/**
* Constructor.
* <pre>Configuration options are:
* - datasource : Data source configuration, passed to GetDataSource.
* - storage-method : Storage method configuration, passed to
* GetStorageMethod.
* - create-on-save : indicates that the object should be created in the
* data source if it doesn't already exist.
* </pre>
* @param mixed $config Configuration data for this persistent object.
* @param mixed $initialData Core object or array with initial data.
* If $initialData is atomic, and a single identifier (i.e. primary
* key) is defined by the storage method for the default data souce,
* then this data is routed to be associated with the field
* corresponding to that identifier rather than becoming the core
* object itself.
*/
function ChunsuObject(&$config, &$initialData)
{
// there is too much stuff inside of a chunsu object that might get
// clobbered, so ensure that the core is not null.
// TODO: ??? if ( $initialData == NULL ) $initialData = array();
$this->AtsumiObject($initialData);
$this->config =& GetConfiguration($config);
$this->datasource =& GetDataSource($this->config->get('datasource'));
$this->storage_method =& GetStorageMethod($this, $this->config->get('storage-method'));
$this->is_loaded = FALSE;
$this->is_new = $this->config->get('create-on-save');
$this->changeset = NULL;
}
/**
* Get all of the configured data sources.
* @return Configuration All configured data sources.
*/
function &GetDataSources()
{
global $CONFIGURED_DATASOURCES;
if (is_null($CONFIGURED_DATASOURCES)) {
$CONFIGURED_DATASOURCES = GetConfiguration();
}
return $CONFIGURED_DATASOURCES;
}
/**
* Get all of the configured storage methods .
* @param string $pclass Persistent object class.
* @return Configuration All configured data sources.
*/
function &GetStorageMethods($pclass)
{
global $CONFIGURED_STORAGEMETHODS;
$pclass = strtolower($pclass);
if (!class_exists($pclass)) {
if (IsLogEnabled('WARN')) {
LogWarning("Persistent object class {$pclass} does not exist");
}
}
if (is_null($CONFIGURED_STORAGEMETHODS)) {
$CONFIGURED_STORAGEMETHODS = GetConfiguration();
}
if (!$CONFIGURED_STORAGEMETHODS->has($pclass)) {
$CONFIGURED_STORAGEMETHODS->set(GetConfiguration(), $pclass);
}
return $CONFIGURED_STORAGEMETHODS->get($pclass);
}