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Object PmaSequencer (Sequence processing)

Description:
See: PmaSequencer - Deatiled object description

The object serves for processing the sequence, time or asynchronous operations.

No other Pma objects can be created in this object.
This object can be created in objects: PmaRoot, PmaFolder, PmaPrototype. Multiple objects of this type can be created in such objects.
This object adopts properties and methods of the PmaObject object.
:
Add Add new item into the queue
GetItemValue Returns values of the first/last item
MaxSize Maximum number of waiting items
Release It prematuraly releases waiting items
Remove Removes waiting items
Running Actual number of running items
Size Actual number of waiting items
:
AddEvent Registers a function into selected event
GetInfo Returns the Info object with the specified name
GetOwnedByIndex Returns the subobject defined by its index
GetOwnedByName Returns reference to the subobject defined by its name
GetOwnedByType Array of references to the subobjects
GetOwnedNum Returns number of subobjects in the object
GetPar Reading the value of the Pma object parameter (or its parents)
GetPathName Object name with the path to this object
GetPermission Returns permission of corresponding operation from object
Methods Access to designer's methods of this object
Name Object name (without the path)
Parent Returns reference to the parent object in the tree of Pma objects
Pm Returns reference to the Pma object or to its implementation subobject
RemoveEvent Un-registers the function in the specified event
Root Returns reference to the root application object PmaRoot
:
onStep Is triggered when the item is released
:
onStart Is triggered for each object in the runtime only once at the beginning
onStop Is triggered for each Pma object in the runtime mode only once at the stop of the application
Configuration tabs:
Object General information about the object
Events Definition of object events algorithms
Methods Definition of designer's method of the object
Sequencer Basic parameters settings

History:
Pm9.00.12: Fixed bug: Bugfix of sequencer running in another thread.
Pm9.00.00: Object name changed: PmSequencer -> PmaSequencer
Pm8.01.10: If the object was set to run in another thread, then sometimes the GU of the application froze.
Pm8.01.02:
- The multi thread script error has been fixed. The patch has also been included into the version Pm8.0.13.
- New "The stopping timeout before termination of the working thread [s]" configurator allows to enter the timeout for forced termination of running item while the application is stopping.
Pm8.00.13:
- The multi thread script error has been fixed. The patch has also been included into the version Pm8.0.13.
- New "The stopping timeout before termination of the working thread [s]" configurator allows to enter the timeout for forced termination of running item while the application is stopping.
Pm8.00.03: The Add method has a new additional Params parameter, that allows to define, whether the added request should run in the basic or work thread.
PROMOTIC 9.0.16 SCADA system documentation - MICROSYS, spol. s r.o.

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