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implement Zend indexer as singleton in SeedDMS_Lucene_Indexer

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This commit is contained in:
Uwe Steinmann 2023-01-08 16:22:01 +01:00
parent 3cc7497863
commit 593792089f
1 changed files with 143 additions and 2 deletions
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145
SeedDMS_Lucene/Lucene/Indexer.php
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@ -29,10 +29,23 @@ class SeedDMS_Lucene_Indexer {
*/
protected $indexname;
/**
* @var string $index lucene index
* @access protected
*/
protected $index;
public function __construct($index) {
$this->index = $index;
}
static function open($conf) { /* {{{ */
try {
$index = Zend_Search_Lucene::open($conf['indexdir']);
return($index);
if($index)
return new self($index);
else
return null;
} catch (Exception $e) {
return null;
}
@ -41,7 +54,10 @@ class SeedDMS_Lucene_Indexer {
static function create($conf) { /* {{{ */
try {
$index = Zend_Search_Lucene::create($conf['indexdir']);
return($index);
if($index)
return new self($index);
else
return null;
} catch (Exception $e) {
return null;
}
@ -62,6 +78,131 @@ class SeedDMS_Lucene_Indexer {
Zend_Search_Lucene_Analysis_Analyzer::setDefault($analyzer);
} /* }}} */
/**
* Add document to index
*
* @param object $doc indexed document of class
* SeedDMS_Lucene_IndexedDocument
* @return boolean false in case of an error, otherwise true
*/
function addDocument($doc) { /* {{{ */
if(!$this->index)
return false;
return $this->index->addDocument($doc);
} /* }}} */
/**
* Remove document from index
*
* @param object $id internal id of document
* @return boolean false in case of an error, otherwise true
*/
public function delete($id) { /* {{{ */
if(!$this->index)
return false;
return $this->index->delete($id);
} /* }}} */
/**
* Check if document was deleted
*
* @param object $id internal id of document
* @return boolean true if document was deleted
*/
public function isDeleted($id) { /* {{{ */
if(!$this->index)
return false;
return $this->index->isDeleted($id);
} /* }}} */
/**
* Search in index
*
* @param string $query
* @return array result
*/
public function find($query) { /* {{{ */
if(!$this->index)
return false;
return $this->index->find($query);
} /* }}} */
/**
* Get a single document from index
*
* @param string $id id of document
* @return boolean false in case of an error, otherwise true
*/
public function findById($id) { /* {{{ */
if(!$this->index)
return false;
return $this->index->findById($id);
} /* }}} */
/**
* Get a single document from index
*
* @param integer $id id of index record
* @return boolean false in case of an error, otherwise true
*/
public function getDocument($id, $content=true) { /* {{{ */
if(!$this->index)
return false;
return $this->index->getDocument($id);
} /* }}} */
/**
* Return list of terms in index
*
* @return array list of Zend_Lucene_Term
*/
public function terms($prefix='', $col='') { /* {{{ */
if(!$this->index)
return false;
return $this->index->terms();
} /* }}} */
/**
* Return number of documents in index
*
* @return interger number of documents
*/
public function count() { /* {{{ */
if(!$this->index)
return false;
return $this->index->count();
} /* }}} */
/**
* Commit changes
*
* This function does nothing!
*/
function commit() { /* {{{ */
if(!$this->index)
return false;
return $this->index->commit();
} /* }}} */
/**
* Optimize index
*
* This function does nothing!
*/
function optimize() { /* {{{ */
if(!$this->index)
return false;
return $this->index->optimize();
} /* }}} */
}
?>