public int queueSize() {
return changes.size();
}
@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 checkIfInterrupted(DocumentChange c) throws InterruptedException {
if (c == INTERRUPT_MARKER || (!shouldRun && changes.isEmpty())) {
throw new InterruptedException();
}
}
public DocumentChange next(long timeout, TimeUnit unit) throws InterruptedException {
assertRunningState();
DocumentChange c = changes.poll(timeout, unit);
checkIfInterrupted(c);
return c;
}
public DocumentChange poll() throws InterruptedException {
assertRunningState();
DocumentChange c = changes.poll();
checkIfInterrupted(c);
return c;
}
private void handleChange(String line)
throws IOException, InterruptedException, JsonParseException, JsonMappingException {
changes.put(new StdDocumentChange(OBJECT_MAPPER.readTree(line)));
}