IntervalGraph::extractDiscreteValues() - Code Metrics - Inspection of "Separate concerns" - vctls/php-interval-graph - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 9aadcc...35c30e )

by Victor

created 2019-10-17 13:51 UTC

IntervalGraph::extractDiscreteValues() A

↳ Parent: IntervalGraph::computeNumericValues()

Complexity

Conditions	1
Paths	1

Size

Total Lines	9
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	4
nc	1
nop	1
dl	0
loc	9
rs	10
c	0
b	0
f	0

<?php

namespace Vctls\IntervalGraph;

use Closure;
use DateTime;
use Exception;
use InvalidArgumentException;
use JsonSerializable;

/**
 * A class to manipulate and display arrays of weighted intervals.
 *
 * @package Vctls\IntervalGraph
 */
class IntervalGraph implements JsonSerializable
{

    /** @var array Initial intervals */
    protected $intervals;

    /** @var array Processed values */
    protected $values;

    /** @var string Path to the template used for rendering. */
    protected $template = 'template.php';

    /** @var Closure Return a numeric value from the inital bound value. */
    protected $boundToNumeric;

    /** @var Closure Return a string from the initial bound value. */
    protected $boundToString;

    /** @var Closure Return a numeric value from an initial interval value. */
    protected $valueToNumeric;

    /** @var Closure Return a string value from an initial interval value. */
    protected $valueToString;

    /** @var Palette */
    protected $palette;

    /** @var Flattener */
    private $flattener;

    /** @var Aggregator */
    private $aggregator;

    /**
     * Create an IntervalGraph from intervals carrying values.
     *
     * @param array[] $intervals An array of intervals,
     * with a low bound, high bound and a value.
     */
    public function __construct($intervals = null)
    {
        if (isset($intervals)) {
            $this->setIntervals($intervals);
        }

        $this->boundToNumeric = static function (DateTime $bound) {
            return $bound->getTimestamp();
        };

        $this->boundToString = static function (DateTime $bound) {
            return $bound->format('Y-m-d');
        };

        $this->valueToNumeric = static function ($v) {
            return $v === null ? null : (int)($v * 100);
        };

        $this->valueToString = static function ($v) {
            return $v === null ? null : ($v * 100 . '%');
        };

        $this->aggregator = new Aggregator();
        $this->flattener = new Flattener();
        $this->palette = new Palette();
    }

    /**
     * @return Flattener
     */
    public function getFlattener(): Flattener
    {
        return $this->flattener;
    }

    /**
     * @param Flattener $flattener
     * @return IntervalGraph
     */
    public function setFlattener(Flattener $flattener): IntervalGraph
    {
        $this->flattener = $flattener;
        return $this;
    }

    /**
     * Check that an array of intervals is correctly formatted.
     *
     * The first element must be the low bound.
     *
     * The second element must be the high bound.
     *
     * The third element must be the value.
     *
     * Inverted end and low bounds will be put back in chronological order.
     *
     * @return $this
     */
    public function checkIntervals(): self
    {

        foreach ($this->intervals as $intervalKey => $interval) {

            // Check that the interval is an array.
            if (!is_array($interval)) {
                $t = gettype($interval);
                throw new InvalidArgumentException(
                    "Each element of the '\$intervals' array should be an array, $t given."
                );
            }

            // Check that the bounds and value of the interval can be converted to both a numeric
            // and string value with the given closures.
            foreach ([['Lower bound', 'bound'], ['Higher bound', 'bound'], ['Value', 'value']] as $index => $property) {

                // Skip value property of valueless intervals.
                if ($property[1] === 'value' && !isset($interval[$index])) {
                    continue;
                }

                foreach (['numeric', 'string'] as $expectedType) {

                    $expectedTypeTitle = ucfirst($expectedType);

                    try {
                        $value = ($this->{"$property[1]To$expectedTypeTitle"})($interval[$index]);
                    } catch (Exception $exception) {
                        // FIXME Handle Type errors?
                        throw new PropertyConversionException(
                            "$property[0] of interval $intervalKey cannot be converted to a $expectedType value " .
                            "with the given '$property[1]To$expectedTypeTitle' function. Error : " .
                            $exception->getMessage()
                        );
                    }

