// 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.internal.federated.plan;

option java_package = "com.google.internal.federated.plan";
option java_multiple_files = true;
option java_outer_classname = "TaskEligibilityContextProto";

// Context provided to the server task eligibility computation.
//
// This context is provided to the server and is used to produce the checkpoint
// that will be sent to the clients to aid the clients in computing
// `TaskEligibilityInfo`.
message TaskEligibilityContext {
  // A list of information for each task currently being considered.
  repeated SingleTaskEligibilityContext tasks = 1;
}

// Per-task context provided to the server eligibility computation.
message SingleTaskEligibilityContext {
  // Name of the task.
  string task_name = 1;

  // Information about a policy that should be applied to the task to determine
  // if it's eligible to be run. For example, a "didnt_run_recently" policy
  // could instruct the server task eligibility computation that the task should
  // not be run again by a client that ran it recently, where "recently" is
  // implementation defined.
  message EligibilityPolicy {
    // The name of the policy. The set of possible values and their
    // interpretation is implementation defined.
    string name = 1;
  }

  // The list of eligibility policies that should be applied to the task.
  repeated EligibilityPolicy policies = 2;
}