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Data
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Represents a data subscribing client that will connect to a data publisher for a data subscription.
Inheritance Hierarchy
SystemObject
GSF.TimeSeries.AdaptersAdapterBase
GSF.TimeSeries.AdaptersInputAdapterBase
GSF.TimeSeries.TransportDataSubscriber
GSF.TimeSeries.AdaptersAdapterBase
GSF.TimeSeries.AdaptersInputAdapterBase
GSF.TimeSeries.TransportDataSubscriber
Namespace: GSF.TimeSeries.Transport
Assembly: GSF.TimeSeries (in GSF.TimeSeries.dll) Version: 2.4.257-beta
Syntax[EditorBrowsableAttribute(EditorBrowsableState.Advanced)] public class DataSubscriber : InputAdapterBase
The DataSubscriber type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | DataSubscriber | Creates a new DataSubscriber. |
Properties| Name | Description | |
|---|---|---|
 | AllowedParsingExceptions | Gets or sets number of parsing exceptions allowed during ParsingExceptionWindow before connection is reset. |
| Authenticated | Gets flag that determines if this DataSubscriber has successfully authenticated with the DataPublisher. |
| AutoConnect | Gets or sets flag that determines if DataSubscriber should attempt to auto-connection to DataPublisher using defined connection settings. |
| AutoStart |
Gets or sets flag indicating if adapter should automatically start or otherwise connect on demand.
(Inherited from AdapterBase) |
| AutoSynchronizeMetadata | Gets or sets flag that determines if DataSubscriber should automatically request meta-data synchronization and synchronize publisher meta-data with its own database configuration. |
| AverageMeasurementsPerSecond | Gets the average value of the measurements per second calculation. |
 | CommandChannel | Gets or sets reference to TcpClient command channel, attaching and/or detaching to events as needed. |
| CommandChannelConnected | Gets flag that determines whether the command channel is connected. |
| CompressionModes | Gets or sets the CompressionModes used by the subscriber and publisher. |
| CompressMetadata | Gets or sets the operational mode flag to compress meta-data. |
| CompressPayload | Gets or sets the operational mode flag to compress data payloads. |
| CompressSignalIndexCache | Gets or sets the operational mode flag to compress the signal index cache. |
| ConnectionAttemptInterval |
Gets or sets the connection attempt interval, in milliseconds, for the data input source.
(Inherited from InputAdapterBase) |
| ConnectionInfo |
Gets connection info for adapter, if any.
(Overrides AdapterBaseConnectionInfo) |
| ConnectionString |
Gets or sets key/value pair connection information specific to this AdapterBase.
(Inherited from AdapterBase) |
| DataChannel | Gets or sets reference to UdpClient data channel, attaching and/or detaching to events as needed. |
| DataLossInterval | Gets or sets data loss monitoring interval, in seconds. Set to zero to disable monitoring. |
| DataSource |
Gets or sets DataSet based data source available to this DataSubscriber.
(Overrides AdapterBaseDataSource) |
| EnableConnectionErrors |
When false, connection errors do not get logged through OnProcessException. When true, connection errors will be logged normally.
(Inherited from InputAdapterBase) |
| Enabled |
Gets or sets enabled state of this AdapterBase.
(Inherited from AdapterBase) |
| Encoding | Gets the character encoding defined by the OperationalEncoding of the communications stream. |
| ID |
Gets or sets numeric ID associated with this AdapterBase.
(Inherited from AdapterBase) |
| InitializationTimeout |
Gets or sets maximum time system will wait during Start for initialization.
(Inherited from AdapterBase) |
| Initialized |
Gets or sets flag indicating if the adapter has been initialized successfully.
(Inherited from AdapterBase) |
| InputMeasurementKeys |
Gets or sets primary keys of input measurements the AdapterBase expects, if any.
(Inherited from InputAdapterBase) |
| IsConnected |
Gets flag that determines if InputAdapterBase is connected.
(Inherited from InputAdapterBase) |
| IsDisposed |
Gets a flag that indicates whether the object has been disposed.
(Inherited from AdapterBase) |
| LifetimeAverageLatency | Gets the average latency calculated over the full lifetime of the subscriber. |
| LifetimeMaximumLatency | Gets the maximum latency calculated over the full lifetime of the subscriber. |
| LifetimeMeasurements | Gets the total number of measurements processed through this data publisher over the lifetime of the subscriber. |
| LifetimeMinimumLatency | Gets the minimum latency calculated over the full lifetime of the subscriber. |
| Log |
Log messages generated by an adapter.
(Inherited from AdapterBase) |
| LoggingPath | Gets or sets logging path to be used to be runtime and outage logs of the subscriber which are required for automated data recovery. |
| MaximumMeasurementsPerSecond | Gets the maximum value of the measurements per second calculation. |
| MeasurementReportingInterval |
Gets or sets the measurement reporting interval.
