use of io.cdap.cdap.api.worker.Worker in project cdap by caskdata.
the class WorkerDriver method startUp.
@Override
protected void startUp() throws Exception {
LoggingContextAccessor.setLoggingContext(context.getLoggingContext());
// Instantiate worker instance
Class<?> workerClass = program.getClassLoader().loadClass(spec.getClassName());
@SuppressWarnings("unchecked") TypeToken<Worker> workerType = (TypeToken<Worker>) TypeToken.of(workerClass);
worker = new InstantiatorFactory(false).get(workerType).create();
// Fields injection
Reflections.visit(worker, workerType.getType(), new MetricsFieldSetter(context.getMetrics()), new PropertyFieldSetter(spec.getProperties()));
LOG.debug("Starting Worker Program {}", program.getId());
// Initialize worker
// Worker is always using Explicit transaction
TransactionControl txControl = Transactions.getTransactionControl(TransactionControl.EXPLICIT, Worker.class, worker, "initialize", WorkerContext.class);
context.initializeProgram(worker, txControl, false);
}
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