1 | <?php namespace Arcanedev\Units\Traits; |
||
11 | trait Calculatable |
||
12 | { |
||
13 | /* ----------------------------------------------------------------- |
||
14 | | Getters & Setters |
||
15 | | ----------------------------------------------------------------- |
||
16 | */ |
||
17 | |||
18 | /** |
||
19 | * Get the unit value. |
||
20 | * |
||
21 | * @return float|int |
||
22 | */ |
||
23 | abstract public function value(); |
||
24 | |||
25 | /** |
||
26 | * Set the unit value. |
||
27 | * |
||
28 | * @param float|int $value |
||
29 | * |
||
30 | * @return \Arcanedev\Units\Contracts\UnitMeasure |
||
31 | */ |
||
32 | abstract public function setValue($value); |
||
33 | |||
34 | /** |
||
35 | * Get the unit key. |
||
36 | * |
||
37 | * @return string |
||
38 | */ |
||
39 | abstract public function unit(); |
||
40 | |||
41 | /* ----------------------------------------------------------------- |
||
42 | | Main Methods |
||
43 | | ----------------------------------------------------------------- |
||
44 | */ |
||
45 | |||
46 | /** |
||
47 | * Add the unit instance. |
||
48 | * |
||
49 | * @param \Arcanedev\Units\Contracts\UnitMeasure $unit |
||
50 | * |
||
51 | * @return \Arcanedev\Units\Contracts\UnitMeasure |
||
52 | */ |
||
53 | 48 | public function add(UnitMeasure $unit) |
|
61 | |||
62 | /** |
||
63 | * Sub the unit instance. |
||
64 | * |
||
65 | * @param \Arcanedev\Units\Contracts\UnitMeasure $unit |
||
66 | * |
||
67 | * @return \Arcanedev\Units\Contracts\UnitMeasure |
||
68 | */ |
||
69 | 24 | public function sub(UnitMeasure $unit) |
|
77 | |||
78 | /** |
||
79 | * Multiply unit by the given number. |
||
80 | * |
||
81 | * @param float|int $number |
||
82 | * |
||
83 | * @return \Arcanedev\Units\Contracts\UnitMeasure |
||
84 | */ |
||
85 | 24 | public function multiply($number) |
|
91 | |||
92 | /** |
||
93 | * Divide unit by the given number. |
||
94 | * |
||
95 | * @param float|int $number |
||
96 | * |
||
97 | * @return \Arcanedev\Units\Contracts\UnitMeasure |
||
98 | */ |
||
99 | 24 | public function divide($number) |
|
105 | |||
106 | /** |
||
107 | * Calculate the value. |
||
108 | * |
||
109 | * @param float|int $a |
||
110 | * @param string $operator |
||
111 | * @param float|int $b |
||
112 | * |
||
113 | * @return float|int |
||
114 | */ |
||
115 | protected static function calculate($a, $operator, $b) |
||
130 | } |
||
131 |