Package org.apache.helix.model

Examples of org.apache.helix.model.Message

52
53
54
55
56
57
58
59
60
61
62
63
64
  }

  @Test()
  public void testOnBecomeLeaderFromStandby()
  {
    Message message = new Message(MessageType.STATE_TRANSITION, "0");
    message.setPartitionName(clusterName);
    message.setTgtName("controller_0");
    try
    {
      stateModel.onBecomeLeaderFromStandby(message, new NotificationContext(null));
    }
    catch (Exception e)
View Full Code Here
70
71
72
73
74
75
76
77
78
79
  }

  @Test()
  public void testOnBecomeStandbyFromLeader()
  {
    Message message = new Message(MessageType.STATE_TRANSITION, "0");
    message.setPartitionName(clusterName);
    message.setTgtName("controller_0");
    stateModel.onBecomeStandbyFromLeader(message, new NotificationContext(null));
  }
View Full Code Here
79
80
81
82
83
84
85
86
87
88
89
  }

  @Test()
  public void testOnBecomeOfflineFromStandby()
  {
    Message message = new Message(MessageType.STATE_TRANSITION, "0");
    message.setPartitionName(clusterName);
    message.setTgtName("controller_0");

    stateModel.onBecomeOfflineFromStandby(message, null);
  }
View Full Code Here
101
102
103
104
105
106
107
108
109
110
111
112
113
  }

  @Test()
  public void testRollbackOnError()
  {
    Message message = new Message(MessageType.STATE_TRANSITION, "0");
    message.setPartitionName(clusterName);
    message.setTgtName("controller_0");
    try
    {
      stateModel.onBecomeLeaderFromStandby(message, new NotificationContext(null));
    }
    catch (Exception e)
View Full Code Here
119
120
121
122
123
124
125
126
127
128
129
130
131
  }

  @Test()
  public void testReset()
  {
    Message message = new Message(MessageType.STATE_TRANSITION, "0");
    message.setPartitionName(clusterName);
    message.setTgtName("controller_0");
    try
    {
      stateModel.onBecomeLeaderFromStandby(message, new NotificationContext(null));
    }
    catch (Exception e)
View Full Code Here
114
115
116
117
118
119
120
121
122
123
124
    {
      // OK
    }
    MessageSelectionStageOutput msgSelectOutput = new MessageSelectionStageOutput();
    List<Message> selectMessages = new ArrayList<Message>();
    Message msg =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-001",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
View Full Code Here
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
    MessageThrottleStage throttleStage = new MessageThrottleStage();

    // test constraintSelection
    // message1: hit contraintSelection rule1 and rule2
    Message msg1 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-001",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
                      "localhost_0");

    Map<ConstraintAttribute, String> msgAttr =
        ClusterConstraints.toConstraintAttributes(msg1);
    Set<ConstraintItem> matches = constraint.match(msgAttr);
    System.out.println(msg1 + " matches(" + matches.size() + "): " + matches);
    Assert.assertEquals(matches.size(), 5);
    Assert.assertTrue(containsConstraint(matches, constraint0));
    Assert.assertTrue(containsConstraint(matches, constraint1));
    Assert.assertTrue(containsConstraint(matches, constraint2));
    Assert.assertTrue(containsConstraint(matches, constraint4));
    Assert.assertTrue(containsConstraint(matches, constraint5));

    matches = throttleStage.selectConstraints(matches, msgAttr);
    System.out.println(msg1 + " matches(" + matches.size() + "): " + matches);
    Assert.assertEquals(matches.size(), 2);
    Assert.assertTrue(containsConstraint(matches, constraint1));
    Assert.assertTrue(containsConstraint(matches, constraint5));

    // message2: hit contraintSelection rule1, rule2, and rule3
    Message msg2 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-002",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
                      "localhost_1");

    msgAttr = ClusterConstraints.toConstraintAttributes(msg2);
    matches = constraint.match(msgAttr);
    System.out.println(msg2 + " matches(" + matches.size() + "): " + matches);
    Assert.assertEquals(matches.size(), 5);
    Assert.assertTrue(containsConstraint(matches, constraint0));
    Assert.assertTrue(containsConstraint(matches, constraint1));
    Assert.assertTrue(containsConstraint(matches, constraint2));
    Assert.assertTrue(containsConstraint(matches, constraint3));
    Assert.assertTrue(containsConstraint(matches, constraint4));

    matches = throttleStage.selectConstraints(matches, msgAttr);
    System.out.println(msg2 + " matches(" + matches.size() + "): " + matches);
    Assert.assertEquals(matches.size(), 2);
    Assert.assertTrue(containsConstraint(matches, constraint1));
    Assert.assertTrue(containsConstraint(matches, constraint3));

    // test messageThrottleStage
    ClusterEvent event = new ClusterEvent("testEvent");
    event.addAttribute("helixmanager", manager);

    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());
    runPipeline(event, dataRefresh);
    runStage(event, new ResourceComputationStage());
    MessageSelectionStageOutput msgSelectOutput = new MessageSelectionStageOutput();

