summaryrefslogtreecommitdiff
path: root/buildscripts/texbuilder/Zend/Search/Lucene/Index/Writer.php
diff options
context:
space:
mode:
Diffstat (limited to 'buildscripts/texbuilder/Zend/Search/Lucene/Index/Writer.php')
-rw-r--r--buildscripts/texbuilder/Zend/Search/Lucene/Index/Writer.php308
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);
- }
-
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-05 09:35:59 +0000