Examples of org.apache.helix.controller.strategy.AutoRebalanceStrategy$Node

Package org.apache.helix.controller.strategy

Examples of org.apache.helix.controller.strategy.AutoRebalanceStrategy$Node

org.apache.helix.controller.strategy.AutoRebalanceStrategy
A Node is an entity that can serve replicas. It has a capacity and knowledge of replicas assigned to it, so it can decide if it can receive additional replicas.

    return getLiteral(n, false);
  }


  public static Literal getLiteral(final Node node, final boolean allowLazyLiteral) {
    Literal literal = null;
    Node n = node;


    if (n instanceof ASTNIL) {
      try {
        literal = (allowLazyLiteral) ? LiteralFactory
            .createURILiteral("<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>")
            : LiteralFactory
                .createURILiteralWithoutLazyLiteral("<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>");
      } catch (final URISyntaxException e1) {
        e1.printStackTrace();
      }
    } else if (n instanceof ASTBlankNode) {
      final ASTBlankNode blankNode = (ASTBlankNode) n;
      final String name = blankNode.getIdentifier();
      literal = (allowLazyLiteral) ? LiteralFactory
          .createAnonymousLiteral(name) : LiteralFactory
          .createAnonymousLiteralWithoutLazyLiteral(name);
    } else if (n instanceof ASTQuotedURIRef) {
      final ASTQuotedURIRef uri = (ASTQuotedURIRef) n;
      final String name = uri.getQRef();


      if (URILiteral.isURI("<" + name + ">")) {
        try {
          literal = (allowLazyLiteral) ? LiteralFactory
              .createURILiteral("<" + name + ">")
              : LiteralFactory
                  .createURILiteralWithoutLazyLiteral("<"
                      + name + ">");
        } catch (final Exception e) {
          literal = (allowLazyLiteral) ? LiteralFactory
              .createLiteral("<" + name + ">") : LiteralFactory
              .createLiteralWithoutLazyLiteral("<" + name + ">");
        }
      } else {
        literal = (allowLazyLiteral) ? LiteralFactory.createLiteral("<"
            + name + ">") : LiteralFactory
            .createLiteralWithoutLazyLiteral("<" + name + ">");
      }
    } else if (n instanceof ASTRDFLiteral) {
      n = n.jjtGetChild(0);
    }


    if (literal != null) {
      return literal;
    }


    if (n instanceof ASTStringLiteral) {
      final ASTStringLiteral lit = (ASTStringLiteral) n;
      final String quotedContent = lit.getStringLiteral();


      literal = (allowLazyLiteral) ?
          LiteralFactory.createLiteral(quotedContent)
          : LiteralFactory.createLiteralWithoutLazyLiteral(quotedContent);
    } else if (n instanceof ASTInteger) {
      final ASTInteger lit = (ASTInteger) n;
      final String content = String.valueOf(lit.getValue());


      try {
        literal = (allowLazyLiteral) ? LiteralFactory
            .createTypedLiteral("\"" + content + "\"",
                "<http://www.w3.org/2001/XMLSchema#integer>")
            : TypedLiteralOriginalContent.createTypedLiteral("\""
                + content + "\"",
                "<http://www.w3.org/2001/XMLSchema#integer>");
      } catch (final URISyntaxException e) {
        literal = (allowLazyLiteral) ? LiteralFactory
            .createLiteral(content) : LiteralFactory
            .createLiteralWithoutLazyLiteral(content);
      }
    } else if (n instanceof ASTFloatingPoint) {
      final ASTFloatingPoint lit = (ASTFloatingPoint) n;
      final String content = lit.getValue();


      try {
        if (content.contains("e") || content.contains("E")) {
          literal = (allowLazyLiteral) ? LiteralFactory
              .createTypedLiteral("\"" + content + "\"",
                  "<http://www.w3.org/2001/XMLSchema#double>")
              : TypedLiteralOriginalContent
                  .createTypedLiteral("\"" + content + "\"",
                      "<http://www.w3.org/2001/XMLSchema#double>");
        } else {
          literal = (allowLazyLiteral) ? LiteralFactory
              .createTypedLiteral("\"" + content + "\"",
                  "<http://www.w3.org/2001/XMLSchema#decimal>")
              : TypedLiteralOriginalContent
                  .createTypedLiteral("\"" + content + "\"",
                      "<http://www.w3.org/2001/XMLSchema#decimal>");
        }
      } catch (final URISyntaxException e) {
        literal = (allowLazyLiteral) ? LiteralFactory
            .createLiteral(content) : LiteralFactory
            .createLiteralWithoutLazyLiteral(content);
      }
    } else if (n instanceof ASTBooleanLiteral) {
      final String content = ((ASTBooleanLiteral) n).getState() + "";


