/**
* Constructor. Creates an abstraction layer for an MgdSchema object.
*/
public function __construct($id = null)
{
if (is_object($id)) {
$this->__object = midcom::get('dbfactory')->convert_midcom_to_midgard($id);
} else {
if (is_string($id) && strlen($id) == 1) {
debug_add('Constructing ' . $this->__mgdschema_class_name__ . ' object ' . $id . ' with ID typecast to string. Changing typecast.', MIDCOM_LOG_INFO);
$id = (int) $id;
}
if (is_int($id) && $id < 1) {
throw new midcom_error($id . ' is not a valid database ID');
}
try {
$mgdschemaclass = $this->__mgdschema_class_name__;
$this->__object = new $mgdschemaclass($id);
} catch (midgard_error_exception $e) {
debug_add('Constructing ' . $this->__mgdschema_class_name__ . ' object ' . $id . ' failed, reason: ' . $e->getMessage(), MIDCOM_LOG_WARN);
throw new midcom_error_midgard($e, $id);
}
//Some useful information for performance tuning
if ($GLOBALS['midcom_config']['log_level'] >= MIDCOM_LOG_DEBUG && $this->__object->guid) {
static $guids = array();
static $total = 0;
$total++;
//If the GUID was loaded already, write the appropriate log entry
if (array_key_exists($this->__object->guid, $guids)) {
$guids[$this->__object->guid]++;
$message = $this->__mgdschema_class_name__ . ' ' . $this->__object->guid;
$message .= ' loaded from db ' . $guids[$this->__object->guid] . ' times.';
$stats = 'Objects loaded (Total/Unique): ' . $total . '/' . sizeof($guids);
debug_add($message);
debug_add($stats);
} else {
$guids[$this->__object->guid] = 1;
}
}
}
if ($this->__object->guid && mgd_is_guid($this->__object->guid)) {
midcom_baseclasses_core_dbobject::post_db_load_checks($this);
}
}
