Craft:Record:getInstance

craftrecord.php

<?php
namespace Craft;

class Plugin_BaseRecord extends BaseRecord
{
	public static function getInstance(BaseModel $model=null)
	{
		$record	= get_called_class();
		$record	= new $record;

		if ($model) {
			$props = $model->getAttributes();

			if ($props && count($props)) {
				foreach ($props as $prop => $value) {
					$record->$prop = $value;
				}
			}
		}

		return $record;
	}
}

// Elsewhere in your service layer
$record = Plugin_Record::getInstance($model);