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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @package Zend_Search
*/
namespace ZendSearch\Lucene\Search\QueryEntry;
/**
* @category Zend
* @package Zend_Search_Lucene
* @subpackage Search
*/
class Term extends AbstractQueryEntry
{
/**
* Term value
*
* @var string
*/
private $_term;
/**
* Field
*
* @var string|null
*/
private $_field;
/**
* Fuzzy search query
*
* @var boolean
*/
private $_fuzzyQuery = false;
/**
* Similarity
*
* @var float
*/
private $_similarity = 1.;
/**
* Object constractor
*
* @param string $term
* @param string $field
*/
public function __construct($term, $field)
{
$this->_term = $term;
$this->_field = $field;
}
/**
* Process modifier ('~')
*
* @param mixed $parameter
*/
public function processFuzzyProximityModifier($parameter = null)
{
$this->_fuzzyQuery = true;
if ($parameter !== null) {
$this->_similarity = $parameter;
} else {
$this->_similarity = \ZendSearch\Lucene\Search\Query\Fuzzy::DEFAULT_MIN_SIMILARITY;
}
}
/**
* Transform entry to a subquery
*
* @param string $encoding
* @return \ZendSearch\Lucene\Search\Query\AbstractQuery
* @throws \ZendSearch\Lucene\Search\Exception\QueryParserException
*/
public function getQuery($encoding)
{
if ($this->_fuzzyQuery) {
$query = new \ZendSearch\Lucene\Search\Query\Preprocessing\Fuzzy($this->_term,
$encoding,
($this->_field !== null)?
iconv($encoding, 'UTF-8', $this->_field) :
null,
$this->_similarity
);
$query->setBoost($this->_boost);
return $query;
}
$query = new \ZendSearch\Lucene\Search\Query\Preprocessing\Term($this->_term,
$encoding,
($this->_field !== null)?
iconv($encoding, 'UTF-8', $this->_field) :
null
);
$query->setBoost($this->_boost);
return $query;
}
}