public DataRetrievalRule unmarshall(JsonUnmarshallerContext context) throws Exception {
    DataRetrievalRule dataRetrievalRule = new DataRetrievalRule();

    int originalDepth = context.getCurrentDepth();
    String currentParentElement = context.getCurrentParentElement();
    int targetDepth = originalDepth + 1;

    JsonToken token = context.getCurrentToken();
    if (token == null) token = context.nextToken();
    if (token == VALUE_NULL) return null;

    while (true) {
      if (token == null) break;

      if (token == FIELD_NAME || token == START_OBJECT) {
        if (context.testExpression("Strategy", targetDepth)) {
          context.nextToken();
          dataRetrievalRule.setStrategy(StringJsonUnmarshaller.getInstance().unmarshall(context));
        }
        if (context.testExpression("BytesPerHour", targetDepth)) {
          context.nextToken();
          dataRetrievalRule.setBytesPerHour(LongJsonUnmarshaller.getInstance().unmarshall(context));
        }
      } else if (token == END_ARRAY || token == END_OBJECT) {
        if (context.getLastParsedParentElement() == null
            || context.getLastParsedParentElement().equals(currentParentElement)) {
          if (context.getCurrentDepth() <= originalDepth) break;
        }
      }

      token = context.nextToken();
    }

    return dataRetrievalRule;
  }
  @Override
  public boolean equals(Object obj) {
    if (this == obj) return true;
    if (obj == null) return false;

    if (obj instanceof DataRetrievalRule == false) return false;
    DataRetrievalRule other = (DataRetrievalRule) obj;
    if (other.getStrategy() == null ^ this.getStrategy() == null) return false;
    if (other.getStrategy() != null && other.getStrategy().equals(this.getStrategy()) == false)
      return false;
    if (other.getBytesPerHour() == null ^ this.getBytesPerHour() == null) return false;
    if (other.getBytesPerHour() != null
        && other.getBytesPerHour().equals(this.getBytesPerHour()) == false) return false;
    return true;
  }