Class s.p.Transactor(AccessBroker):

I do the hands-on work of (potentially) non-blocking database access for the persistence of array elements within a uniquely-identified group.

My methods return Twisted deferred instances to the results of their database accesses rather than forcing the client code to block while the database access is being completed.

Method	__init__	Instantiates me for a three-dimensional array of elements within a
Method	startup	You can run my transaction methods when the deferred returned from
Method	load	Element load transaction
Method	update	Element overwrite (entry update) transaction
Method	insert	Element add (entry insert) transaction
Method	delete	Element delete transaction
Method	clear	Transaction to clear all elements (Use with care!)

Inherited from AccessBroker:

Class Method	engine	Sets default connection parameters for all instances of me.
Method	_getDeferredTracker	Returns an instance of misc.DeferredTracker that is dedicated to the
Method	_getQueue	Returns a threaded task queue that is dedicated to my database
Method	connect	Generates and returns a singleton connection object.
Method	_sessionClose	Replacement close method for session objects.
Method	getSession	Get a commitable session object
Method	table	Instantiates a new table object, creating it in the transaction thread
Method	userStartup	If this method is defined and startup is not overridden in your
Method	first	This method automatically runs as the first transaction after
Method	shutdown	Shuts down my database transaction functionality and threaded task
Method	s	Polymorphic method for working with select instances within a cached
Method	queryToList	Executes my current select object with the bind parameters supplied as
Method	deferToQueue	Dispatches callable(*args, **kw) as a task via the like-named method