return parent::pkeyGetClass(get_called_class(), $kv);
}
+ static function pkeyCols()
+ {
+ return parent::pkeyColsClass(get_called_class());
+ }
+
/**
* Get multiple items from the database by key
*
return common_database_tablename($this->tableName());
}
+ /**
+ * Returns an object by looking at the primary key column(s).
+ *
+ * Will require all primary key columns to be defined in an associative array
+ * and ignore any keys which are not part of the primary key.
+ *
+ * Will NOT accept NULL values as part of primary key.
+ *
+ * @param array $vals Must match all primary key columns for the dataobject.
+ *
+ * @return Managed_DataObject of the get_called_class() type
+ * @throws NoResultException if no object with that primary key
+ */
+ static function getByPK(array $vals)
+ {
+ $classname = get_called_class();
+
+ $pkey = static::pkeyCols();
+ if (is_null($pkey)) {
+ throw new ServerException("Failed to get primary key columns for class '{$classname}'");
+ }
+
+ $object = new $classname();
+ foreach ($pkey as $col) {
+ if (!array_key_exists($col, $vals)) {
+ throw new ServerException("Missing primary key column '{$col}'");
+ } elseif (is_null($vals[$col])) {
+ throw new ServerException("NULL values not allowed in getByPK for column '{$col}'");
+ }
+ $object->$col = $vals[$col];
+ }
+ if (!$object->find(true)) {
+ throw new NoResultException($object);
+ }
+ return $object;
+ }
+
+ static function getByID($id)
+ {
+ if (empty($id)) {
+ throw new ServerException('Empty ID on lookup');
+ }
+ // getByPK throws exception if id is null
+ // or if the class does not have a single 'id' column as primary key
+ return static::getByPK(array('id' => $id));
+ }
+
/**
* Returns an ID, checked that it is set and reasonably valid
*
common_log_db_error($this, 'UPDATE', __FILE__);
// rollback as something bad occurred
$this->query('ROLLBACK');
- throw new ServerException("Could not UPDATE non-keys for {$this->__table}");
+ throw new ServerException("Could not UPDATE non-keys for {$this->tableName()}");
}
$orig->decache();
$this->encache();
common_log_db_error($this, 'UPDATE', __FILE__);
// rollback as something bad occurred
$this->query('ROLLBACK');
- throw new ServerException("Could not UPDATE key fields for {$this->__table}");
+ throw new ServerException("Could not UPDATE key fields for {$this->tableName()}");
}
// Update non-keys too, if the previous endeavour worked.
common_log_db_error($this, 'UPDATE', __FILE__);
// rollback as something bad occurred
$this->query('ROLLBACK');
- throw new ServerException("Could not UPDATE non-keys for {$this->__table}");
+ throw new ServerException("Could not UPDATE non-keys for {$this->tableName()}");
}
$orig->decache();
$this->encache();