/**
* The One True Thingy that must be defined and declared.
*/
- public static abstract function schemaDef();
+ public static function schemaDef()
+ {
+ throw new MethodNotImplementedException(__METHOD__);
+ }
/**
* Get an instance by key
* @return get_called_class() object if found, or null for no hits
*
*/
- static function pkeyGet($kv)
+ static function pkeyGet(array $kv)
{
return parent::pkeyGetClass(get_called_class(), $kv);
}
+ /**
+ * Get multiple items from the database by key
+ *
+ * @param string $keyCol name of column for key
+ * @param array $keyVals key values to fetch
+ * @param boolean $skipNulls return only non-null results?
+ *
+ * @return array Array of objects, in order
+ */
+ static function multiGet($keyCol, array $keyVals, $skipNulls=true)
+ {
+ return parent::multiGetClass(get_called_class(), $keyCol, $keyVals, $skipNulls);
+ }
+
/**
* Get multiple items from the database by key
*
* Get a multi-instance object
*
* This is a utility method to get multiple instances with a given set of
+ * values for a specific column.
+ *
+ * @param string $keyCol key column name
+ * @param array $keyVals array of key values
+ *
+ * @return get_called_class() object with multiple instances if found,
+ * Exception is thrown when no entries are found.
+ *
+ */
+ static function listFind($keyCol, array $keyVals)
+ {
+ return parent::listFindClass(get_called_class(), $keyCol, $keyVals);
+ }
+
+ /**
+ * Get a multi-instance object separated into an array
+ *
+ * This is a utility method to get multiple instances with a given set of
* values for a specific key column. Usually used for the primary key when
- * multiple values are desired.
+ * multiple values are desired. Result is an array.
*
- * @param array $keyCol key column name
- * @param array $keyVals array of key values
+ * @param string $keyCol key column name
+ * @param array $keyVals array of key values
*
- * @return get_called_class() object with multiple instances if found, or null for no hits
+ * @return array with an get_called_class() object for each $keyVals entry
*
*/
- static function listGet($keyCol, $keyVals)
+ static function listGet($keyCol, array $keyVals)
{
return parent::listGetClass(get_called_class(), $keyCol, $keyVals);
}
* @access public
* @return array (associative)
*/
- function table()
+ public function table()
{
$table = static::schemaDef();
return array_map(array($this, 'columnBitmap'), $table['fields']);
function sequenceKey()
{
- $table = call_user_func(array(get_class($this), 'schemaDef'));
+ $table = static::schemaDef();
foreach ($table['fields'] as $name => $column) {
if ($column['type'] == 'serial') {
// We have a serial/autoincrement column.
function keyTypes()
{
- $table = call_user_func(array(get_class($this), 'schemaDef'));
+ $table = static::schemaDef();
$keys = array();
if (!empty($table['unique keys'])) {
{
$links = array();
- $table = call_user_func(array(get_class($this), 'schemaDef'));
+ $table = static::schemaDef();
foreach ($table['foreign keys'] as $keyname => $keydef) {
if (count($keydef) == 2 && is_string($keydef[0]) && is_array($keydef[1]) && count($keydef[1]) == 1) {
*/
function _allCacheKeys()
{
- $table = call_user_func(array(get_class($this), 'schemaDef'));
+ $table = static::schemaDef();
$ckeys = array();
if (!empty($table['unique keys'])) {
}
return $ckeys;
}
+
+ /**
+ * Returns an ID, checked that it is set and reasonably valid
+ *
+ * If this dataobject uses a special id field (not 'id'), just
+ * implement your ID getting method in the child class.
+ *
+ * @return int ID of dataobject
+ * @throws Exception (when ID is not available or not set yet)
+ */
+ public function getID()
+ {
+ // FIXME: Make these exceptions more specific (their own classes)
+ if (!isset($this->id)) {
+ throw new Exception('No ID set.');
+ } elseif (empty($this->id)) {
+ throw new Exception('Empty ID for object! (not inserted yet?).');
+ }
+
+ // FIXME: How about forcing to return an int? Or will that overflow eventually?
+ return $this->id;
+ }
}