ISession.Unsubscribe Method (IEndpoint, ISubscription, Int32, Object)

Solclient

ISessionUnsubscribe Method (IEndpoint, ISubscription, Int32, Object)

version: 7.2.1.27

Remove a ITopic subscription from the endpoint if the operation is supported on the endpoint (Only endpoint of type IQueue supports this operation).

Namespace: SolaceSystems.Solclient.Messaging
Assembly: SolaceSystems.Solclient.Messaging (in SolaceSystems.Solclient.Messaging.dll) Version: 7.2.1.27 (7.2.1.27)

Syntax

C++

Copy

ReturnCode Unsubscribe(
	IEndpoint endpoint,
	ISubscription subscription,
	int subscribeFlags,
	Object correlationKey
)

Function Unsubscribe ( 
	endpoint As IEndpoint,
	subscription As ISubscription,
	subscribeFlags As Integer,
	correlationKey As Object
) As ReturnCode

ReturnCode Unsubscribe(
	IEndpoint^ endpoint, 
	ISubscription^ subscription, 
	int subscribeFlags, 
	Object^ correlationKey
)

Parameters

endpoint: Type: SolaceSystems.Solclient.MessagingIEndpoint
The endpoint to remove the subscription from
subscription: Type: SolaceSystems.Solclient.MessagingISubscription
Only subscriptions of type ITopic are supported
subscribeFlags: Type: SystemInt32
Possible values are: 0, this signals to the API not to request or wait for a confirmation One or more flags from SubscribeFlag ORed. Valid flags are RequestConfirm and WaitForConfirm
correlationKey: Type: SystemObject
If subscribeFlags is RequestConfirm, client applications can specify a non-null correlationKey object reference which will be returned to the application as a CorrelationKey field within a SessionEventArgs event.

Return Value

Type: ReturnCode
SOLCLIENT_WOULD_BLOCK or SOLCLIENT_OK

Exceptions

Exception	Condition
OperationErrorException	Thrown when the Unsubscribe operation fails. More details will be available in the fields of the OperationErrorException. Possible sub-codes: Timeout CommunicationError UnknownQueueName UnknownTEName UnknownClientName
ObjectDisposedException	Thrown when the session is already disposed (terminal state).
FatalErrorException	Thrown when an unrecoverable error occurs.
ArgumentNullException	Thrown if subscription is null.

Reference

ISession Interface

Unsubscribe Overload

SolaceSystems.Solclient.Messaging Namespace

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