// Copyright 2018 Istio Authors
//
// 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 istio.mixer.adapter.model.v1beta1;

option go_package="istio.io/api/mixer/adapter/model/v1beta1";
option java_package = "io.istio.api.mixer.adapter.model.v1beta1";
option java_outer_classname = "ExtensionsProto";

import "google/protobuf/descriptor.proto";


// The available varieties of templates, controlling the semantics of what an adapter does with each instance.
enum TemplateVariety {
    // Makes the template applicable for Mixer's check calls. Instances of such template are created during
    // report calls in Mixer and passed to the handlers based on the rule configurations.
    TEMPLATE_VARIETY_CHECK = 0;
    // Makes the template applicable for Mixer's report calls. Instances of such template are created during
    // check calls in Mixer and passed to the handlers based on the rule configurations.
    TEMPLATE_VARIETY_REPORT = 1;
    // Makes the template applicable for Mixer's quota calls. Instances of such template are created during
    // quota check calls in Mixer and passed to the handlers based on the rule configurations.
    TEMPLATE_VARIETY_QUOTA = 2;
    // Makes the template applicable for Mixer's attribute generation phase. Instances of such template are created during
    // pre-processing attribute generation phase and passed to the handlers based on the rule configurations.
    TEMPLATE_VARIETY_ATTRIBUTE_GENERATOR = 3;
}

// File level options for the template.
extend google.protobuf.FileOptions {
    // Required: option for the TemplateVariety.
    TemplateVariety template_variety = 72295727;
    // Optional: option for the template name.
    // If not specified, the last segment of the template proto's package name is used to
    // derive the template name.
    string template_name = 72295888;
}