GearmanClient::setWorkloadCallback

(PECL gearman >= 0.5.0)

GearmanClient::setWorkloadCallback — Set a callback for accepting incremental data updates

说明

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

Sets a callback function to be called when a worker needs to send back data prior to job completion. A worker can do this when it needs to send updates, send partial results, or flush data during long running jobs.

注意:
The callback will only be triggered for tasks that are added (e.g. by calling GearmanClient::addTask()) after calling this method.

参数

callback

调用的函数或方法。应该返回有效的 Gearman 返回值。

如果没有返回语句，默认是 GEARMAN_SUCCESS。

callback(GearmanTask $task, mixed $context): int

task: 调用此 callback 的任务。
context: Whatever has been passed to GearmanClient::addTask() (or equivalent method) as context.

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::setCompleteCallback() - Set a function to be called on task completion
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

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