GetParamWaitUntil() [2/2]

bool drama::Path::GetParamWaitUntil ( std::chrono::steady_clock::time_point  until, thread::TMessHandler *  action, const std::string &  name, sds::IdPtr *const  argOut, MessageEventHandler *const  eventProcessor = &_simpleEventProcessor  )

inlineinherited

Sends a get parameter message to a task and blocks the current thread until it completes.

Single parameter version with timeout.

For a relative time, something like the following is needed. (ten second timeout).

   std::chrono::steady_clock::time_point until =  
      std::chrono::steady_clock::now() + std::chrono::seconds(10);
      GetParamWaitUntil(until,...);
*

but can be done using the DeltaTimeToTimePoint() static method.

Parameters

until	Until when should we wait for this.
action	A pointer to the threaded action or threaded uface handler which is executing this operation.
name	Name of the parameter to get.
argOut	The value of the parameter is copied here.
eventProcessor	An object to use to process events. Defaults to a simple event processor that causes the method to return when the set completes.

Returns

Returns true if the transaction completed, false for a timeout.

References drama::TransEvtInfo::complete, drama::sds::Id::CreateNullItem(), drama::CreateRunDramaTask(), DramaTHROW_F, and drama::TransEvtInfo::entryStatus.