Package org.apache.mahout.matrix

Examples of org.apache.mahout.matrix.JsonVectorAdapter

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  @Override
  public JsonElement serialize(DirichletState<?> src, Type typeOfSrc,
                               JsonSerializationContext context) {
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Vector.class, new JsonVectorAdapter());
    builder.registerTypeAdapter(Model.class, new JsonModelAdapter());
    builder.registerTypeAdapter(ModelDistribution.class,
        new JsonModelDistributionAdapter());
    Gson gson = builder.create();
    JsonObject obj = new JsonObject();
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  @Override
  public DirichletState<?> deserialize(JsonElement json, Type typeOfT,
                                       JsonDeserializationContext context) throws JsonParseException {
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Vector.class, new JsonVectorAdapter());
    builder.registerTypeAdapter(Model.class, new JsonModelAdapter());
    builder.registerTypeAdapter(ModelDistribution.class,
        new JsonModelDistributionAdapter());
    Gson gson = builder.create();
    JsonObject obj = json.getAsJsonObject();
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  @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 Type typeOfModel = new TypeToken<DirichletCluster<Vector>>() {
  }.getType();

  public String asFormatString() {
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Vector.class, new JsonVectorAdapter());
    builder.registerTypeAdapter(Model.class, new JsonModelAdapter());
    Gson gson = builder.create();
    return gson.toJson(this, typeOfModel);
  }
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    model.write(out);
  }

  public static DirichletCluster<Vector> fromFormatString(String formatString) {
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Vector.class, new JsonVectorAdapter());
    builder.registerTypeAdapter(Model.class, new JsonModelAdapter());
    Gson gson = builder.create();
    return gson.fromJson(formatString, typeOfModel);
  }
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Related Classes of org.apache.mahout.matrix.JsonVectorAdapter

  • com.google.gson.Gson
  • com.google.gson.GsonBuilder
  • com.google.gson.JsonObject
  • com.google.gson.JsonPrimitive
  • org.apache.mahout.clustering.dirichlet.DirichletCluster
  • org.apache.mahout.clustering.dirichlet.JsonDirichletStateAdapter
  • org.apache.mahout.clustering.dirichlet.JsonModelAdapter
  • org.apache.mahout.clustering.dirichlet.TestMapReduce
  • org.apache.mahout.clustering.meanshift.MeanShiftCanopy
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