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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to version 1.0 of the Zend Framework
* license, that is bundled with this package in the file LICENSE, and
* is available through the world-wide-web at the following URL:
* http://www.zend.com/license/framework/1_0.txt. If you did not receive
* a copy of the Zend Framework license and are unable to obtain it
* through the world-wide-web, please send a note to license@zend.com
* so we can mail you a copy immediately.
*
* @package Zend_Search_Lucene
* @subpackage Storage
* @copyright Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
*/
/**
* @package Zend_Search_Lucene
* @subpackage Storage
* @copyright Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
*/
abstract class Zend_Search_Lucene_Storage_Directory
{
/**
* Closes the store.
*
* @return void
*/
abstract public function close();
/**
* Returns an array of strings, one for each file in the directory.
*
* @return array
*/
abstract public function fileList();
/**
* Creates a new, empty file in the directory with the given $filename.
*
* @param string $filename
* @return Zend_Search_Lucene_Storage_File
*/
abstract public function createFile($filename);
/**
* Removes an existing $filename in the directory.
*
* @param string $filename
* @return void
*/
abstract public function deleteFile($filename);
/**
* Returns true if a file with the given $filename exists.
*
* @param string $filename
* @return boolean
*/
abstract public function fileExists($filename);
/**
* Returns the length of a $filename in the directory.
*
* @param string $filename
* @return integer
*/
abstract public function fileLength($filename);
/**
* Returns the UNIX timestamp $filename was last modified.
*
* @param string $filename
* @return integer
*/
abstract public function fileModified($filename);
/**
* Renames an existing file in the directory.
*
* @param string $from
* @param string $to
* @return void
*/
abstract public function renameFile($from, $to);
/**
* Sets the modified time of $filename to now.
*
* @param string $filename
* @return void
*/
abstract public function touchFile($filename);
/**
* Returns a Zend_Search_Lucene_Storage_File object for a given $filename in the directory.
*
* @param string $filename
* @return Zend_Search_Lucene_Storage_File
*/
abstract public function getFileObject($filename);
}
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