function __construct($name, ModelReference $reference)
{
$this->name = $name;
$this->table_name = $reference->getModel()->getTableName();
$this->column = $reference->getColumn()->getName();
$this->update = $reference->getUpdate();
$this->delete = $reference->getDelete();
}
/**
* @return null
*/
protected function getReference()
{
if ($this->connection && !$this->reference) {
$reference = null;
// create reference
if ($model_name = ModelManager::find($this->connection->getTargetName())) {
$model = new $model_name();
$column_name = $this->connection->getTargetColumn();
if ($model && $model->isExists($column_name)) {
$column = $model->getColumn($column_name);
$reference = new ModelReference($model, $column);
if ($this->connection->getDelete()) {
$reference->setDelete($this->connection->getDelete());
}
if ($this->connection->getUpdate()) {
$reference->setUpdate($this->connection->getUpdate());
}
$this->reference = $reference;
} else {
throw new \Exception('not found connection target paramater.column name is "' . $this->connection->getTargetName() . '"');
}
} else {
throw new \Exception('not found connection target paramater.column name is "' . $this->connection->getTargetName() . '"');
}
}
return $this->reference;
}