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<?php /** * @copyright NetMonsters <team@netmonsters.ru> * @link http://netmonsters.ru * @package Majestic * @subpackage db * @since 2011-11-15 */
class MongoCommandBuilder {
const FIND = 'Find';
const INSERT = 'Insert';
const UPDATE = 'Update';
const REMOVE = 'Remove';
const COMMAND = 'Command';
static public function factory($type, $collection = null) { $class = ucfirst($type) . 'MongoCommand'; $command = new $class(); $command->setCollection($collection); return $command; } }
abstract class MongoDbCommand { protected $collection;
public function execute() { if ($this->checkParams()) { return $this->concreteExecute(); } else { throw new Exception(get_called_class() . ' error. Bind all required params first.'); } }
public function bindParam($name, $value) { if (property_exists($this, $name)) { $this->$name = $value; } return $this; }
public function setCollection($collection) { $this->collection = $collection; return $this; }
abstract protected function concreteExecute();
abstract protected function checkParams();
/** * @TODO: implement method in subclasses for Profiler */ public function __toString() { return get_called_class(); } }
class FindMongoCommand extends MongoDbCommand { protected $condition;
protected $fields;
protected $multiple = true;
protected function concreteExecute() { if($this->multiple) { return $this->collection->find($this->condition, $this->fields); } else { return $this->collection->findOne($this->condition, $this->fields); } }
protected function checkParams() { if (isset($this->collection) && isset($this->condition) && isset($this->fields)) { return true; } else { return false; } } }
class InsertMongoCommand extends MongoDbCommand { protected $data;
protected $safe = true;
protected $insertId = false;
protected function concreteExecute() { $result = $this->collection->insert($this->data, array('safe' => $this->safe)); $this->insertId = $this->data['_id']; return $result; }
protected function checkParams() { if (isset($this->collection) && isset($this->data) && isset($this->safe)) { return true; } else { return false; } }
public function getInsertId() { return $this->insertId; } }
class UpdateMongoCommand extends MongoDbCommand { protected $condition;
protected $data;
protected $multiple = true;
protected $upsert = false;
protected $safe = true;
protected function concreteExecute() { return $this->collection->update($this->condition, $this->data, array('multiple' => $this->multiple, 'upsert' => $this->upsert, 'safe' => $this->safe)); }
protected function checkParams() { if (isset($this->collection) && isset($this->condition) && isset($this->data) && isset($this->upsert) && isset($this->safe) ) { return true; } else { return false; } } }
class RemoveMongoCommand extends MongoDbCommand { protected $condition;
protected $safe = true;
protected function concreteExecute() { return $this->collection->remove($this->condition, array('safe' => $this->safe)); }
protected function checkParams() { if (isset($this->collection) && isset($this->condition) && isset($this->safe)) { return true; } else { return false; } } }
class CommandMongoCommand extends MongoDbCommand { protected $command;
protected function concreteExecute() { $db = $this->collection->db; if($db instanceof MongoDB) { return $db->command($this->command); } else { return false; } }
protected function checkParams() { if (isset($this->collection) && isset($this->command)) { return true; } else { return false; } } }
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