|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Graphp\Edge\Specifics; |
|
4
|
|
|
|
|
5
|
|
|
use BadMethodCallException; |
|
6
|
|
|
use Graphp\GraphInterface; |
|
7
|
|
|
use Graphp\Edge\EdgeInterface; |
|
8
|
|
|
use Graphp\Edge\EdgeSet; |
|
9
|
|
|
use Graphp\Vertex\VertexInterface; |
|
10
|
|
|
|
|
11
|
|
|
/** |
|
12
|
|
|
* Class UniformEdgeSpecifics |
|
13
|
|
|
* |
|
14
|
|
|
* @package Graphp\Edge\Specifics |
|
15
|
|
|
*/ |
|
16
|
|
|
class UniformEdgeSpecifics implements EdgeSpecificsInterface |
|
17
|
|
|
{ |
|
18
|
|
|
/** |
|
19
|
|
|
* The edge set |
|
20
|
|
|
* |
|
21
|
|
|
* @var EdgeSet |
|
22
|
|
|
*/ |
|
23
|
|
|
protected $edgeSet; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* Construct a new specifics |
|
27
|
|
|
*/ |
|
28
|
43 |
|
public function __construct() |
|
29
|
|
|
{ |
|
30
|
43 |
|
$this->edgeSet = new EdgeSet(); |
|
31
|
43 |
|
} |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* Check if the edge exists |
|
35
|
|
|
* |
|
36
|
|
|
* @param EdgeInterface $edge - the edge |
|
37
|
|
|
* |
|
38
|
|
|
* @return bool |
|
39
|
|
|
*/ |
|
40
|
31 |
|
public function containsEdge(EdgeInterface $edge): bool |
|
41
|
|
|
{ |
|
42
|
31 |
|
return $this->edgeSet->contains($edge); |
|
43
|
|
|
} |
|
44
|
|
|
|
|
45
|
|
|
/** |
|
46
|
|
|
* Get the edge set |
|
47
|
|
|
* |
|
48
|
|
|
* @return EdgeSet |
|
49
|
|
|
*/ |
|
50
|
12 |
|
public function getEdgeSet(): EdgeSet |
|
51
|
|
|
{ |
|
52
|
12 |
|
return $this->edgeSet; |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
|
|
/** |
|
56
|
|
|
* Remove the edge from the set |
|
57
|
|
|
* |
|
58
|
|
|
* @param EdgeInterface $edge - the edge |
|
59
|
|
|
*/ |
|
60
|
3 |
|
public function remove(EdgeInterface $edge): void |
|
61
|
|
|
{ |
|
62
|
3 |
|
if ($this->edgeSet->contains($edge)) { |
|
63
|
3 |
|
$this->edgeSet->remove($edge); |
|
64
|
|
|
} |
|
65
|
3 |
|
} |
|
66
|
|
|
|
|
67
|
|
|
/** |
|
68
|
|
|
* Get the edge source vertex |
|
69
|
|
|
* |
|
70
|
|
|
* @param EdgeInterface $edge - the edge |
|
71
|
|
|
* |
|
72
|
|
|
* @return VertexInterface |
|
73
|
|
|
*/ |
|
74
|
30 |
|
public function getEdgeSource(EdgeInterface $edge): VertexInterface |
|
75
|
|
|
{ |
|
76
|
30 |
|
return $edge->getSource(); |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
|
|
/** |
|
80
|
|
|
* Get the edge target vertex |
|
81
|
|
|
* |
|
82
|
|
|
* @param EdgeInterface $edge - the edge |
|
83
|
|
|
* |
|
84
|
|
|
* @return VertexInterface |
|
85
|
|
|
*/ |
|
86
|
30 |
|
public function getEdgeTarget(EdgeInterface $edge): VertexInterface |
|
87
|
|
|
{ |
|
88
|
30 |
|
return $edge->getTarget(); |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
/** |
|
92
|
|
|
* Get the edge weight |
|
93
|
|
|
* |
|
94
|
|
|
* @param EdgeInterface $edge - the edge |
|
95
|
|
|
* |
|
96
|
|
|
* @return null|float |
|
97
|
|
|
*/ |
|
98
|
1 |
|
public function getEdgeWeight(EdgeInterface $edge): ?float |
|
99
|
|
|
{ |
|
100
|
1 |
|
return GraphInterface::DEFAULT_EDGE_WEIGHT; |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* Set the edge weight |
|
105
|
|
|
* |
|
106
|
|
|
* @param EdgeInterface $edge - the edge |
|
107
|
|
|
* @param float $weight - the weight |
|
108
|
|
|
* |
|
109
|
|
|
* @throws BadMethodCallException |
|
110
|
|
|
*/ |
|
111
|
1 |
|
public function setEdgeWeight(EdgeInterface $edge, ?float $weight = null): void |
|
112
|
|
|
{ |
|
113
|
1 |
|
throw new BadMethodCallException("Method is not supported by this type of edge"); |
|
114
|
|
|
} |
|
115
|
|
|
|
|
116
|
|
|
/** |
|
117
|
|
|
* Get the edge |
|
118
|
|
|
* |
|
119
|
|
|
* @param EdgeInterface $edge - the edge |
|
120
|
|
|
* |
|
121
|
|
|
* @return null|EdgeInterface |
|
122
|
|
|
*/ |
|
123
|
1 |
|
public function getEdge(EdgeInterface $edge): ?EdgeInterface |
|
124
|
|
|
{ |
|
125
|
1 |
|
if (($id = array_search($edge, $this->edgeSet->getArrayCopy())) !== false) { |
|
126
|
1 |
|
return $this->edgeSet[$id]; |
|
127
|
|
|
} |
|
128
|
1 |
|
return null; |
|
129
|
|
|
} |
|
130
|
|
|
|
|
131
|
|
|
/** |
|
132
|
|
|
* Add a new edge connecting the specified vertices |
|
133
|
|
|
* Return true, if edge was added |
|
134
|
|
|
* |
|
135
|
|
|
* @param EdgeInterface $edge - the edge |
|
136
|
|
|
* @param VertexInterface $sourceVertex - the source vertex |
|
137
|
|
|
* @param VertexInterface $sourceVertex - tge target vertex |
|
138
|
|
|
* |
|
139
|
|
|
* @return bool |
|
140
|
|
|
*/ |
|
141
|
31 |
|
public function add(EdgeInterface $edge, VertexInterface $sourceVertex, VertexInterface $targetVertex): bool |
|
142
|
|
|
{ |
|
143
|
31 |
|
$edge->setSource($sourceVertex); |
|
144
|
31 |
|
$edge->setTarget($targetVertex); |
|
145
|
|
|
|
|
146
|
31 |
|
if (!$this->containsEdge($edge)) { |
|
147
|
31 |
|
$this->edgeSet[] = $edge; |
|
148
|
31 |
|
return true; |
|
149
|
|
|
} |
|
150
|
|
|
|
|
151
|
1 |
|
return false; |
|
152
|
|
|
} |
|
153
|
|
|
} |
|
154
|
|
|
|
bingo-soft /
graphp
