ilLuceneSearchResult Class Reference

Search result implementing iterator interface. More...

Inheritance diagram for ilLuceneSearchResult:

Collaboration diagram for ilLuceneSearchResult:

Public Member Functions
	__construct ()
	Constructor. More...
	setCallback ($a_callback)
	set search callback More...
	rewind ()
	Iterator rewind. More...
	valid ()
	Iterator valid. More...
	key ()
	Iterator key. More...
	current ()
	Iterator current. More...
	next ()
	Iterator next. More...
	getCandidates ()
	get candidates More...
	addObject ($a_value, $a_relevance=0)
	Add object entry. More...
	getRelevance ($a_obj_id)
	get relevance More...
	setLimit ($a_limit)
	getLimit ()
	setMaxScore ($a_score)
	getMaxScore ()
	setTotalHits ($a_hits)
	set total hits More...
	getTotalHits ()
	get total hits More...

Private Attributes
	$listener
	$position = 0
	$limit = 0
	$total_hits = 0
	$max_score = 0
	$objects
	$relevance

Detailed Description

Search result implementing iterator interface.

Author

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

Version

$Id$

Definition at line 34 of file class.ilLuceneSearchResult.php.

Constructor & Destructor Documentation

__construct()

ilLuceneSearchResult::__construct

(

)

Constructor.

Parameters

string

search result

Returns

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

        {
        }

Member Function Documentation

addObject()

ilLuceneSearchResult::addObject	(		$a_value,
			$a_relevance = 0
	)

Add object entry.

Parameters

int	key
int	value

Returns

Definition at line 150 of file class.ilLuceneSearchResult.php.

        {
                $this->objects[] = $a_value;
                $this->relevance[$a_value] = $a_relevance;
        }

current()

ilLuceneSearchResult::current

(

)

Iterator current.

Returns

Definition at line 117 of file class.ilLuceneSearchResult.php.

        {
                return $this->objects[$this->position];  
        }

References $position.

getCandidates()

ilLuceneSearchResult::getCandidates

(

)

get candidates

Parameters

return

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

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

getLimit()

ilLuceneSearchResult::getLimit

(

)

Parameters

return

Definition at line 186 of file class.ilLuceneSearchResult.php.

        {
                return $this->limit;
        }

References $limit.

getMaxScore()

ilLuceneSearchResult::getMaxScore

(

)

Parameters

return

Definition at line 207 of file class.ilLuceneSearchResult.php.

        {
                return $this->max_score;
        }

References $max_score.

Referenced by getRelevance().

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getRelevance()

ilLuceneSearchResult::getRelevance

(

$a_obj_id

)

get relevance

Parameters

int

obj_id

Returns

int relevance in percent

Definition at line 161 of file class.ilLuceneSearchResult.php.

        {
                if(!$this->getMaxScore())
                {
                        return 0;
                }
                return isset($this->relevance[$a_obj_id]) ? $this->relevance[$a_obj_id] / $this->getMaxScore() * 100 : 0; 
        }

References getMaxScore().

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getTotalHits()

ilLuceneSearchResult::getTotalHits

(

)

get total hits

Parameters

return

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

        {
                return $this->total_hits;
        }

References $total_hits.

Referenced by valid().

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key()

ilLuceneSearchResult::key

(

)

Iterator key.

Returns

Definition at line 108 of file class.ilLuceneSearchResult.php.

        {
                return $this->position; 
        }

References $position.

next()

ilLuceneSearchResult::next

(

)

Iterator next.

Returns

Definition at line 126 of file class.ilLuceneSearchResult.php.

        {
                $this->position++;
        }

rewind()

ilLuceneSearchResult::rewind

(

)

Iterator rewind.

Returns

Definition at line 70 of file class.ilLuceneSearchResult.php.

        {
                $this->position = 0;
        }

setCallback()

ilLuceneSearchResult::setCallback

(

$a_callback

)

set search callback

Parameters

return

Definition at line 61 of file class.ilLuceneSearchResult.php.

        {
                $this->listener = $a_callback;
        }

setLimit()

ilLuceneSearchResult::setLimit

(

$a_limit

)

Parameters

return

Definition at line 176 of file class.ilLuceneSearchResult.php.

        {
                $this->limit = $a_limit;
        }

Referenced by ilLuceneSearchResultParser\parse().

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setMaxScore()

ilLuceneSearchResult::setMaxScore

(

$a_score

)

Parameters

return

Definition at line 197 of file class.ilLuceneSearchResult.php.

        {
                $this->max_score = $a_score;     
        }

setTotalHits()

ilLuceneSearchResult::setTotalHits

(

$a_hits

)

set total hits

Returns

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

        {
                $this->total_hits = $a_hits;
        }

valid()

ilLuceneSearchResult::valid

(

)

Iterator valid.

Parameters

return

Definition at line 80 of file class.ilLuceneSearchResult.php.

        {
                global $ilLog;
                
                $ilLog->write(__METHOD__.': Iterator valid called '. count($this->objects).' '. $this->position);
                if($this->position < count($this->objects))
                {
                        return true;
                }
                // if the number of candidates is smaller than the total number of hits
                // get next result page
                if(count($this->objects) < $this->getTotalHits())
                {
                        $ilLog->write("Trying to get next result page...");
                        @call_user_func($this->listener);
                }
                // Check again
                if($this->position < count($this->objects))
                {
                        return true;
                }
                return false;           
        }

References $ilLog, and getTotalHits().

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Field Documentation

$limit

ilLuceneSearchResult::$limit = 0

private

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

Referenced by getLimit().

$listener

ilLuceneSearchResult::$listener

private

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

$max_score

ilLuceneSearchResult::$max_score = 0

private

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

Referenced by getMaxScore().

$objects

ilLuceneSearchResult::$objects

private

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

$position

ilLuceneSearchResult::$position = 0

private

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

Referenced by current(), and key().

$relevance

ilLuceneSearchResult::$relevance

private

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

$total_hits

ilLuceneSearchResult::$total_hits = 0

private

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

Referenced by getTotalHits().

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

• Services/Search/classes/Lucene/class.ilLuceneSearchResult.php