ilUserSearchCache Class Reference

Class for storing search result. More...

Collaboration diagram for ilUserSearchCache:

Public Member Functions
	isAnonymous ()
	Check if current user is anonymous user. More...
	switchSearchType (int $a_type)
	switch to search type reads entries from database More...
	getResults ()
	Get results. More...
	setResults (array $a_results)
	Set results. More...
	addResult (array $a_result_item)
	Append result. More...
	appendToFailed (int $a_ref_id)
	Append failed id. More...
	isFailed (int $a_ref_id)
	check if reference has failed access More...
	appendToChecked (int $a_ref_id, int $a_obj_id)
	Append checked id. More...
	isChecked (int $a_ref_id)
	Check if reference was already checked. More...
	getCheckedItems ()
	Get all checked items public. More...
	setResultPageNumber (int $a_number)
	Set result page number. More...
	getResultPageNumber ()
	get result page number More...
	setQuery ($a_query)
	set query More...
	getQuery ()
	getUrlEncodedQuery ()
	Urlencode query for further use in e.g glossariers (highlighting off search terms). More...
	setRoot (int $a_root)
	set root node of search More...
	getRoot ()
	get root node More...
	setItemFilter (array $a_filter)
	getItemFilter ()
	setMimeFilter (array $a_filter)
	getMimeFilter ()
	setCreationFilter (array $a_filter)
	getCreationFilter ()
	deleteCachedEntries ()
	delete cached entries More...
	deleteCachedEntriesAnonymous ()
	Delete cached entries for anonymous user. More...
	delete ()
	save ()
	saveForAnonymous ()

Static Public Member Functions
static	_getInstance (int $a_usr_id)

Data Fields
const	DEFAULT_SEARCH = 0
const	ADVANCED_SEARCH = 1
const	ADVANCED_MD_SEARCH = 4
const	LUCENE_DEFAULT = 5
const	LUCENE_ADVANCED = 6
const	LAST_QUERY = 7
const	LUCENE_USER_SEARCH = 8

Protected Attributes
ilDBInterface	$db

Private Member Functions
	__construct (int $a_usr_id)
	Constructor. More...
	read ()
	Read user entries. More...
	readAnonymous ()
	Read from session for anonymous user. More...

Private Attributes
int	$usr_id
int	$search_type = self::DEFAULT_SEARCH
array	$search_result = array()
array	$checked = array()
array	$failed = array()
int	$page_number = 1
	$query
int	$root
array	$item_filter = array()
bool	$isAnonymous = false
array	$mime_filter = array()
array	$creation_filter = array()

Static Private Attributes
static ilUserSearchCache	$instance = null

Detailed Description

Class for storing search result.

Allows paging of result sets

Author

Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Definition at line 36 of file class.ilUserSearchCache.php.

Constructor & Destructor Documentation

__construct()

ilUserSearchCache::__construct ( int  $a_usr_id )

private

Constructor.

private

Definition at line 77 of file class.ilUserSearchCache.php.

References $DIC, ANONYMOUS_USER_ID, isAnonymous(), read(), and ROOT_FOLDER_ID.

    {
        global $DIC;

        $this->db = $DIC->database();

        if ($a_usr_id == ANONYMOUS_USER_ID) {
            $this->isAnonymous = true;
        }

        $this->root = ROOT_FOLDER_ID;
        $this->usr_id = $a_usr_id;
        $this->search_type = self::DEFAULT_SEARCH;
        $this->read();
    }

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Member Function Documentation

_getInstance()

static ilUserSearchCache::_getInstance ( int  $a_usr_id )

static

Definition at line 93 of file class.ilUserSearchCache.php.

Referenced by ilLuceneSearchResultFilter\__construct(), ilSearchBaseGUI\__construct(), ilObjGlossarySubItemListGUI\getHTML(), ilLMContentRendererGUI\initSearchHighlighting(), ilLuceneUserSearchGUI\initUserSearchCache(), ilLuceneAdvancedSearchGUI\initUserSearchCache(), ilLuceneSearchGUI\initUserSearchCache(), ilSearchResult\initUserSearchCache(), ilAdvancedSearchGUI\initUserSearchCache(), ilGlossaryPresentationGUI\listDefinitions(), and ilWikiPageGUI\preview().

