IMessageDispatcher.Subscribe Method

Solclient

IMessageDispatcherSubscribe Method

version: 7.2.1.27

Adds a IDispatchTarget subscription to the given IMessageDispatcher.

Note: In order to use this feature, the parent ISession's SessionProperties must have TopicDispatch set to true.

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 Subscribe(
	IDispatchTarget dispatchTarget,
	int flags,
	Object correlationKey
)

Function Subscribe ( 
	dispatchTarget As IDispatchTarget,
	flags As Integer,
	correlationKey As Object
) As ReturnCode

ReturnCode Subscribe(
	IDispatchTarget^ dispatchTarget, 
	int flags, 
	Object^ correlationKey
)

Parameters

dispatchTarget: Type: SolaceSystems.Solclient.MessagingIDispatchTarget
flags: 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, WaitForConfirm and LocalDispatchOnly. If LocalDispatchOnly is used, it should be the only flag in the set.
correlationKey: Type: SystemObject
If subscribeFlags is RequestConfirm, client applications can specify a non-null correlationKey object reference which is returned to the application as a CorrelationKey field within a SessionEventArgs event.

Return Value

Type: ReturnCode
SOLCLIENT_WOULD_BLOCK, if the operation cannot be accepted by the API immediately, SOLCLIENT_OK if successful, or SOLCLIENT_IN_PROGRESS if in progress.

Exceptions

Exception	Condition
OperationErrorException	Thrown when the Subscribe operation fails. More details are available in the fields of the OperationErrorException. Possible sub-codes: OutOfResources SubscriptionAlreadyPresent SubscriptionTooMany SubscriptionACLDenied SubscriptionOther InvalidSessionOperation InvalidTopicSyntax Topic dispatch not enabled for transacted flows. InvalidFlowOperation
ObjectDisposedException	Thrown when the session is already disposed (terminal state).
FatalErrorException	Thrown when an unrecoverable error occurs.
ArgumentNullException	Thrown if dispatchTarget is null.

Reference

IMessageDispatcher Interface

SolaceSystems.Solclient.Messaging Namespace

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