pdgd.Message.MessageType module

The enumeration of message types.

This enum contains the possible types for a data layer message.

Values ¶

pdgd.Message.MessageType.eMessageTypeObjectSnapshot

A message containing a full snapshot of a data layer object.

pdgd.Message.MessageType.eMessageTypeAppendValues

A message containing values to be added to a property.

pdgd.Message.MessageType.eMessageTypeRemoveValues

A message containing values to be removed from a property.

pdgd.Message.MessageType.eMessageTypeSetValues

A message containing values to replace all values of a property.

pdgd.AppendValuesMessage

A message for adding values to a property.
pdgd.DataBackend

A DataBackend is responsible for storing and querying PDGD data.
pdgd.DataLayerInterface

A DataLayerInterface provides access to PDG data
pdgd.DataLayerServer

A DataLayerServer allows external connections to a data layer interface
pdgd.DataLayerVisualizer

Visualizers are used to subscribe to data layer interface’s objects
pdgd.Message

A Message communicates how a pdg object’s data has changes.
pdgd.ObjectProperty

A data layer object property.
pdgd.ObjectSnapshot

A representation of the current state of a data layer’s object.
pdgd.PropertyNames

Holds string values used as property names
pdgd.SubscriptionHandler

A SubscriptionHandler is responsible for a specific data layer object path.

pdgd.DataLayerInterfaceManager

The DataLayerInterfaceManager manages instances of data layer interfaces.
pdgd.DataLayerVisualizerManager

The DataLayerVisualizerManager manages instances of data layer visualizers.
pdgd.GlobalDataLayerInstance

Access to the default data layer interface.
pdgd.SubscriptionHandlerManager

The SubscriptionHandlerManager manages instances of subscription handlers.

pdgd.DataBackendQueryResults

Object representing the results of a backend query operation
pdgd.QueryDefinition

Object representing a query

pdgd.registeredType

The type of object when registering a custom class with PDGD