.NET Based OPC UA Client/Server SDK
3.0.5.474
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An interface to an object that allows reading of historical data. More...
Inherited by UnifiedAutomation.UaServer.BaseNodeManager.
Public Member Functions | |
StatusCode | BeginHistoryReadDataTransaction (RequestContext context, uint totalItemCountHint, TimestampsToReturn timestampsToReturn, TransactionType transactionType, HistoryReadDetails details, Delegate callback, object callbackData, out HistoryDataTransactionHandle handle) |
Begins the data history transaction. More... | |
void | FinishHistoryReadDataTransaction (HistoryDataTransactionHandle transaction) |
Finishes the data history transaction. More... | |
StatusCode | BeginHistoryReadRaw (HistoryDataOperationHandle operationHandle, HistoryReadValueId valueToRead) |
Begins an operation to read raw history data. More... | |
StatusCode | BeginHistoryReadProcessed (HistoryDataOperationHandle operationHandle, HistoryReadValueId valueToRead) |
Begins an operation to read raw history data. More... | |
StatusCode | BeginHistoryReadAtTime (HistoryDataOperationHandle operationHandle, HistoryReadValueId valueToRead) |
Begins an operation to read raw history data. More... | |
An interface to an object that allows reading of historical data.
StatusCode UnifiedAutomation.UaServer.IHistoryReadDataManager.BeginHistoryReadAtTime | ( | HistoryDataOperationHandle | operationHandle, |
HistoryReadValueId | valueToRead | ||
) |
Begins an operation to read raw history data.
operationHandle | The operation handle. |
valueToRead | The value to read. |
If this method returns Good the callback passed to BeginHistoryReadDataTransaction must be called when the operation completes.
Implemented in UnifiedAutomation.UaServer.BaseNodeManager.
StatusCode UnifiedAutomation.UaServer.IHistoryReadDataManager.BeginHistoryReadDataTransaction | ( | RequestContext | context, |
uint | totalItemCountHint, | ||
TimestampsToReturn | timestampsToReturn, | ||
TransactionType | transactionType, | ||
HistoryReadDetails | details, | ||
Delegate | callback, | ||
object | callbackData, | ||
out HistoryDataTransactionHandle | handle | ||
) |
Begins the data history transaction.
context | The request context. |
totalItemCountHint | The total item count hint. |
timestampsToReturn | The timestamps to return. |
transactionType | Type of the transaction. |
details | The details. |
callback | The callback called when an operation completes. |
callbackData | The callback data. |
handle | The historical data transaction handle. |
Implemented in UnifiedAutomation.UaServer.BaseNodeManager.
StatusCode UnifiedAutomation.UaServer.IHistoryReadDataManager.BeginHistoryReadProcessed | ( | HistoryDataOperationHandle | operationHandle, |
HistoryReadValueId | valueToRead | ||
) |
Begins an operation to read raw history data.
operationHandle | The operation handle. |
valueToRead | The value to read. |
If this method returns Good the callback passed to BeginHistoryReadDataTransaction must be called when the operation completes.
Implemented in UnifiedAutomation.UaServer.BaseNodeManager.
StatusCode UnifiedAutomation.UaServer.IHistoryReadDataManager.BeginHistoryReadRaw | ( | HistoryDataOperationHandle | operationHandle, |
HistoryReadValueId | valueToRead | ||
) |
Begins an operation to read raw history data.
operationHandle | The operation handle. |
valueToRead | The value to read. |
If this method returns Good the callback passed to BeginHistoryReadDataTransaction must be called when the operation completes.
Implemented in UnifiedAutomation.UaServer.BaseNodeManager.
void UnifiedAutomation.UaServer.IHistoryReadDataManager.FinishHistoryReadDataTransaction | ( | HistoryDataTransactionHandle | transaction | ) |
Finishes the data history transaction.
transaction | The transaction. |
Implemented in UnifiedAutomation.UaServer.BaseNodeManager.