components.lock.models

Lock model

class components.lock.models.DatabaseLockObject(*args, **kwargs)

Bases: django_mongoengine.document.DjangoFlavor, mongoengine.document.Document

Class DatabaseLockObject.

exception DoesNotExist

Bases: mongoengine.errors.DoesNotExist

exception MultipleObjectsReturned

Bases: mongoengine.errors.MultipleObjectsReturned

static get_lock_by_object(object)

Get lock relative to the given object.

Parameters:object –

Returns:

id

A field wrapper around MongoDB’s ObjectIds.

lock_date

object

user_id

class components.lock.models.Lock

Class Lock. Singleton thread safe. Only this object should be called to be used for an action regarding locking a Document.

classmethod acquire()

get_object_locked(object)

Get the locked object.

Parameters:object –

Returns:

classmethod release()

remove_lock(database_lock_object)

Remove a lock.

Parameters:database_lock_object –

Returns:

set_lock(object, user)

Set lock on a Document.

Parameters:

• object –
• user –

Returns: