Package org.apache.helix.PropertyKey

Examples of org.apache.helix.PropertyKey.Builder.constraint()

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    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
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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();
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    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
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  public void setConstraint(String clusterName, final ConstraintType constraintType,
      final String constraintId, final ConstraintItem constraintItem) {
    ZkBaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_zkClient);

    Builder keyBuilder = new Builder(clusterName);
    String path = keyBuilder.constraint(constraintType.toString()).getPath();

    baseAccessor.update(path, new DataUpdater<ZNRecord>() {
      @Override
      public ZNRecord update(ZNRecord currentData) {
        ClusterConstraints constraints =
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  public void removeConstraint(String clusterName, final ConstraintType constraintType,
      final String constraintId) {
    ZkBaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_zkClient);

    Builder keyBuilder = new Builder(clusterName);
    String path = keyBuilder.constraint(constraintType.toString()).getPath();

    baseAccessor.update(path, new DataUpdater<ZNRecord>() {
      @Override
      public ZNRecord update(ZNRecord currentData) {
        if (currentData != null) {
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  public ClusterConstraints getConstraints(String clusterName, ConstraintType constraintType) {
    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));

    Builder keyBuilder = new Builder(clusterName);
    return accessor.getProperty(keyBuilder.constraint(constraintType.toString()));
  }

  /**
   * Takes the existing idealstate as input and computes newIdealState such that
   * the partition movement is minimized. The partitions are redistributed among the instances
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  public void setConstraint(String clusterName, final ConstraintType constraintType,
      final String constraintId, final ConstraintItem constraintItem) {
    BaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_zkClient);

    Builder keyBuilder = new Builder(clusterName);
    String path = keyBuilder.constraint(constraintType.toString()).getPath();

    baseAccessor.update(path, new DataUpdater<ZNRecord>() {
      @Override
      public ZNRecord update(ZNRecord currentData) {
        ClusterConstraints constraints =
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  public void removeConstraint(String clusterName, final ConstraintType constraintType,
      final String constraintId) {
    BaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_zkClient);

    Builder keyBuilder = new Builder(clusterName);
    String path = keyBuilder.constraint(constraintType.toString()).getPath();

    baseAccessor.update(path, new DataUpdater<ZNRecord>() {
      @Override
      public ZNRecord update(ZNRecord currentData) {
        if (currentData != null) {
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  public ClusterConstraints getConstraints(String clusterName, ConstraintType constraintType) {
    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));

    Builder keyBuilder = new Builder(clusterName);
    return accessor.getProperty(keyBuilder.constraint(constraintType.toString()));
  }

  /**
   * Takes the existing idealstate as input and computes newIdealState such that
   * the partition movement is minimized. The partitions are redistributed among the instances
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    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkclient));
    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();
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