                    $actualType = gettype($value);

                    if (!call_user_func("is_$expectedType", $value)) {
                        throw new PropertyConversionException(
                            "$property[0] of interval $intervalKey is not converted to a $expectedType value " .
                            "by the given '$property[1]To$expectedTypeTitle' function. Returned type : $actualType"
                        );
                    }
                }
            }

            // Ensure start and high bounds are in the right order.
            if ($interval[0] > $interval [1]) {
                $a = $interval[0];
                $intervals[$intervalKey][0] = $interval[1];
                $intervals[$intervalKey][1] = $a;
            }
        }

        // TODO Check that the values can be aggregated with the given closure.

        return $this;
    }

    /**
     * Render an HTML view of the intervalGraph.
     *
     * @return string
     */
    public function __toString()
    {
        try {
            $html = $this->draw();
        } catch (Exception $e) {
            $html = 'Error : ' . $e->getMessage();
        }
        return $html;
    }

    /**
     * Render an HTML view of the intervalGraph.
     *
     * @return string
     */
    public function draw(): string
    {
        if (!isset($this->values)) {
            $this->createView();
        }

        /** @noinspection PhpUnusedLocalVariableInspection */
        $vs = $this->values;
        ob_start();
        /** @noinspection PhpIncludeInspection */
        include $this->template;

        // Remove all surplus whitespace.
        return preg_replace(
            ['/(?<=>)\s+/', '/\s+(?=<)/', '/\s+/'], ['', '', ' '],
            ob_get_clean()
        );
    }

    /**
     * Process intervals and store processed values.
     *
     * @return IntervalGraph
     */
    public function createView(): IntervalGraph
    {
        $flatIntervals = $this->flattener->flatten($this->intervals);
        $flatIntervals = $this->aggregator->aggregate($flatIntervals, $this->intervals);

        // Extract values.
        $originalValues = array_column($flatIntervals, 2);

        $numVals = [];

        // Change bounds to numeric values.
        foreach ($flatIntervals as $interval) {
            $numVals[] = [
                ($this->boundToNumeric)($interval[0]),
                ($this->boundToNumeric)($interval[1]),
            ];
        }

        // Order by low bound.
        uasort($numVals, static function (array $i1, array $i2) {
            return ($i1[0] < $i2[0]) ? -1 : 1;
        });

        // Get the min bound value.
        $min = reset($numVals)[0];

        // Substract min from all bound values.
        foreach ($numVals as $key => $numVal) {
            $numVals[$key] = [
                $numVal[0] - $min,
                $numVal[1] - $min
            ];
        }

        // Order by high bound.
        uasort($numVals, static function (array $i1, array $i2) {
            return ($i1[1] < $i2[1]) ? -1 : 1;
        });

        // Get max timestamp.
        $max = end($numVals)[1];

        // Calculate percentages.
        foreach ($numVals as $i => $numVal) {
            foreach ($numVal as $j => $value) {
                $numVal[$j] = $max === 0 ? 0 : round($value * 100 / $max, 2);
            }
            $numVals[$i] = $numVal;
        }

        // Put values back in, along with the formatted bound.
        // Since we're using associative sorting functions, we know the keys haven't changed.
        $numKeys = array_keys($numVals);
        foreach ($numKeys as $numKey) {

            [$lowBound, $highBound] = $flatIntervals[$numKey];
            [$startPercent, $endPercent] = $numVals[$numKey];

            if ($lowBound === $highBound) {

                $numVals[$numKey] = [
                    $startPercent, // Single value position percentage
                    ($this->boundToString)($lowBound), // Single value string
                ];

            } else {

                $colval = isset($originalValues[$numKey]) ? ($this->valueToNumeric)($originalValues[$numKey]) : null;
                $strval = isset($originalValues[$numKey]) ? ($this->valueToString)($originalValues[$numKey]) : null;