                                                      : ilUserSearchCache
    {
        if (self::$instance instanceof ilUserSearchCache) {
            return self::$instance;
        }
        return self::$instance = new ilUserSearchCache($a_usr_id);
    }

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addResult()

ilUserSearchCache::addResult

(

array

$a_result_item

)

Append result.

public

Parameters

array(int,int,string)

array(ref_id,obj_id,type)

Definition at line 151 of file class.ilUserSearchCache.php.

                                                   : bool
    {
        $this->search_result[$a_result_item['ref_id']]['ref_id'] = $a_result_item['ref_id'];
        $this->search_result[$a_result_item['ref_id']]['obj_id'] = $a_result_item['obj_id'];
        $this->search_result[$a_result_item['ref_id']]['type'] = $a_result_item['type'];
        return true;
    }

appendToChecked()

ilUserSearchCache::appendToChecked	(	int	$a_ref_id,
		int	$a_obj_id
	)

Append checked id.

public

Parameters

int	checked reference id
int	checked obj_id

Definition at line 183 of file class.ilUserSearchCache.php.

                                                                 : void
    {
        $this->checked[$a_ref_id] = $a_obj_id;
    }

appendToFailed()

ilUserSearchCache::appendToFailed

(

int

$a_ref_id

)

Append failed id.

Definition at line 162 of file class.ilUserSearchCache.php.

                                                 : void
    {
        $this->failed[$a_ref_id] = $a_ref_id;
    }

delete()

ilUserSearchCache::delete

(

)

Definition at line 378 of file class.ilUserSearchCache.php.

References $query, $res, and read().

                            : bool
    {
        $query = "DELETE FROM usr_search " .
            "WHERE usr_id = " . $this->db->quote($this->usr_id, 'integer') . " " .
            "AND search_type = " . $this->db->quote($this->search_type, 'integer');
        $res = $this->db->manipulate($query);

        $this->read();
        return true;
    }

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deleteCachedEntries()

ilUserSearchCache::deleteCachedEntries

(

)

delete cached entries

Definition at line 316 of file class.ilUserSearchCache.php.

References $query, $res, deleteCachedEntriesAnonymous(), ilDBConstants\FETCHMODE_OBJECT, isAnonymous(), and setResultPageNumber().

                                         : void
    {
        if ($this->isAnonymous()) {
            $this->deleteCachedEntriesAnonymous();
            return;
        }
        $query = "SELECT COUNT(*) num FROM usr_search " .
            "WHERE usr_id = " . $this->db->quote($this->usr_id, 'integer') . " " .
            "AND search_type = " . $this->db->quote($this->search_type, 'integer');
        $res = $this->db->query($query);
        $row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT);

        if ($row->num > 0) {
            $this->db->update(
                'usr_search',
                array(
                    'search_result' => array('clob',serialize(array(0))),
                    'checked' => array('clob',serialize(array(0))),
                    'failed' => array('clob',serialize(array(0))),
                    'page' => array('integer',0)),
                array(
                    'usr_id' => array('integer', $this->usr_id),
                    'search_type' => array('integer', $this->search_type)
            )
            );
        } else {
            $this->db->insert(
                'usr_search',
                array(
                    'search_result' => array('clob',serialize(array(0))),
                    'checked' => array('clob',serialize(array(0))),
                    'failed' => array('clob',serialize(array(0))),
                    'page' => array('integer',0),
                    'usr_id' => array('integer', $this->usr_id),
                    'search_type' => array('integer', $this->search_type),
                    'query' => array('clob',serialize(''))
            )
            );
        }

        $this->setResultPageNumber(1);
        $this->search_result = array();
        $this->checked = array();
        $this->failed = array();
    }

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deleteCachedEntriesAnonymous()

ilUserSearchCache::deleteCachedEntriesAnonymous

(

)

Delete cached entries for anonymous user.

Returns

bool

Definition at line 366 of file class.ilUserSearchCache.php.

References setResultPageNumber().

Referenced by deleteCachedEntries().

