设计模式案例PPT（一）.ppt

P. Molli Design Patterns, Architectural Patterns Pascal Molli University Henri-Poincaré Pascal.Molli@loria.fr Bibliography… Patterns… Becoming a Chess Master Becoming a Software Designer Master Software Architecture Component Subsystems Architectural Patterns Design patterns Idioms Framework First Example Activity Diagram Analysis Diagram… Design Stage Layer Layer: examples Layer :Structure Layer: Structure Layer and components… Layers : Variants Layers : Known Uses Virtual machines: JVM and binary code format API : Layer that encapsulates lower layers Information System Presentation, Application logic, Domain Layer, Database Windows NT (relaxed for: kernel and IO and hardware) System services, Resource management (Object manager, security monitor, process manager, I/O manager, VM manager, LPC), Kernel (exception handling, interrupt, multipro synchro, threads), HAL (Hardware Abstraction Level) Hardware Layers: benefits Layers: Liabilities Applying Layer Architecture Package?decomposition Layer ??core?? Singleton (Idiom) Singleton Structure Core ??Layer??:1er diagramme Package?decomposition Observer Observer: Applicability Observer: Structure Observer: Consequences Applying Observer Pattern Observer View Views are graphical objects Setting up Observer Observer : Change Propagation Architecture en couche... Package?decomposition Pattern Factory Method Factory Method Structure Factory method Layer ??Persist?? Applying Factory Applying Factory Summary 1 Architectural pattern : Layer 2 Design Patterns : Observer, Factory 1 Idiom : Singleton Pb: Combining pattern to combine their forces… Bank example… Naive solution Naive Solution Applying Command Pattern… Command Example Command Example Command Structure Command Structure Command Consequences Applying Command Pattern Applying Command Pattern Composite Pattern Composite Example Composite Example Composite Structure Applying Composite on Command Applying Composite Applying Singleton And So on… Proxy Pattern Proxy Ex