      try {
        literal = (allowLazyLiteral) ? LiteralFactory
            .createTypedLiteral("\"" + content + "\"",
                "<http://www.w3.org/2001/XMLSchema#boolean>")
            : TypedLiteralOriginalContent.createTypedLiteral("\""
                + content + "\"",
                "<http://www.w3.org/2001/XMLSchema#boolean>");
      } catch (final URISyntaxException e) {
        literal = (allowLazyLiteral) ? LiteralFactory
            .createLiteral(content) : LiteralFactory
            .createLiteralWithoutLazyLiteral(content);
      }
    } else if (n instanceof ASTDoubleCircumflex) {
      if (n.jjtGetNumChildren() != 2) {
        System.err.println(n + " is expected to have 2 children!");
      } else {
        final String content = getLiteral(n.jjtGetChild(0), false).toString();
        final String type = getLiteral(n.jjtGetChild(1), false).toString();


        try {
          literal = (allowLazyLiteral) ? LiteralFactory
              .createTypedLiteral(content, type)
              : TypedLiteralOriginalContent.createTypedLiteral(
                  content, type);
        } catch (final Exception e) {
          literal = (allowLazyLiteral) ? LiteralFactory
              .createLiteral(content + "^^" + type)
              : LiteralFactory
                  .createLiteralWithoutLazyLiteral(content
                      + "^^" + type);
        }
      }
    } else if (n instanceof ASTLangTag) {
      final String content = getLiteral(n.jjtGetChild(0), false).toString();
      final String lang = ((ASTLangTag) n).getLangTag();
      literal = (allowLazyLiteral) ? LiteralFactory
          .createLanguageTaggedLiteral(content, lang)
          : LanguageTaggedLiteralOriginalLanguage
              .createLanguageTaggedLiteral(content, lang);
    } else if (n instanceof ASTQName) {
      final ASTQName uri = (ASTQName) n;
      final String namespace = uri.getNameSpace();
      final String localName = uri.getLocalName();


      final String name = namespace + localName;


      if (URILiteral.isURI("<" + name + ">")) {
        try {
          literal = (allowLazyLiteral) ? LiteralFactory
              .createURILiteral("<" + name + ">")
              : LiteralFactory
                  .createURILiteralWithoutLazyLiteral("<"
                      + name + ">");
        } catch (final Exception e) {
          literal = (allowLazyLiteral) ? LiteralFactory
              .createLiteral("<" + name + ">") : LiteralFactory
              .createLiteralWithoutLazyLiteral("<" + name + ">");
        }
      } else {
        literal = (allowLazyLiteral) ? LiteralFactory.createLiteral("<"
            + name + ">") : LiteralFactory
            .createLiteralWithoutLazyLiteral("<" + name + ">");
      }
    } else if(n instanceof ASTObjectList){
      literal = getLiteral(n.jjtGetChild(0), allowLazyLiteral);
    } else {
      System.err.println("Unexpected type! "
          + n.getClass().getSimpleName());
    }


    return literal;
  }

View Full Code Here

      LOG.info("maxPartition: " + maxPartition);
    }
    ReplicaPlacementScheme placementScheme = new DefaultPlacementScheme();
    placementScheme.init(_manager);
    _algorithm =
        new AutoRebalanceStrategy(resourceName, partitions, stateCountMap, maxPartition,
            placementScheme);
    ZNRecord newMapping =
        _algorithm.computePartitionAssignment(liveNodes, currentMapping, allNodes);


    if (LOG.isInfoEnabled()) {

View Full Code Here

      LOG.info("maxPartition: " + maxPartition);
    }
    ReplicaPlacementScheme placementScheme = new DefaultPlacementScheme();
    placementScheme.init(_manager);
    _algorithm =
        new AutoRebalanceStrategy(resourceName, partitions, stateCountMap, maxPartition,
            placementScheme);
    ZNRecord newMapping =
        _algorithm.computePartitionAssignment(liveNodes, currentMapping, allNodes);


    if (LOG.isInfoEnabled()) {

View Full Code Here

      allPreviousDecisionMap.putAll(currStateOutput.getPendingStateMap(resourceId, partition));
      currentMapping.put(partition, allPreviousDecisionMap);
    }


    // Get the assignment keyed on partition
    AutoRebalanceStrategy strategy =
        new AutoRebalanceStrategy(resourceId, partitions, states, Integer.MAX_VALUE,
            new AutoRebalanceStrategy.DefaultPlacementScheme());
    List<ParticipantId> allNodes =
        Lists.newArrayList(getEligibleInstances(jobCfg, currStateOutput, instances, cache));
    Collections.sort(allNodes);
    ZNRecord record = strategy.typedComputePartitionAssignment(allNodes, currentMapping, allNodes);
    Map<String, List<String>> preferenceLists = record.getListFields();