(Inherited from AdapterBase) |
 | MetadataFilters | Gets or sets requested meta-data filter expressions to be applied by DataPublisher before meta-data is sent. |
| MetadataSynchronizationTimeout | Gets or sets the timeout used when executing database queries during meta-data synchronization. |
| MinimumMeasurementsPerSecond | Gets the minimum value of the measurements per second calculation. |
| MutualSubscription | Gets or sets flag that determines if a subscription is mutual, i.e., bi-directional pub/sub. In this mode one node will be the owner and set Internal = True and the other node will be the renter and set Internal = False. |
| Name |
Gets or sets the name of this AdapterBase.
(Inherited from AdapterBase) |
| OperationalEncoding | Gets or sets the OperationalEncoding used by the subscriber and publisher. |
| OperationalModes | Gets or sets a set of flags that define ways in which the subscriber and publisher communicate. |
| OutputMeasurements |
Gets or sets output measurements that the AdapterBase will produce, if any.
(Overrides AdapterBaseOutputMeasurements) |
| OutputSourceIDs |
Gets or sets Source values used to filter output measurements.
(Inherited from InputAdapterBase) |
| ParsingExceptionWindow | Gets or sets time duration, in Ticks, to monitor parsing exceptions. |
| PersistConnectionForMetadata | Gets flag that indicates whether the connection will be persisted even while the adapter is offline in order to synchronize metadata. |
| ProcessedMeasurements |
Gets the total number of measurements handled thus far by the AdapterBase.
(Inherited from AdapterBase) |
| ProcessingInterval |
Gets or sets the desired processing interval, in milliseconds, for the adapter.
(Overrides AdapterBaseProcessingInterval) |
| RealTime | Gets real-time as determined by either the local clock or the latest measurement received. |
| ReceiveExternalMetadata | Gets or sets the operational mode flag to receive external meta-data. |
| ReceiveInternalMetadata | Gets or sets the operational mode flag to receive internal meta-data. |
| RequestedOutputMeasurementKeys |
Gets or sets output measurement keys that are requested by other adapters based on what adapter says it can provide.
(Overrides InputAdapterBaseRequestedOutputMeasurementKeys) |
| RequireAuthentication | Gets or sets flag that determines if DataPublisher requires subscribers to authenticate before making data requests. |
| RunTime |
Gets the total amount of time, in seconds, that the adapter has been active.
(Inherited from AdapterBase) |
| SecurityMode | Gets or sets the security mode used for communications over the command channel. |
| Settings |
Gets settings DictionaryTKey, TValue parsed when ConnectionString was assigned.
(Inherited from AdapterBase) |
| StartTime |
Gets the UTC time this AdapterBase was started.
(Inherited from AdapterBase) |
| StartTimeConstraint |
Gets the start time temporal processing constraint defined by call to SetTemporalConstraint(String, String, String).
(Inherited from AdapterBase) |
| Status |
Gets the status of this DataSubscriber.
(Overrides InputAdapterBaseStatus) |
| StopTime |
Gets the UTC time this AdapterBase was stopped.
(Inherited from AdapterBase) |
| StopTimeConstraint |
Gets the stop time temporal processing constraint defined by call to SetTemporalConstraint(String, String, String).
(Inherited from AdapterBase) |
| SupportsRealTimeProcessing | Gets flag indicating if this adapter supports real-time processing. |
| SupportsTemporalProcessing |
Gets the flag indicating if this adapter supports temporal processing.
(Overrides AdapterBaseSupportsTemporalProcessing) |
| TotalBytesReceived | Gets total data packet bytes received during this session. |
| UseAsyncConnect |
Gets a flag that determines if this DataSubscriber uses an asynchronous connection.
(Overrides InputAdapterBaseUseAsyncConnect) |
| UseCommonSerializationFormat | Gets or sets the operational mode flag to use the common serialization format. |
| UseLocalClockAsRealTime | Gets or sets flag that determines whether to use the local clock when calculating statistics. |
| UseMillisecondResolution | Obsolete. Gets or sets flag that informs publisher if base time-offsets can use millisecond resolution to conserve bandwidth. |
| UseSimpleTcpClient | Gets or sets flag that determines if a TcpSimpleClient should be used for connection. |
| UseSourcePrefixNames | Gets or sets flag that determines if child devices associated with a subscription should be prefixed with the subscription name and an exclamation point to ensure device name uniqueness - recommended value is true. |
| UseTransactionForMetadata | Gets or sets flag that determines if meta-data synchronization should be performed within a transaction. |
| UseZeroMQChannel | Gets or sets flag that determines if ZeroMQ should be used for command channel communications. |
| Version | Gets the version number of the protocol in use by this subscriber. |
Methods| Name | Description | |
|---|---|---|
 | AttemptConnection |
Attempts to connect to this DataSubscriber.
