Mapping between layers
- Two key schema properties we will exploit:
- Type-annotation of infosets;
- User-annotation of type definition and element/attribute declaration
- We can
think of what we're mapping to in two ways
- In terms of abstract data modelling
languages
- In concrete implementation terms
- Tables
and rows
- Class
instances and instance variables
- The
first is more portable
- The
second more immediately useful