de.otto.synapse.translator

Interface MessageTranslator<P>

Type Parameters:

P - The type of the translated message's payload

All Known Implementing Classes:

JsonByteBufferMessageTranslator, JsonStringMessageTranslator

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface MessageTranslator<P>

The Message Translator is the messaging equivalent of the Adapter pattern described in [GoF]. An adapter converts the interface of a component into a another interface so it can be used in a different context.

See Also:

EIP: Message Translator

Method Summary

Modifier and Type	Method and Description
static <P> MessageTranslator<P>	of(java.util.function.Function<java.lang.Object,P> payloadTranslator) Creates a MessageTranslator that is translating the message payload using the specified Function, +while keeping Message.getKey() and Message.getHeader() as-is.
Message<P>	translate(Message<?> message) Translates a Message into a Message with payload-type <P>

Method Detail

of

static <P> MessageTranslator<P> of(java.util.function.Function<java.lang.Object,P> payloadTranslator)

Creates a MessageTranslator that is translating the message payload using the specified Function, +while keeping Message.getKey() and Message.getHeader() as-is.

Type Parameters:

P - The type of the resulting Message's payload.

Parameters:

payloadTranslator - the function used to translate the message payload.

Returns:

MessageTranslator

translate

@Nonnull
Message<P> translate(@Nonnull
                               Message<?> message)

Translates a Message into a Message with payload-type <P>

Parameters:

message - Message<?>

Returns:

Message<P>