diff options
author | wei <> | 2006-05-09 11:39:11 +0000 |
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committer | wei <> | 2006-05-09 11:39:11 +0000 |
commit | 702fb4a66d473fb1ee98aaa81cd26b4813279ef8 (patch) | |
tree | 9451764b5e0a5b62119456a0c607725d4edad267 /buildscripts/texbuilder/Zend/Search/Lucene/Index/Writer.php | |
parent | a626a7e06c7b52aa759f0b2d7edc1bafc25df29a (diff) |
Remove duplicate
Diffstat (limited to 'buildscripts/texbuilder/Zend/Search/Lucene/Index/Writer.php')
-rw-r--r-- | buildscripts/texbuilder/Zend/Search/Lucene/Index/Writer.php | 308 |
1 files changed, 0 insertions, 308 deletions
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Index/Writer.php b/buildscripts/texbuilder/Zend/Search/Lucene/Index/Writer.php deleted file mode 100644 index da4af000..00000000 --- a/buildscripts/texbuilder/Zend/Search/Lucene/Index/Writer.php +++ /dev/null @@ -1,308 +0,0 @@ -<?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 Index - * @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 - */ - - -/** Zend_Search_Lucene_Index_SegmentWriter */ -require_once 'Zend/Search/Lucene/Index/SegmentWriter.php'; - -/** Zend_Search_Lucene_Index_SegmentInfo */ -require_once 'Zend/Search/Lucene/Index/SegmentInfo.php'; - - -/** - * @package Zend_Search_Lucene - * @subpackage Index - * @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 - */ -class Zend_Search_Lucene_Index_Writer -{ - /** - * @todo Implement segment merger - * @todo Implement mergeFactor, minMergeDocs, maxMergeDocs usage. - * @todo Implement Analyzer substitution - * @todo Implement Zend_Search_Lucene_Storage_DirectoryRAM and Zend_Search_Lucene_Storage_FileRAM to use it for - * temporary index files - * @todo Directory lock processing - */ - - /** - * File system adapter. - * - * @var Zend_Search_Lucene_Storage_Directory - */ - private $_directory = null; - - - /** - * Index version - * Counts how often the index has been changed by adding or deleting docs - * - * @var integer - */ - private $_version; - - /** - * Segment name counter. - * Used to name new segments . - * - * @var integer - */ - private $_segmentNameCounter; - - /** - * Number of the segments in the index - * - * @var inteher - */ - private $_segments; - - /** - * Determines how often segment indices - * are merged by addDocument(). - * - * @var integer - */ - public $mergeFactor; - - /** - * Determines the minimal number of documents required before - * the buffered in-memory documents are merging and a new Segment - * is created. - * - * @var integer - */ - public $minMergeDocs; - - /** - * Determines the largest number of documents ever merged by addDocument(). - * - * @var integer - */ - public $maxMergeDocs; - - /** - * List of the segments, created by index writer - * Array of Zend_Search_Lucene_Index_SegmentInfo objects - * - * @var array - */ - private $_newSegments; - - /** - * Current segment to add documents - * - * @var Zend_Search_Lucene_Index_SegmentWriter - */ - private $_currentSegment; - - /** - * Opens the index for writing - * - * IndexWriter constructor needs Directory as a parameter. It should be - * a string with a path to the index folder or a Directory object. - * Second constructor parameter create is optional - true to create the - * index or overwrite the existing one. - * - * @param Zend_Search_Lucene_Storage_Directory $directory - * @param boolean $create - */ - public function __construct(Zend_Search_Lucene_Storage_Directory $directory, $create = false) - { - $this->_directory = $directory; - - if ($create) { - foreach ($this->_directory->fileList() as $file) { - if ($file == 'deletable' || - $file == 'segments' || - substr($file, strlen($file)-4) == '.cfs') { - $this->_directory->deleteFile($file); - } - } - $segmentsFile = $this->_directory->createFile('segments'); - $segmentsFile->writeInt((int)0xFFFFFFFF); - // write version - $segmentsFile->writeLong(0); - // write name counter - $segmentsFile->writeInt(0); - // write segment counter - $segmentsFile->writeInt(0); - - $deletableFile = $this->_directory->createFile('deletable'); - // write counter - $deletableFile->writeInt(0); - - $this->_version = 0; - $this->_segmentNameCounter = 0; - $this->_segments = 0; - } else { - $segmentsFile = $this->_directory->getFileObject('segments'); - $format = $segmentsFile->readInt(); - if ($format != (int)0xFFFFFFFF) { - throw new Zend_Search_Lucene_Exception('Wrong segments file format'); - } - - // read version - $this->_version = $segmentsFile->readLong(); - // read counter - $this->_segmentNameCounter = $segmentsFile->readInt(); - // read segment counter - $this->_segments = $segmentsFile->readInt(); - } - - $this->_newSegments = array(); - $this->_currentSegment = null; - } - - /** - * Adds a document to this index. - * - * @param Zend_Search_Lucene_Document $document - */ - public function addDocument(Zend_Search_Lucene_Document $document) - { - if ($this->_currentSegment === null) { - $this->_currentSegment = - new Zend_Search_Lucene_Index_SegmentWriter($this->_directory, $this->_newSegmentName()); - } - $this->_currentSegment->addDocument($document); - $this->_version++; - } - - - - /** - * Update segments file by adding current segment to a list - * @todo !!!!!Finish the implementation - * - * @throws Zend_Search_Lucene_Exception - */ - private function _updateSegments() - { - $segmentsFile = $this->_directory->getFileObject('segments'); - $newSegmentFile = $this->_directory->createFile('segments.new'); - - $newSegmentFile->writeInt((int)0xFFFFFFFF); - $newSegmentFile->writeLong($this->_version); - $newSegmentFile->writeInt($this->_segmentNameCounter); - $newSegmentFile->writeInt($this->_segments + count($this->_newSegments)); - - $segmentsFile->seek(20); - $newSegmentFile->writeBytes($segmentsFile->readBytes($this->_directory->fileLength('segments') - 20)); - - foreach ($this->_newSegments as $segmentName => $segmentInfo) { - $newSegmentFile->writeString($segmentName); - $newSegmentFile->writeInt($segmentInfo->count()); - } - - $this->_directory->renameFile('segments.new', 'segments'); - } - - - /** - * Commit current changes - * returns array of new segments - * - * @return array - */ - public function commit() - { - if ($this->_currentSegment !== null) { - $newSegment = $this->_currentSegment->close(); - if ($newSegment !== null) { - $this->_newSegments[$newSegment->getName()] = $newSegment; - } - $this->_currentSegment = null; - } - - if (count($this->_newSegments) != 0) { - $this->_updateSegments(); - } - - $result = $this->_newSegments; - $this->_newSegments = array(); - - return $result; - } - - - /** - * Merges the provided indexes into this index. - * - * @param array $readers - * @return void - */ - public function addIndexes($readers) - { - /** - * @todo implementation - */ - } - - - /** - * Returns the number of documents currently in this index. - * - * @return integer - */ - public function docCount($readers) - { - /** - * @todo implementation - */ - } - - - /** - * Flushes all changes to an index and closes all associated files. - * - */ - public function close() - { - /** - * @todo implementation - */ - } - - - /** - * Merges all segments together into a single segment, optimizing - * an index for search. - * - * return void - */ - public function optimize() - { - /** - * @todo implementation - */ - } - - /** - * Get name for new segment - * - * @return string - */ - private function _newSegmentName() - { - return '_' . base_convert($this->_segmentNameCounter++, 10, 36); - } - -} |