    // Convert to an assignment keyed on participant
    Map<ParticipantId, SortedSet<Integer>> taskAssignment = Maps.newHashMap();
    for (Map.Entry<String, List<String>> e : preferenceLists.entrySet()) {

View Full Code Here

      LOG.debug("allNodes: " + allParticipantList);
      LOG.debug("maxPartition: " + maxPartition);
    }
    ReplicaPlacementScheme placementScheme = new DefaultPlacementScheme();
    _algorithm =
        new AutoRebalanceStrategy(idealState.getResourceId(), partitions, stateCountMap,
            maxPartition, placementScheme);
    ZNRecord newMapping =
        _algorithm.typedComputePartitionAssignment(liveParticipantList, currentMapping,
            allParticipantList);

View Full Code Here

      LOG.info("allNodes: " + allParticipantList);
      LOG.info("maxPartition: " + maxPartition);
    }
    ReplicaPlacementScheme placementScheme = new DefaultPlacementScheme();
    _algorithm =
        new AutoRebalanceStrategy(config.getResourceId(), partitions, stateCountMap, maxPartition,
            placementScheme);
    ZNRecord newMapping =
        _algorithm.typedComputePartitionAssignment(liveParticipantList, currentMapping,
            allParticipantList);

View Full Code Here

        ConstraintBasedAssignment.stateCount(upperBounds, stateModelDef, participantSet.size(),
            getReplicaCount());
    ReplicaPlacementScheme placementScheme = new DefaultPlacementScheme();
    List<ParticipantId> participantList = new ArrayList<ParticipantId>(participantSet);
    List<PartitionId> partitionList = new ArrayList<PartitionId>(getPartitionSet());
    AutoRebalanceStrategy strategy =
        new AutoRebalanceStrategy(ResourceId.from(""), partitionList, stateCounts,
            getMaxPartitionsPerParticipant(), placementScheme);
    Map<String, List<String>> rawPreferenceLists =
        strategy.typedComputePartitionAssignment(participantList, currentMapping, participantList)
            .getListFields();
    Map<PartitionId, List<ParticipantId>> preferenceLists =
        Maps.newHashMap(IdealState.preferenceListsFromStringLists(rawPreferenceLists));
    setPreferenceLists(preferenceLists);
  }

View Full Code Here

        ConstraintBasedAssignment.stateCount(upperBounds, stateModelDef, participantSet.size(),
            getReplicaCount());
    ReplicaPlacementScheme placementScheme = new DefaultPlacementScheme();
    List<ParticipantId> participantList = new ArrayList<ParticipantId>(participantSet);
    List<PartitionId> partitionList = new ArrayList<PartitionId>(getPartitionSet());
    AutoRebalanceStrategy strategy =
        new AutoRebalanceStrategy(ResourceId.from(""), partitionList, stateCounts,
            getMaxPartitionsPerParticipant(), placementScheme);
    Map<String, Map<String, String>> rawPreferenceMaps =
        strategy.typedComputePartitionAssignment(participantList, currentMapping, participantList)
            .getMapFields();
    Map<PartitionId, Map<ParticipantId, State>> preferenceMaps =
        Maps.newHashMap(ResourceAssignment.replicaMapsFromStringMaps(rawPreferenceMaps));
    setPreferenceMaps(preferenceMaps);
  }

View Full Code Here

      allPreviousDecisionMap.putAll(currStateOutput.getPendingStateMap(resourceId, partition));
      currentMapping.put(partition.getPartitionName(), allPreviousDecisionMap);
    }


    // Get the assignment keyed on partition
    AutoRebalanceStrategy strategy =
        new AutoRebalanceStrategy(resourceId, partitions, states, Integer.MAX_VALUE,
            new AutoRebalanceStrategy.DefaultPlacementScheme());
    List<String> allNodes =
        Lists.newArrayList(getEligibleInstances(jobCfg, currStateOutput, instances, cache));
    Collections.sort(allNodes);
    ZNRecord record = strategy.computePartitionAssignment(allNodes, currentMapping, allNodes);
    Map<String, List<String>> preferenceLists = record.getListFields();


    // Convert to an assignment keyed on participant
    Map<String, SortedSet<Integer>> taskAssignment = Maps.newHashMap();
    for (Map.Entry<String, List<String>> e : preferenceLists.entrySet()) {

View Full Code Here

      LOG.info("maxPartition: " + maxPartition);
    }
    ReplicaPlacementScheme placementScheme = new DefaultPlacementScheme();
    placementScheme.init(_manager);
    _algorithm =
        new AutoRebalanceStrategy(resourceName, partitions, stateCountMap, maxPartition,
            placementScheme);
    ZNRecord newMapping =
        _algorithm.computePartitionAssignment(liveNodes, currentMapping, allNodes);


    if (LOG.isInfoEnabled()) {

View Full Code Here

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