protected function load($tableName)
{
$file = $this->cachedName($tableName);
if (false !== $file) {
if (!is_file($file) or !$this->debug) {
$table = $this->driver->describeTable($tableName);
$this->writeCacheFile($file, serialize($table));
}
$table = unserialize(file_get_contents($file));
} else {
$table = $this->driver->describeTable($tableName);
}
return $table;
}
protected function update(Table $table, $object, $pk)
{
$event = new UpdateEvent($object, array(), array());
$this->dispatcher->dispatch(Events::PRE_UPDATE, $event);
if ($event->isStopped()) {
return;
}
$values = ModelUtil::getValues($table, $object);
$where = "{$table->primaryKey} = ?";
$originals = $this->find(get_class($object), $pk, PDO::FETCH_ASSOC);
foreach ($originals as $column => $value) {
if (array_key_exists($column, $values) and $value === $values[$column]) {
unset($values[$column]);
}
}
if (count($values)) {
$event = new UpdateEvent($object, $values, $originals);
$this->dispatcher->dispatch(Events::UPDATE, $event);
if ($event->isStopped()) {
return;
}
$this->driver->update($table->name, $values, $where, array($pk));
$this->dispatcher->dispatch(Events::POST_UPDATE, $event);
}
}
