Any callable = _callable;
Any[] parameters = _parameters;
if (context != null && callable != null && parameters != null) {
context.join(Thread.currentThread());
try {
context.log().info("Executing function: "+_callable);
Any rv = _callable.execute(context, parameters);
context.log().info("Function "+_callable+" exited, return value: "+rv);
} catch (ExitException e) {
context.log().info("Explicit thread termination, exit value: "+e.getExitValue());