* TMap, TMapIterator classes
*
* @author Qiang Xue <qiang.xue@gmail.com>
- * @link http://www.pradosoft.com/
- * @copyright Copyright © 2005-2014 PradoSoft
- * @license http://www.pradosoft.com/license/
+ * @link https://github.com/pradosoft/prado
+ * @copyright Copyright © 2005-2016 The PRADO Group
+ * @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT
* @package System.Collections
*/
*/
private $_r=false;
+ /**
+ * Returns an array with the names of all variables of this object that should NOT be serialized
+ * because their value is the default one or useless to be cached for the next page loads.
+ * Reimplement in derived classes to add new variables, but remember to also to call the parent
+ * implementation first.
+ */
+ protected function _getZappableSleepProps(&$exprops)
+ {
+ parent::_getZappableSleepProps($exprops);
+ if ($this->_d===array())
+ $exprops[] = "\0TMap\0_d";
+ if ($this->_r===false)
+ $exprops[] = "\0TMap\0_r";
+ }
+
/**
* Constructor.
* Initializes the list with an array or an iterable object.
* @package System.Collections
* @since 3.0
*/
-class TMapIterator implements Iterator
+class TMapIterator extends ArrayIterator
{
- /**
- * @var array the data to be iterated through
- */
- private $_d;
- /**
- * @var array list of keys in the map
- */
- private $_keys;
- /**
- * @var mixed current key
- */
- private $_key;
-
- /**
- * Constructor.
- * @param array the data to be iterated through
- */
- public function __construct(&$data)
- {
- $this->_d=&$data;
- $this->_keys=array_keys($data);
- }
-
- /**
- * Rewinds internal array pointer.
- * This method is required by the interface Iterator.
- */
- public function rewind()
- {
- $this->_key=reset($this->_keys);
- }
-
- /**
- * Returns the key of the current array element.
- * This method is required by the interface Iterator.
- * @return mixed the key of the current array element
- */
- public function key()
- {
- return $this->_key;
- }
-
- /**
- * Returns the current array element.
- * This method is required by the interface Iterator.
- * @return mixed the current array element
- */
- public function current()
- {
- return $this->_d[$this->_key];
- }
-
- /**
- * Moves the internal pointer to the next array element.
- * This method is required by the interface Iterator.
- */
- public function next()
- {
- $this->_key=next($this->_keys);
- }
-
- /**
- * Returns whether there is an element at current position.
- * This method is required by the interface Iterator.
- * @return boolean
- */
- public function valid()
- {
- return $this->_key!==false;
- }
}