.NET Based OPC UA Client/Server SDK
2.5.4.397
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An interface to an object that allows reading of historical events. More...
Inherited by UnifiedAutomation.UaServer.BaseNodeManager.
Public Member Functions | |
StatusCode | BeginHistoryReadEventTransaction (RequestContext context, uint totalItemCountHint, TransactionType transactionType, ReadEventDetails details, Delegate callback, object callbackData, out HistoryEventTransactionHandle handle) |
Begins the event history transaction. More... | |
void | FinishHistoryReadEventTransaction (HistoryEventTransactionHandle transaction) |
Finishes the event history transaction. More... | |
StatusCode | BeginHistoryReadEvent (HistoryEventOperationHandle operationHandle, HistoryReadValueId notifierToRead) |
Begins an operation to read historical events. More... | |
An interface to an object that allows reading of historical events.
StatusCode UnifiedAutomation.UaServer.IHistoryReadEventManager.BeginHistoryReadEvent | ( | HistoryEventOperationHandle | operationHandle, |
HistoryReadValueId | notifierToRead | ||
) |
Begins an operation to read historical events.
operationHandle | The operation handle. |
notifierToRead | The notifier to read. |
If this method returns Good the callback passed to BeginHistoryReadEventTransaction must be called when the operation completes.
Implemented in UnifiedAutomation.UaServer.BaseNodeManager.
StatusCode UnifiedAutomation.UaServer.IHistoryReadEventManager.BeginHistoryReadEventTransaction | ( | RequestContext | context, |
uint | totalItemCountHint, | ||
TransactionType | transactionType, | ||
ReadEventDetails | details, | ||
Delegate | callback, | ||
object | callbackData, | ||
out HistoryEventTransactionHandle | handle | ||
) |
Begins the event history transaction.
context | The request context. |
totalItemCountHint | The total item count hint. |
transactionType | Type of the transaction. |
details | The details. |
callback | The callback. |
callbackData | The callback data. |
handle | The historical event transaction handle. |
Implemented in UnifiedAutomation.UaServer.BaseNodeManager.
void UnifiedAutomation.UaServer.IHistoryReadEventManager.FinishHistoryReadEventTransaction | ( | HistoryEventTransactionHandle | transaction | ) |
Finishes the event history transaction.
transaction | The transaction. |
Implemented in UnifiedAutomation.UaServer.BaseNodeManager.