zend_db_table setRowClass don't bind my custom class instead of Zend_Db_Table_Row

Question

In idea to write less I'm trying to extend default Zend ORM system. I mean if we get from Db some data via Zend_Db_Table we can later process this data using Zend_Db_Table_Rowset or Zend_Db_Table_Row classes. My idea is to use custom Factory class like this:

class Go_Factory {

    const PREFIX = 'mule_';

    /**
    * get from database item by specified primary key
    *
    */
    public static function get( $class_name, $identity ){
        return self::getDbTable( $class_name )->find( $identity );
    }

    /**
    * well, there is a corelation between class name and represented by it table name in DB
    * so let's get one from another
    * return instance of Zend_Db_Table with defined _name and _rowclass parameters and 
    */
    public static function getDbTable( $class_name ){
        $db_table_class = str_replace( "Model_", "Model_DbTable_", $class_name ) . "s";
        $row_class = class_exists( $class_name ) ? $class_name : "Core_Model_Item";

        if( !( class_exists( $db_table_class ) ) ){

            $temp = explode( "_", $class_name );
            $table_postfix = strtolower( preg_replace( '/([^A-Z])([A-Z])/', "$1_$2", $temp[ 2 ] ) );
            $table_name = Zend_Registry::get( 'prefix' ) . strtolower( $temp[ 0 ] ) . '_' . $table_postfix . 's';
            $db_table = new Zend_Db_Table( array( 'name' => $table_name ) );
            $db_table->setRowClass( $row_class );
            return $db_table;
        } else {
            return new $db_table_class();
        }
    }

}

The core of idea is to make my Factory look if requested class_name is defined and if it is not get Core_Model_Item as rowClass of instantiated Zend_Db_Table class. Surely Core_Model_Item extends Zend_Db_Table_Row class.

The line $db_table->setRowClass( $row_class ); doesn't take effect! I've tried to check if rowClass succesfully defined simply putting var_dump( $db_table->getRowClass() ); right after definition and it shows "" — nothing is set! And lately this brings me the next error:

Warning: include_once(.php) [function.include-once]: failed to open stream: ��� ������ ����� ��� �������� in /home/users2/n/newpanel/domains/newpanel.jino/library/Zend/Loader.php on line 146

Warning: include_once() [function.include]: Failed opening '.php' for inclusion (include_path='/home/users2/n/newpanel/domains/newpanel.jino/application/../library:/home/users2/n/newpanel/domains/newpanel.jino/library:.:/usr/local/zend/share/pear') in /home/users2/n/newpanel/domains/newpanel.jino/library/Zend/Loader.php on line 146

Fatal error: Uncaught exception 'Zend_Exception' with message 'File ".php" does not exist or class "" was not found in the file' in /home/users2/n/newpanel/domains/newpanel.jino/library/Zend/Loader.php:99 Stack trace: #0 /home/users2/n/newpanel/domains/newpanel.jino/library/Zend/Db/Table/Abstract.php(1357): Zend_Loader::loadClass('') #1 /home/users2/n/newpanel/domains/newpanel.jino/library/Go/Factory.php(30): Zend_Db_Table_Abstract->fetchAll(Object(Zend_Db_Table_Select)) #2 /home/users2/n/newpanel/domains/newpanel.jino/application/modules/core/plugins/Acl.php(22): Go_Factory::reference('User_Model_Role') #3 /home/users2/n/newpanel/domains/newpanel.jino/application/Bootstrap.php(28): Core_Plugin_Acl::getAcl() #4 /home/users2/n/newpanel/domains/newpanel.jino/library/Zend/Application/Bootstrap/BootstrapAbstract.php(667): Bootstrap->_initNavigation() #5 /home/users2/n/newpanel/domains/newpanel.jino/library/Zend/Application/Bootstrap/BootstrapAbstract.php(620): Zend_Application_Bootstrap_BootstrapAbstract->_executeResource('na in /home/users2/n/newpanel/domains/newpanel.jino/library/Zend/Loader.php on line 99

Please help me figure out if I do something wrong.

Yes Barry · Accepted Answer · 2011-11-11 22:22:49Z

1

The fatal error being thrown is due to the empty class being sent to the Zend_Loader. It looks like $db_table_class is resulting in an empty string, which would mean the $class_name argument is resulting as empty too. Check where you're calling Go_Factory::get(); and make sure your string there is not empty.

Also, you should change this:

if( !( class_exists( $db_table_class ) ) ){

to this:

if (!class_exists($db_table_class)) {

answered Nov 11, 2011 at 22:22

Yes Barry

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