/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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";

package tensorflow;

option cc_enable_arenas = true;
option java_outer_classname = "VersionsProtos";
option java_multiple_files = true;
option java_package = "org.tensorflow.framework";
option go_package = "github.com/tensorflow/tensorflow/tensorflow/go/core/framework/versions_go_proto";

// Version information for a piece of serialized data
//
// There are different types of versions for each type of data
// (GraphDef, etc.), but they all have the same common shape
// described here.
//
// Each consumer has "consumer" and "min_producer" versions (specified
// elsewhere).  A consumer is allowed to consume this data if
//
//   producer >= min_producer
//   consumer >= min_consumer
//   consumer not in bad_consumers
//
message VersionDef {
  // The version of the code that produced this data.
  int32 producer = 1;

  // Any consumer below this version is not allowed to consume this data.
  int32 min_consumer = 2;

  // Specific consumer versions which are disallowed (e.g. due to bugs).
  repeated int32 bad_consumers = 3;
}