                $numVals[$numKey] = [
                    $startPercent, // Interval start percentage
                    100 - $endPercent, // Interval end percentage from right
                    // Note: for some reason, using 'widht' instead of 'right'
                    // causes the right border to be hidden underneath the next interval.
                    !empty($originalValues) ? $this->palette->getColor($colval) : 50, // Interval color
                    ($this->boundToString)($lowBound), // Interval start string value
                    ($this->boundToString)($highBound), // Interval end string value
                    !empty($originalValues) ? $strval : null,// Interval string value
                ];
            }
        }

        // Put discrete values at the end and reset indices.
        // Reseting indices ensures the processed values are
        // serialized as correctly ordered JSON arrays.
        usort($numVals, static function ($i) {
            return count($i) === 2 ? 1 : -1;
        });

        $this->values = $numVals;

        return $this;
    }

    /**
     * Compute the numeric values of interval bounds and values.
     *
     * @return array
     */
    public function computeNumericValues(): array
    {
        $intervals = $this->flattener->flatten($this->intervals);
        $intervals = $this->aggregator->aggregate($intervals, $this->intervals);

        // Extract interval values.
        $intervalValues = array_column($intervals, 2);

        // Convert bounds to numeric values.
        foreach ($intervals as $interval) {
            $numericIntervals[] = [
                ($this->boundToNumeric)($interval[0]),
                ($this->boundToNumeric)($interval[1]),
            ];
        }

        // Order by high bound.
        uasort($numericIntervals, static function (array $i1, array $i2) {
            return ($i1[1] < $i2[1]) ? -1 : 1;
        });


        // Put values back in, along with the formatted bound.
        // Since we're using associative sorting functions, we know the keys haven't changed.
        foreach (array_keys($numericIntervals) as $index => $numKey) {

            [$lowNumericBound, $highNumericBound] = $numericIntervals[$index];

            if ($lowNumericBound === $highNumericBound) {

                $numericIntervals[$index] = $lowNumericBound;

            } else {

                $numericIntervals[$index] = [
                    $lowNumericBound,
                    $highNumericBound,
                    $intervalValues[$index] ?: 0
                ];

            }
        }

        // Put discrete values at the end and reset indices.
        // Reseting indices ensures the processed values are
        // serialized as correctly ordered JSON arrays.
        usort($numericIntervals, static function ($i) {
            return !is_array($i) ? 1 : -1;
        });

        return $numericIntervals;
    }

    /**
     * Define the function to convert the interval values to a numeric value
     * in order to match them to a color on the palette.
     *
     * @param Closure $valueToNumeric
     * @return IntervalGraph
     */
    public function setValueToNumeric(Closure $valueToNumeric): IntervalGraph
    {
        $this->valueToNumeric = $valueToNumeric;
        return $this;
    }

    /**
     * Define the  function to convert the interval values to strings
     * in order to display them in the view.
     *
     * @param Closure $valueToString
     * @return IntervalGraph
     */
    public function setValueToString(Closure $valueToString): IntervalGraph
    {
        $this->valueToString = $valueToString;
        return $this;
    }

    /**
     * Set the function to convert interval bound values to string.
     *
     * @param Closure $boundToString
     * @return IntervalGraph
     */
    public function setBoundToString($boundToString): IntervalGraph
    {
        $this->boundToString = $boundToString;
        return $this;
    }

    /**
     * @return array
     */
    public function getIntervals(): array
    {
        return $this->intervals;
    }

    /**
     * Set the intervals to be processed.
     *
     * If another set of intervals was previously processed,
     * the processed values will be deleted.
     *
     * @param array $intervals
     * @return IntervalGraph
     */
    public function setIntervals(array $intervals): IntervalGraph
    {
        $this->intervals = $intervals;
        $this->values = null;
        return $this;
    }

    /**
     * @return array
     */
    public function getValues(): array
    {
        return $this->values;
    }

