ilLuceneSearcher Class Reference

Reads and parses lucene search results. More...

Collaboration diagram for ilLuceneSearcher:

Public Member Functions
	setType (int $a_type)
	Set search type. More...
	getType ()
	Get type. More...
	search ()
	Search. More...
	highlight (array $a_obj_ids)
	nextResultPage ()
	get next result page More...
	getHighlighter ()
	get highlighter More...
	getResult ()
	Get result. More...
	getPageNumber ()
	get current page number More...

Static Public Member Functions
static	getInstance (ilLuceneQueryParser $qp)
	Get singleton instance. More...

Data Fields
const	TYPE_STANDARD = 1
const	TYPE_USER = 2

Protected Member Functions
	performSearch ()
	search lucene More...

Protected Attributes
ilSetting	$setting

Private Member Functions
	__construct (ilLuceneQueryParser $qp)

Private Attributes
ilLuceneQueryParser	$query_parser
ilLuceneSearchResult	$result
ilLuceneHighlighterResultParser	$highlighter = null
int	$page_number = 1
int	$type = self::TYPE_STANDARD

Static Private Attributes
static ilLuceneSearcher	$instance = null

Detailed Description

Reads and parses lucene search results.

Author

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

Definition at line 28 of file class.ilLuceneSearcher.php.

Constructor & Destructor Documentation

__construct()

ilLuceneSearcher::__construct ( ilLuceneQueryParser  $qp )

private

Definition at line 43 of file class.ilLuceneSearcher.php.

References $DIC.

    {
        global $DIC;

        $this->setting = $DIC->settings();
        $this->result = new ilLuceneSearchResult();
        $this->result->setCallback([$this,'nextResultPage']);
        $this->query_parser = $qp;
    }

Member Function Documentation

getHighlighter()

ilLuceneSearcher::getHighlighter

(

)

get highlighter

Definition at line 130 of file class.ilLuceneSearcher.php.

References $highlighter.

                                    : ?ilLuceneHighlighterResultParser
    {
        return $this->highlighter;
    }

getInstance()

static ilLuceneSearcher::getInstance ( ilLuceneQueryParser  $qp )

static

Get singleton instance.

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

Referenced by ilSearchAutoComplete\getLuceneList(), ilRepositoryObjectDetailSearch\performLuceneSearch(), ilLuceneUserSearchGUI\performSearch(), ilLuceneAdvancedSearchGUI\performSearch(), ilLuceneSearchGUI\performSearch(), ilSoapObjectAdministration\searchObjects(), ilLuceneAdvancedSearchGUI\showSavedResults(), and ilLuceneSearchGUI\showSavedResults().

                                                               : self
    {
        if (self::$instance instanceof ilLuceneSearcher) {
            return self::$instance;
        }
        return self::$instance = new ilLuceneSearcher($qp);
    }

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getPageNumber()

ilLuceneSearcher::getPageNumber

(

)

get current page number

Definition at line 146 of file class.ilLuceneSearcher.php.

References $page_number.

Referenced by performSearch().

                                   : int
    {
        return $this->page_number;
    }

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getResult()

ilLuceneSearcher::getResult

(

)

Get result.

Definition at line 138 of file class.ilLuceneSearcher.php.

References $result.

                               : ilLuceneSearchResult
    {
        return $this->result;
    }

getType()

ilLuceneSearcher::getType

(

)

Get type.

Definition at line 75 of file class.ilLuceneSearcher.php.

References $type.

Referenced by performSearch().

                             : int
    {
        return $this->type;
    }

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highlight()

ilLuceneSearcher::highlight

(

array

$a_obj_ids

)

Parameters

int[]

$a_obj_ids

Returns

ilLuceneHighlighterResultParser|null

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

References Vendor\Package\$e, $highlighter, $res, CLIENT_ID, ilRpcClientFactory\factory(), ilLoggerFactory\getLogger(), and null.