                                                  : bool
    {
        $this->setResultPageNumber(1);
        $this->search_result = array();
        $this->checked = array();
        $this->failed = array();

        return true;
    }

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getCheckedItems()

ilUserSearchCache::getCheckedItems

(

)

Get all checked items public.

Returns

array array(ref_id => obj_id)

Definition at line 205 of file class.ilUserSearchCache.php.

                                     : array
    {
        return $this->checked ?: array();
    }

getCreationFilter()

ilUserSearchCache::getCreationFilter

(

)

Definition at line 307 of file class.ilUserSearchCache.php.

References $creation_filter.

Referenced by save(), and saveForAnonymous().

                                       : array
    {
        return $this->creation_filter;
    }

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getItemFilter()

ilUserSearchCache::getItemFilter

(

)

Definition at line 287 of file class.ilUserSearchCache.php.

References $item_filter.

Referenced by save(), and saveForAnonymous().

                                   : array
    {
        return $this->item_filter;
    }

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getMimeFilter()

ilUserSearchCache::getMimeFilter

(

)

Definition at line 297 of file class.ilUserSearchCache.php.

References $mime_filter.

Referenced by save(), and saveForAnonymous().

                                   : array
    {
        return $this->mime_filter;
    }

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getQuery()

ilUserSearchCache::getQuery

(

)

Returns

string|array query string or array (for advanced search)

Definition at line 244 of file class.ilUserSearchCache.php.

References $query.

Referenced by getUrlEncodedQuery(), save(), and saveForAnonymous().

    {
        if (is_array($this->query)) {
            return $this->query;
        }
        return $this->query ?? '';
    }

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getResultPageNumber()

ilUserSearchCache::getResultPageNumber

(

)

get result page number

Definition at line 226 of file class.ilUserSearchCache.php.

                                         : int
    {
        return $this->page_number ?: 1;
    }

getResults()

ilUserSearchCache::getResults

(

)

Get results.

public

Definition at line 127 of file class.ilUserSearchCache.php.

                                : array
    {
        return $this->search_result ?: array();
    }

getRoot()

ilUserSearchCache::getRoot

(

)

get root node

Returns

int

Definition at line 277 of file class.ilUserSearchCache.php.

References ROOT_FOLDER_ID.

Referenced by save(), and saveForAnonymous().

                             : int
    {
        return $this->root ?: ROOT_FOLDER_ID;
    }

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getUrlEncodedQuery()

ilUserSearchCache::getUrlEncodedQuery

(

)

Urlencode query for further use in e.g glossariers (highlighting off search terms).

Definition at line 255 of file class.ilUserSearchCache.php.

References $query, and getQuery().

                                        : string
    {
        if (is_array($this->getQuery())) {
            $query = $this->getQuery();

            return urlencode(str_replace('"', '.', $query['lom_content']));
        }
        return urlencode(str_replace('"', '.', $this->getQuery()));
    }

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isAnonymous()

ilUserSearchCache::isAnonymous

(

)

Check if current user is anonymous user.

Returns

bool

Definition at line 105 of file class.ilUserSearchCache.php.

References $isAnonymous.

Referenced by __construct(), deleteCachedEntries(), read(), and save().

                                 : bool
    {
        return $this->isAnonymous;
    }

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isChecked()

ilUserSearchCache::isChecked

(

int

$a_ref_id

)

Check if reference was already checked.

public

Parameters

int

ref_id

Definition at line 195 of file class.ilUserSearchCache.php.

                                            : bool
    {
        return array_key_exists($a_ref_id, $this->checked) and $this->checked[$a_ref_id];
    }

isFailed()

ilUserSearchCache::isFailed

(

int

$a_ref_id

)

check if reference has failed access

Definition at line 170 of file class.ilUserSearchCache.php.

                                           : bool
    {
        return in_array($a_ref_id, $this->failed);
    }

read()

ilUserSearchCache::read ( )

private

Read user entries.

private

Definition at line 452 of file class.ilUserSearchCache.php.

References $query, $res, ilDBConstants\FETCHMODE_OBJECT, ILIAS\Repository\int(), isAnonymous(), readAnonymous(), setCreationFilter(), setItemFilter(), and setRoot().

