/**
* @return Search_Index_Interface
*/
function getIndex($indexType = 'data')
{
global $prefs, $tiki_p_admin;
$writeMode = false;
if ($indexType == 'data-write') {
$indexType = 'data';
$writeMode = true;
}
switch ($prefs['unified_engine']) {
case 'lucene':
Zend_Search_Lucene::setTermsPerQueryLimit($prefs['unified_lucene_terms_limit']);
$index = new Search_Lucene_Index($this->getIndexLocation($indexType), $prefs['language'], $prefs['unified_lucene_highlight'] == 'y');
$index->setCache(TikiLib::lib('cache'));
$index->setMaxResults($prefs['unified_lucene_max_result']);
$index->setResultSetLimit($prefs['unified_lucene_max_resultset_limit']);
return $index;
case 'elastic':
$index = $this->getIndexLocation($indexType);
if (empty($index)) {
break;
}
$connection = $this->getElasticConnection($writeMode);
$index = new Search_Elastic_Index($connection, $index);
$index->setCamelCaseEnabled($prefs['unified_elastic_camel_case'] == 'y');
$index->setFacetCount($prefs['search_facet_default_amount']);
return $index;
case 'mysql':
$index = $this->getIndexLocation($indexType);
if (empty($index)) {
break;
}
$index = new Search_MySql_Index(TikiDb::get(), $index);
return $index;
}
// Do nothing, provide a fake index.
$errlib = TikiLib::lib('errorreport');
if ($tiki_p_admin != 'y') {
$errlib->report(tr('Contact the site administrator. The index needs rebuilding.'));
} else {
$errlib->report('<a title="' . tr("Rebuild Search index") . '" href="tiki-admin.php?page=search&rebuild=now">' . tr("Click here to rebuild index") . '</a>');
}
return new Search_Index_Memory();
}
/**
* @return Search_Index_Lucene
*/
function getIndex()
{
global $prefs;
switch ($prefs['unified_engine']) {
case 'lucene':
Zend_Search_Lucene::setTermsPerQueryLimit($prefs['unified_lucene_terms_limit']);
$index = new Search_Index_Lucene($this->getIndexLocation(), $prefs['language'], $prefs['unified_lucene_highlight'] == 'y');
$index->setCache(TikiLib::lib('cache'));
$index->setMaxResults($prefs['unified_lucene_max_result']);
$index->setResultSetLimit($prefs['unified_lucene_max_resultset_limit']);
return $index;
case 'elastic':
if (empty($prefs['unified_elastic_index_current'])) {
return null;
}
$connection = $this->getElasticConnection();
$index = new Search_Elastic_Index($connection, $prefs['unified_elastic_index_current']);
return $index;
}
}
/**
* Instanciate the Lucene index
*
* The index will be created if it doesn't exist yet.
*
* @return \Zend_Search_Lucene_Interface Lucene index instance
* @throws Exception If the index cannot be created
*/
protected function _index()
{
// One-time instanciation or creation of the lucene index
if ($this->_index === null) {
// Try to instanciate an existing lucene index
try {
$this->_index = \Zend_Search_Lucene::open($this->_indexDirectory);
// If an error occurs ...
} catch (\Zend_Search_Lucene_Exception $e) {
// Try to create a new lucene index ...
try {
$this->_index = \Zend_Search_Lucene::create($this->_indexDirectory);
// If an error occurs: Failure
} catch (\Zend_Search_Lucene_Exception $e) {
throw new Exception(sprintf('Error creating lucene index in "%1$s", reason: "%2$s"', $this->_indexDirectory, $e->getMessage()));
}
}
// Index setup
\Zend_Search_Lucene_Storage_Directory_Filesystem::setDefaultFilePermissions(0664);
\Zend_Search_Lucene_Analysis_Analyzer::setDefault(new \Zend_Search_Lucene_Analysis_Analyzer_Common_Utf8Num_CaseInsensitive());
\Zend_Search_Lucene_Search_QueryParser::setDefaultEncoding('UTF-8');
// Minimize memory consumption
$this->_index->setMaxBufferedDocs(1);
// Set optimization frequency
$this->_index->setMergeFactor(max(1, intval($GLOBALS['TYPO3_CONF_VARS']['EXT']['extParams']['tw_lucenesearch']['mergeFactor'])));
// If applicable: Optimize index
if ($this->_indexOptimize) {
$this->_index->optimize();
}
$this->_index->commit();
if (TYPO3_MODE == 'FE') {
\Zend_Search_Lucene::setTermsPerQueryLimit(\Tollwerk\TwLucenesearch\Utility\Indexer::indexConfig($GLOBALS['TSFE'], 'search.limits.query'));
}
}
return $this->_index;
}
/**
*
* @throws nc_search_exception
*/
protected function open_index()
{
$path = $this->get_index_path();
try {
if ($this->index_exists($path)) {
$this->index = Zend_Search_Lucene::open($path);
} else {
$this->index = Zend_Search_Lucene::create($path);
}
} catch (Zend_Search_Lucene_Exception $e) {
throw new nc_search_exception("Cannot open Lucene index: {$e->getMessage()}");
}
$this->is_opened = true;
// apply settings to the index
Zend_Search_Lucene::setResultSetLimit($this->get_setting('ZendSearchLucene_ResultSetLimit'));
Zend_Search_Lucene::setTermsPerQueryLimit($this->get_setting('MaxTermsPerQuery'));
$settings = array('MaxBufferedDocs', 'MaxMergeDocs', 'MergeFactor');
foreach ($settings as $s) {
$setter = "set{$s}";
$this->index->{$setter}($this->get_setting("ZendSearchLucene_{$s}"));
}
// set analyzer
Zend_Search_Lucene_Analysis_Analyzer::setDefault(new nc_search_provider_zend_analyzer());
// set fuzzy prefix length so fuzzy searches will match a wider array of possibilities
Zend_Search_Lucene_Search_Query_Fuzzy::setDefaultPrefixLength(0);
// set wildcard prefix length so wildcards will match a wider array of possibilities
Zend_Search_Lucene_Search_Query_Wildcard::setMinPrefixLength(0);
/**
* @todo set default search fields
*/
}
function getIndex()
{
global $prefs;
if ($prefs['unified_engine'] == 'lucene') {
Zend_Search_Lucene::setTermsPerQueryLimit($prefs['unified_lucene_terms_limit']);
$index = new Search_Index_Lucene($this->getIndexLocation(), $prefs['language'], $prefs['unified_lucene_highlight'] == 'y');
$index->setCache(TikiLib::lib('cache'));
$index->setMaxResults($prefs['unified_lucene_max_result']);
$index->setResultSetLimit($prefs['unified_lucene_max_resultset_limit']);
return $index;
}
}
