JsonObject listSketches()

in src/main/java/org/apache/datasketches/server/SketchStorage.java [101:141]
38 lines of code
9 McCabe index (conditional complexity)

  JsonObject listSketches() {
    final JsonObject summary = new JsonObject();

    final JsonArray sketchList = new JsonArray(sketchMap.size());
    for (final Map.Entry<String, SketchEntry> e : sketchMap.entrySet()) {
      final JsonObject item = new JsonObject();
      item.addProperty(CONFIG_SKETCH_NAME_FIELD, e.getKey());
      switch (e.getValue().family_) {
        case UNION:
          item.addProperty(CONFIG_TYPE_FIELD, e.getValue().type_.getTypeName());
          item.addProperty(CONFIG_FAMILY_FIELD, SKETCH_FAMILY_THETA);
          break;
        case CPC:
          item.addProperty(CONFIG_TYPE_FIELD, e.getValue().type_.getTypeName());
          item.addProperty(CONFIG_FAMILY_FIELD, SKETCH_FAMILY_CPC);
          break;
        case HLL:
          item.addProperty(CONFIG_TYPE_FIELD, e.getValue().type_.getTypeName());
          item.addProperty(CONFIG_FAMILY_FIELD, SKETCH_FAMILY_HLL);
          break;
        case FREQUENCY:
          item.addProperty(CONFIG_FAMILY_FIELD, SKETCH_FAMILY_FREQUENCY);
          break;
        case KLL:
          item.addProperty(CONFIG_FAMILY_FIELD, SKETCH_FAMILY_KLL);
          break;
        case RESERVOIR:
          item.addProperty(CONFIG_FAMILY_FIELD, SKETCH_FAMILY_RESERVOIR);
          break;
        case VAROPT:
          item.addProperty(CONFIG_FAMILY_FIELD, SKETCH_FAMILY_VAROPT);
          break;
      }
      sketchList.add(item);
    }

    summary.addProperty(RESPONSE_SKETCH_COUNT_FIELD, sketchMap.size());
    summary.add(SketchConstants.CONFIG_SKETCHES_PREFIX, sketchList); // bare prefix, sketches fully qualified

    return summary;
  }