Package org.apache.helix.model

Examples of org.apache.helix.model.StateModelDefinition

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    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();

    StateModelConfigGenerator generator = new StateModelConfigGenerator();
    StateModelDefinition masterSlave =
        new StateModelDefinition(generator.generateConfigForMasterSlave());
    accessor.setProperty(keyBuilder.stateModelDef(masterSlave.getId()), masterSlave);

    StateModelDefinition leaderStandby =
        new StateModelDefinition(generator.generateConfigForLeaderStandby());
    accessor.setProperty(keyBuilder.stateModelDef(leaderStandby.getId()), leaderStandby);

    StateModelDefinition onlineOffline =
        new StateModelDefinition(generator.generateConfigForOnlineOffline());
    accessor.setProperty(keyBuilder.stateModelDef(onlineOffline.getId()), onlineOffline);

  }
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    LinkedHashMap<String, Integer> states = new LinkedHashMap<String, Integer>();
    for (int i = 0; i < Math.min(stateNames.length, stateCounts.length); i++) {
      states.put(stateNames[i], stateCounts[i]);
    }

    StateModelDefinition stateModelDef = getIncompleteStateModelDef(name, stateNames[0], states);

    new AutoRebalanceTester(partitions, states, liveNodes, currentMapping, allNodes, maxPerNode,
        stateModelDef, new AutoRebalanceStrategy.DefaultPlacementScheme())
        .runRepeatedly(numIterations);
  }
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  public void testOrphansNotPreferred() {
    final String RESOURCE_NAME = "resource";
    final String[] PARTITIONS = {
        "resource_0", "resource_1", "resource_2"
    };
    final StateModelDefinition STATE_MODEL =
        new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
    final int REPLICA_COUNT = 2;
    final String[] NODES = {
        "n0", "n1", "n2"
    };
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  protected void setupStateModel() {
    ZNRecord masterSlave = new StateModelConfigGenerator().generateConfigForMasterSlave();

    Builder keyBuilder = accessor.keyBuilder();
    accessor.setProperty(keyBuilder.stateModelDef(masterSlave.getId()), new StateModelDefinition(
        masterSlave));

    ZNRecord leaderStandby = new StateModelConfigGenerator().generateConfigForLeaderStandby();
    accessor.setProperty(keyBuilder.stateModelDef(leaderStandby.getId()), new StateModelDefinition(
        leaderStandby));

    ZNRecord onlineOffline = new StateModelConfigGenerator().generateConfigForOnlineOffline();
    accessor.setProperty(keyBuilder.stateModelDef(onlineOffline.getId()), new StateModelDefinition(
        onlineOffline));
  }
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    property.getRecord().setSimpleField(key, value);
    accessor.setProperty(propertyKey, property);
  }

  private void addStateModels(HelixDataAccessor accessor) {
    StateModelDefinition masterSlave =
        new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
    accessor.setProperty(accessor.keyBuilder().stateModelDef(masterSlave.getId()), masterSlave);
    StateModelDefinition onlineOffline =
        new StateModelDefinition(StateModelConfigGenerator.generateConfigForOnlineOffline());
    accessor.setProperty(accessor.keyBuilder().stateModelDef(onlineOffline.getId()), onlineOffline);
  }
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    } catch (HelixException e) {
      // OK
    }
    ZNRecord stateModelRecord = new ZNRecord("id1");
    try {
      tool.addStateModelDef(clusterName, "id1", new StateModelDefinition(stateModelRecord));
      path = PropertyPathConfig.getPath(PropertyType.STATEMODELDEFS, clusterName, "id1");
      AssertJUnit.assertTrue(_gZkClient.exists(path));
      Assert.fail("should fail");
    } catch (HelixException e) {
      // OK
    } catch (IllegalArgumentException ex) {
      // OK
    }

    tool.addStateModelDef(clusterName, "MasterSlave", new StateModelDefinition(
        StateModelConfigGenerator.generateConfigForMasterSlave()));
    stateModelRecord = StateModelConfigGenerator.generateConfigForMasterSlave();
    try {
      tool.addStateModelDef(clusterName, stateModelRecord.getId(), new StateModelDefinition(
          stateModelRecord));
      Assert.fail("should fail if add an already-existing state model");
    } catch (HelixException e) {
      // OK
    }
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    ZKHelixAdmin tool = new ZKHelixAdmin(_gZkClient);
    tool.addCluster(clusterName, true);
    Assert.assertTrue(ZKUtil.isClusterSetup(clusterName, _gZkClient), "Cluster should be setup");

    tool.addStateModelDef(clusterName, "MasterSlave", new StateModelDefinition(
        StateModelConfigGenerator.generateConfigForMasterSlave()));
    tool.addResource(clusterName, "test-db", 4, "MasterSlave");
    Map<String, String> resourceConfig = new HashMap<String, String>();
    resourceConfig.put("key1", "value1");
    tool.setConfig(new HelixConfigScopeBuilder(ConfigScopeProperty.RESOURCE)
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      admin.addCluster(clusterName, true);

      // add state model definition
      StateModelConfigGenerator generator = new StateModelConfigGenerator();
      admin.addStateModelDef(clusterName, DEFAULT_STATE_MODEL,
          new StateModelDefinition(generator.generateConfigForOnlineOffline()));

      // add resource "topic" which has 6 partitions
      String resourceName = DEFAULT_RESOURCE_NAME;
      admin.addResource(clusterName, resourceName, DEFAULT_PARTITION_NUMBER, DEFAULT_STATE_MODEL,
          RebalanceMode.FULL_AUTO.toString());
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    message.setResourceName("TestDB");
    message.setStateModelDef("MasterSlave");

    MockManager manager = new MockManager("clusterName");
    HelixDataAccessor accessor = manager.getHelixDataAccessor();
    StateModelDefinition stateModelDef =
        new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
    Builder keyBuilder = accessor.keyBuilder();
    accessor.setProperty(keyBuilder.stateModelDef("MasterSlave"), stateModelDef);

    MockHelixTaskExecutor executor = new MockHelixTaskExecutor();
    MockStateModel stateModel = new MockStateModel();
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            jsonParameters.getExtraParameter(JsonParameters.NEW_STATE_MODEL_DEF);
        HelixDataAccessor accessor =
            ClusterRepresentationUtil.getClusterDataAccessor(zkClient, clusterName);

        accessor.setProperty(accessor.keyBuilder().stateModelDef(newStateModel.getId()),
            new StateModelDefinition(newStateModel));
        getResponse().setEntity(getStateModelsRepresentation());
      } else {
        throw new HelixException("Unsupported command: " + command + ". Should be one of ["
            + ClusterSetup.addStateModelDef + "]");
      }
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Related Classes of org.apache.helix.model.StateModelDefinition

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  • org.apache.helix.api.accessor.ParticipantAccessor
  • org.apache.helix.api.accessor.ResourceAccessor
  • org.apache.helix.controller.rebalancer.AutoRebalancer
  • org.apache.helix.controller.rebalancer.CustomRebalancer
  • org.apache.helix.controller.rebalancer.FallbackRebalancer
  • org.apache.helix.controller.rebalancer.FullAutoRebalancer
  • org.apache.helix.controller.rebalancer.SemiAutoRebalancer
  • org.apache.helix.controller.stages.BaseStageTest
  • org.apache.helix.controller.stages.BestPossibleStateCalcStage
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