Glue Class TDataSet

The main class supporting STAR framework is a TDataSet. It was developed in STAR with name StDataSet. Later accepted in ROOT as TDataSet. The class is simple, and very similar to UNIX directory/file system.
- Everything important for framework is inherited from TDataSet. Tables,StEvent,i/o branches and modules==makers are inherited from TDataSet.
- STAR framework structure is a TDataSet tree, where all framework objects are placed, in some specific order. This structure contains the data objects and the methods(makers) together;
- From the ROOT prompt, user can browse them and can invoke the methods of each object manually. It is very important for debugging and understanding the structure.

The main class supporting STAR framework is a TDataSet. It was developed in STAR with name StDataSet. Later accepted in ROOT as TDataSet. The class is simple, and very similar to UNIX directory/file system.