Referenced by __construct(), delete(), and switchSearchType().

                           : void
    {
        $this->failed = array();
        $this->checked = array();
        $this->search_result = array();
        $this->page_number = 0;

        if ($this->isAnonymous()) {
            $this->readAnonymous();
            return;
        }

        $query = "SELECT * FROM usr_search " .
            "WHERE usr_id = " . $this->db->quote($this->usr_id, 'integer') . " " .
            "AND search_type = " . $this->db->quote($this->search_type, 'integer');

        $res = $this->db->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $this->search_result = (array) unserialize((string) $row->search_result);
            if (strlen((string) $row->checked)) {
                $this->checked = (array) unserialize((string) $row->checked);
            }
            if (strlen((string) $row->failed)) {
                $this->failed = (array) unserialize((string) $row->failed);
            }
            $this->page_number = (int) $row->page;
            $this->setQuery(unserialize((string) $row->query));
            $this->setRoot((int) $row->root);
            $this->setItemFilter((array) unserialize((string) $row->item_filter));
            $this->setCreationFilter((array) unserialize((string) $row->creation_filter));
        }
    }

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readAnonymous()

ilUserSearchCache::readAnonymous ( )

private

Read from session for anonymous user.

Definition at line 488 of file class.ilUserSearchCache.php.

References ilSession\get(), ILIAS\Repository\int(), ROOT_FOLDER_ID, setCreationFilter(), setItemFilter(), setMimeFilter(), setQuery(), and setRoot().

Referenced by read().

                                    : void
    {
        $usr_search_cache = ilSession::get('usr_search_cache') ?? [];

        $this->search_result = (array) ($usr_search_cache[$this->search_type]['search_result'] ?? []);
        $this->checked = (array) ($usr_search_cache[$this->search_type]['checked'] ?? []);
        $this->failed = (array) ($usr_search_cache[$this->search_type]['failed'] ?? []);
        $this->page_number = (int) ($usr_search_cache[$this->search_type]['page_number'] ?? 1);
        $this->setQuery((string) ($usr_search_cache[$this->search_type]['query'] ?? ''));
        $this->setRoot((int) ($usr_search_cache[$this->search_type]['root'] ?? ROOT_FOLDER_ID));
        $this->setItemFilter((array) ($usr_search_cache[$this->search_type]['item_filter'] ?? []));
        $this->setMimeFilter((array) ($usr_search_cache[$this->search_type]['mime_filter'] ?? []));
        $this->setCreationFilter((array) ($usr_search_cache[$this->search_type]['creation_filter'] ?? []));
    }

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save()

ilUserSearchCache::save

(

)

Definition at line 389 of file class.ilUserSearchCache.php.

References $query, $res, getCreationFilter(), getItemFilter(), getMimeFilter(), getQuery(), getRoot(), isAnonymous(), and saveForAnonymous().

                          : void
    {
        if ($this->isAnonymous()) {
            $this->saveForAnonymous();
            return;
        }

        $query = "DELETE FROM usr_search " .
            "WHERE usr_id = " . $this->db->quote($this->usr_id, 'integer') . " " .
            "AND ( search_type = " . $this->db->quote($this->search_type, 'integer') . ' ' .
            "OR search_type = " . $this->db->quote(self::LAST_QUERY, 'integer') . ')';
        $res = $this->db->manipulate($query);

        $this->db->insert('usr_search', array(
            'usr_id' => array('integer', $this->usr_id),
            'search_result' => array('clob',serialize($this->search_result)),
            'checked' => array('clob',serialize($this->checked)),
            'failed' => array('clob',serialize($this->failed)),
            'page' => array('integer', $this->page_number),
            'search_type' => array('integer', $this->search_type),
            'query' => array('clob',serialize($this->getQuery())),
            'root' => array('integer',$this->getRoot()),
            'item_filter' => array('text',serialize($this->getItemFilter())),
            'mime_filter' => array('text',  serialize($this->getMimeFilter())),
            'creation_filter' => array('text', serialize($this->getCreationFilter()))
        ));


        // Write last query information
        $this->db->insert(
            'usr_search',
            array(
                'usr_id' => array('integer',$this->usr_id),
                'search_type' => array('integer',self::LAST_QUERY),
                'query' => array('text',serialize($this->getQuery()))
            )
        );
    }

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saveForAnonymous()

ilUserSearchCache::saveForAnonymous

(

)

Definition at line 428 of file class.ilUserSearchCache.php.

