public function defineCriteriaAttributes()
{
return array('ownerId' => array(AttributeType::Number), 'draftId' => array(AttributeType::Number), 'editorId' => array(AttributeType::Number), 'publisherId' => array(AttributeType::Number), 'status' => array(AttributeType::String, 'default' => Workflow_SubmissionModel::PENDING), 'notes' => array(AttributeType::Mixed), 'dateApproved' => array(AttributeType::DateTime), 'dateRejected' => array(AttributeType::DateTime), 'dateRevoked' => array(AttributeType::DateTime), 'dateCreated' => array(AttributeType::DateTime), 'order' => array(AttributeType::String, 'default' => 'dateCreated desc'));
}