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80 lines
2.9 KiB
80 lines
2.9 KiB
3 years ago
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// Copyright 2019 Google LLC.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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syntax = "proto3";
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package google.api;
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import "google/protobuf/descriptor.proto";
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option go_package = "google.golang.org/genproto/googleapis/api/annotations;annotations";
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option java_multiple_files = true;
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option java_outer_classname = "FieldBehaviorProto";
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option java_package = "com.google.api";
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option objc_class_prefix = "GAPI";
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// An indicator of the behavior of a given field (for example, that a field
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// is required in requests, or given as output but ignored as input).
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// This **does not** change the behavior in protocol buffers itself; it only
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// denotes the behavior and may affect how API tooling handles the field.
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//
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// Note: This enum **may** receive new values in the future.
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enum FieldBehavior {
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// Conventional default for enums. Do not use this.
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FIELD_BEHAVIOR_UNSPECIFIED = 0;
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// Specifically denotes a field as optional.
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// While all fields in protocol buffers are optional, this may be specified
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// for emphasis if appropriate.
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OPTIONAL = 1;
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// Denotes a field as required.
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// This indicates that the field **must** be provided as part of the request,
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// and failure to do so will cause an error (usually `INVALID_ARGUMENT`).
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REQUIRED = 2;
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// Denotes a field as output only.
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// This indicates that the field is provided in responses, but including the
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// field in a request does nothing (the server *must* ignore it and
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// *must not* throw an error as a result of the field's presence).
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OUTPUT_ONLY = 3;
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// Denotes a field as input only.
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// This indicates that the field is provided in requests, and the
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// corresponding field is not included in output.
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INPUT_ONLY = 4;
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// Denotes a field as immutable.
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// This indicates that the field may be set once in a request to create a
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// resource, but may not be changed thereafter.
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IMMUTABLE = 5;
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}
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extend google.protobuf.FieldOptions {
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// A designation of a specific field behavior (required, output only, etc.)
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// in protobuf messages.
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//
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// Examples:
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//
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// string name = 1 [(google.api.field_behavior) = REQUIRED];
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// State state = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
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// google.protobuf.Duration ttl = 1
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// [(google.api.field_behavior) = INPUT_ONLY];
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// google.protobuf.Timestamp expire_time = 1
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// [(google.api.field_behavior) = OUTPUT_ONLY,
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// (google.api.field_behavior) = IMMUTABLE];
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repeated FieldBehavior field_behavior = 1052;
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}
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