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Documented the dynamic lock refresh #9399

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Merged
javiereguiluz merged 1 commit into from
Mar 7, 2018
Merged

Documented the dynamic lock refresh #9399

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17 changes: 17 additions & 0 deletions components/lock.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -143,6 +143,23 @@ to reset the TTL to its original value::
$lock->release();
}

.. tip::

Another useful technique for long-running tasks is to pass a custom TTL as
an argument of the ``refresh()`` method to change the default lock TTL::

$lock = $factory->createLock('charts-generation', 30);
// ...
// refresh the lock for 30 seconds
$lock->refresh();
// ...
// refresh the lock for 600 seconds (next refresh() call will be 30 seconds again)
$lock->refresh(600);

.. versionadded:: 4.1
The feature to pass a custom TTL as an argument of the ``refresh()``
method was introduced in Symfony 4.1.

Available Stores
----------------

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