SubscribeState

ISubscription IStateMachine.SubscribeState(System.Collections.IEnumerable<T> states, StateMachineStateHandler<T> handler)

Subscribes a callback to be executed when the state of the state machine changes to one of the specified states.

Parameters

• states – States for which the callback is triggered.

• handler – Delegate to be invoked when the state machine state changes to one of the specified states.

Returns

ISubscription – An ISubscription for the callback.

Throws

• NullArgumentException – Null reference was passed.

• InvalidArgumentException – One or more unknown states specified.

• InvalidArgumentException – Empty collection of states specified.

• OutOfResourcesException – No resources available to subscribe callback.

• CommunicationErrorException – Protocol error.

• ConnectionLostException – Connection to controller lost.

• RebootedException – Controller has been rebooted since this object reference was retrieved, invalidating this reference.

Remarks

If the state already matches one of the specified states, a callback is generated immediately.