/**
* Generate 'signs style' query from the context
* '+term1 term2 -term3 +(<subquery1>) ...'
*
* @return \ZendSearch\Lucene\Search\Query\AbstractQuery
*/
public function _signStyleExpressionQuery()
{
$query = new Query\Boolean();
if (QueryParser::getDefaultOperator() == QueryParser::B_AND) {
$defaultSign = true;
// required
} else {
$defaultSign = null;
// optional
}
foreach ($this->_entries as $entryId => $entry) {
$sign = $this->_signs[$entryId] !== null ? $this->_signs[$entryId] : $defaultSign;
$query->addSubquery($entry->getQuery($this->_encoding), $sign);
}
return $query;
}
/**
* default (omitted) + NOT operator processing
*/
public function emptyNotOperatorAction()
{
if (QueryParser::getDefaultOperator() == QueryParser::B_AND) {
// Do nothing
} else {
$this->orOperatorAction();
}
// Process NOT operator
$this->notOperatorAction();
}
