Review:Modeling Convention for Subsystems and Interfaces <<subsystem>> CourseCatalogSystem ICourseCatalog System <<subsystem>>package <<subsystem proxy>>class Interfaces start with an "I" <<subsystem>> CourseCatalogSystem <<subsystem proxy>> ICourseCatalogSystem Interfaces are EXTERNAL to the subsystem. Object Oriented Analysis and Design 6
Object Oriented Analysis and Design 6 Review: Modeling Convention for Subsystems and Interfaces CourseCatalogSystem <<subsystem>> ICourseCatalogSystem ICourseCatalogSystem <<subsystem proxy>> CourseCatalogSystem Interfaces start with an “I” <<subsystem>> <<subsystem>> package <<subsystem proxy>> class Interfaces are EXTERNAL to the subsystem
Outline Distribute subsystem behavior to ◆ subsystem elements Document subsystem elements ◆ Describe subsystem dependencies Object Oriented Analysis and Design 7
Object Oriented Analysis and Design 7 Outline Distribute subsystem behavior to subsystem elements Document subsystem elements Describe subsystem dependencies
Outline Distribute subsystem behavior to subsystem elements Document subsystem elements ◆ Describe subsystem dependencies Object Oriented Analysis and Design 8
Object Oriented Analysis and Design 8 Outline Distribute subsystem behavior to subsystem elements Document subsystem elements Describe subsystem dependencies
Subsystem Responsibilities ◆ Subsystem responsibilities defined by interface operations Model interface realizations O Interface operations may be realized by Internal class operations Internal subsystem operations <<interface>> ICourseCatalogSystem <<subsystem>> CourseCatalogSystem getCourseOfferings() subsystem responsibility Object Oriented Analysis and Design 9
Object Oriented Analysis and Design 9 Subsystem responsibilities defined by interface operations ▪ Model interface realizations Interface operations may be realized by ▪ Internal class operations ▪ Internal subsystem operations CourseCatalogSystem ICourseCatalogSystem <<subsystem>> getCourseOfferings() <<interface>> subsystem responsibility Subsystem Responsibilities