References $checked, $failed, $page_number, $search_result, $search_type, ilSession\clear(), getCreationFilter(), getItemFilter(), getMimeFilter(), getQuery(), getRoot(), and ilSession\set().

Referenced by save().

                                      : void
    {
        ilSession::clear('usr_search_cache');
        $session_usr_search = [];
        $session_usr_search[$this->search_type]['search_result'] = $this->search_result;
        $session_usr_search[$this->search_type]['checked'] = $this->checked;
        $session_usr_search[$this->search_type]['failed'] = $this->failed;
        $session_usr_search[$this->search_type]['page'] = $this->page_number;
        $session_usr_search[$this->search_type]['query'] = $this->getQuery();
        $session_usr_search[$this->search_type]['root'] = $this->getRoot();
        $session_usr_search[$this->search_type]['item_filter'] = $this->getItemFilter();
        $session_usr_search[$this->search_type]['mime_filter'] = $this->getMimeFilter();
        $session_usr_search[$this->search_type]['creation_filter'] = $this->getCreationFilter();
        $session_usr_search[self::LAST_QUERY]['query'] = $this->getQuery();
        ilSession::set('usr_search_cache', $session_usr_search);
    }

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setCreationFilter()

ilUserSearchCache::setCreationFilter

(

array

$a_filter

)

Definition at line 302 of file class.ilUserSearchCache.php.

Referenced by read(), and readAnonymous().

                                                      : void
    {
        $this->creation_filter = $a_filter;
    }

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setItemFilter()

ilUserSearchCache::setItemFilter

(

array

$a_filter

)

Definition at line 282 of file class.ilUserSearchCache.php.

Referenced by read(), and readAnonymous().

                                                  : void
    {
        $this->item_filter = $a_filter;
    }

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setMimeFilter()

ilUserSearchCache::setMimeFilter

(

array

$a_filter

)

Definition at line 292 of file class.ilUserSearchCache.php.

Referenced by readAnonymous().

                                                  : void
    {
        $this->mime_filter = $a_filter;
    }

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setQuery()

ilUserSearchCache::setQuery

(

$a_query

)

set query

Parameters

mixed

query string or array (for advanced search)

Returns

void

Definition at line 236 of file class.ilUserSearchCache.php.

Referenced by readAnonymous().

                                      : void
    {
        $this->query = $a_query;
    }

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setResultPageNumber()

ilUserSearchCache::setResultPageNumber

(

int

$a_number

)

Set result page number.

public

Definition at line 216 of file class.ilUserSearchCache.php.

Referenced by deleteCachedEntries(), and deleteCachedEntriesAnonymous().

                                                      : void
    {
        if ($a_number) {
            $this->page_number = $a_number;
        }
    }

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setResults()

ilUserSearchCache::setResults

(

array

$a_results

)

Set results.

public

Parameters

array(int

=> array(int,int,string)) array(ref_id => array(ref_id,obj_id,type))

Definition at line 139 of file class.ilUserSearchCache.php.

                                                : void
    {
        $this->search_result = $a_results;
    }

setRoot()

ilUserSearchCache::setRoot

(

int

$a_root

)

set root node of search

Definition at line 268 of file class.ilUserSearchCache.php.

Referenced by read(), and readAnonymous().

                                        : void
    {
        $this->root = $a_root;
    }

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switchSearchType()

ilUserSearchCache::switchSearchType

(

int

$a_type

)

switch to search type reads entries from database

Definition at line 114 of file class.ilUserSearchCache.php.

References read().

                                                 : bool
    {
        $this->search_type = $a_type;
        $this->read();
        return true;
    }

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Field Documentation

$checked

array ilUserSearchCache::$checked = array()

private

Definition at line 55 of file class.ilUserSearchCache.php.

Referenced by saveForAnonymous().

$creation_filter

array ilUserSearchCache::$creation_filter = array()

private

Definition at line 67 of file class.ilUserSearchCache.php.

