protected void generateView(Map<String, org.ektorp.support.DesignDocument.View> views, Field f) {
    DocumentReferences referenceMetaData = f.getAnnotation(DocumentReferences.class);
    if (referenceMetaData == null) {
      LOG.warn("No DocumentReferences annotation found in field: ", f.getName());
      return;
    }

    if (referenceMetaData.view().length() > 0) {
      LOG.debug("Skipping view generation for field {} as view is already specified", f.getName());
      return;
    }

    if (Set.class.isAssignableFrom(f.getType())) {
      generateSetBasedDocRefView(views, f, referenceMetaData);
    } else {
      throw new ViewGenerationException(
          String.format(
              "The type of the field: %s in %s annotated with DocumentReferences is not supported. (Must be assignable from java.util.Set)",
              f.getName(), f.getDeclaringClass()));
    }
  }
 public void cancel() {
   LOG.debug("Feed cancelled");
   shouldRun = false;
   thread.interrupt();
 }
 @edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "RV_RETURN_VALUE_IGNORED_BAD_PRACTICE")
 private void sendInterruptMarker() {
   LOG.debug("Sending interrupt marker in order to interrupt feed consumer");
   changes.offer(INTERRUPT_MARKER);
 }
 private void handleHeartbeat() {
   LOG.debug("Got heartbeat from DB");
 }