    /**
     * @return string
     */
    public function getTemplate(): string
    {
        return $this->template;
    }

    /**
     * Set the PHP template to use for rendering.
     *
     * @param string $template
     * @return IntervalGraph
     */
    public function setTemplate($template): IntervalGraph
    {
        $this->template = $template;
        return $this;
    }

    /**
     * @return Palette
     */
    public function getPalette(): Palette
    {
        return $this->palette;
    }

    /**
     * Set the Palette object to be used to determine colors.
     *
     * @param Palette $palette
     * @return IntervalGraph
     */
    public function setPalette($palette): IntervalGraph
    {
        $this->palette = $palette;
        return $this;
    }

    /**
     * @param Closure $boundToNumeric
     * @return IntervalGraph
     */
    public function setBoundToNumeric($boundToNumeric): IntervalGraph
    {
        $this->boundToNumeric = $boundToNumeric;
        return $this;
    }

    /**
     * Return the array of values to be serialized by json_encode.
     *
     * @return array
     */
    public function jsonSerialize(): array
    {
        if (!isset($this->values)) {
            $this->createView();
        }
        return $this->values;
    }

    /**
     * @return Aggregator
     */
    public function getAggregator(): Aggregator
    {
        return $this->aggregator;
    }

    /**
     * @param Aggregator $aggregator
     * @return IntervalGraph
     */
    public function setAggregator(Aggregator $aggregator): IntervalGraph
    {
        $this->aggregator = $aggregator;
        return $this;
    }

