Stomp::ack

stomp_ack

(PECL stomp >= 0.1.0)

Stomp::ack -- stomp_ackAcknowledges consumption of a message

Açıklama

Nesne yönelimli kullanım (method):

public Stomp::ack ( mixed $msg [, array $headers ] ) : bool

Yordamsal kullanım:

stomp_ack ( resource $link , mixed $msg [, array $headers ] ) : bool

Acknowledges consumption of a message from a subscription using client acknowledgment.

Değiştirgeler

link

Procedural style only: The stomp link identifier returned by stomp_connect().

msg

The message/messageId to be acknowledged.

headers

Associative array containing the additional headers (example: receipt).

Dönen Değerler

Başarı durumunda TRUE, başarısızlık durumunda FALSE döner.

Notlar

Bilginize:

A transaction header may be specified, indicating that the message acknowledgment should be part of the named transaction.

İpucu

Stomp is inherently asynchronous. Synchronous communication can be implemented adding a receipt header. This will cause methods to not return anything until the server has acknowledged receipt of the message or until read timeout was reached.

Örnekler

Örnek 1 Nesne yönelimli kullanım

<?php

$queue  
'/queue/foo';
$msg    'bar';

/* connection */
try {
    
$stomp = new Stomp('tcp://localhost:61613');
} catch(
StompException $e) {
    die(
'Connection failed: ' $e->getMessage());
}

/* send a message to the queue 'foo' */
$stomp->send($queue$msg);

/* subscribe to messages from the queue 'foo' */
$stomp->subscribe($queue);

/* read a frame */
$frame $stomp->readFrame();

if (
$frame->body === $msg) {
    
/* acknowledge that the frame was received */
    
$stomp->ack($frame);
}

/* remove the subscription */
$stomp->unsubscribe($queue);

/* close connection */
unset($stomp);

?>

Örnek 2 Yordamsal kullanım

<?php

$queue  
'/queue/foo';
$msg    'bar';

/* connection */
$link stomp_connect('ssl://localhost:61612');

/* check connection */
if (!$link) {
    die(
'Connection failed: ' stomp_connect_error());
}

/* begin a transaction */
stomp_begin($link't1');

/* send a message to the queue 'foo' */
stomp_send($link$queue$msg, array('transaction' => 't1'));

/* commit a transaction */
stomp_commit($link't1');

/* subscribe to messages from the queue 'foo' */
stomp_subscribe($link$queue);

/* read a frame */
$frame stomp_read_frame($link);

if (
$frame['body'] === $msg) {
    
/* acknowledge that the frame was received */
    
stomp_ack($link$frame['headers']['message-id']);
}

/* remove the subscription */
stomp_unsubscribe($link$queue);

/* close connection */
stomp_close($link);

?>