired
public MessageBusService(MessageBusAdapterProvider messageBusAdapterProvider,
                                    MessageContractProvider messageContractProvider,
                                    MessageHandlerProvider messageHandlerProvider,
                                    MessageFactory messageFactory,
                                    MessageBusProperties properties)

Method Detail

init

@PostConstruct
public void init()

sendMessage

public void sendMessage(IMessageContract message)
                 throws MessageSendingException

Takes the specific message, turns it into a generic message, and send to the message bus.

Specified by:

sendMessage in interface IMessageBus

Parameters:

message - send message into the bus

Throws:

MessageSendingException - on any failure

receiveMessage

public void receiveMessage(IBusMessage busMessage)
                    throws HandleMessageFailureException

Handles a generic message coming in from the message Bus, and converts it into the specific contract types and dispatches it.

Specified by:

receiveMessage in interface IMessageBus

Parameters:

busMessage - the message received from the bus

Throws:

HandleMessageFailureException - on any failure

disableMessageBus

public void disableMessageBus()
                       throws MessageBusStateException

Description copied from interface: IMessageBus

Disables the message bus. If already disabled, then it does nothing. Will no longer send or receive messages.

Specified by:

disableMessageBus in interface IMessageBus

Throws:

MessageBusStateException - When it is unable to result in a disabled state.

enableMessageBus

public void enableMessageBus()
                      throws MessageBusStateException

Description copied from interface: IMessageBus

Enables the message bus. If already enabled then it does nothing. Will go through reinitialization of queues and topics which makes this an expensive call.

Specified by:

enableMessageBus in interface IMessageBus

Throws:

MessageBusStateException