/**
 * Copyright 2019 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

syntax = "proto3";
option cc_enable_arenas = true;
option java_multiple_files = true;
option java_package = "org.dataengine.example";
option java_outer_classname = "FeatureProtos";

package dataengine;

// define Int64
message Int64List {
  repeated int64 value = 1 [packed = true];
}

// define Float
message FloatList {
  repeated float value = 1 [packed = true];
}

//define Bytes
message BytesList {
  repeated bytes value = 1;
}

// define Feature
message Feature {
  oneof kind {
    BytesList bytes_list = 1;
    FloatList float_list = 2;
    Int64List int64_list = 3;
  }
};

//define Features as Feature map
message Features {
  map<string, Feature> feature = 1;
};

// define FeatureList
message FeatureList {
  repeated Feature feature = 1;
};

// define FeatureLists as FeatureList map
message FeatureLists {
  map<string, FeatureList> feature_list = 1;
};