(Overrides InputAdapterBaseAttemptConnection) |
| AttemptDisconnection |
Attempts to disconnect from this DataSubscriber.
(Overrides InputAdapterBaseAttemptDisconnection) |
| Authenticate | Authenticates subscriber to a data publisher. |
| Dispose |
Releases all the resources used by the AdapterBase object.
(Inherited from AdapterBase) |
| Dispose(Boolean) |
Releases the unmanaged resources used by the DataSubscriber object and optionally releases the managed resources.
(Overrides InputAdapterBaseDispose(Boolean)) |
| DisposeLocalConcentrator | Disposes of any previously defined local concentrator. |
| DumpOutageLog | Displays the contents of the outage log. |
| Equals | Determines whether the specified object is equal to the current object. (Inherited from Object) |
| Finalize |
Releases the unmanaged resources before the AdapterBase object is reclaimed by GC.
(Inherited from AdapterBase) |
| GetAuthorizedSignalIDs | Returns the measurements signal IDs that were authorized after the last successful subscription request. |
| GetDataGapRecoverySubscriptionStatus | Gets the status of the temporal DataSubscriber used by the data gap recovery module. |
| GetHashCode |
Serves as a hash function for the current AdapterBase.
(Inherited from AdapterBase) |
| GetLoggingPath | Gets file path for any defined logging path. |
| GetShortStatus |
Gets a short one-line status of this DataSubscriber.
(Overrides AdapterBaseGetShortStatus(Int32)) |
| GetType | Gets the Type of the current instance. (Inherited from Object) |
| GetUnauthorizedSignalIDs | Returns the measurements signal IDs that were unauthorized after the last successful subscription request. |
| IncrementProcessedMeasurements |
Safely increments the total processed measurements.
(Inherited from AdapterBase) |
| Initialize |
Initializes DataSubscriber.
(Overrides InputAdapterBaseInitialize) |
| InterpretResponseMessage | Get message from string based response. |
| LocallySynchronizedSubscribe | Obsolete. Subscribes (or re-subscribes) to a data publisher for a locally synchronized set of data points. |
| LogDataGap | Log a data gap for data gap recovery. |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object) |
| OnConfigurationChanged |
Raises ConfigurationChanged event.
(Inherited from AdapterBase) |
| OnConnected |
Called when data input source connection is established.
(Inherited from InputAdapterBase) |
| OnConnectionAuthenticated | Raises the ConnectionAuthenticated event. |
| OnConnectionEstablished | Raises the ConnectionEstablished event. |
| OnConnectionTerminated | Raises the ConnectionTerminated event. |
| OnDataStartTime | Raises the DataStartTime event. |
| OnDisconnected |
Called when data input source is disconnected.
(Inherited from InputAdapterBase) |
| OnInputMeasurementKeysUpdated |
Raises InputMeasurementKeysUpdated event.
(Inherited from AdapterBase) |
| OnMetaDataReceived | Raises the MetaDataReceived event. |
| OnNewMeasurements |
Raises the NewMeasurements event.
(Inherited from InputAdapterBase) |
| OnNotificationReceived | Raises the NotificationReceived event. |
| OnOutputMeasurementsUpdated |
Raises OutputMeasurementsUpdated event.
(Inherited from AdapterBase) |
| OnProcessException(Exception) | Obsolete. Raises the ProcessException event. (Inherited from AdapterBase) |
| OnProcessException(MessageLevel, Exception, String, MessageFlags) |
Raises ProcessException event.
(Overrides AdapterBaseOnProcessException(MessageLevel, Exception, String, MessageFlags)) |
| OnProcessingComplete |
Raises the ProcessingComplete event.
(Inherited from InputAdapterBase) |
| OnProcessingComplete(String) | Raises the ProcessingComplete event. |
| OnReceivedServerResponse | Raises the ReceivedServerResponse event. |
| OnReceivedUserCommandResponse | Raises the ReceivedUserCommandResponse event. |
| OnServerConfigurationChanged | Raises the ServerConfigurationChanged event. |
| OnStatusMessage(String) | Obsolete. Raises the StatusMessage event. (Inherited from AdapterBase) |
| OnStatusMessage(String, Object) | Obsolete. Raises the StatusMessage event with a formatted status message. (Inherited from AdapterBase) |
| OnStatusMessage(MessageLevel, String, String, MessageFlags) |
Raises the StatusMessage event and sends this data to the Logger.