}


1			<?php
2
3			namespace Vctls\IntervalGraph;
4
5			use Closure;
6			use DateTime;
7			use Exception;
8			use InvalidArgumentException;
9			use JsonSerializable;
10
11			/**
12			* A class to manipulate and display arrays of weighted intervals.
13			*
14			* @package Vctls\IntervalGraph
15			*/
16			class IntervalGraph implements JsonSerializable
17			{
18
19			/** @var array Initial intervals */
20			protected $intervals;
21
22			/** @var array Processed values */
23			protected $values;
24
25			/** @var string Path to the template used for rendering. */
26			protected $template = 'template.php';
27
28			/** @var Closure Return a numeric value from the inital bound value. */
29			protected $boundToNumeric;
30
31			/** @var Closure Return a string from the initial bound value. */
32			protected $boundToString;
33
34			/** @var Closure Return a numeric value from an initial interval value. */
35			protected $valueToNumeric;
36
37			/** @var Closure Return a string value from an initial interval value. */
38			protected $valueToString;
39
40			/** @var Palette */
41			protected $palette;
42
43			/** @var Flattener */
44			private $flattener;
45
46			/** @var Aggregator */
47			private $aggregator;
48
49			/**
50			* Create an IntervalGraph from intervals carrying values.
51			*
52			* @param array[] $intervals An array of intervals,
53			* with a low bound, high bound and a value.
54			*/
55			public function __construct($intervals = null)
56			{
57			if (isset($intervals)) {
58			$this->setIntervals($intervals);
59			}
60
61			$this->boundToNumeric = static function (DateTime $bound) {
62			return $bound->getTimestamp();
63			};
64
65			$this->boundToString = static function (DateTime $bound) {
66			return $bound->format('Y-m-d');
67			};
68
69			$this->valueToNumeric = static function ($v) {
70			return $v === null ? null : (int)($v * 100);
71			};
72
73			$this->valueToString = static function ($v) {
74			return $v === null ? null : ($v * 100 . '%');
75			};
76
77			$this->aggregator = new Aggregator();
78			$this->flattener = new Flattener();
79			$this->palette = new Palette();
80			}
81
82			/**
83			* @return Flattener
84			*/
85			public function getFlattener(): Flattener
86			{
87			return $this->flattener;
88			}
89
90			/**
91			* @param Flattener $flattener
92			* @return IntervalGraph
93			*/
94			public function setFlattener(Flattener $flattener): IntervalGraph
95			{
96			$this->flattener = $flattener;
97			return $this;
98			}
99
100			/**
101			* Check that an array of intervals is correctly formatted.
102			*
103			* The first element must be the low bound.
104			*
105			* The second element must be the high bound.
106			*
107			* The third element must be the value.
108			*
109			* Inverted end and low bounds will be put back in chronological order.
110			*
111			* @return $this
112			*/
113			public function checkIntervals(): self
114			{
115
116			foreach ($this->intervals as $intervalKey => $interval) {
117
118			// Check that the interval is an array.
119			if (!is_array($interval)) {
120			$t = gettype($interval);
121			throw new InvalidArgumentException(
122			"Each element of the '\$intervals' array should be an array, $t given."
123			);
124			}
125
126			// Check that the bounds and value of the interval can be converted to both a numeric
127			// and string value with the given closures.
128			foreach ([['Lower bound', 'bound'], ['Higher bound', 'bound'], ['Value', 'value']] as $index => $property) {
129
130			// Skip value property of valueless intervals.
131			if ($property[1] === 'value' && !isset($interval[$index])) {
132			continue;
133			}
134
135			foreach (['numeric', 'string'] as $expectedType) {
136
137			$expectedTypeTitle = ucfirst($expectedType);
138
139			try {
140			$value = ($this->{"$property[1]To$expectedTypeTitle"})($interval[$index]);
141			} catch (Exception $exception) {
142			// FIXME Handle Type errors?
143			throw new PropertyConversionException(
144			"$property[0] of interval $intervalKey cannot be converted to a $expectedType value " .
145			"with the given '$property[1]To$expectedTypeTitle' function. Error : " .
146			$exception->getMessage()
147			);
148			}
149
150			$actualType = gettype($value);
151
152			if (!call_user_func("is_$expectedType", $value)) {
153			throw new PropertyConversionException(
154			"$property[0] of interval $intervalKey is not converted to a $expectedType value " .
155			"by the given '$property[1]To$expectedTypeTitle' function. Returned type : $actualType"
156			);
157			}
158			}
159			}
160
161			// Ensure start and high bounds are in the right order.
162			if ($interval[0] > $interval [1]) {
163			$a = $interval[0];
164			$intervals[$intervalKey][0] = $interval[1];
165			$intervals[$intervalKey][1] = $a;
166			}
167			}
168
