Review

Develop Your First Java Application in 20 Minutes › Review

Review

In this chapter, you have done the following:

Learned how to use the Model Editor to add triples
Inherited from pattern library objects to define fields, and data access and user interface functions
Generated and built the Project entity’s database table and the inherited functions, and added some sample data
Used the Panel Designer to modify the inherited panel layout
Regenerated and rebuilt the affected objects to see your changes

This chapter introduced the following patterns (and their scoped objects):

	Pattern	Description
	FIELDS/Identifier	A 10-character data field.
	FIELDS/ShortDescription	A character field with a length of 20.
	DATE/CheckedDateISO	A date field, where the date is stored in the ISO standard for dates. Verifies that dates entered are valid.
	FOUNDATION/EditDetail	Lists database records and lets you edit, add, change, and delete records in a single dialog.

This chapter introduced the following triples:

Triple	Description
ENT known by FLD	Defines the primary key of an entity
ENT has FLD ...optionality SYS	Defines a data attribute of an entity and whether it is mandatory or optional to provide a value for a field
ENT is a ENT	The source entity inherits the properties of the target entity
FLD is a FLD	The source field inherits the properties of the target field
TBL implement SYS	Specifies whether to generate and build a database table

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