function __construct($args = array())
{
$args = array_merge(array('depth' => 'questionnaire'), $args);
if (!isset(self::$questionnaireTable)) {
self::$questionnaireTable = QFrame_Db_Table::getTable('questionnaire');
}
if (!isset(self::$instanceTable)) {
self::$instanceTable = QFrame_Db_Table::getTable('instance');
}
if (isset($args['questionnaireID'])) {
$where = self::$questionnaireTable->getAdapter()->quoteInto('questionnaireID = ?', intVal($args['questionnaireID']));
$this->questionnaireRow = self::$questionnaireTable->fetchRow($where);
} elseif (isset($args['questionnaireName']) && isset($args['questionnaireVersion']) && isset($args['revision'])) {
$adapter = self::$questionnaireTable->getAdapter();
$where = $adapter->quoteInto('questionnaireName = ?', $args['questionnaireName']) . ' AND ' . $adapter->quoteInto('questionnaireVersion = ?', $args['questionnaireVersion']) . ' AND ' . $adapter->quoteInto('revision = ?', $args['revision']);
$this->questionnaireRow = self::$questionnaireTable->fetchRow($where);
} else {
throw new InvalidArgumentException('Missing arguments to QuestionnaireModel constructor');
}
// questionnaire row assertion
if ($this->questionnaireRow === NULL) {
throw new Exception('Questionnaire not found');
}
if ($args['depth'] !== 'questionnaire') {
$this->depth = $args['depth'];
$this->_loadInstances();
}
}
