seeddms-code/inc/inc.ClassFulltextService.php

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<?php
/**
* Implementation of fulltext service
*
* @category DMS
* @package SeedDMS
* @license GPL 2
* @version @version@
* @author Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2016 Uwe Steinmann
* @version Release: @package_version@
*/
/**
* Implementation of fulltext service
*
* @category DMS
* @package SeedDMS
* @author Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2016 Uwe Steinmann
* @version Release: @package_version@
*/
class SeedDMS_FulltextService {
/**
* List of services for searching fulltext
*/
protected $services;
/**
* List of converters
*/
protected $converters;
/**
* Max file size for imediate indexing
*/
protected $maxsize;
private $index;
private $search;
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public function __construct() {
$this->services = array();
$this->converters = array();
$this->maxsize = 0;
$this->index = null;
$this->search = null;
$this->cmdtimeout = 5;
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}
public function addService($name, $service) {
$this->services[] = $service;
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}
public function setConverters($converters) {
$this->converters = $converters;
}
public function setMaxSize($maxsize) {
$this->maxsize = $maxsize;
}
public function setCmdTimeout($timeout) {
$this->cmdtimeout = $timeout;
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}
/**
* Return an indexable document from the given document or folder
*
* @param SeedDMS_Core_Document|SeedDMS_Core_Folder $object document or folder
* to be indexed
* @param boolean $forceupdate set to true if the document shall be updated no
* matter how large the content is. Setting this to false will only update the
* document if its content is below the configured size.
* @return object indexed Document ready for passing to the indexer
*/
public function IndexedDocument($object, $forceupdate=false) {
if($object->isType('document'))
$nocontent = ($object->getLatestContent()->getFileSize() > $this->maxsize) && !$forceupdate;
else
$nocontent = true;
return new $this->services[0]['IndexedDocument']($object->getDMS(), $object, $this->converters, $nocontent, $this->cmdtimeout);
}
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/**
* Returns an instance of the indexer
*
* The indexer provides access to fulltext index. It allows to add and
* get documents.
*
* @return object instance of class specified in 'Indexer'
*/
public function Indexer($recreate=false) {
if($this->index)
return $this->index;
if($this->services[0]) {
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if($recreate)
$this->index = $this->services[0]['Indexer']::create($this->services[0]['Conf']);
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else
$this->index = $this->services[0]['Indexer']::open($this->services[0]['Conf']);
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return $this->index;
} else
return null;
}
public function Search() {
if($this->search)
return $this->search;
if($this->services[0]) {
$this->search = new $this->services[0]['Search']($this->index);
return $this->search;
} else {
return null;
}
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}
}