Package org.apache.mahout.math

Examples of org.apache.mahout.math.JsonVectorAdapter

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  private static final Logger log = LoggerFactory.getLogger(JsonClusterAdapter.class);
 
  @Override
  public JsonElement serialize(DirichletCluster<?> src, Type typeOfSrc, JsonSerializationContext context) {
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Vector.class, new JsonVectorAdapter());
    Gson gson = builder.create();
    JsonObject obj = new JsonObject();
    obj.add("total", new JsonPrimitive(src.getTotalCount()));
    obj.add("modelClass", new JsonPrimitive(src.getModel().getClass().getName()));
    obj.add("modelJson", new JsonPrimitive(gson.toJson(src)));
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  @Override
  public DirichletCluster<?> deserialize(JsonElement json,
                                         Type typeOfT,
                                         JsonDeserializationContext context) throws JsonParseException {
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Vector.class, new JsonVectorAdapter());
    Gson gson = builder.create();
    JsonObject obj = json.getAsJsonObject();
    double total = obj.get("total").getAsDouble();
    String klass = obj.get("modelClass").getAsString();
    String modelJson = obj.get("modelJson").getAsString();
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  @Override
  public String asJsonString() {
    Type vectorType = new TypeToken<Vector>() { }.getType();
    GsonBuilder gBuilder = new GsonBuilder();
    gBuilder.registerTypeAdapter(vectorType, new JsonVectorAdapter());
    Gson gson = gBuilder.create();
    return gson.toJson(this, this.getClass());
  }
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  private static final Logger log = LoggerFactory.getLogger(JsonModelAdapter.class);
 
  @Override
  public JsonElement serialize(Model<?> src, Type typeOfSrc, JsonSerializationContext context) {
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Vector.class, new JsonVectorAdapter());
    Gson gson = builder.create();
    JsonObject obj = new JsonObject();
    obj.add("class", new JsonPrimitive(src.getClass().getName()));
    obj.add("model", new JsonPrimitive(gson.toJson(src)));
    return obj;
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  @Override
  public Model<?> deserialize(JsonElement json, Type typeOfT,
                              JsonDeserializationContext context) throws JsonParseException {
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Vector.class, new JsonVectorAdapter());
    Gson gson = builder.create();
    JsonObject obj = json.getAsJsonObject();
    String klass = obj.get("class").getAsString();
    String model = obj.get("model").getAsString();
    ClassLoader ccl = Thread.currentThread().getContextClassLoader();
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  private static final Logger log = LoggerFactory.getLogger(JsonModelDistributionAdapter.class);

  @Override
  public JsonElement serialize(ModelDistribution<?> src, Type typeOfSrc, JsonSerializationContext context) {
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Vector.class, new JsonVectorAdapter());
    builder.registerTypeAdapter(DistanceMeasure.class, new JsonDistanceMeasureAdapter());
    Gson gson = builder.create();
    JsonObject obj = new JsonObject();
    obj.add("class", new JsonPrimitive(src.getClass().getName()));
    obj.add("model", new JsonPrimitive(gson.toJson(src)));
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  }

  @Override
  public ModelDistribution<?> deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Vector.class, new JsonVectorAdapter());
    builder.registerTypeAdapter(DistanceMeasure.class, new JsonDistanceMeasureAdapter());
    Gson gson = builder.create();
    JsonObject obj = json.getAsJsonObject();
    String klass = obj.get("class").getAsString();
    String model = obj.get("model").getAsString();
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  private static final Logger log = LoggerFactory.getLogger(JsonModelAdapter.class);
 
  @Override
  public JsonElement serialize(Model<?> src, Type typeOfSrc, JsonSerializationContext context) {
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Vector.class, new JsonVectorAdapter());
    Gson gson = builder.create();
    JsonObject obj = new JsonObject();
    obj.add("class", new JsonPrimitive(src.getClass().getName()));
    obj.add("model", new JsonPrimitive(gson.toJson(src)));
    return obj;
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  @Override
  public Model<?> deserialize(JsonElement json, Type typeOfT,
                              JsonDeserializationContext context) {
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Vector.class, new JsonVectorAdapter());
    Gson gson = builder.create();
    JsonObject obj = json.getAsJsonObject();
    String klass = obj.get("class").getAsString();
    String model = obj.get("model").getAsString();
    ClassLoader ccl = Thread.currentThread().getContextClassLoader();
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  private static final Logger log = LoggerFactory.getLogger(JsonDistanceMeasureAdapter.class);

  @Override
  public JsonElement serialize(DistanceMeasure src, Type typeOfSrc, JsonSerializationContext context) {
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Vector.class, new JsonVectorAdapter());
    Gson gson = builder.create();
    JsonObject obj = new JsonObject();
    obj.add("class", new JsonPrimitive(src.getClass().getName()));
    obj.add("model", new JsonPrimitive(gson.toJson(src)));
    return obj;
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Related Classes of org.apache.mahout.math.JsonVectorAdapter

  • com.google.gson.Gson
  • com.google.gson.GsonBuilder
  • com.google.gson.JsonObject
  • com.google.gson.JsonPrimitive
  • org.apache.mahout.classifier.naivebayes.NaiveBayesModel
  • org.apache.mahout.classifier.sequencelearning.hmm.HmmModel
  • org.apache.mahout.clustering.AbstractCluster
  • org.apache.mahout.clustering.ClusterBase
  • org.apache.mahout.clustering.dirichlet.JsonClusterAdapter
  • org.apache.mahout.clustering.dirichlet.JsonClusterModelAdapter
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