Package org.jclouds.openstack.marconi.v1.domain

Examples of org.jclouds.openstack.marconi.v1.domain.MessageStream

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   public void streamManyPagesOfMessages() throws Exception {
      for (String zoneId : zones) {
         MessageApi messageApi = api.getMessageApiForZoneAndClientAndQueue(zoneId, CLIENT_ID, "jclouds-test");
         messageIds.put(zoneId, new ArrayList<String>());

         MessageStream messageStream = messageApi.stream(echo(true).limit(2));

         while(messageStream.nextMarker().isPresent()) {
            assertEquals(Iterables.size(messageStream), 2);

            for (Message message: messageStream) {
               messageIds.get(zoneId).add(message.getId());
            }

            messageStream = messageApi.stream(messageStream.nextStreamOptions());
         }

         assertFalse(messageStream.nextMarker().isPresent());
      }
   }
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      /**
       * Process messages off the queue until we haven't seen any messages 3 times in a row.
       */
      public void run() {
         StreamMessagesOptions streamMessagesOptions = limit(2);
         MessageStream stream = messageApi.stream(streamMessagesOptions);

         while (consecutiveSleepCount < 3) {
            if (stream.nextMarker().isPresent()) {
               process(stream);
               consecutiveSleepCount = 0;
               streamMessagesOptions = stream.nextStreamOptions();
            }
            else {
               sleep(150);
               consecutiveSleepCount++;
               // leave the streamMessagesOptions from the previous loop as is so it can be used in the next loop
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   private void streamMessages() {
      System.out.format("Stream Messages%n");

      MessageApi messageApi = marconiApi.getMessageApiForZoneAndClientAndQueue(ZONE, CONSUMER_ID, NAME);
      MessageStream stream = messageApi.stream();
      String marker = "";

      while(stream.nextMarker().isPresent()) {
         for (Message message: stream) {
            Properties messageProps = loadStringProperties(message.getBody());
            int messageNum = Integer.valueOf(messageProps.getProperty(MESSAGE_NUM));

            System.out.format("  Read message %d%n", messageNum);

            if (messageNum == 49) {
               System.out.format("  Breaking at message %d%n", messageNum);
               // Breaking here to illustrate how to resume using the marker below
               break;
            }
         }

         marker = stream.nextStreamOptions().getMarker();
         stream = messageApi.stream(stream.nextStreamOptions());
      }

      stream = messageApi.stream(marker(marker));

      while(stream.nextMarker().isPresent()) {
         for (Message message: stream) {
            Properties messageProps = loadStringProperties(message.getBody());
            int messageNum = Integer.valueOf(messageProps.getProperty(MESSAGE_NUM));

            System.out.format("  Read message %d%n", messageNum);
         }

         stream = messageApi.stream(stream.nextStreamOptions());
      }
   }
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      try {
         MarconiApi api = api(server.getUrl("/").toString(), "openstack-marconi");
         MessageApi messageApi = api.getMessageApiForZoneAndClientAndQueue("DFW", CLIENT_ID, "jclouds-test");

         MessageStream messageStream = messageApi.stream();

         assertTrue(Iterables.isEmpty(messageStream));
         assertFalse(messageStream.nextMarker().isPresent());

         assertEquals(server.getRequestCount(), 2);
         assertEquals(server.takeRequest().getRequestLine(), "POST /tokens HTTP/1.1");
         assertEquals(server.takeRequest().getRequestLine(), "GET /v1/123123/queues/jclouds-test/messages HTTP/1.1");
      }
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      try {
         MarconiApi api = api(server.getUrl("/").toString(), "openstack-marconi");
         MessageApi messageApi = api.getMessageApiForZoneAndClientAndQueue("DFW", CLIENT_ID, "jclouds-test");

