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<?php namespace GenericCollections; |
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use GenericCollections\Interfaces\BaseOptions; |
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/** |
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* This class implements the BaseOptions interface |
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* |
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* Is a ValueObject (read-only) that defines the the container behavior |
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* |
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* @package GenericCollections |
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*/ |
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class Options implements BaseOptions |
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{ |
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const UNIQUE_VALUES = 1; |
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const ALLOW_NULLS = 2; |
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const COMPARISON_EQUAL = 4; |
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/** @var bool null members property */ |
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private $allowNullMembers; |
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/** @var bool duplicates property */ |
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private $uniqueValues; |
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/** @var bool comparison is identical */ |
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private $comparisonIsIdentical; |
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/** @var int original options value */ |
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private $options; |
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/** |
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* Create a Options object based on a numeric value |
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* |
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* @param int $options |
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*/ |
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public function __construct($options) |
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{ |
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if (!is_integer($options)) { |
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throw new \InvalidArgumentException('The supplied options value is not an integer'); |
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} |
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$options = $options & 7; // truncate to max value (3 ^ 2 - 1) |
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$this->options = $options; |
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$this->allowNullMembers = (bool) ($options & self::ALLOW_NULLS); |
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$this->uniqueValues = (bool) ($options & self::UNIQUE_VALUES); |
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$this->comparisonIsIdentical = ! (bool) ($options & self::COMPARISON_EQUAL); |
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} |
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public function optionAllowNullMembers() |
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{ |
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return $this->allowNullMembers; |
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} |
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public function optionUniqueValues() |
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{ |
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return $this->uniqueValues; |
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} |
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public function optionComparisonIsIdentical() |
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{ |
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return $this->comparisonIsIdentical; |
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} |
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/** |
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* Return the options value |
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* |
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* @return int |
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*/ |
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public function getOptions() |
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{ |
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return $this->options; |
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} |
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} |
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eclipxe13 /
generic-collections
