Examples of ConstraintItemBuilder

org.apache.helix.model.builder.ConstraintItemBuilder

Examples of org.apache.helix.model.builder.ConstraintItemBuilder

    } catch (Exception e) {
      Assert.fail("Should not throw exception when remove a non-exist constraint.");
    }


    // 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>(_zkclient));
    PropertyKey.Builder keyBuilder = new PropertyKey.Builder(clusterName);
    constraints =

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Examples of org.apache.helix.model.builder.ConstraintItemBuilder

    record.setSimpleField("STATE_MODEL_DEF_REF", "MasterSlave");
    record.setListField(resourceName, Arrays.asList("node1", "node2"));


    admin.setResourceIdealState(clusterName, resourceName, new IdealState(record));


    ConstraintItemBuilder builder = new ConstraintItemBuilder();


    // limit one transition message at a time across the entire cluster
    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());
  }

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Examples of org.apache.helix.model.builder.ConstraintItemBuilder

        "MasterSlave", true); // do rebalance


    // setup message constraint
    // "MESSAGE_TYPE=STATE_TRANSITION,TRANSITION=OFFLINE-SLAVE,INSTANCE=.*,CONSTRAINT_VALUE=1";
    HelixAdmin admin = new ZKHelixAdmin(_zkclient);
    ConstraintItemBuilder builder = new ConstraintItemBuilder();
    builder.addConstraintAttribute("MESSAGE_TYPE", "STATE_TRANSITION")
        .addConstraintAttribute("INSTANCE", ".*").addConstraintAttribute("CONSTRAINT_VALUE", "1");


    // 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, _baseAccessor);


    // make sure we never see more than 1 state transition message for each participant

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Examples of org.apache.helix.model.builder.ConstraintItemBuilder

        break;
      default:
        LOG.error("Unsupported scope for adding a transition constraint: " + scope);
        return this;
      }
      ConstraintItem item = new ConstraintItemBuilder().addConstraintAttributes(attributes).build();
      ClusterConstraints constraints = getConstraintsInstance(ConstraintType.MESSAGE_CONSTRAINT);
      constraints.addConstraintItem(ConstraintId.from(scope, stateModelDefId, transition), item);
      return this;
    }

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Examples of org.apache.helix.model.builder.ConstraintItemBuilder

    } catch (Exception e) {
      Assert.fail("Should not throw exception when remove a non-exist constraint.");
    }


    // 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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Examples of org.apache.helix.model.builder.ConstraintItemBuilder

   */
  public ClusterConstraints(ZNRecord record) {
    super(record);


    for (String constraintId : _record.getMapFields().keySet()) {
      ConstraintItemBuilder builder = new ConstraintItemBuilder();
      ConstraintItem item =
          builder.addConstraintAttributes(_record.getMapField(constraintId)).build();
      // ignore item with empty attributes or no constraint-value
      if (item.getAttributes().size() > 0 && item.getConstraintValue() != null) {
        addConstraintItem(ConstraintId.from(constraintId), item);
      } else {
        LOG.error("Skip invalid constraint. key: " + constraintId + ", value: "

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Examples of org.apache.helix.model.builder.ConstraintItemBuilder

      throw new IllegalArgumentException(
          "fail to set constraint. missing clusterName|constraintType|constraintId|constraintAttributesMap");
    }


    ConstraintType type = ConstraintType.valueOf(constraintType);
    ConstraintItemBuilder builder = new ConstraintItemBuilder();
    Map<String, String> constraintAttributes =
        HelixUtil.parseCsvFormatedKeyValuePairs(constraintAttributesMap);
    ConstraintItem constraintItem = builder.addConstraintAttributes(constraintAttributes).build();
    _admin.setConstraint(clusterName, type, constraintId, constraintItem);
  }

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Examples of org.apache.helix.model.builder.ConstraintItemBuilder

        "MasterSlave", true); // do rebalance


    // setup message constraint
    // "MESSAGE_TYPE=STATE_TRANSITION,TRANSITION=OFFLINE-SLAVE,INSTANCE=.*,CONSTRAINT_VALUE=1";
    HelixAdmin admin = new ZKHelixAdmin(_gZkClient);
    ConstraintItemBuilder builder = new ConstraintItemBuilder();
    builder.addConstraintAttribute("MESSAGE_TYPE", "STATE_TRANSITION")
        .addConstraintAttribute("INSTANCE", ".*").addConstraintAttribute("CONSTRAINT_VALUE", "1");


    // 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));


    // make sure we never see more than 1 state transition message for each participant

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Examples of org.apache.helix.model.builder.ConstraintItemBuilder

        break;
      default:
        LOG.error("Unsupported scope for adding a transition constraint: " + scope);
        return this;
      }
      ConstraintItem item = new ConstraintItemBuilder().addConstraintAttributes(attributes).build();
      ClusterConstraints constraints = getConstraintsInstance(ConstraintType.MESSAGE_CONSTRAINT);
      constraints.addConstraintItem(ConstraintId.from(scope, stateModelDefId, transition), item);
      return this;
    }

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Examples of org.apache.helix.model.builder.ConstraintItemBuilder

        break;
      default:
        LOG.error("Unsupported scope for adding a state constraint: " + scope);
        return this;
      }
      ConstraintItem item = new ConstraintItemBuilder().addConstraintAttributes(attributes).build();
      ClusterConstraints constraints = getConstraintsInstance(ConstraintType.STATE_CONSTRAINT);
      constraints.addConstraintItem(ConstraintId.from(scope, stateModelDefId, state), item);
      return this;
    }

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