handler.go

// Copyright (c) 2018 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package errors

import "errors"

var (
	// ErrNotFound is returned when something is not found, this might be used for direct comparison
	ErrNotFound = errors.New("not found")
	// ErrHeaderNotFound is returned when a header is not found
	ErrHeaderNotFound = errors.New("header not found")
	// ErrBatchQuery is returned when a batch query is found
	ErrBatchQuery = errors.New("batch queries are currently not supported")
	// ErrNoQueryFound is returned when a target is not found
	ErrNoQueryFound = errors.New("no query found")
	// ErrInvalidResultParamError is returned when result field for complete tag request
	// is an unexpected value
	ErrInvalidResultParamError = errors.New("invalid 'result' type for complete tag request")
	// ErrNoName is returned when no name param is provided in the resource path
	ErrNoName = errors.New("invalid path with no name present")
	// ErrInvalidMatchers is returned when invalid matchers are provided
	ErrInvalidMatchers = errors.New("invalid matchers")
	// ErrNamesOnly is returned when label values results are name only
	ErrNamesOnly = errors.New("can not render label values; result has label names only")
	// ErrWithNames is returned when label values results are name only
	ErrWithNames = errors.New("can not render label list; result has label names and values")
	// ErrMultipleResults is returned when there are multiple label values results
	ErrMultipleResults = errors.New("can not render label values; multiple results detected")
)