The actual client object.
The actual client object. This could be a database connection or any kind of database access object.
Configuration of the StorageClient
Set a prefix for storage class discovery.
Set a prefix for storage class discovery. As an example, if this prefix is set as JDBC, when the storage layer instantiates an implementation of Apps, it will try to look for a class named JDBCApps.
:: DeveloperApi :: Any storage backend drivers will need to implement this trait with exactly StorageClient as the class name. PredictionIO storage layer will look for this class when it instantiates the actual backend for use by higher level storage access APIs.