static public void Execute()
{
try
{
/*
* 1. Create RBroker instance using RBrokerFactory.
*
* This example creates a BackgroundTaskBroker.
*/
RAuthentication rAuth = new RBasicAuthentication(Program.AUTH_USER_NAME, Program.AUTH_PASSWORD);
BackgroundBrokerConfig brokerConfig = new BackgroundBrokerConfig(Program.DEPLOYR_ENDPOINT, rAuth);
RBroker rBroker = RBrokerFactory.backgroundTaskBroker(brokerConfig);
/*
* 2. Register RTaskListener for asynchronous
* notifications on RTask completion.
*/
BackgroundTaskListener myTaskListener = new BackgroundTaskListener(rBroker);
rBroker.addTaskListener(myTaskListener);
/*
* 3. Define RTask
*
* This example creates a BackgroundTask that will
* execute an artibrary block of R code.
*/
String rCode = "x <- rnorm(100)";
RTask rTask = RTaskFactory.backgroundTask("Example Background RTask",
"Example background RTask.",
rCode,
null);
/*
* 4. Submit RTask to RBroker for execution.
*
* The RTaskToken is returned immediately. You can
* use the token to track the progress of RTask
* and/or block while waiting for a result.
*
* However, in this example we are going to allow
* the RTaskListener handle the result so
* there is nothing further for us to do here after
* we submit the RTask.
*/
RTaskToken rTaskToken = rBroker.submit(rTask);
Console.WriteLine("Submitted " + rTask + " for execution on RBroker.");
/*
* 4. Block until all tasks are complete, and shutdown has been called
*/
rBroker.waitUntilShutdown();
}
catch (Exception tex)
{
Console.WriteLine("Runtime exception=" + tex.ToString());
}
}
