|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Smoren\Containers\Structs; |
|
4
|
|
|
|
|
5
|
|
|
class GraphLink |
|
6
|
|
|
{ |
|
7
|
|
|
/** |
|
8
|
|
|
* @var GraphItem left item |
|
9
|
|
|
*/ |
|
10
|
|
|
protected GraphItem $leftItem; |
|
11
|
|
|
/** |
|
12
|
|
|
* @var GraphItem right item |
|
13
|
|
|
*/ |
|
14
|
|
|
protected GraphItem $rightItem; |
|
15
|
|
|
/** |
|
16
|
|
|
* @var string link type |
|
17
|
|
|
*/ |
|
18
|
|
|
protected string $type; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* GraphItemLink constructor. |
|
22
|
|
|
* @param GraphItem $leftItem left item |
|
23
|
|
|
* @param GraphItem $rightItem right item |
|
24
|
|
|
* @param string $type link type |
|
25
|
|
|
*/ |
|
26
|
|
|
public function __construct(GraphItem $leftItem, GraphItem $rightItem, string $type) |
|
27
|
|
|
{ |
|
28
|
|
|
$this->leftItem = $leftItem; |
|
29
|
|
|
$this->rightItem = $rightItem; |
|
30
|
|
|
$this->type = $type; |
|
31
|
|
|
} |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* Swaps left and right items |
|
35
|
|
|
* @param bool $clone need clone items |
|
36
|
|
|
* @return $this |
|
37
|
|
|
*/ |
|
38
|
|
|
public function swap(bool $clone = false): self |
|
39
|
|
|
{ |
|
40
|
|
|
$lhs = $clone ? clone $this->leftItem : $this->leftItem; |
|
41
|
|
|
$rhs = $clone ? clone $this->rightItem : $this->rightItem; |
|
42
|
|
|
|
|
43
|
|
|
$this->leftItem = $rhs; |
|
44
|
|
|
$this->rightItem = $lhs; |
|
45
|
|
|
|
|
46
|
|
|
return $this; |
|
47
|
|
|
} |
|
48
|
|
|
|
|
49
|
|
|
/** |
|
50
|
|
|
* @return GraphItem |
|
51
|
|
|
*/ |
|
52
|
|
|
public function getLeftItem(): GraphItem |
|
53
|
|
|
{ |
|
54
|
|
|
return $this->leftItem; |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* @return GraphItem |
|
59
|
|
|
*/ |
|
60
|
|
|
public function getRightItem(): GraphItem |
|
61
|
|
|
{ |
|
62
|
|
|
return $this->rightItem; |
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
|
|
/** |
|
66
|
|
|
* @return string |
|
67
|
|
|
*/ |
|
68
|
|
|
public function getType(): string |
|
69
|
|
|
{ |
|
70
|
|
|
return $this->type; |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
/** |
|
74
|
|
|
* Clones items |
|
75
|
|
|
* @return $this |
|
76
|
|
|
*/ |
|
77
|
|
|
public function cloneItems(): self |
|
78
|
|
|
{ |
|
79
|
|
|
$this->leftItem = clone $this->leftItem; |
|
80
|
|
|
$this->rightItem = clone $this->rightItem; |
|
81
|
|
|
|
|
82
|
|
|
return $this; |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
/** |
|
86
|
|
|
* @return string |
|
87
|
|
|
*/ |
|
88
|
|
|
public function getId(): string |
|
89
|
|
|
{ |
|
90
|
|
|
return "{$this->leftItem->getId()}_{$this->rightItem->getId()}"; |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
/** |
|
94
|
|
|
* Representates as array |
|
95
|
|
|
* @param bool $itemIdsOnly |
|
96
|
|
|
* @return array |
|
97
|
|
|
*/ |
|
98
|
|
|
public function toArray(bool $itemIdsOnly = false): array |
|
99
|
|
|
{ |
|
100
|
|
|
if($itemIdsOnly) { |
|
101
|
|
|
return [$this->leftItem->getId(), $this->rightItem->getId(), $this->type]; |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
return [$this->leftItem->toArray(), $this->rightItem->toArray(), $this->type]; |
|
105
|
|
|
} |
|
106
|
|
|
} |
|
107
|
|
|
|
Smoren /
containers-php
