Reliable queue interface.
Classes implementing this interface preserve the order of messages and guarantee that every item will be executed at least once.
Implemented by
Hierarchy
- interface BackdropQueueInterface
- interface BackdropReliableQueueInterface
Expanded class hierarchy of BackdropReliableQueueInterface
Related topics
File
- core/
modules/ system/ system.queue.inc, line 190 - Queue functionality.
Members
Name | Modifiers | Type | Description |
---|---|---|---|
BackdropQueueInterface:: |
public | function | Claim an item in the queue for processing. |
BackdropQueueInterface:: |
public | function | Add a queue item and store it directly to the queue. |
BackdropQueueInterface:: |
public | function | Create a queue. |
BackdropQueueInterface:: |
public | function | Delete a finished item from the queue. |
BackdropQueueInterface:: |
public | function | Delete a queue and every item in the queue. |
BackdropQueueInterface:: |
public | function | Retrieve the number of items in the queue. |
BackdropQueueInterface:: |
public | function | Release an item that the worker could not process, so another worker can come in and process it before the timeout expires. |