errors.go

/*
Copyright 2024 Robert Terhaar <robbyt@robbyt.net>

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 fsm

import "errors"

// ErrInvalidConfiguration is returned when the FSM configuration is invalid
var ErrInvalidConfiguration = errors.New("invalid FSM configuration")

// ErrCurrentStateIncorrect is returned when the current state does not match with expectations
var ErrCurrentStateIncorrect = errors.New("current state is incorrect")

// ErrInvalidStateTransition is returned when the state transition is invalid
var ErrInvalidStateTransition = errors.New("state transition is invalid")

// ErrEmptyState is returned when attempting to unmarshal JSON with an empty state
var ErrEmptyState = errors.New("state cannot be empty")

// ErrEmptyTransitions is returned when attempting to unmarshal JSON with empty transitions
var ErrEmptyTransitions = errors.New("transitions cannot be empty")

// ErrInvalidJSONTransitions is returned when JSON transitions configuration is invalid
var ErrInvalidJSONTransitions = errors.New("invalid transitions in JSON")