Search result implementing iterator interface. More...

Inheritance diagram for ilLuceneSearchResult:

Collaboration diagram for ilLuceneSearchResult:

Public Member Functions
	setCallback (array $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 ()

	addObject (int $a_value, float $a_relevance=0)

	getRelevance (int $a_obj_id)

	setLimit (int $a_limit)

	getLimit ()

	setMaxScore (float $a_score)

	getMaxScore ()

	setTotalHits (int $a_hits)

	getTotalHits ()

Private Attributes
array	$listener = []

int	$position = 0

int	$limit = 0

int	$total_hits = 0

float	$max_score = 0

array	$objects = []

array	$relevance = []

Detailed Description

Search result implementing iterator interface.

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

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

Member Function Documentation

◆ addObject()

ilLuceneSearchResult::addObject	(	int	$a_value,
		float	$a_relevance = `0`
	)

Definition at line 118 of file class.ilLuceneSearchResult.php.

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

Referenced by ilLuceneSearchResultParser\parse().

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◆ current()

ilLuceneSearchResult::current ( )

Iterator current.

Returns

Definition at line 98 of file class.ilLuceneSearchResult.php.

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

References $position.

◆ getCandidates()

ilLuceneSearchResult::getCandidates ( )

Definition at line 113 of file class.ilLuceneSearchResult.php.

                                   : array
    {
        return $this->objects;
    }

References $objects.

◆ getLimit()

ilLuceneSearchResult::getLimit ( )

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

                              : int
    {
        return $this->limit;
    }

References $limit.

Referenced by ilLuceneSearchResultParser\parse().

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◆ getMaxScore()

ilLuceneSearchResult::getMaxScore ( )

Definition at line 149 of file class.ilLuceneSearchResult.php.

                                 : float
    {
        return $this->max_score;
    }

References $max_score.

Referenced by getRelevance().

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◆ getRelevance()

ilLuceneSearchResult::getRelevance ( int $a_obj_id )

Definition at line 124 of file class.ilLuceneSearchResult.php.

                                               : float
    {
        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 ( )

Definition at line 159 of file class.ilLuceneSearchResult.php.

                                  : int
    {
        return $this->total_hits;
    }

References $total_hits.

Referenced by valid().

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◆ key()

ilLuceneSearchResult::key ( )

Iterator key.

Returns

Definition at line 89 of file class.ilLuceneSearchResult.php.

                         : int
    {
        return $this->position;
    }

References $position.

◆ next()

ilLuceneSearchResult::next ( )

Iterator next.

Definition at line 106 of file class.ilLuceneSearchResult.php.

                          : void
    {
        $this->position++;
    }

◆ rewind()

ilLuceneSearchResult::rewind ( )

Iterator rewind.

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

                            : void
    {
        $this->position = 0;
    }

◆ setCallback()

ilLuceneSearchResult::setCallback ( array $a_callback )

set search callback

Parameters

Closure[]

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

                                                  : void
    {
        $this->listener = $a_callback;
    }

◆ setLimit()

ilLuceneSearchResult::setLimit ( int $a_limit )

Definition at line 133 of file class.ilLuceneSearchResult.php.

                                          : void
    {
        $this->limit = $a_limit;
    }

Referenced by ilLuceneSearchResultParser\parse().

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◆ setMaxScore()

ilLuceneSearchResult::setMaxScore ( float $a_score )

Definition at line 144 of file class.ilLuceneSearchResult.php.

                                               : void
    {
        $this->max_score = $a_score;
    }

Referenced by ilLuceneSearchResultParser\parse().

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◆ setTotalHits()

ilLuceneSearchResult::setTotalHits ( int $a_hits )

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

                                             : void
    {
        $this->total_hits = $a_hits;
    }

Referenced by ilLuceneSearchResultParser\parse().

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◆ valid()

ilLuceneSearchResult::valid ( )

Iterator valid.

Parameters

return

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

                           : bool
    {
        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) < $this->getTotalHits()) {
            ilLoggerFactory::getLogger('src')->debug("Trying to get next result page...");
            @call_user_func($this->listener);
        }
        // Check again
        if ($this->position < count($this->objects)) {
            return true;
        }
        return false;
    }