de.otto.synapse.consumer

Class DispatchingMessageConsumer

java.lang.Object

de.otto.synapse.consumer.DispatchingMessageConsumer

All Implemented Interfaces:

MessageConsumer<java.lang.String>, java.util.function.Consumer<Message<java.lang.String>>

public class DispatchingMessageConsumer
extends java.lang.Object
implements MessageConsumer<java.lang.String>

A MessageConsumer that is acting as a MessageDispatcher for multiple MessageConsumers.

Messages are translated to the format expected by the registered consumers.

Constructor Summary

Constructors

Constructor and Description
DispatchingMessageConsumer(com.fasterxml.jackson.databind.ObjectMapper objectMapper)
DispatchingMessageConsumer(com.fasterxml.jackson.databind.ObjectMapper objectMapper, java.util.List<MessageConsumer<?>> messageConsumers)

Method Summary

Modifier and Type	Method and Description
void	accept(Message<java.lang.String> message) Accepts a message with JSON String payload, dispatches this method to the different registered consumers if their MessageConsumer.keyPattern() matches, and translates the JSON payload into the expected MessageConsumer.payloadType() of the receiving MessageConsumer.
void	add(MessageConsumer<?> messageConsumer)
java.util.List<MessageConsumer<?>>	getAll()
java.util.regex.Pattern	keyPattern() Returns the pattern of event keys accepted by this consumer.
java.lang.Class<java.lang.String>	payloadType() Returns the expected payload type of events consumed by this EventConsumer.

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.otto.synapse.consumer.MessageConsumer

of

Methods inherited from interface java.util.function.Consumer

andThen

Constructor Detail

DispatchingMessageConsumer

public DispatchingMessageConsumer(com.fasterxml.jackson.databind.ObjectMapper objectMapper)

DispatchingMessageConsumer

public DispatchingMessageConsumer(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                                  java.util.List<MessageConsumer<?>> messageConsumers)

Method Detail

add

public void add(MessageConsumer<?> messageConsumer)

getAll

public java.util.List<MessageConsumer<?>> getAll()

payloadType

@Nonnull
public java.lang.Class<java.lang.String> payloadType()

Returns the expected payload type of events consumed by this EventConsumer.

Specified by:

payloadType in interface MessageConsumer<java.lang.String>

Returns:

payload type

keyPattern

@Nonnull
public java.util.regex.Pattern keyPattern()

Returns the pattern of event keys accepted by this consumer.

Specified by:

keyPattern in interface MessageConsumer<java.lang.String>

Returns:

Pattern

accept

public void accept(Message<java.lang.String> message)

Accepts a message with JSON String payload, dispatches this method to the different registered consumers if their MessageConsumer.keyPattern() matches, and translates the JSON payload into the expected MessageConsumer.payloadType() of the receiving MessageConsumer.

Specified by:

accept in interface java.util.function.Consumer<Message<java.lang.String>>

Parameters:

message - the input argument