From 169950e09cad0e69a7dcbcdabe7ef86086766483 Mon Sep 17 00:00:00 2001 From: Fabio Bas Date: Tue, 20 Jan 2015 19:22:34 +0100 Subject: One class per file: framework/Collections/ --- framework/Collections/TDummyDataSourceIterator.php | 87 ++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 framework/Collections/TDummyDataSourceIterator.php (limited to 'framework/Collections/TDummyDataSourceIterator.php') diff --git a/framework/Collections/TDummyDataSourceIterator.php b/framework/Collections/TDummyDataSourceIterator.php new file mode 100644 index 00000000..d9829a55 --- /dev/null +++ b/framework/Collections/TDummyDataSourceIterator.php @@ -0,0 +1,87 @@ + + * @link http://www.pradosoft.com/ + * @copyright Copyright © 2005-2014 PradoSoft + * @license http://www.pradosoft.com/license/ + * @package System.Collections + */ + +/** + * TDummyDataSourceIterator class + * + * TDummyDataSourceIterator implements Iterator interface. + * + * TDummyDataSourceIterator is used by {@link TDummyDataSource}. + * It allows TDummyDataSource to return a new iterator + * for traversing its dummy items. + * + * @author Qiang Xue + * @package System.Collections + * @since 3.0 + */ +class TDummyDataSourceIterator implements Iterator +{ + private $_index; + private $_count; + + /** + * Constructor. + * @param integer number of (virtual) items in the data source. + */ + public function __construct($count) + { + $this->_count=$count; + $this->_index=0; + } + + /** + * Rewinds internal array pointer. + * This method is required by the interface Iterator. + */ + public function rewind() + { + $this->_index=0; + } + + /** + * Returns the key of the current array item. + * This method is required by the interface Iterator. + * @return integer the key of the current array item + */ + public function key() + { + return $this->_index; + } + + /** + * Returns the current array item. + * This method is required by the interface Iterator. + * @return mixed the current array item + */ + public function current() + { + return null; + } + + /** + * Moves the internal pointer to the next array item. + * This method is required by the interface Iterator. + */ + public function next() + { + $this->_index++; + } + + /** + * Returns whether there is an item at current position. + * This method is required by the interface Iterator. + * @return boolean + */ + public function valid() + { + return $this->_index<$this->_count; + } +} \ No newline at end of file -- cgit v1.2.3