Direct and Reverse mapping

[former_member205640]

Direct Mapping	Reverse Mapping
Please refer to picture 6.26.	Please refer to picture 6.28.
Component:	Component:
Y_EM_CONTEXT :	Y_EM_CONTEXT_RM :
1.  get records from Database	1.  get records from Database
2. doesn't contain any view	2. a view to embed interface view
3. define a node STUDENT with attribute	3. define usage of component Y_EM_LAYOUT_RM
Interface Node:  Yes (can access by other component)	4. define a InterfaceController_usage, mapping Student to that of  Y_EM_LAYOUT_RM.
Input Element:    NO (can't Input by other comp. )	5. In WDDOINIT, append some records to  Node STUDENT.
4. In WDDOINIT, append some records to  Node STUDENT.	Y_EM_LAYOUT_RM:
Y_EM_LAYOUT:	1. show records  in a table
1.  show records in a table	2. define a node STUDENT with attribute
2. define usage of  component Y_EM_CONTEXT	Interface Node:  Yes (can access by other component)
3. mapping the two STUDENT from Y_EM_CONTEXT and Y_EM_LAYOUT in tab  context.	Input Element:    Yes ( Input by Y_EM_CONTEXT_RM)