3.18.3 Home Body

   (130) <home_body> ::= “{? <home_export>* “}?

   (131) <home_export ::= <export>| <factory_dcl> “;?| <finder_dcl> “;?

   3.18.3.1 Operation Declarations

   A home body may include zero or more operation declarations, where the operation may be a factory operation, a finder operation, or a normal operation or attribute.

   Factory operations

   The syntax of a factory operation is as follows:

   (132) <factory_dcl> ::= “factory? <identifier> “(“ [ <init_param_decls> ] “)? [ <raises_expr> ]

   A factor operation declaration consists of the following elements:

• the keyword factory

•an <identifier> that names the operation in the scope of the home declaration

• an optional list of initialization parameters (<init_param_decls>) enclosed in parentheses

• an optional <raises_expr> declaring exceptions that may be raised by the operation A factory declaration has an implicit return value of type reference to component.

   (133)