         MessageStream messageStream = messageApi.stream();

         while(messageStream.nextMarker().isPresent()) {
            assertEquals(Iterables.size(messageStream), 6);

            messageStream = messageApi.stream(messageStream.nextStreamOptions());
         }

         assertFalse(messageStream.nextMarker().isPresent());

         assertEquals(server.getRequestCount(), 3);
         assertEquals(server.takeRequest().getRequestLine(), "POST /tokens HTTP/1.1");
         assertEquals(server.takeRequest().getRequestLine(), "GET /v1/123123/queues/jclouds-test/messages HTTP/1.1");
         assertEquals(server.takeRequest().getRequestLine(), "GET /v1/123123/queues/jclouds-test/messages?marker=4512 HTTP/1.1");
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      try {
         MarconiApi api = api(server.getUrl("/").toString(), "openstack-marconi");
         MessageApi messageApi = api.getMessageApiForZoneAndClientAndQueue("DFW", CLIENT_ID, "jclouds-test");

         MessageStream messageStream = messageApi.stream(limit(2));

         while(messageStream.nextMarker().isPresent()) {
            assertEquals(Iterables.size(messageStream), 2);

            messageStream = messageApi.stream(messageStream.nextStreamOptions());
         }

         assertFalse(messageStream.nextMarker().isPresent());

         assertEquals(server.getRequestCount(), 5);
         assertEquals(server.takeRequest().getRequestLine(), "POST /tokens HTTP/1.1");
         assertEquals(server.takeRequest().getRequestLine(), "GET /v1/123123/queues/jclouds-test/messages?limit=2 HTTP/1.1");
         assertEquals(server.takeRequest().getRequestLine(), "GET /v1/123123/queues/jclouds-test/messages?marker=4508&limit=2 HTTP/1.1");
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         CreateMessage message2 = CreateMessage.builder().ttl(86400).body(json2).build();
         String json3 = "{\"event\":{\"name\":\"HK Java User Group\",\"attendees\":[\"bob\",\"jim\",\"sally\"]}}";
         CreateMessage message3 = CreateMessage.builder().ttl(86400).body(json3).build();
         List<CreateMessage> messages = ImmutableList.of(message1, message2, message3);

         MessagesCreated messagesCreated = messageApi.create(messages);

         assertNotNull(messagesCreated);
         assertEquals(messagesCreated.getMessageIds().size(), 3);
      }
   }
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         String json1 = "{\"event\":{\"name\":\"Edmonton Java User Group\",\"attendees\":[\"bob\",\"jim\",\"sally\"]}}";
         CreateMessage message1 = CreateMessage.builder().ttl(120).body(json1).build();
         List<CreateMessage> message = ImmutableList.of(message1);

         MessagesCreated messagesCreated = messageApi.create(message);

         assertNotNull(messagesCreated);
         assertEquals(messagesCreated.getMessageIds().size(), 1);
      }
   }
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         CreateMessage message2 = CreateMessage.builder().ttl(120).body(json2).build();
         String json3 = "{\"event\":{\"name\":\"HK Java User Group\",\"attendees\":[\"bob\",\"jim\",\"sally\"]}}";
         CreateMessage message3 = CreateMessage.builder().ttl(120).body(json3).build();
         List<CreateMessage> messages = ImmutableList.of(message1, message2, message3);

         MessagesCreated messagesCreated = messageApi.create(messages);

         assertNotNull(messagesCreated);
         assertEquals(messagesCreated.getMessageIds().size(), 3);
      }
   }
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         String json1 = "{\"event\":{\"name\":\"Edmonton Java User Group\",\"attendees\":[\"bob\",\"jim\",\"sally\"]}}";
         CreateMessage createMessage1 = CreateMessage.builder().ttl(120).body(json1).build();
         List<CreateMessage> createMessages = ImmutableList.of(createMessage1);

         MessagesCreated messagesCreated = messageApi.create(createMessages);

         assertNotNull(messagesCreated);
         assertEquals(messagesCreated.getMessageIds().size(), 1);
         assertEquals(messagesCreated.getMessageIds().get(0), "526550ecef913e655ff84db8");

         assertEquals(server.getRequestCount(), 2);
         assertEquals(server.takeRequest().getRequestLine(), "POST /tokens HTTP/1.1");
         assertEquals(server.takeRequest().getRequestLine(), "POST /v1/123123/queues/jclouds-test/messages HTTP/1.1");
      }
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