public static void main(String[] args) throws Exception { ElementsTrackingQueueCliTool client = null; try { client = new ElementsTrackingQueueCliTool(); client.configure(args); } catch (ParseException e) { printHelp(); return; } catch (Throwable e) { printHelp(); // to divide usage from stacktrace output. It's lame, yes. Thread.sleep(10); System.out.println("ERROR"); e.printStackTrace(); return; } client.execute(); }
try { if (CMD_LIST.equals(command)) { printQueueElements(queue);
@Test public void testBasics() throws Exception { // "list" command executed below primarily for eye-balling ;) queue.add(new Element("elem1", "data1")); queue.add(new Element("elem2", "data2")); queue.add(new Element("elem3", "data3")); queue.take("consumer1"); Assert.assertEquals(2, getQueuedCount(queue)); Assert.assertEquals(1, Iterators.size(queue.getBeingConsumed())); String qOpts = " --zk-connection " + zkServer.getConnectionStr() + " --queue-name " + queueName; ElementsTrackingQueueCliTool.main(("list" + qOpts).split(" ")); ElementsTrackingQueueCliTool.main(("remove --element elem1" + qOpts).split(" ")); Assert.assertEquals(2, getQueuedCount(queue)); Assert.assertEquals(0, Iterators.size(queue.getBeingConsumed())); ElementsTrackingQueueCliTool.main(("list " + qOpts).split(" ")); // moving elem3 to top of the queue Assert.assertEquals("elem2", queue.getQueued().next().getElement().getId()); ElementsTrackingQueueCliTool.main(("promote --element elem3" + qOpts).split(" ")); Assert.assertEquals("elem3", queue.getQueued().next().getElement().getId()); ElementsTrackingQueueCliTool.main(("list " + qOpts).split(" ")); ElementsTrackingQueueCliTool.main(("remove --element elem2" + qOpts).split(" ")); Assert.assertEquals(1, getQueuedCount(queue)); Assert.assertEquals(0, Iterators.size(queue.getBeingConsumed())); ElementsTrackingQueueCliTool.main(("list " + qOpts).split(" ")); ElementsTrackingQueueCliTool.main(("remove_all" + qOpts).split(" ")); Assert.assertEquals(0, getQueuedCount(queue)); Assert.assertEquals(0, Iterators.size(queue.getBeingConsumed())); ElementsTrackingQueueCliTool.main(("list " + qOpts).split(" ")); }