DefaultGraphType::pseudograph() - Code Metrics - Inspection of "feat: implement basic graph classes and tests" - bingo-soft/graphp - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( fc7d53...d31b6a )

by Bingo

created 2019-11-11 18:22 UTC

DefaultGraphType::pseudograph() A

↳ Parent: DefaultGraphType

Complexity

Conditions	1
Paths	1

Size

Total Lines	8
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	1

Metric	Value
eloc	6
c	1
b	0
f	1
dl	0
loc	8
ccs	0
cts	7
cp	0
rs	10
cc	1
nc	1
nop	0
crap	2

<?php

namespace graphp\graph;

/**
 * class DefaultGraphType
 *
 * @package graphp\graph
 */
class DefaultGraphType implements GraphTypeInterface
{
    private $directed;
    private $undirected;
    private $selfLoops;
    private $multipleEdges;
    private $weighted;
    private $allowsCycles;
    private $modifiable;

    /**
     * Construct a default graph type
     */
    public function __construct(
        bool $directed,
        bool $undirected,
        bool $selfLoops,
        bool $multipleEdges,
        bool $weighted,
        bool $allowsCycles,
        bool $modifiable
    ) {
        $this->directed = $directed;
        $this->undirected = $undirected;
        $this->selfLoops = $selfLoops;
        $this->multipleEdges = $multipleEdges;
        $this->weighted = $weighted;
        $this->allowsCycles = $allowsCycles;
        $this->modifiable = $modifiable;
    }

    /**
     * Check if all edges of the graph are directed
     *
     * @return bool
     */
    public function isDirected(): bool
    {
        return $this->directed && !$this->undirected;
    }

    /**
     * Check if all edges of the graph are undirected
     *
     * @return bool
     */
    public function isUndirected(): bool
    {
        return $this->undirected && !$this->directed;
    }

    /**
     * Check if the graph contains both directed and undirected edges
     *
     * @return bool
     */
    public function isMixed(): bool
    {
        return $this->undirected && $this->directed;
    }

    /**
     * Check if multiple edges are allowed in the graph
     *
     * @return bool
     */
    public function isAllowingMultipleEdges(): bool
    {
        return $this->multipleEdges;
    }

    /**
     * Check if cycles are allowed in the graph
     *
     * @return bool
     */
    public function isAllowingCycles(): bool
    {
        return $this->allowsCycles;
    }

    /**
     * Check if self-loops are allowed in the graph
     *
     * @return bool
     */
    public function isAllowingSelfLoops(): bool
    {
        return $this->selfLoops;
    }

    /**
     * Check if weighted edges are allowed in the graph
     *
     * @return bool
     */
    public function isWeighted(): bool
    {
        return $this->weighted;
    }

    /**
     * Check if the graph is simple
     *
     * @return bool
     */
    public function isSimple(): bool
    {
        return !$this->isAllowingMultipleEdges() && !$this->isAllowingSelfLoops();
    }

    /**
     * Check if the graph is multigraph
     *
     * @return bool
     */
    public function isMultigraph(): bool
    {
        return $this->isAllowingMultipleEdges() && !$this->isAllowingSelfLoops();
    }

    /**
     * Check if the graph is modifiable
     *
     * @return bool
     */
    public function isModifiable(): bool
    {
        return $this->modifiable;
    }

    /**
     * Create a directed variant of the current graph type.
     *
     * @return GraphTypeInterface
     */
    public function asDirected(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder($this);
        return $builder->directed()->build();
    }

    /**
     * Create an undirected variant of the current graph type.
     *
     * @return GraphTypeInterface
     */
    public function asUndirected(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder($this);
        return $builder->undirected()->build();
    }

    /**
     * Create a mixed variant of the current graph type.
     *
     * @return GraphTypeInterface
     */
    public function asMixed(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder($this);
        return $builder->mixed()->build();
    }

    /**
     * Create a weighted variant of the current graph type.
     *
     * @return GraphTypeInterface
     */
    public function asWeighted(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder($this);
        return $builder->weighted(true)->build();
    }

