/**
* Initialize the Database Connections (instances of IfwPsn_Vendor_Zend_Db_Table_Abstract)
*
* @return IfwPsn_Vendor_Zend_Application_Resource_Multidb
*/
public function init()
{
$options = $this->getOptions();
if (isset($options['defaultMetadataCache'])) {
$this->_setDefaultMetadataCache($options['defaultMetadataCache']);
unset($options['defaultMetadataCache']);
}
foreach ($options as $id => $params) {
$adapter = $params['adapter'];
$default = (int) (isset($params['isDefaultTableAdapter']) && $params['isDefaultTableAdapter'] || isset($params['default']) && $params['default']);
unset($params['adapter'], $params['default'], $params['isDefaultTableAdapter']);
$this->_dbs[$id] = IfwPsn_Vendor_Zend_Db::factory($adapter, $params);
if ($default) {
$this->_setDefault($this->_dbs[$id]);
}
}
return $this;
}
/**
* Retrieve initialized DB connection
*
* @return null|IfwPsn_Vendor_Zend_Db_Adapter_Abstract
*/
public function getDbAdapter()
{
if (null === $this->_db && null !== ($adapter = $this->getAdapter())) {
$this->_db = IfwPsn_Vendor_Zend_Db::factory($adapter, $this->getParams());
if ($this->_db instanceof IfwPsn_Vendor_Zend_Db_Adapter_Abstract && $this->isDefaultTableAdapter()) {
IfwPsn_Vendor_Zend_Db_Table::setDefaultAdapter($this->_db);
}
}
return $this->_db;
}