(Inherited from AdapterBase) |
| RefreshMetadata | Initiate a meta-data refresh. |
| RemotelySynchronizedSubscribe | Obsolete. Subscribes (or re-subscribes) to a data publisher for a remotely synchronized set of data points. |
| RemoveDataGap | Remove a data gap from data gap recovery. |
| ResetLifetimeCounters | Resets the counters for the lifetime statistics without interrupting the adapter's operations. |
| SendServerCommand(ServerCommand, Byte) | Sends a server command to the publisher connection. |
| SendServerCommand(ServerCommand, String) | Sends a server command to the publisher connection with associated message data. |
| SetInitializedState |
Manually sets the initialized state of the AdapterBase.
(Inherited from AdapterBase) |
| SetTemporalConstraint |
Defines a temporal processing constraint for the adapter.
(Inherited from AdapterBase) |
| Start |
Starts this InputAdapterBase and initiates connection cycle to data input source.
(Inherited from InputAdapterBase) |
| Stop |
Stops this InputAdapterBase and disconnects from data input source.
(Inherited from InputAdapterBase) |
| Subscribe(SubscriptionInfo) | Subscribes (or re-subscribes) to a data publisher for a set of data points. |
| Subscribe(Boolean, Boolean, String) | Subscribes (or re-subscribes) to a data publisher for a set of data points. |
| SynchronizedSubscribe | Subscribes (or re-subscribes) to a data publisher for a synchronized set of data points. |
| SynchronizeMetadata | Handles meta-data synchronization to local system. |
| SynchronizeMetadata(DataSet) | Spawn meta-data synchronization. |
| ToString | Returns a string that represents the current object. (Inherited from Object) |
| Unsubscribe | Unsubscribes from a data publisher. |
| UnsynchronizedSubscribe(UnsynchronizedSubscriptionInfo) | Subscribes (or re-subscribes) to a data publisher for an unsynchronized set of data points. |
| UnsynchronizedSubscribe(Boolean, Boolean, String, String, Boolean, Double, Double, Boolean, String, String, String, Int32, String, Int32) | Obsolete. Subscribes (or re-subscribes) to a data publisher for an unsynchronized set of data points. |
Events| Name | Description | |
|---|---|---|
 | ConfigurationChanged |
Event is raised when adapter is aware of a configuration change.
(Inherited from AdapterBase) |
| ConnectionAuthenticated | Occurs when client connection to the data publication server has successfully authenticated. |
| ConnectionEstablished | Occurs when client connection to the data publication server is established. |
| ConnectionTerminated | Occurs when client connection to the data publication server is terminated. |
| DataStartTime | Occurs when first measurement is transmitted by data publication server. |
| Disposed |
Event is raised when AdapterBase is disposed.
(Inherited from AdapterBase) |
| ExceededParsingExceptionThreshold | Occurs when number of parsing exceptions exceed AllowedParsingExceptions during ParsingExceptionWindow. |
| InputMeasurementKeysUpdated |
Event is raised when InputMeasurementKeys are updated.
(Inherited from AdapterBase) |
| MetaDataReceived | Occurs when client receives requested meta-data transmitted by data publication server. |
| NewMeasurements |
Provides new measurements from input adapter.
(Inherited from InputAdapterBase) |
| NotificationReceived | Occurs when a notification has been received from the DataPublisher. |
| OutputMeasurementsUpdated |
Event is raised when OutputMeasurements are updated.
(Inherited from AdapterBase) |
| ProcessException |
Event is raised when there is an exception encountered while processing.
(Inherited from AdapterBase) |
| ProcessingComplete | Indicates that processing for an input adapter (via temporal session) has completed. |
| ReceivedServerResponse | Occurs when client receives response from the server. |
| ReceivedUserCommandResponse | Occurs when client receives message from the server in response to a user command. |
| ServerConfigurationChanged | Occurs when the server has sent a notification that its configuration has changed, this can allow subscriber to request updated meta-data if desired. |
| StatusMessage |
Provides status messages to consumer.
(Inherited from AdapterBase) |
Fields| Name | Description | |
|---|---|---|
  | DefaultAllowedParsingExceptions | Specifies the default value for the AllowedParsingExceptions property. |
| DefaultLoggingPath | Default value for LoggingPath. |
| DefaultMetadataSynchronizationTimeout | Defines the default value for the MetadataSynchronizationTimeout property. |
| DefaultOperationalModes | Defines default value for OperationalModes. |
| DefaultParsingExceptionWindow | Specifies the default value for the ParsingExceptionWindow property. |
| DefaultUseTransactionForMetadata | Defines the default value for the UseTransactionForMetadata property. |
Extension Methods| Name | Description | |
|---|---|---|
 | GetEnumValueOrDefault |
Gets the enumeration constant for value, if defined in the enumeration, or a default value.
(Defined by EnumExtensions) |
| GetEnumValueOrDefaultT |
Gets the enumeration constant for this value, if defined in the enumeration, or a default value.
(Defined by EnumExtensions) |
See Also