// Copyright 2021 Google LLC
//
// 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.aiplatform.v1;

import "google/api/field_behavior.proto";
import "google/api/resource.proto";
import "google/cloud/aiplatform/v1/deployed_index_ref.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/struct.proto";
import "google/protobuf/timestamp.proto";
import "google/api/annotations.proto";

option csharp_namespace = "Google.Cloud.AIPlatform.V1";
option go_package = "google.golang.org/genproto/googleapis/cloud/aiplatform/v1;aiplatform";
option java_multiple_files = true;
option java_outer_classname = "IndexProto";
option java_package = "com.google.cloud.aiplatform.v1";
option php_namespace = "Google\\Cloud\\AIPlatform\\V1";
option ruby_package = "Google::Cloud::AIPlatform::V1";

// A representation of a collection of database items organized in a way that
// allows for approximate nearest neighbor (a.k.a ANN) algorithms search.
message Index {
  option (google.api.resource) = {
    type: "aiplatform.googleapis.com/Index"
    pattern: "projects/{project}/locations/{location}/indexes/{index}"
  };

  // Output only. The resource name of the Index.
  string name = 1 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Required. The display name of the Index.
  // The name can be up to 128 characters long and can be consist of any UTF-8
  // characters.
  string display_name = 2 [(google.api.field_behavior) = REQUIRED];

  // The description of the Index.
  string description = 3;

  // Immutable. Points to a YAML file stored on Google Cloud Storage describing additional
  // information about the Index, that is specific to it. Unset if the Index
  // does not have any additional information.
  // The schema is defined as an OpenAPI 3.0.2 [Schema
  // Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.2.md#schemaObject).
  // Note: The URI given on output will be immutable and probably different,
  // including the URI scheme, than the one given on input. The output URI will
  // point to a location where the user only has a read access.
  string metadata_schema_uri = 4 [(google.api.field_behavior) = IMMUTABLE];

  // An additional information about the Index; the schema of the metadata can
  // be found in [metadata_schema][google.cloud.aiplatform.v1.Index.metadata_schema_uri].
  google.protobuf.Value metadata = 6;

  // Output only. The pointers to DeployedIndexes created from this Index.
  // An Index can be only deleted if all its DeployedIndexes had been undeployed
  // first.
  repeated DeployedIndexRef deployed_indexes = 7 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Used to perform consistent read-modify-write updates. If not set, a blind
  // "overwrite" update happens.
  string etag = 8;

  // The labels with user-defined metadata to organize your Indexes.
  //
  // Label keys and values can be no longer than 64 characters
  // (Unicode codepoints), can only contain lowercase letters, numeric
  // characters, underscores and dashes. International characters are allowed.
  //
  // See https://goo.gl/xmQnxf for more information and examples of labels.
  map<string, string> labels = 9;

  // Output only. Timestamp when this Index was created.
  google.protobuf.Timestamp create_time = 10 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. Timestamp when this Index was most recently updated.
  // This also includes any update to the contents of the Index.
  // Note that Operations working on this Index may have their
  // [Operations.metadata.generic_metadata.update_time]
  // [google.cloud.aiplatform.v1.GenericOperationMetadata.update_time] a little after the value of this
  // timestamp, yet that does not mean their results are not already reflected
  // in the Index. Result of any successfully completed Operation on the Index
  // is reflected in it.
  google.protobuf.Timestamp update_time = 11 [(google.api.field_behavior) = OUTPUT_ONLY];
}