Code Coverage for libsmalldb: /src/Annotation/Transition.php

1	<?php declare(strict_types = 1);
2	/*
3	* Copyright (c) 2019, Josef Kufner <josef@kufner.cz>
4	*
5	* Licensed under the Apache License, Version 2.0 (the "License");
6	* you may not use this file except in compliance with the License.
7	* You may obtain a copy of the License at
8	*
9	* http://www.apache.org/licenses/LICENSE-2.0
10	*
11	* Unless required by applicable law or agreed to in writing, software
12	* distributed under the License is distributed on an "AS IS" BASIS,
13	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14	* See the License for the specific language governing permissions and
15	* limitations under the License.
16	*
17	*/
18
19	namespace Smalldb\StateMachine\Annotation;
20
21
22	/**
23	* Transition annotation
24	*
25	* @Annotation
26	* @Target({"METHOD"})
27	*/
28	class Transition
29	{
30	public ?string $source = null;
31
32	/** @var string[] */
33	public array $targets = [];
34
35
36	public function __construct(array $values)
37	{
38	if (isset($values['value'])) {
39	if (is_array($values['value']) && count($values['value']) === 2
40	&& is_string($values['value'][0])
41	&& is_array($values['value'][1]) && count($values['value'][1]) > 0)
42	{
43	list($this->source, $this->targets) = $values['value'];
44	} else {
45	throw new \InvalidArgumentException("Transition annotation requires none or two arguments - a source state and a list of target states.");
46	}
47	}
48	}
49
50
51	public function definesTransition(): bool
52	{
53	return $this->source !== null && !empty($this->targets);
54	}
55
56	}