// Copyright 2017 Google Inc.
//
// 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";

package google.cloud.ml.v1;

import "google/api/annotations.proto";
import "google/cloud/ml/v1/model_service.proto";
import "google/protobuf/timestamp.proto";

option go_package = "google.golang.org/genproto/googleapis/cloud/ml/v1;ml";
option java_multiple_files = true;
option java_outer_classname = "OperationMetadataProto";
option java_package = "com.google.cloud.ml.api.v1";

// Copyright 2017 Google Inc. All Rights Reserved.
//
// Proto file for the Google Cloud Machine Learning Engine.
// Describes the metadata for longrunning operations.

// Represents the metadata of the long-running operation.
message OperationMetadata {
  // The operation type.
  enum OperationType {
    // Unspecified operation type.
    OPERATION_TYPE_UNSPECIFIED = 0;

    // An operation to create a new version.
    CREATE_VERSION = 1;

    // An operation to delete an existing version.
    DELETE_VERSION = 2;

    // An operation to delete an existing model.
    DELETE_MODEL = 3;
  }

  // The time the operation was submitted.
  google.protobuf.Timestamp create_time = 1;

  // The time operation processing started.
  google.protobuf.Timestamp start_time = 2;

  // The time operation processing completed.
  google.protobuf.Timestamp end_time = 3;

  // Indicates whether a request to cancel this operation has been made.
  bool is_cancellation_requested = 4;

  // The operation type.
  OperationType operation_type = 5;

  // Contains the name of the model associated with the operation.
  string model_name = 6;

  // Contains the version associated with the operation.
  Version version = 7;
}
