pkg/event/errors.go

// Copyright (c) Facebook, Inc. and its affiliates.
//
// This source code is licensed under the MIT license found in the
// LICENSE file in the root directory of this source tree.

package event

import (
	"fmt"
)

// ErrQueryFieldIsAlreadySet is returned when QueryFields failed validation due
// to multiple QueryField which modifies the same field (this is unexpected
// and forbidden).
type ErrQueryFieldIsAlreadySet struct {
	FieldValue interface{}
	QueryField QueryField
}

func (err ErrQueryFieldIsAlreadySet) Error() string {
	return fmt.Sprintf("field %T is set multiple times: cur_value:%v new_value:%v",
		err.QueryField, err.FieldValue, err.QueryField)
}

// ErrQueryFieldHasZeroValue is returned when a QueryFields failed validation
// due to a QueryField with a zero value (this is unexpected and forbidden).
type ErrQueryFieldHasZeroValue struct {
	QueryField QueryField
}

func (err ErrQueryFieldHasZeroValue) Error() string {
	return fmt.Sprintf("field %T has a zero value", err.QueryField)
}