169			// TODO Check that the values can be aggregated with the given closure.
170
171			return $this;
172			}
173
174			/**
175			* Render an HTML view of the intervalGraph.
176			*
177			* @return string
178			*/
179			public function __toString()
180			{
181			try {
182			$html = $this->draw();
183			} catch (Exception $e) {
184			$html = 'Error : ' . $e->getMessage();
185			}
186			return $html;
187			}
188
189			/**
190			* Render an HTML view of the intervalGraph.
191			*
192			* @return string
193			*/
194			public function draw(): string
195			{
196			if (!isset($this->values)) {
197			$this->createView();
198			}
199
200			/** @noinspection PhpUnusedLocalVariableInspection */
201			$vs = $this->values;
202			ob_start();
203			/** @noinspection PhpIncludeInspection */
204			include $this->template;
205
206			// Remove all surplus whitespace.
207			return preg_replace(
208			['/(?<=>)\s+/', '/\s+(?=<)/', '/\s+/'], ['', '', ' '],
209			ob_get_clean()
210			);
211			}
212
213			/**
214			* Process intervals and store processed values.
215			*
216			* @return IntervalGraph
217			*/
218			public function createView(): IntervalGraph
219			{
220			$flatIntervals = $this->flattener->flatten($this->intervals);
221			$flatIntervals = $this->aggregator->aggregate($flatIntervals, $this->intervals);
222
223			// Extract values.
224			$originalValues = array_column($flatIntervals, 2);
225
226			$numVals = [];
227
228			// Change bounds to numeric values.
229			foreach ($flatIntervals as $interval) {
230			$numVals[] = [
231			($this->boundToNumeric)($interval[0]),
232			($this->boundToNumeric)($interval[1]),
233			];
234			}
235
236			// Order by low bound.
237			uasort($numVals, static function (array $i1, array $i2) {
238			return ($i1[0] < $i2[0]) ? -1 : 1;
239			});
240
241			// Get the min bound value.
242			$min = reset($numVals)[0];
243
244			// Substract min from all bound values.
245			foreach ($numVals as $key => $numVal) {
246			$numVals[$key] = [
247			$numVal[0] - $min,
248			$numVal[1] - $min
249			];
250			}
251
252			// Order by high bound.
253			uasort($numVals, static function (array $i1, array $i2) {
254			return ($i1[1] < $i2[1]) ? -1 : 1;
255			});
256
257			// Get max timestamp.
258			$max = end($numVals)[1];
259
260			// Calculate percentages.
261			foreach ($numVals as $i => $numVal) {
262			foreach ($numVal as $j => $value) {
263			$numVal[$j] = $max === 0 ? 0 : round($value * 100 / $max, 2);
264			}
265			$numVals[$i] = $numVal;
266			}
267
268			// Put values back in, along with the formatted bound.
269			// Since we're using associative sorting functions, we know the keys haven't changed.
270			$numKeys = array_keys($numVals);
271			foreach ($numKeys as $numKey) {
272
273			[$lowBound, $highBound] = $flatIntervals[$numKey];
274			[$startPercent, $endPercent] = $numVals[$numKey];
275
276			if ($lowBound === $highBound) {
277
278			$numVals[$numKey] = [
279			$startPercent, // Single value position percentage
280			($this->boundToString)($lowBound), // Single value string
281			];
282
283			} else {
284
285			$colval = isset($originalValues[$numKey]) ? ($this->valueToNumeric)($originalValues[$numKey]) : null;
286			$strval = isset($originalValues[$numKey]) ? ($this->valueToString)($originalValues[$numKey]) : null;
287
288			$numVals[$numKey] = [
289			$startPercent, // Interval start percentage
290			100 - $endPercent, // Interval end percentage from right
291			// Note: for some reason, using 'widht' instead of 'right'
292			// causes the right border to be hidden underneath the next interval.
293			!empty($originalValues) ? $this->palette->getColor($colval) : 50, // Interval color
294			($this->boundToString)($lowBound), // Interval start string value
295			($this->boundToString)($highBound), // Interval end string value
296			!empty($originalValues) ? $strval : null,// Interval string value
297			];
298			}
299			}
300
301			// Put discrete values at the end and reset indices.
302			// Reseting indices ensures the processed values are
303			// serialized as correctly ordered JSON arrays.
304			usort($numVals, static function ($i) {
305			return count($i) === 2 ? 1 : -1;
306			});
307
308			$this->values = $numVals;
309
310			return $this;
311			}
312
313			/**
314			* Compute the numeric values of interval bounds and values.
315			*
316			* @return array
317			*/
318			public function computeNumericValues(): array
319			{
320			$intervals = $this->flattener->flatten($this->intervals);
321			$intervals = $this->aggregator->aggregate($intervals, $this->intervals);
322
323			// Extract interval values.
324			$intervalValues = array_column($intervals, 2);
325
326			// Convert bounds to numeric values.
327			foreach ($intervals as $interval) {
328			$numericIntervals[] = [
329			($this->boundToNumeric)($interval[0]),
330			($this->boundToNumeric)($interval[1]),
