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