    /**
     * Create an unweighted variant of the current graph type.
     *
     * @return GraphTypeInterface
     */
    public function asUnweighted(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder($this);
        return $builder->weighted(false)->build();
    }

    /**
     * Create a modifiable variant of the current graph type.
     *
     * @return GraphTypeInterface
     */
    public function asModifiable(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder($this);
        return $builder->modifiable(true)->build();
    }

    /**
     * Create an unmodifiable variant of the current graph type.
     *
     * @return GraphTypeInterface
     */
    public function asUnmodifiable(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder($this);
        return $builder->modifiable(false)->build();
    }

    /**
     * Create a simple graph.
     *
     * @return GraphTypeInterface
     */
    public static function simple(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder();
        return $builder->undirected()
            ->allowSelfLoops(false)
            ->allowMultipleEdges(false)
            ->weighted(false)
            ->build();
    }

    /**
     * Create a multigraph.
     *
     * @return GraphTypeInterface
     */
    public static function multigraph(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder();
        return $builder->undirected()
            ->allowSelfLoops(false)
            ->allowMultipleEdges(true)
            ->weighted(false)
            ->build();
    }

    /**
     * Create a pseudograph.
     *
     * @return GraphTypeInterface
     */
    public static function pseudograph(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder();
        return $builder->undirected()
            ->allowSelfLoops(true)
            ->allowMultipleEdges(true)
            ->weighted(false)
            ->build();
    }

    /**
     * Create a directed simple graph.
     *
     * @return GraphTypeInterface
     */
    public static function directedSimple(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder();
        return $builder->directed()
            ->allowSelfLoops(false)
            ->allowMultipleEdges(true)
            ->weighted(false)
            ->build();
    }

    /**
     * Create a directed multigraph.
     *
     * @return GraphTypeInterface
     */
    public static function directedMultigraph(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder();
        return $builder->directed()
            ->allowSelfLoops(false)
            ->allowMultipleEdges(true)
            ->weighted(false)
            ->build();
    }

    /**
     * Create a directed pseudograph.
     *
     * @return GraphTypeInterface
     */
    public static function directedPseudograph(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder();
        return $builder->directed()
            ->allowSelfLoops(true)
            ->allowMultipleEdges(true)
            ->weighted(false)
            ->build();
    }

    /**
     * Create a mixed graph.
     *
     * @return GraphTypeInterface
     */
    public static function mixed(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder();
        return $builder->mixed()
            ->allowSelfLoops(true)
            ->allowMultipleEdges(true)
            ->weighted(false)
            ->build();
    }

    /**
     * Create a directed acyclic graph.
     *
     * @return GraphTypeInterface
     */
    public static function dag(): GraphTypeInterface
    {
        $builder = new GraphTypeBuilder();
        return $builder->directed()
            ->allowSelfLoops(false)
            ->allowMultipleEdges(true)
            ->allowCycles(false)
            ->weighted(false)
            ->build();
    }

    /**
     * Get the graph type string representation
     *
     * @return string
     */
    public function __toString(): string
    {
        return "DefaultGraphType [directed=" . $this->directed . ", undirected=" . $this->undirected
        . ", self-loops=" . $this->selfLoops . ", multiple-edges=" . $this->multipleEdges . ", weighted="
        . $this->weighted . ", allows-cycles=" . $this->allowsCycles . ", modifiable=" . $this->modifiable . "]";
    }
}


