GearmanClient::setCompleteCallback

(PECL gearman >= 0.5.0)

GearmanClient::setCompleteCallback — Set a function to be called on task completion

说明

public GearmanClient::setCompleteCallback(callable $callback): bool

Use to set a function to be called when a GearmanTask is completed, or when GearmanJob::sendComplete() is invoked by a worker (whichever happens first).

This callback executes only when executing a GearmanTask using GearmanClient::runTasks(). It is not used for individual jobs.

参数

callback: A function to be called

返回值

成功时返回 true，或者在失败时返回 false。

参见

GearmanClient::setDataCallback() - Callback function when there is a data packet for a task
GearmanClient::setCreatedCallback() - Set a callback for when a task is queued
GearmanClient::setExceptionCallback() - Set a callback for worker exceptions
GearmanClient::setFailCallback() - Set callback for job failure
GearmanClient::setStatusCallback() - Set a callback for collecting task status
GearmanClient::setWarningCallback() - Set a callback for worker warnings
GearmanClient::setWorkloadCallback() - Set a callback for accepting incremental data updates

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User Contributed Notes 1 note

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Justas Butkus ¶

10 years ago


One shall note, that callback function MUST either return a valid Gearman status code, or return nothing (do not return).

I.e. these are valid complete callbacks:

<?php
function goodCallbackOne(GearmanTask $task)
{
    print_r($task);
}
?>

<?php
function goodCallbackTwo(GearmanTask $task)
{
    print_r($task);
    return GEARMAN_SUCCESS;
}
?>

While following is NOT, unless you want your client code to fail with Gearman error 'german wait:no active file descriptors':

<?php
function badCallbackTwo(GearmanTask $task)
{
    print_r($task);
    return true;
}
?>

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官方地址：https://www.php.net/manual/en/gearmanclient.setcompletecallback.php

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GearmanClient::setCompleteCallback

说明

参数

返回值

参见

User Contributed Notes 1 note