Examples of com.nokia.dempsy.config.ClusterId

com.nokia.dempsy.config.ClusterId

This class represents the Id of a message processor cluster within a Dempsy application. Cluster Id's are essentially a two level name: application name, cluster name, and they correspond to the {@link ApplicationDefinition}'s applicationName and the {@link ClusterDefinition}'s clusterName.

A cluster Id should be unique.

ClusterIds are immutable.

See the User Guide for an explanation of what a 'message processor cluster' is.

               {
                  // alternate the dempsy configs
                  for (String dempsyConfig : new AlternatingIterable(hardcore,dempsyConfigs))
                  {


                     if (! badCombos.contains(new ClusterId(clusterManager,transport)))
                     {
                        String pass = applicationContext + " test: " + (checker == null ? "none" : checker) + " using " + dempsyConfig + "," + clusterManager + "," + serializer + "," + transport;
                        try
                        {
                           logger.debug("*****************************************************************");

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      actx.registerShutdownHook();
      
      Dempsy dempsy = (Dempsy)actx.getBean("dempsy");
      assertNotNull(dempsy);
      
      Dempsy.Application.Cluster cluster = dempsy.getCluster(new ClusterId("test-app", "test-cluster0"));
      assertNull(cluster);


      cluster = dempsy.getCluster(new ClusterId("test-app", "test-cluster1"));
      assertNull(cluster);


      cluster = dempsy.getCluster(new ClusterId("test-app", "test-cluster2"));
      assertNotNull(cluster);
      assertEquals(1,cluster.getNodes().size());


      cluster = dempsy.getCluster(new ClusterId("test-app", "test-cluster3"));
      assertNull(cluster);


      cluster = dempsy.getCluster(new ClusterId("test-app", "test-cluster4"));
      assertNull(cluster);


      actx.stop();
      actx.destroy();
   }

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               for (int i = 0; i < mps.length; i++)
               {
                  String cluster = "test-cluster" + (i + 1);
                  mps[i] = (TestMp) getMp(dempsy,"test-app",cluster);
                  sessions[i] = (DisruptibleSession)(dempsy.getCluster(new ClusterId("test-app", cluster)).getNodes().get(0).retouRteg().getClusterSession());
                  assertEquals(1, mps[i].startCalls.get());
               }


               for (int i = 0; i < mps.length; i++)
               {

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                  assertEquals(adaptor.lastSent,message);
                  assertEquals(adaptor.lastSent,mp.lastReceived.get());
                  
                  // now go into a disruption loop
                  ClusterInfoSession session = TestUtils.getSession(dempsy.getCluster(new ClusterId("test-app","test-cluster1")));
                  assertNotNull(session);
                  DisruptibleSession dsess = (DisruptibleSession) session;
                  
                  final AtomicBoolean stopSending = new AtomicBoolean(false);

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            });
   }
   
   private static Object getMp(Dempsy dempsy, String appName, String clusterName)
   {
      Dempsy.Application.Cluster cluster = dempsy.getCluster(new ClusterId(appName,clusterName));
      Dempsy.Application.Cluster.Node node = cluster.getNodes().get(0); // currently there is one node per cluster.
      return node.clusterDefinition.getMessageProcessorPrototype();
   }

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      return node.clusterDefinition.getMessageProcessorPrototype();
   }
   
   private static Adaptor getAdaptor(Dempsy dempsy, String appName, String clusterName)
   {
      Dempsy.Application.Cluster cluster = dempsy.getCluster(new ClusterId(appName,clusterName));
      Dempsy.Application.Cluster.Node node = cluster.getNodes().get(0); // currently there is one node per cluster.
      return node.clusterDefinition.getAdaptor();
   }

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            Thread.sleep(100); // give it a little time.


            // wait for it to be received.
            assertTrue(poll(baseTimeoutMillis,mp,new Condition<TestMp>() { @Override public boolean conditionMet(TestMp mp) {  return mp.cloneCalls.get()==3; } }));
            List<Node> nodes = dempsy.getCluster(new ClusterId("test-app","test-cluster1")).getNodes();
            Assert.assertNotNull(nodes);
            Assert.assertTrue(nodes.size()>0);
            Node node = nodes.get(0);
            Assert.assertNotNull(node);
            double duration = ((MetricGetters)node.getStatsCollector()).getPreInstantiationDuration();

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            // start things and verify that the init method was called
            Dempsy dempsy = (Dempsy)context.getBean("dempsy");
            TestMp mp = (TestMp) getMp(dempsy, "test-app","test-cluster1");


            Dempsy.Application.Cluster c = dempsy.getCluster(new ClusterId("test-app","test-cluster1"));
            assertNotNull(c);
            Dempsy.Application.Cluster.Node node = c.getNodes().get(0);
            assertNotNull(node);
            
            MpContainer container = node.getMpContainer();

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            // verify we haven't called it again, not that there's really
            // a way to given the code
            assertEquals(1, mp.startCalls.get());
            
            // make sure that there are no Mps
            MetricGetters statsCollector = (MetricGetters)dempsy.getCluster(new ClusterId("test-app","test-cluster1")).getNodes().get(0).getStatsCollector();
            Thread.sleep(10);
            assertEquals(0,statsCollector.getMessageProcessorsCreated());
            
            mp.failActivation.set("test1");
            TestAdaptor adaptor = (TestAdaptor)context.getBean("adaptor");

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            try
            {
               // start things and verify that the init method was called
               Dempsy dempsy = (Dempsy)context.getBean("dempsy");
               TestMp mp = (TestMp) getMp(dempsy, "test-app","test-cluster1");
               final ClusterId clusterId = new ClusterId("test-app","test-cluster1");


               // verify we haven't called it again, not that there's really
               // a way to given the code
               assertEquals(1, mp.startCalls.get());


               // make sure that there are no Mps
               MetricGetters statsCollector = (MetricGetters)dempsy.getCluster(new ClusterId("test-app","test-cluster1")).getNodes().get(0).getStatsCollector();


               // This will wait until the keySpace is up to the maxcount which is set (in the setup, below) to 100000
               assertTrue(poll(baseTimeoutMillis, statsCollector, 
                     new Condition<MetricGetters>() { @Override public boolean conditionMet(MetricGetters sc) 
                     {  return 100000 == sc.getMessageProcessorCount(); } }));


               // now push the cluster into backup node.
               ClusterInfoSession originalSession = dempsy.getCluster(new ClusterId("test-app","test-cluster1")).getNodes().get(0).retouRteg().getClusterSession();
               ClusterInfoSessionFactory factory = dempsy.getClusterSessionFactory();


               session = TestUtils.stealShard(originalSession, factory, clusterId.asPath() + "/" + String.valueOf(0),baseTimeoutMillis);


               // If we got here then the MpContainer is on standby and the number of Mps should
               // drop to zero.
               assertTrue(poll(baseTimeoutMillis, statsCollector, 
                     new Condition<MetricGetters>() { @Override public boolean conditionMet(MetricGetters sc)

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com.nokia.dempsy.Application$Cluster$Node

com.nokia.dempsy.cluster.TestAllClusterImpls

com.nokia.dempsy.cluster.zookeeper.TestFullApp

com.nokia.dempsy.cluster.zookeeper.TestZookeeperClusterImpl

com.nokia.dempsy.cluster.zookeeper.TestZookeeperClusterResilience

com.nokia.dempsy.container.TestInstanceManager

com.nokia.dempsy.container.TestMpContainer

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com.nokia.dempsy.messagetransport.tcp.TcpTransportTest

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