1		<?php
2
3		namespace graphp\graph;
4
5		/**
6		* class DefaultGraphType
7		*
8		* @package graphp\graph
9		*/
10		class DefaultGraphType implements GraphTypeInterface
11		{
12		private $directed;
13		private $undirected;
14		private $selfLoops;
15		private $multipleEdges;
16		private $weighted;
17		private $allowsCycles;
18		private $modifiable;
19
20		/**
21		* Construct a default graph type
22		*/
23	4	public function __construct(
24		bool $directed,
25		bool $undirected,
26		bool $selfLoops,
27		bool $multipleEdges,
28		bool $weighted,
29		bool $allowsCycles,
30		bool $modifiable
31		) {
32	4	$this->directed = $directed;
33	4	$this->undirected = $undirected;
34	4	$this->selfLoops = $selfLoops;
35	4	$this->multipleEdges = $multipleEdges;
36	4	$this->weighted = $weighted;
37	4	$this->allowsCycles = $allowsCycles;
38	4	$this->modifiable = $modifiable;
39	4	}
40
41		/**
42		* Check if all edges of the graph are directed
43		*
44		* @return bool
45		*/
46	4	public function isDirected(): bool
47		{
48	4	return $this->directed && !$this->undirected;
49		}
50
51		/**
52		* Check if all edges of the graph are undirected
53		*
54		* @return bool
55		*/
56		public function isUndirected(): bool
57		{
58		return $this->undirected && !$this->directed;
59		}
60
61		/**
62		* Check if the graph contains both directed and undirected edges
63		*
64		* @return bool
65		*/
66		public function isMixed(): bool
67		{
68		return $this->undirected && $this->directed;
69		}
70
71		/**
72		* Check if multiple edges are allowed in the graph
73		*
74		* @return bool
75		*/
76	1	public function isAllowingMultipleEdges(): bool
77		{
78	1	return $this->multipleEdges;
79		}
80
81		/**
82		* Check if cycles are allowed in the graph
83		*
84		* @return bool
85		*/
86		public function isAllowingCycles(): bool
87		{
88		return $this->allowsCycles;
89		}
90
91		/**
92		* Check if self-loops are allowed in the graph
93		*
94		* @return bool
95		*/
96	1	public function isAllowingSelfLoops(): bool
97		{
98	1	return $this->selfLoops;
99		}
100
101		/**
102		* Check if weighted edges are allowed in the graph
103		*
104		* @return bool
105		*/
106	4	public function isWeighted(): bool
107		{
108	4	return $this->weighted;
109		}
110
111		/**
112		* Check if the graph is simple
113		*
114		* @return bool
115		*/
116		public function isSimple(): bool
117		{
118		return !$this->isAllowingMultipleEdges() && !$this->isAllowingSelfLoops();
119		}
120
121		/**
122		* Check if the graph is multigraph
123		*
124		* @return bool
125		*/
126		public function isMultigraph(): bool
127		{
128		return $this->isAllowingMultipleEdges() && !$this->isAllowingSelfLoops();
129		}
130
131		/**
132		* Check if the graph is modifiable
133		*
134		* @return bool
135		*/
136		public function isModifiable(): bool
137		{
138		return $this->modifiable;
139		}
140
141		/**
142		* Create a directed variant of the current graph type.
143		*
144		* @return GraphTypeInterface
145		*/
146		public function asDirected(): GraphTypeInterface
147		{
148		$builder = new GraphTypeBuilder($this);
149		return $builder->directed()->build();
150		}
151
152		/**
153		* Create an undirected variant of the current graph type.
154		*
155		* @return GraphTypeInterface
156		*/
157		public function asUndirected(): GraphTypeInterface
158		{
159		$builder = new GraphTypeBuilder($this);
160		return $builder->undirected()->build();
161		}
162
163		/**
164		* Create a mixed variant of the current graph type.
165		*
166		* @return GraphTypeInterface
167		*/
168		public function asMixed(): GraphTypeInterface
169		{
170		$builder = new GraphTypeBuilder($this);
171		return $builder->mixed()->build();
172		}
173
174		/**
175		* Create a weighted variant of the current graph type.
176		*
177		* @return GraphTypeInterface
178		*/
179		public function asWeighted(): GraphTypeInterface
180		{
181		$builder = new GraphTypeBuilder($this);
182		return $builder->weighted(true)->build();
183		}
184
185		/**
186		* Create an unweighted variant of the current graph type.
187		*
188		* @return GraphTypeInterface
189		*/
190		public function asUnweighted(): GraphTypeInterface
