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<?php |
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/** |
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* User: alec |
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* Date: 14.10.18 |
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* Time: 2:18 |
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*/ |
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namespace AlecRabbit\Tools; |
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use AlecRabbit\Tools\Contracts\CounterInterface; |
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use AlecRabbit\Tools\Reports\Contracts\ReportableInterface; |
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use AlecRabbit\Tools\Reports\Traits\Reportable; |
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use AlecRabbit\Tools\Traits\CounterFields; |
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class Counter implements CounterInterface, ReportableInterface |
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{ |
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use CounterFields, Reportable; |
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protected const DEFAULT_STEP = 1; |
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/** |
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* Counter constructor |
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* @param null|string $name |
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* @param null|int $step |
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* @param int $initialValue |
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*/ |
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public function __construct(?string $name = null, ?int $step = null, int $initialValue = 0) |
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{ |
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$this->name = $this->defaultName($name); |
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$this->setInitialValue($initialValue); |
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$this->setStep($step); |
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$this->updateMaxAndMin(); |
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} |
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/** |
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* @param int $initialValue |
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* @return Counter |
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*/ |
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public function setInitialValue(int $initialValue): Counter |
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{ |
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if (false === $this->isStarted()) { |
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$this->value = $this->initialValue = $this->length = $this->max = $this->min = $initialValue; |
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} else { |
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throw new \RuntimeException('You can\'t set counter initial value, it has been bumped already.'); |
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} |
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return $this; |
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} |
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/** |
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* @param null|int $step |
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* @return Counter |
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*/ |
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public function setStep(?int $step = null): Counter |
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{ |
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$step = $this->assertStep($step); |
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if (false === $this->isStarted()) { |
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$this->step = $step; |
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} else { |
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throw new \RuntimeException('You can\'t set counter step value, it has been bumped already.'); |
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} |
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return $this; |
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} |
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/** |
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* @param null|int $step |
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* @return int |
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*/ |
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protected function assertStep(?int $step = null): int |
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{ |
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$step = $step ?? self::DEFAULT_STEP; |
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if ($step === 0) { |
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throw new \RuntimeException('Counter step should be non-zero integer.'); |
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} |
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return $step; |
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} |
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private function updateMaxAndMin(): void |
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{ |
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if ($this->value > $this->max) { |
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$this->max = $this->value; |
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} |
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if ($this->value < $this->min) { |
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$this->min = $this->value; |
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} |
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} |
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/** |
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* @param int $times |
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* @return int |
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*/ |
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public function bumpBack(int $times = 1): int |
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{ |
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return |
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$this->bump($times, false); |
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} |
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/** |
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* @param int $times |
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* @param bool $forward |
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* @return int |
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*/ |
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public function bump(int $times = 1, bool $forward = true): int |
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{ |
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$times = $this->assertTimes($times); |
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$this->start(); |
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$this->path += $times * $this->step; |
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$this->length += $times * $this->step; |
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if ($forward) { |
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$this->value += $times * $this->step; |
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$this->bumpedForward++; |
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} else { |
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$this->value -= $times * $this->step; |
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$this->bumpedBack++; |
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} |
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$this->updateMaxAndMin(); |
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return |
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$this->value; |
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} |
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protected function assertTimes(int $times): int |
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{ |
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if ($times < 1) { |
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throw new |
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\RuntimeException('Parameter 0 for bump() or bumpBack() should be positive non-zero integer.'); |
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} |
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return $times; |
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} |
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protected function start(): void |
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{ |
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$this->started = true; |
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} |
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// // todo move to helpers |
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// private function callingMethod(int $depth = 2): string |
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// { |
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// $e = new \Exception(); |
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// $trace = $e->getTrace(); |
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// $caller = $trace[$depth]; |
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// $r = ''; |
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// $r .= $caller['function'] . '()'; |
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// if (isset($caller['class'])) { |
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// $r .= ' in ' . $caller['class']; |
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// } |
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// if (isset($caller['object'])) { |
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// $r .= ' (' . get_class($caller['object']) . ')'; |
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// } |
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// unset($e); |
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// return $r; |
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// } |
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} |
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alecrabbit /
php-simple-profiler
