/// <summary>
/// Returns current processing state or result after completion.
/// To avoid polling pass callback URI when invoking Execute method.
/// </summary>
/// <param name="eid">Identifier of executor.</param>
/// <returns>Remote executor state.</returns>
public RemoteExecutorServiceResult TryJoin(Guid eid)
{
var executor = GetExecutor(eid);
var result = new RemoteExecutorServiceResult
{
ElapsedTime = executor.ElapsedTime,
ExecutorState = executor.ExecutorState
};
// TODO: Should dispose on request?
switch (executor.ExecutorState)
{
case ExecutorState.Finished:
result.Result = executor.SerializedResult;
// we have to make sure that the message with the result is not lost
DisposeExecutor(executor);
break;
case ExecutorState.Faulted:
result.Error = executor.Exception;
DisposeExecutor(executor);
break;
}
return result;
}
/// <summary>
/// Called in response to Execute after processing has finished.
/// </summary>
/// <param name="eid">Executor identifier</param>
/// <param name="executeResult">Executor processing result.</param>
public void ExecuteCallback(Guid eid, RemoteExecutorServiceResult executeResult)
{
Log.TraceMessage(Log.Activity.Received_execute_callback,string.Format("Received execute callback."), Log.MessageType.Trace, eid.EidAsLogKeywords());
var executor = GetRemoteExecutor(eid);
executor.Pulse(executeResult.Convert());
}