191		{
192		$builder = new GraphTypeBuilder($this);
193		return $builder->weighted(false)->build();
194		}
195
196		/**
197		* Create a modifiable variant of the current graph type.
198		*
199		* @return GraphTypeInterface
200		*/
201		public function asModifiable(): GraphTypeInterface
202		{
203		$builder = new GraphTypeBuilder($this);
204		return $builder->modifiable(true)->build();
205		}
206
207		/**
208		* Create an unmodifiable variant of the current graph type.
209		*
210		* @return GraphTypeInterface
211		*/
212		public function asUnmodifiable(): GraphTypeInterface
213		{
214		$builder = new GraphTypeBuilder($this);
215		return $builder->modifiable(false)->build();
216		}
217
218		/**
219		* Create a simple graph.
220		*
221		* @return GraphTypeInterface
222		*/
223		public static function simple(): GraphTypeInterface
224		{
225		$builder = new GraphTypeBuilder();
226		return $builder->undirected()
227		->allowSelfLoops(false)
228		->allowMultipleEdges(false)
229		->weighted(false)
230		->build();
231		}
232
233		/**
234		* Create a multigraph.
235		*
236		* @return GraphTypeInterface
237		*/
238		public static function multigraph(): GraphTypeInterface
239		{
240		$builder = new GraphTypeBuilder();
241		return $builder->undirected()
242		->allowSelfLoops(false)
243		->allowMultipleEdges(true)
244		->weighted(false)
245		->build();
246		}
247
248		/**
249		* Create a pseudograph.
250		*
251		* @return GraphTypeInterface
252		*/
253		public static function pseudograph(): GraphTypeInterface
254		{
255		$builder = new GraphTypeBuilder();
256		return $builder->undirected()
257		->allowSelfLoops(true)
258		->allowMultipleEdges(true)
259		->weighted(false)
260		->build();
261		}
262
263		/**
264		* Create a directed simple graph.
265		*
266		* @return GraphTypeInterface
267		*/
268		public static function directedSimple(): GraphTypeInterface
269		{
270		$builder = new GraphTypeBuilder();
271		return $builder->directed()
272		->allowSelfLoops(false)
273		->allowMultipleEdges(true)
274		->weighted(false)
275		->build();
276		}
277
278		/**
279		* Create a directed multigraph.
280		*
281		* @return GraphTypeInterface
282		*/
283		public static function directedMultigraph(): GraphTypeInterface
284		{
285		$builder = new GraphTypeBuilder();
286		return $builder->directed()
287		->allowSelfLoops(false)
288		->allowMultipleEdges(true)
289		->weighted(false)
290		->build();
291		}
292
293		/**
294		* Create a directed pseudograph.
295		*
296		* @return GraphTypeInterface
297		*/
298		public static function directedPseudograph(): GraphTypeInterface
299		{
300		$builder = new GraphTypeBuilder();
301		return $builder->directed()
302		->allowSelfLoops(true)
303		->allowMultipleEdges(true)
304		->weighted(false)
305		->build();
306		}
307
308		/**
309		* Create a mixed graph.
310		*
311		* @return GraphTypeInterface
312		*/
313		public static function mixed(): GraphTypeInterface
314		{
315		$builder = new GraphTypeBuilder();
316		return $builder->mixed()
317		->allowSelfLoops(true)
318		->allowMultipleEdges(true)
319		->weighted(false)
320		->build();
321		}
322
323		/**
324		* Create a directed acyclic graph.
325		*
326		* @return GraphTypeInterface
327		*/
328		public static function dag(): GraphTypeInterface
329		{
330		$builder = new GraphTypeBuilder();
331		return $builder->directed()
332		->allowSelfLoops(false)
333		->allowMultipleEdges(true)
334		->allowCycles(false)
335		->weighted(false)
336		->build();
337		}
338
339		/**
340		* Get the graph type string representation
341		*
342		* @return string
343		*/
344		public function __toString(): string
345		{
346		return "DefaultGraphType [directed=" . $this->directed . ", undirected=" . $this->undirected
347		. ", self-loops=" . $this->selfLoops . ", multiple-edges=" . $this->multipleEdges . ", weighted="
348		. $this->weighted . ", allows-cycles=" . $this->allowsCycles . ", modifiable=" . $this->modifiable . "]";
349		}
350		}
351

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DefaultGraphType::pseudograph() A

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