9.3 SetSubscriptionDurable
SetSubscriptionDurable Method is used to set a Subscription into a mode where MonitoredItem data and event queues are stored and delivered even if an OPC UA Client was disconnected for a longer time or the OPC UA Server was restarted. Its intended use is defined in OPC 10000-4.
Signature
SetSubscriptionDurable(
[in] UInt32 subscriptionId
[in] UInt32 lifetimeInHours
[out] UInt32 revisedLifetimeInHours
);| Argument | Description |
| subscriptionId | Identifier of the Subscription. |
| lifetimeInHours | The requested lifetime in hours for the durable Subscription. |
| revisedLifetimeInHours | The revised lifetime in hours the Server applied to the durable Subscription. |
Method Result Codes (defined in Call Service)
| Result Code | Description |
| Bad_SubscriptionIdInvalid | Defined in OPC 10000-4 |
| Bad_InvalidState | Defined in OPC 10000-4 This is returned when a Subscription already contains MonitoredItems. |
| Bad_UserAccessDenied | Defined in OPC 10000-4 The Method was not called in the context of the Session that owns the Subscription. |
Table 120 specifies the AddressSpace representation for the SetSubscriptionDurable Method.
| Attribute | Value | ||||
| BrowseName | SetSubscriptionDurable | ||||
| References | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasProperty | Variable | InputArguments | Argument[] | PropertyType | Mandatory |
| HasProperty | Variable | OutputArguments | Argument[] | PropertyType | Mandatory |
| Conformance Units | |||||
|---|---|---|---|---|---|
| Base Info ServerType |