InstrumentBase::getDefaultStopLength()

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by Patrick

created 2017-05-29 08:23 UTC

↳ Parent: InstrumentBase

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nc	1

<?php

declare(strict_types = 1);

namespace ExtendedStrings\Strings\Instrument;

use ExtendedStrings\Strings\Note;

abstract class InstrumentBase implements InstrumentInterface
{
    protected $defaultStopLength;

    private $stringFrequencies = [];
    private $stopLength;

    /**
     * Violin constructor.
     *
     * @param array|null $stringFrequencies
     * @param float      $stopLength
     */
    public function __construct(array $stringFrequencies = null, float $stopLength = null)
    {
        if (null === $stringFrequencies) {
            $stringFrequencies = array_map(function ($name) {
                return Note::fromName($name)->getFrequency();
            }, $this->getDefaultNames());
        }
        if (null === $stopLength) {
            $stopLength = $this->getDefaultStopLength();
        }

        $this->stringFrequencies = $stringFrequencies;
        $this->stopLength = $stopLength;
    }

    /**
     * @return string[] The default strings of the instrument, as note names
     *                  (e.g. 'A4', 'D3').
     */
    abstract protected function getDefaultNames(): array;

    /**
     * @return float The default stop length of the instrument (mm).
     */
    abstract protected function getDefaultStopLength(): float;

    /**
     * {@inheritdoc}
     */
    public function getStringFrequencies(): array
    {
        return $this->stringFrequencies;
    }

    /**
     * {@inheritdoc}
     */
    public function getStopLength(): float
    {
        return $this->stopLength;
    }
}


1			<?php
2
3			declare(strict_types = 1);
4
5			namespace ExtendedStrings\Strings\Instrument;
6
7			use ExtendedStrings\Strings\Note;
8
9			abstract class InstrumentBase implements InstrumentInterface
10			{
11			protected $defaultStopLength;
12
13			private $stringFrequencies = [];
14			private $stopLength;
15
16			/**
17			* Violin constructor.
18			*
19			* @param array\|null $stringFrequencies
20			* @param float $stopLength
21			*/
22			public function __construct(array $stringFrequencies = null, float $stopLength = null)
23			{
24			if (null === $stringFrequencies) {
25			$stringFrequencies = array_map(function ($name) {
26			return Note::fromName($name)->getFrequency();
27			}, $this->getDefaultNames());
28			}
29			if (null === $stopLength) {
30			$stopLength = $this->getDefaultStopLength();
31			}
32
33			$this->stringFrequencies = $stringFrequencies;
34			$this->stopLength = $stopLength;
35			}
36
37			/**
38			* @return string[] The default strings of the instrument, as note names
39			* (e.g. 'A4', 'D3').
40			*/
41			abstract protected function getDefaultNames(): array;
42
43			/**
44			* @return float The default stop length of the instrument (mm).
45			*/
46			abstract protected function getDefaultStopLength(): float;
47
48			/**
49			* {@inheritdoc}
50			*/
51			public function getStringFrequencies(): array
52			{
53			return $this->stringFrequencies;
54			}
55
56			/**
57			* {@inheritdoc}
58			*/
59			public function getStopLength(): float
60			{
61			return $this->stopLength;
62			}
63			}
64

extended-strings / strings

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InstrumentBase::getDefaultStopLength()

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