Examples of ClusterConstraints

Examples of org.apache.helix.model.ClusterConstraints

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

    accessor.setProperty(keyBuilder.constraint(ConstraintType.MESSAGE_CONSTRAINT.toString()),
                         new ClusterConstraints(record));

    record =
        accessor.getProperty(keyBuilder.constraint(ConstraintType.MESSAGE_CONSTRAINT.toString()))
                .getRecord();
    ClusterConstraints constraint = new ClusterConstraints(record);
    // System.out.println("constraint: " + constraint);

    // message1
    Message msg1 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-001",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
                      "localhost_12918");

    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(contains(matches, constraint0));
    Assert.assertTrue(contains(matches, constraint1));
    Assert.assertTrue(contains(matches, constraint2));
    Assert.assertTrue(contains(matches, constraint4));
    Assert.assertTrue(contains(matches, constraint5));

    // message2
    Message msg2 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-002",
                      "OFFLINE",
                      "SLAVE",
                      "TestDB",
                      "localhost_12919");

    msgAttr = ClusterConstraints.toConstraintAttributes(msg2);
    matches = constraint.match(msgAttr);
    System.out.println(msg2 + " matches(" + matches.size() + "): " + matches);
    Assert.assertEquals(matches.size(), 5);
    Assert.assertTrue(contains(matches, constraint0));
    Assert.assertTrue(contains(matches, constraint1));
    Assert.assertTrue(contains(matches, constraint2));
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Examples of org.apache.helix.model.ClusterConstraints

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

    accessor.setProperty(keyBuilder.constraint(ConstraintType.STATE_CONSTRAINT.toString()),
                         new ClusterConstraints(record));

    record =
        accessor.getProperty(keyBuilder.constraint(ConstraintType.STATE_CONSTRAINT.toString()))
                .getRecord();
    ClusterConstraints constraint = new ClusterConstraints(record);
    // System.out.println("constraint: " + constraint);

    // state1: hit rule2
    Map<ConstraintAttribute, String> stateAttr1 =
        new HashMap<ConstraintAttribute, String>();
    stateAttr1.put(ConstraintAttribute.STATE, "MASTER");
    stateAttr1.put(ConstraintAttribute.RESOURCE, "TestDB");

    Set<ConstraintItem> matches = constraint.match(stateAttr1);
    System.out.println(stateAttr1 + " matches(" + matches.size() + "): " + matches);
    Assert.assertEquals(matches.size(), 3);
    Assert.assertTrue(contains(matches, constraint0));
    Assert.assertTrue(contains(matches, constraint1));
    Assert.assertTrue(contains(matches, constraint2));

    // matches = selectConstraints(matches, stateAttr1);
    // System.out.println(stateAttr1 + " matches(" + matches.size() + "): " + matches);
    // Assert.assertEquals(matches.size(), 2);
    // Assert.assertTrue(contains(matches, constraint0));
    // Assert.assertTrue(contains(matches, constraint1));

    // state2: not hit any rules
    Map<ConstraintAttribute, String> stateAttr2 =
        new HashMap<ConstraintAttribute, String>();
    stateAttr2.put(ConstraintAttribute.STATE, "MASTER");
    stateAttr2.put(ConstraintAttribute.RESOURCE, "MyDB");

    matches = constraint.match(stateAttr2);
    System.out.println(stateAttr2 + " matches(" + matches.size() + "): " + matches);
    Assert.assertEquals(matches.size(), 2);
    Assert.assertTrue(contains(matches, constraint0));
    Assert.assertTrue(contains(matches, constraint2));
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