Referenced by getCreationFilter().

$db

ilDBInterface ilUserSearchCache::$db

protected

Definition at line 49 of file class.ilUserSearchCache.php.

$failed

array ilUserSearchCache::$failed = array()

private

Definition at line 56 of file class.ilUserSearchCache.php.

Referenced by saveForAnonymous().

$instance

ilUserSearchCache ilUserSearchCache::$instance = null

staticprivate

Definition at line 48 of file class.ilUserSearchCache.php.

$isAnonymous

bool ilUserSearchCache::$isAnonymous = false

private

Definition at line 65 of file class.ilUserSearchCache.php.

Referenced by isAnonymous().

$item_filter

array ilUserSearchCache::$item_filter = array()

private

Definition at line 64 of file class.ilUserSearchCache.php.

Referenced by getItemFilter().

$mime_filter

array ilUserSearchCache::$mime_filter = array()

private

Definition at line 66 of file class.ilUserSearchCache.php.

Referenced by getMimeFilter().

$page_number

int ilUserSearchCache::$page_number = 1

private

Definition at line 57 of file class.ilUserSearchCache.php.

Referenced by saveForAnonymous().

$query

string array ilUserSearchCache::$query

private

Definition at line 62 of file class.ilUserSearchCache.php.

Referenced by delete(), deleteCachedEntries(), getQuery(), getUrlEncodedQuery(), read(), and save().

$root

int ilUserSearchCache::$root

private

Definition at line 63 of file class.ilUserSearchCache.php.

$search_result

array ilUserSearchCache::$search_result = array()

private

Definition at line 54 of file class.ilUserSearchCache.php.

Referenced by saveForAnonymous().

$search_type

int ilUserSearchCache::$search_type = self::DEFAULT_SEARCH

private

Definition at line 52 of file class.ilUserSearchCache.php.

Referenced by saveForAnonymous().

$usr_id

int ilUserSearchCache::$usr_id

private

Definition at line 51 of file class.ilUserSearchCache.php.

ADVANCED_MD_SEARCH

const ilUserSearchCache::ADVANCED_MD_SEARCH = 4

Definition at line 40 of file class.ilUserSearchCache.php.

Referenced by ilAdvancedSearchGUI\initSearchType(), ilAdvancedSearchGUI\performAdvMDSearch(), ilAdvancedSearchGUI\performSearch(), and ilAdvancedSearchGUI\showSavedAdvMDResults().

ADVANCED_SEARCH

const ilUserSearchCache::ADVANCED_SEARCH = 1

Definition at line 39 of file class.ilUserSearchCache.php.

Referenced by ilAdvancedSearchGUI\initSearchType(), ilAdvancedSearchGUI\initUserSearchCache(), and ilAdvancedSearchGUI\showSavedResults().

DEFAULT_SEARCH

const ilUserSearchCache::DEFAULT_SEARCH = 0

Definition at line 38 of file class.ilUserSearchCache.php.

LAST_QUERY

const ilUserSearchCache::LAST_QUERY = 7

Definition at line 44 of file class.ilUserSearchCache.php.

Referenced by ilLMContentRendererGUI\initSearchHighlighting(), ilGlossaryPresentationGUI\listDefinitions(), and ilWikiPageGUI\preview().

LUCENE_ADVANCED

const ilUserSearchCache::LUCENE_ADVANCED = 6

Definition at line 42 of file class.ilUserSearchCache.php.

Referenced by ilLuceneAdvancedSearchGUI\initUserSearchCache().

LUCENE_DEFAULT

const ilUserSearchCache::LUCENE_DEFAULT = 5

Definition at line 41 of file class.ilUserSearchCache.php.

Referenced by ilLuceneSearchGUI\initUserSearchCache().

LUCENE_USER_SEARCH

const ilUserSearchCache::LUCENE_USER_SEARCH = 8

Definition at line 46 of file class.ilUserSearchCache.php.

Referenced by ilLuceneUserSearchGUI\initUserSearchCache().

---

The documentation for this class was generated from the following file:

• components/ILIAS/Search/classes/class.ilUserSearchCache.php