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<?php |
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/* |
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* This file is part of the kaloa/util package. |
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* |
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* For full copyright and license information, please view the LICENSE file |
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* that was distributed with this source code. |
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*/ |
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namespace Kaloa\Util; |
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use ArrayAccess; |
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use ArrayIterator; |
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use Countable; |
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use InvalidArgumentException; |
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use IteratorAggregate; |
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/** |
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* |
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*/ |
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abstract class AbstractSet implements ArrayAccess, Countable, IteratorAggregate |
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{ |
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/** |
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* |
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* @var string |
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*/ |
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protected $_managedClass = ''; |
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/** |
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* |
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* @var array |
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*/ |
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protected $_container = array(); |
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/** |
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* |
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* @param mixed $obj |
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* @throws InvalidArgumentException |
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*/ |
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public function add($obj) |
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{ |
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if (!$obj instanceof $this->_managedClass) { |
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throw new InvalidArgumentException('Argument has to be of type "' |
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. $this->_managedClass . '"'); |
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} |
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$this->offsetSet(null, $obj); |
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} |
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public function offsetSet($offset, $value) { |
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if (!$value instanceof $this->_managedClass) { |
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throw new InvalidArgumentException('Argument has to be of type "' |
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. $this->_managedClass . '"'); |
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} |
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if (null === $offset) { |
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$this->_container[] = $value; |
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} else { |
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$this->_container[$offset] = $value; |
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} |
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} |
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public function offsetExists($offset) |
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{ |
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return isset($this->_container[$offset]); |
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} |
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public function offsetUnset($offset) |
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{ |
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unset($this->_container[$offset]); |
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} |
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public function offsetGet($offset) |
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{ |
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return isset($this->_container[$offset]) |
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? $this->_container[$offset] |
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: null; |
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} |
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public function getIterator() |
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{ |
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return new ArrayIterator($this->_container); |
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} |
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public function count() |
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{ |
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return count($this->_container); |
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} |
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} |
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mermshaus /
kaloa-util