    Message msg3 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-003",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
                      "localhost_0");

    Message msg4 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-004",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
                      "localhost_0");

    Message msg5 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-005",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
                      "localhost_0");

    Message msg6 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-006",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
View Full Code Here
117
118
119
120
121
122
123
124
125
126
127
128
129
130
    List<Message> messages =
        msgSelOutput.getMessages(resourceName, new Partition(resourceName + "_0"));
    Assert.assertEquals(messages.size(),
                        1,
                        "Should output 1 message: OFFLINE-SLAVE for node0");
    Message message = messages.get(0);
    Assert.assertEquals(message.getFromState(), "OFFLINE");
    Assert.assertEquals(message.getToState(), "SLAVE");
    Assert.assertEquals(message.getTgtName(), "localhost_0");

    // round2: updates node0 currentState to SLAVE but keep the
    // message, make sure controller should not send S->M until removal is done
    setCurrentState(clusterName,
                    "localhost_0",
View Full Code Here
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
    List<Message> messages =
        msgSelOutput.getMessages(resourceName, new Partition(resourceName + "_0"));
    Assert.assertEquals(messages.size(),
                        1,
                        "Should output 1 message: OFFLINE-SLAVE for node0");
    Message message = messages.get(0);
    Assert.assertEquals(message.getFromState(), "OFFLINE");
    Assert.assertEquals(message.getToState(), "SLAVE");
    Assert.assertEquals(message.getTgtName(), "localhost_0");

    // round2: drop resource, but keep the
    // message, make sure controller should not send O->DROPPEDN until O->S is done
    HelixAdmin admin = new ZKHelixAdmin(_gZkClient);
    admin.dropResource(clusterName, resourceName);

    runPipeline(event, dataRefresh);
    runPipeline(event, rebalancePipeline);
    msgSelOutput = event.getAttribute(AttributeName.MESSAGES_SELECTED.toString());
    messages = msgSelOutput.getMessages(resourceName, new Partition(resourceName + "_0"));
    Assert.assertEquals(messages.size(),
                        1,
                        "Should output only 1 message: OFFLINE->DROPPED for localhost_1");

    message = messages.get(0);
    Assert.assertEquals(message.getFromState(), "SLAVE");
    Assert.assertEquals(message.getToState(), "OFFLINE");
    Assert.assertEquals(message.getTgtName(), "localhost_1");

    // round3: remove O->S for localhost_0, controller should now send O->DROPPED to
    // localhost_0
    Builder keyBuilder = accessor.keyBuilder();
    List<String> msgIds = accessor.getChildNames(keyBuilder.messages("localhost_0"));
    accessor.removeProperty(keyBuilder.message("localhost_0", msgIds.get(0)));
    runPipeline(event, dataRefresh);
    runPipeline(event, rebalancePipeline);
    msgSelOutput = event.getAttribute(AttributeName.MESSAGES_SELECTED.toString());
    messages = msgSelOutput.getMessages(resourceName, new Partition(resourceName + "_0"));
    Assert.assertEquals(messages.size(),
                        1,
                        "Should output 1 message: OFFLINE->DROPPED for localhost_0");
    message = messages.get(0);
    Assert.assertEquals(message.getFromState(), "OFFLINE");
    Assert.assertEquals(message.getToState(), "DROPPED");
    Assert.assertEquals(message.getTgtName(), "localhost_0");

    System.out.println("END " + clusterName + " at "
        + new Date(System.currentTimeMillis()));

  }
View Full Code Here
381
382
383
384
385
386
387
388
389
390
391
392
393
394
    List<Message> messages =
        msgSelOutput.getMessages(resourceName, new Partition(resourceName + "_0"));
    Assert.assertEquals(messages.size(),
                        1,
                        "Should output 1 message: SLAVE-MASTER for node1");
    Message message = messages.get(0);
    Assert.assertEquals(message.getFromState(), "SLAVE");
    Assert.assertEquals(message.getToState(), "MASTER");
    Assert.assertEquals(message.getTgtName(), "localhost_1");

    // round2: updates node0 currentState to SLAVE but keep the
    // message, make sure controller should not send S->M until removal is done
    setupLiveInstances(clusterName, new int[] { 0 });
    setCurrentState(clusterName,
View Full Code Here
TOP

Related Classes of org.apache.helix.model.Message

  • org.apache.helix.api.accessor.ClusterAccessor
  • org.apache.helix.api.accessor.ParticipantAccessor
  • org.apache.helix.api.config.SchedulerTaskConfig
  • org.apache.helix.api.Resource
  • org.apache.helix.controller.stages.ContainerProvisioningStage
  • org.apache.helix.controller.stages.ExternalViewComputeStage
  • org.apache.helix.controller.stages.MessageGenerationPhase
  • org.apache.helix.controller.stages.MessageGenerationStage
  • org.apache.helix.controller.stages.TaskAssignmentStage
  • org.apache.helix.controller.stages.TestCurrentStateComputationStage
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.