Elgg\Queue\DatabaseQueue Class Reference

FIFO queue that uses the database for persistence. More...

Inheritance diagram for Elgg\Queue\DatabaseQueue:

Public Member Functions
	__construct (string $name,\Elgg\Database $db)
	Create a queue. More...
	enqueue ($item)
	{Add an item to the queue. Parameters mixed $item Item to add to queue Returns bool } More...
	dequeue ()
	{Remove an item from the queue. Returns mixed } More...
	clear ()
	{Clear all items from the queue. Returns void } More...
	size ()
	{Get the size of the queue. Returns int } More...

Public Attributes
const	TABLE_NAME = 'queue'

Protected Attributes
	$name
	$db
	$workerId

Detailed Description

FIFO queue that uses the database for persistence.

Definition at line 17 of file DatabaseQueue.php.

Constructor & Destructor Documentation

Elgg\Queue\DatabaseQueue::__construct	(	string	$name,
		\Elgg\Database	$db
	)

Create a queue.

Parameters

string	$name	Name of the queue. Must be less than 256 characters.
\Elgg\Database	$db	Database adapter

Definition at line 47 of file DatabaseQueue.php.

Member Function Documentation

Elgg\Queue\DatabaseQueue::clear

(

)

{Clear all items from the queue.

Returns

void

}

Implements Elgg\Queue\Queue.

Definition at line 107 of file DatabaseQueue.php.

Elgg\Queue\DatabaseQueue::dequeue

(

)

{Remove an item from the queue.

Returns

mixed

}

Implements Elgg\Queue\Queue.

Definition at line 70 of file DatabaseQueue.php.

Elgg\Queue\DatabaseQueue::enqueue

(

$item

)

{Add an item to the queue.

Parameters

mixed

$item

Item to add to queue

Returns

bool

}

Implements Elgg\Queue\Queue.

Definition at line 56 of file DatabaseQueue.php.

Elgg\Queue\DatabaseQueue::size

(

)

{Get the size of the queue.

Returns

int

}

Implements Elgg\Queue\Queue.

Definition at line 117 of file DatabaseQueue.php.

Member Data Documentation

Elgg\Queue\DatabaseQueue::$db

protected

Definition at line 34 of file DatabaseQueue.php.

Elgg\Queue\DatabaseQueue::$name

protected

Definition at line 29 of file DatabaseQueue.php.

Elgg\Queue\DatabaseQueue::$workerId

protected

Definition at line 39 of file DatabaseQueue.php.

const Elgg\Queue\DatabaseQueue::TABLE_NAME = 'queue'

Definition at line 24 of file DatabaseQueue.php.

---

The documentation for this class was generated from the following file:

• engine/classes/Elgg/Queue/DatabaseQueue.php