                                               : ?ilLuceneHighlighterResultParser
    {
        if (!$this->query_parser->getQuery()) {
            return null;
        }

        // Search in combined index
        try {
            $res = ilRpcClientFactory::factory('RPCSearchHandler')->highlight(
                CLIENT_ID . '_' . $this->setting->get('inst_id', '0'),
                $a_obj_ids,
                $this->query_parser->getQuery()
            );
        } catch (Exception $e) {
            ilLoggerFactory::getLogger('src')->error('Highlighting failed with message: ' . $e->getMessage());
            return new ilLuceneHighlighterResultParser();
        }

        $this->highlighter = new ilLuceneHighlighterResultParser();
        $this->highlighter->setResultString($res);
        $this->highlighter->parse();

        return $this->highlighter;
    }

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nextResultPage()

ilLuceneSearcher::nextResultPage

(

)

get next result page

Definition at line 121 of file class.ilLuceneSearcher.php.

References performSearch().

                                    : void
    {
        $this->page_number++;
        $this->performSearch();
    }

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performSearch()

ilLuceneSearcher::performSearch ( )

protected

search lucene

PhpUndefinedMethodInspection

Definition at line 154 of file class.ilLuceneSearcher.php.

References Vendor\Package\$e, $res, CLIENT_ID, ilRpcClientFactory\factory(), ilLoggerFactory\getLogger(), getPageNumber(), and getType().

Referenced by nextResultPage(), and search().

                                      : void
    {
        if (!$this->query_parser->getQuery()) {
            return;
        }
        try {
            switch ($this->getType()) {
                case self::TYPE_USER:
                    $res = ilRpcClientFactory::factory('RPCSearchHandler')->searchUsers(
                        CLIENT_ID . '_' . $this->setting->get('inst_id', '0'),
                        $this->query_parser->getQuery()
                    );
                    break;

                case self::TYPE_STANDARD:
                default:
                    $res = ilRpcClientFactory::factory('RPCSearchHandler')->search(
                        CLIENT_ID . '_' . $this->setting->get('inst_id', '0'),
                        $this->query_parser->getQuery(),
                        $this->getPageNumber()
                    );
                    break;
            }
            ilLoggerFactory::getLogger('src')->debug('Searching for: ' . $this->query_parser->getQuery());
        } catch (Exception $e) {
            ilLoggerFactory::getLogger('src')->error('Searching failed with message: ' . $e->getMessage());
            return;
        }

        ilLoggerFactory::getLogger('src')->dump($res);

        // Parse results
        $parser = new ilLuceneSearchResultParser($res);
        $parser->parse($this->result);
    }

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search()

ilLuceneSearcher::search

(

)

Search.

Definition at line 84 of file class.ilLuceneSearcher.php.

References performSearch().

                            : void
    {
        $this->performSearch();
    }

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setType()

ilLuceneSearcher::setType

(

int

$a_type

)

Set search type.

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

                                        : void
    {
        $this->type = $a_type;
    }

Field Documentation

$highlighter

ilLuceneHighlighterResultParser ilLuceneSearcher::$highlighter = null

private

Definition at line 37 of file class.ilLuceneSearcher.php.

Referenced by getHighlighter(), and highlight().

$instance

ilLuceneSearcher ilLuceneSearcher::$instance = null

staticprivate

Definition at line 33 of file class.ilLuceneSearcher.php.

$page_number

int ilLuceneSearcher::$page_number = 1

private

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

Referenced by getPageNumber().

$query_parser

ilLuceneQueryParser ilLuceneSearcher::$query_parser

private

Definition at line 35 of file class.ilLuceneSearcher.php.

$result

ilLuceneSearchResult ilLuceneSearcher::$result

private

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

Referenced by getResult().

$setting

ilSetting ilLuceneSearcher::$setting

protected

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

$type

int ilLuceneSearcher::$type = self::TYPE_STANDARD

private

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

Referenced by getType().

TYPE_STANDARD

const ilLuceneSearcher::TYPE_STANDARD = 1

Definition at line 30 of file class.ilLuceneSearcher.php.

Referenced by ilSearchAutoComplete\getLuceneList().

TYPE_USER

const ilLuceneSearcher::TYPE_USER = 2

Definition at line 31 of file class.ilLuceneSearcher.php.

Referenced by ilLuceneUserSearchGUI\performSearch().

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

• components/ILIAS/Search/classes/Lucene/class.ilLuceneSearcher.php