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<?php
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namespace Radowoj\Searcher\SearchResult;
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use ArrayAccess;
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use ArrayIterator;
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use Countable;
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use IteratorAggregate;
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use Exception;
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use OutOfRangeException;
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use InvalidArgumentException;
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class Collection implements ICollection, ArrayAccess, IteratorAggregate, Countable
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{
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protected $items = [];
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protected $totalMatches = 0;
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public function __construct(array $items = [], int $totalMatches = 0)
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{
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foreach($items as $item) {
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if (!$item instanceof IItem) {
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throw new InvalidArgumentException('Given items must implement Radowoj\Searcher\SearchResult\IItem interface');
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}
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}
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$this->items = $items;
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$this->totalMatches = $totalMatches;
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}
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public function offsetExists($offset)
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{
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return array_key_exists($offset, $this->items);
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}
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public function offsetGet($offset)
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{
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if (!$this->offsetExists($offset)) {
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throw new OutOfRangeException("Invalid collection index: {$offset}");
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}
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return $this->items[$offset];
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}
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protected function immutable()
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{
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throw new Exception("Search result collection is immutable.");
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}
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public function offsetSet($offset, $value)
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{
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return $this->immutable();
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}
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public function offsetUnset($offset)
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{
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return $this->immutable();
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}
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public function getIterator()
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{
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return new ArrayIterator($this->items);
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}
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public function count()
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{
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return count($this->items);
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}
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public function totalCount()
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{
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return $this->totalMatches;
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}
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}
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radowoj /
searcher
