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20 namespace Doctrine\ORM\Internal\Hydration;
23 * Represents a result structure that can be iterated over, hydrating row-by-row
24 * during the iteration. An IterableResult is obtained by AbstractHydrator#iterate().
29 class IterableResult implements \Iterator
32 * @var \Doctrine\ORM\Internal\Hydration\AbstractHydrator
39 private $_rewinded = false;
49 private $_current = null;
52 * @param \Doctrine\ORM\Internal\Hydration\AbstractHydrator $hydrator
54 public function __construct($hydrator)
56 $this->_hydrator = $hydrator;
59 public function rewind()
61 if ($this->_rewinded == true) {
62 throw new HydrationException("Can only iterate a Result once.");
64 $this->_current = $this->next();
65 $this->_rewinded = true;
70 * Gets the next set of results.
74 public function next()
76 $this->_current = $this->_hydrator->hydrateRow();
78 return $this->_current;
84 public function current()
86 return $this->_current;
100 public function valid()
102 return ($this->_current!=false);