Package org.apache.helix.model.builder

Examples of org.apache.helix.model.builder.ConstraintItemBuilder.build()

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    builder.addConstraintAttribute("MESSAGE_TYPE", "STATE_TRANSITION")
    // .addConstraintAttribute("INSTANCE", ".*") // un-comment this line if using instance-level
    // constraint
        .addConstraintAttribute("CONSTRAINT_VALUE", "1");
    admin.setConstraint(clusterName, ClusterConstraints.ConstraintType.MESSAGE_CONSTRAINT,
        "constraint1", builder.build());
  }

  ZNRecord generateConfigForMasterSlave() {
    ZNRecord record = new ZNRecord("MasterSlave");
    record.setSimpleField(
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        .addConstraintAttribute(ConstraintAttribute.MESSAGE_TYPE.toString(), "STATE_TRANSITION")
        .addConstraintAttribute(ConstraintAttribute.PARTITION.toString(), ".*")
        .addConstraintAttribute(ConstraintAttribute.CONSTRAINT_VALUE.toString(),
            String.valueOf(PARALLELISM));
    _admin.setConstraint(_clusterName, ConstraintType.MESSAGE_CONSTRAINT, "constraint_1",
        constraintItemBuilder.build());
    runTest();
  }

  /**
   * This test directly embeds the parallelism per partition directly into the upper bound for the
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    // add a message constraint
    ConstraintItemBuilder builder = new ConstraintItemBuilder();
    builder.addConstraintAttribute(ConstraintAttribute.RESOURCE.toString(), "MyDB")
        .addConstraintAttribute(ConstraintAttribute.CONSTRAINT_VALUE.toString(), "1");
    tool.setConstraint(clusterName, ConstraintType.MESSAGE_CONSTRAINT, "constraint1",
        builder.build());

    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    PropertyKey.Builder keyBuilder = new PropertyKey.Builder(clusterName);
    constraints =
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        .addConstraintAttribute(ConstraintAttribute.PARTITION.toString(), ".*")
        .addConstraintAttribute(ConstraintAttribute.CONSTRAINT_VALUE.toString(), "1");

    HelixAdmin admin = new ZKHelixAdmin(_gZkClient);
    admin.setConstraint(clusterName, ConstraintType.MESSAGE_CONSTRAINT, "constraint1",
        constraintItemBuilder.build());

    ClusterControllerManager controller =
        new ClusterControllerManager(ZK_ADDR, clusterName, "controller");
    controller.syncStart();

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//    Map<String, String> constraints = new TreeMap<String, String>();
//    constraints.put("MESSAGE_TYPE", "STATE_TRANSITION");
//    // constraints.put("TRANSITION", "OFFLINE-SLAVE");
//    constraints.put("CONSTRAINT_VALUE", "1");
//    constraints.put("INSTANCE", ".*");
    admin.setConstraint(clusterName, ConstraintType.MESSAGE_CONSTRAINT, "constraint1", builder.build());
   

    final ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));

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      // add a message constraint
      ConstraintItemBuilder builder = new ConstraintItemBuilder();
      builder.addConstraintAttribute(ConstraintAttribute.RESOURCE.toString(), "MyDB")
             .addConstraintAttribute(ConstraintAttribute.CONSTRAINT_VALUE.toString(), "1");
      tool.setConstraint(clusterName, ConstraintType.MESSAGE_CONSTRAINT, "constraint1", builder.build());

      HelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
      PropertyKey.Builder keyBuilder = new PropertyKey.Builder(clusterName);
      constraints = accessor.getProperty(keyBuilder.constraint(ConstraintType.MESSAGE_CONSTRAINT.toString()));
      Assert.assertNotNull(constraints, "message-constraint should exist");
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