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<?php |
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namespace AlgoWeb\ODataMetadata; |
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class BidirectionalMap |
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{ |
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private $keyToValue = []; |
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private $valueToKey = []; |
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public function reset() |
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{ |
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$this->keyToValue = []; |
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$this->valueToKey = []; |
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} |
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/** |
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* Check if supplied key exists |
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* @param $key |
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* @return bool |
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*/ |
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public function hasKey($key) |
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{ |
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return isset($this->keyToValue[$key]); |
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} |
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/** |
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* Check if supplied key exists |
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* @param $value |
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* @return bool |
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*/ |
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public function hasValue($value) |
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{ |
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return isset($this->valueToKey[$value]); |
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} |
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/** |
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* Retrieve key matching supplied value |
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* @param mixed $value |
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* @return mixed|null |
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*/ |
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public function getKey($value) |
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{ |
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if ($this->hasValue($value)) { |
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return $this->valueToKey[$value]; |
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} |
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return null; |
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} |
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/** |
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* Retrieve value matching supplied key |
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* @param mixed $key |
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* @return mixed|null |
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*/ |
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public function getValue($key) |
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{ |
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if ($this->hasKey($key)) { |
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return $this->keyToValue[$key]; |
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} |
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return null; |
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} |
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public function getAllKeys() |
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{ |
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if (0 !== count($this->keyToValue)) { |
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return array_keys($this->keyToValue); |
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} |
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return $this->keyToValue; |
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} |
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public function getAllValues() |
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{ |
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if (0 !== count($this->valueToKey)) { |
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return array_keys($this->valueToKey); |
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} |
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return $this->valueToKey; |
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} |
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public function putAll($array) |
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{ |
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foreach ($array as $key => $value) { |
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$this->put($key, $value); |
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} |
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} |
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public function put($key, $value) |
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{ |
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if ($this->hasKey($key)) { |
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$this->removeKey($key); |
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} |
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if ($this->hasValue($value)) { |
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$this->removeValue($value); |
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} |
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$this->keyToValue[$key] = $value; |
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$this->valueToKey[$value] = $key; |
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} |
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/** |
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* Remove supplied key from map and return matching value |
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* @param mixed $key |
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* @return mixed|null |
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*/ |
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View Code Duplication |
public function removeKey($key) |
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{ |
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if (!$this->hasKey($key)) { |
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return null; |
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} |
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unset($this->valueToKey[$this->keyToValue[$key]]); |
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$value = $this->keyToValue[$key]; |
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unset($this->keyToValue[$key]); |
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return $value; |
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} |
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/** |
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* Remove supplied value from map and return matching key |
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* @param mixed $value |
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* @return mixed|null |
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*/ |
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View Code Duplication |
public function removeValue($value) |
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{ |
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if (!$this->hasValue($value)) { |
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return null; |
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} |
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unset($this->keyToValue[$this->valueToKey[$value]]); |
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$key = $this->valueToKey[$value]; |
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unset($this->valueToKey[$value]); |
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return $key; |
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} |
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} |
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Algo-Web /
ODataMetadata
Loading history...
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.