finagle filter in java

LoggingFilter

import com.twitter.finagle.Service;
import com.twitter.finagle.SimpleFilter;
import com.twitter.util.Future;


public class MyThriftRequest { public int Attribute = 123; }

public class LoggingFilter extends SimpleFilter<MyThriftRequest, MyThriftResponse> {
  private static final Logger LOG = Logger.getLogger(LoggingFilter.class);

  private void logRequest(MyThriftRequest request) {
    String logMessage = "saw request with Attribute " + request.Attribute;
    LOG.info(logMessage);
  }

  @Override
  public Future<MyThriftResponse> apply(MyThriftRequest request, Service<MyThriftRequest, MyThriftResponse> service) {
    logRequest(request);
    return service.apply(request);
  }
}