org.springframework.integration.support

Class AckUtils

java.lang.Object

org.springframework.integration.support.AckUtils

public final class AckUtils
extends java.lang.Object

Utility methods for acting on AcknowledgmentCallback headers.

Since:

5.0.1

Author:

Gary Russell

Method Summary

Modifier and Type	Method and Description
static void	accept(AcknowledgmentCallback ackCallback) ACCEPT the associated message if the callback is not null.
static void	autoAck(AcknowledgmentCallback ackCallback) ACCEPT an AcknowledgmentCallback if it's not null, supports auto ack and is not already ack'd.
static void	autoNack(AcknowledgmentCallback ackCallback) REJECT an AcknowledgmentCallback if it's not null, supports auto ack and is not already ack'd.
static AcknowledgmentCallback	getAckCallback(org.springframework.messaging.Message<?> message) Return the AcknowledgmentCallback header (if present).
static void	reject(AcknowledgmentCallback ackCallback) REJECT the associated message if the callback is not null.
static void	requeue(AcknowledgmentCallback ackCallback) REQUEUE the associated message if the callback is not null.

Methods inherited from class java.lang.Object

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

Method Detail

getAckCallback

@Nullable
public static AcknowledgmentCallback getAckCallback(org.springframework.messaging.Message<?> message)

Return the AcknowledgmentCallback header (if present).

Parameters:

message - the message.

Returns:

the callback, or null.

autoAck

public static void autoAck(AcknowledgmentCallback ackCallback)

ACCEPT an AcknowledgmentCallback if it's not null, supports auto ack and is not already ack'd.

Parameters:

ackCallback - the callback.

autoNack

public static void autoNack(AcknowledgmentCallback ackCallback)

REJECT an AcknowledgmentCallback if it's not null, supports auto ack and is not already ack'd.

Parameters:

ackCallback - the callback.

accept

public static void accept(@Nullable
                          AcknowledgmentCallback ackCallback)

ACCEPT the associated message if the callback is not null.

Parameters:

ackCallback - the callback.

reject

public static void reject(@Nullable
                          AcknowledgmentCallback ackCallback)

REJECT the associated message if the callback is not null.

Parameters:

ackCallback - the callback.

requeue

public static void requeue(@Nullable
                           AcknowledgmentCallback ackCallback)

REQUEUE the associated message if the callback is not null.

Parameters:

ackCallback - the callback.