sample.proto

syntax = "proto3";

package sample;

import "google/protobuf/duration.proto";
import "google/protobuf/timestamp.proto";

service SampleService {
  rpc GetValue(GetValueRequest) returns (GetValueResponse);
  rpc UpdateValue(UpdateValueRequest) returns (UpdateValueResponse);
  rpc DeleteValue(DeleteValueRequest) returns (DeleteValueResponse);
}

message Key {
  string key = 1;
}

message Value {
  Key key = 1;
  string value = 2;
  oneof expiration {
    google.protobuf.Timestamp expire_time = 3;
    google.protobuf.Duration ttl = 4;
  }
}

message GetValueRequest {
  Key key = 1;
}

message GetValueResponse {
  Value value = 1;
}

message UpdateValueRequest {
  Value value = 1;
}

message UpdateValueResponse {}

message DeleteValueRequest {
  Key key = 1;
}

message DeleteValueResponse {}