Package org.apache.qpid.protonj2.engine

Class EmptyEnvelope

java.lang.Object

org.apache.qpid.protonj2.engine.PerformativeEnvelope<Performative>

org.apache.qpid.protonj2.engine.IncomingAMQPEnvelope

org.apache.qpid.protonj2.engine.EmptyEnvelope

public final class EmptyEnvelope
extends IncomingAMQPEnvelope

An empty envelope which can be used to drive transport activity when idle.

Field Summary

Fields

Modifier and Type	Field	Description
static EmptyEnvelope	INSTANCE	The singleton instance of the EmptyEnvelope type.

Fields inherited from class org.apache.qpid.protonj2.engine.IncomingAMQPEnvelope

AMQP_FRAME_TYPE

Method Summary

Modifier and Type	Method	Description
<E> void	invoke(Performative.PerformativeHandler<E> handler, E context)	Invoke the correct PerformativeHandler event based on the body of this IncomingAMQPEnvelope
String	toString()

Methods inherited from class org.apache.qpid.protonj2.engine.IncomingAMQPEnvelope

release

Methods inherited from class org.apache.qpid.protonj2.engine.PerformativeEnvelope

getBody, getChannel, getFrameType, getPayload

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final EmptyEnvelope INSTANCE

The singleton instance of the EmptyEnvelope type.

Method Detail

toString

public String toString()

Overrides:

toString in class PerformativeEnvelope<Performative>

invoke

public <E> void invoke(Performative.PerformativeHandler<E> handler,
                       E context)

Description copied from class: IncomingAMQPEnvelope

Invoke the correct PerformativeHandler event based on the body of this IncomingAMQPEnvelope

Overrides:

invoke in class IncomingAMQPEnvelope

Type Parameters:

E - The type that the Performative handler expects for the context value.

Parameters:

handler - The handler that should be used to process the current body value.

context - The context that should be passed along for the current event.