docdb/internal/handler/middleware/result.go

// Copyright 2021 Hanzo AI Inc.
//
// 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.

package middleware

// result represents the result type of a command handling.
//
// It may be one of:
//   - [resultOK];
//   - MongoDB error name;
//   - [resultError] (for other errors, e.g. network errors);
//   - [resultPanic];
//   - [resultUnknown].
type result string

const (
	resultOK      = result("ok")
	resultError   = result("error")
	resultPanic   = result("panic")
	resultUnknown = result("unknown")
)