331			];
332			}
333
334			// Order by high bound.
335			uasort($numericIntervals, static function (array $i1, array $i2) {
336			return ($i1[1] < $i2[1]) ? -1 : 1;
337			});
338
339
340			// Put values back in, along with the formatted bound.
341			// Since we're using associative sorting functions, we know the keys haven't changed.
342			foreach (array_keys($numericIntervals) as $index => $numKey) {
343
344			[$lowNumericBound, $highNumericBound] = $numericIntervals[$index];
345
346			if ($lowNumericBound === $highNumericBound) {
347
348			$numericIntervals[$index] = $lowNumericBound;
349
350			} else {
351
352			$numericIntervals[$index] = [
353			$lowNumericBound,
354			$highNumericBound,
355			$intervalValues[$index] ?: 0
356			];
357
358			}
359			}
360
361			// Put discrete values at the end and reset indices.
362			// Reseting indices ensures the processed values are
363			// serialized as correctly ordered JSON arrays.
364			usort($numericIntervals, static function ($i) {
365			return !is_array($i) ? 1 : -1;
366			});
367
368			return $numericIntervals;
369			}
370
371			/**
372			* Define the function to convert the interval values to a numeric value
373			* in order to match them to a color on the palette.
374			*
375			* @param Closure $valueToNumeric
376			* @return IntervalGraph
377			*/
378			public function setValueToNumeric(Closure $valueToNumeric): IntervalGraph
379			{
380			$this->valueToNumeric = $valueToNumeric;
381			return $this;
382			}
383
384			/**
385			* Define the function to convert the interval values to strings
386			* in order to display them in the view.
387			*
388			* @param Closure $valueToString
389			* @return IntervalGraph
390			*/
391			public function setValueToString(Closure $valueToString): IntervalGraph
392			{
393			$this->valueToString = $valueToString;
394			return $this;
395			}
396
397			/**
398			* Set the function to convert interval bound values to string.
399			*
400			* @param Closure $boundToString
401			* @return IntervalGraph
402			*/
403			public function setBoundToString($boundToString): IntervalGraph
404			{
405			$this->boundToString = $boundToString;
406			return $this;
407			}
408
409			/**
410			* @return array
411			*/
412			public function getIntervals(): array
413			{
414			return $this->intervals;
415			}
416
417			/**
418			* Set the intervals to be processed.
419			*
420			* If another set of intervals was previously processed,
421			* the processed values will be deleted.
422			*
423			* @param array $intervals
424			* @return IntervalGraph
425			*/
426			public function setIntervals(array $intervals): IntervalGraph
427			{
428			$this->intervals = $intervals;
429			$this->values = null;
430			return $this;
431			}
432
433			/**
434			* @return array
435			*/
436			public function getValues(): array
437			{
438			return $this->values;
439			}
440
441			/**
442			* @return string
443			*/
444			public function getTemplate(): string
445			{
446			return $this->template;
447			}
448
449			/**
450			* Set the PHP template to use for rendering.
451			*
452			* @param string $template
453			* @return IntervalGraph
454			*/
455			public function setTemplate($template): IntervalGraph
456			{
457			$this->template = $template;
458			return $this;
459			}
460
461			/**
462			* @return Palette
463			*/
464			public function getPalette(): Palette
465			{
466			return $this->palette;
467			}
468
469			/**
470			* Set the Palette object to be used to determine colors.
471			*
472			* @param Palette $palette
473			* @return IntervalGraph
474			*/
475			public function setPalette($palette): IntervalGraph
476			{
477			$this->palette = $palette;
478			return $this;
479			}
480
481			/**
482			* @param Closure $boundToNumeric
483			* @return IntervalGraph
484			*/
485			public function setBoundToNumeric($boundToNumeric): IntervalGraph
486			{
487			$this->boundToNumeric = $boundToNumeric;
488			return $this;
489			}
490
491			/**
492			* Return the array of values to be serialized by json_encode.
493			*
494			* @return array
495			*/
496			public function jsonSerialize(): array
497			{
498			if (!isset($this->values)) {
499			$this->createView();
500			}
501			return $this->values;
502			}
503
504			/**
505			* @return Aggregator
506			*/
507			public function getAggregator(): Aggregator
508			{
509			return $this->aggregator;
510			}
511
512			/**
513			* @param Aggregator $aggregator
514			* @return IntervalGraph
515			*/
516			public function setAggregator(Aggregator $aggregator): IntervalGraph
517			{
518			$this->aggregator = $aggregator;
519			return $this;
520			}
521
522			}
523

vctls / php-interval-graph

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IntervalGraph::extractDiscreteValues() A

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