/**
* {@inheritdoc}
*/
public function register(Application $app)
{
Analyzer::setDefault(new CaseInsensitive());
QueryParser::setDefaultEncoding('UTF-8');
$app['zendsearch.indices_path'] = array();
$app['zendsearch.indices.initializer'] = $app->protect(function () use($app) {
static $initialized = false;
if ($initialized) {
return;
}
$initialized = true;
$indices = array();
foreach ($app['zendsearch.indices_path'] as $name => $index) {
$indices[$name] = file_exists($index) ? Lucene::open($index) : Lucene::create($index);
}
$app['zendsearch.indices_collection'] = $indices;
});
$app['zendsearch.indices'] = $app->share(function ($app) {
$app['zendsearch.indices.initializer']();
return $app['zendsearch.indices_collection'];
});
$app['zendsearch.multisearcher'] = $app->share(function ($app) {
$app['zendsearch.indices.initializer']();
$multi = new MultiSearcher();
foreach ($app['zendsearch.indices'] as $index) {
$multi->addIndex($index);
}
return $multi;
});
$app['zendsearch'] = $app->share(function ($app) {
return $app['zendsearch.multisearcher'];
});
}
/**
* @covers ZendSearch\Lucene\MultiSearcher::find
* @covers ZendSearch\Lucene\Search\QueryHit::getDocument
*/
public function testFind()
{
$index = new Lucene\MultiSearcher(array(Lucene\Lucene::open(__DIR__ . '/_indexSample/_files'), Lucene\Lucene::open(__DIR__ . '/_indexSample/_files')));
$hits = $index->find('submitting');
$this->assertEquals(count($hits), 2 * 3);
foreach ($hits as $hit) {
$document = $hit->getDocument();
$this->assertTrue($document instanceof Lucene\Document);
}
}
<?php
require 'vendor/autoload.php';
use ZendSearch\Lucene\Lucene;
use ZendSearch\Lucene\MultiSearcher;
use ZendSearch\Lucene\Search\QueryParser;
$stem = function ($e) {
return \Porter::Stem($e);
};
$q = isset($_GET['q']) ? $_GET['q'] : null;
$q = htmlentities($q);
$q = implode('+', array_map($stem, explode(' ', $q)));
header('Content-Type: application/json');
$output = array();
if ($q) {
$indexer = Lucene::open('../_index');
$search = new MultiSearcher(array($indexer));
$query = QueryParser::parse($q);
$result = $search->find($query);
foreach ($result as $hit) {
$title = strtolower(str_replace('-', ' ', $hit->name));
$resultUrl = '../' . $hit->fileName;
$output[] = array('href' => $resultUrl, 'name' => ucfirst($title), 'preview' => $query->htmlFragmentHighlightMatches(substr(preg_replace("/\\s+|{$title}/i", " ", $hit->body), 0, 300) . '...'));
}
}
echo json_encode($output);
public function search($query, $contexts = array())
{
$searcher = new Lucene\MultiSearcher();
foreach ($contexts as $indexName) {
$searcher->addIndex($this->getLuceneIndex($indexName));
}
$query = Lucene\Search\QueryParser::parse($query);
try {
$luceneHits = $searcher->find($query);
} catch (\RuntimeException $e) {
if (!preg_match('&non-wildcard characters&', $e->getMessage())) {
throw $e;
}
$luceneHits = array();
}
$hits = array();
foreach ($luceneHits as $luceneHit) {
/* @var Lucene\Search\QueryHit $luceneHit */
$luceneDocument = $luceneHit->getDocument();
$hit = new Hit();
$hit->setScore($luceneHit->score);
$hit->setHash($luceneDocument->getFieldValue(self::HASH_FIELDNAME));
foreach ($luceneDocument->getFieldNames() as $fieldName) {
$hit->addMetadata($fieldName, $luceneDocument->getFieldValue($fieldName));
}
$hits[] = $hit;
}
// The MultiSearcher does not support sorting, so we do it here.
usort($hits, function (HitInterface $documentA, HitInterface $documentB) {
if ($documentA->getScore() < $documentB->getScore()) {
return true;
}
return false;
});
return $hits;
}
