PPT-Decorator Pattern flyweight Pattern

Matt Klein Decorator Pattern Intent Attach Additional responsibilities to an object by dynamically Decorators provide a flexible alternative to subclassing for extending functionality AKA Wrapper. Decorators provide a flexible alternativ e to subclassing for extending functionality Toni Sellars Universitat de Girona Welcome to Starbuzz Coffee Because Starbuzz Coffee have grown so quickly they are scrambling to update their ordering system to [ Gamma et al] Flyweight pattern applies in situations when different identical objects have some common state that is shared among them. The state of flyweight objects is termed as intrinsic (common Pattern. flyweight Pattern. Matt Klein. Decorator Pattern. Intent. Attach Additional responsibilities to an object by dynamically. Decorators provide a flexible alternative to subclassing for extending functionality.. Implementing Decorators. CSC 313 – Advanced Programming Topics. Decorator Pattern Intent. Invisibly. . augment main concept instances. Turn . coffee. into a . double mocha with whip. Make . $2. sandwich . Chapter 5 (. Horstmann’s. Book). Patterns and GUI . Programming. Modified from slides by Dr. . Hwajung. Lee.. Pattern. A . pattern. is a description of . a problem and its solution. that you can apply to many. Phillip Shin. Overview. Problem. Solution. Example. Key points. Problem. Want to add responsibilities to individual objects, not entire class. Inheritance is inflexible. Would have to create class for every different combination of functionality. -Structural Patterns. WATTANAPONG. . SUTTAPAK. Software Engineering, . School of Information Communication Technology,. University of . PHAYAO. 1. จุดประสงค์การเรียนรู้. Ravi Nagendra, . Pramukh. . Bantwal. , . Jim Fawcett. Motivation – Battle of the Three Armies. Forces. We want to represent thousands of characters. Storing a unique object for each character will consume a lot of resources:. Cse. 776 design patterns. Summer ‘10. Bharath. . setty. D. r. . James . fawcett. “Use sharing to support large numbers of fine-grained objects efficiently.”. One object instance holding shared (intrinsic) state. Interfaces and Encapsulation, Continued. Kirk Scott. Corbel. From Wikipedia, the free . encyclopedia. Jump to: . navigation. , . search. . For other uses, see . Corbel (disambiguation. ). .. In . architecture. Can you say “composition” and “delegation”? . Again???. 2. Decorator Pattern - Problem. Want to allow . adding new behaviors . to an object . without modifying. class. Coffee condiments example is great. Kirk Scott. Corbel. From Wikipedia, the free . encyclopedia. Jump to: . navigation. , . search. . For other uses, see . Corbel (disambiguation. ). .. In . architecture. a . corbel. (or . console. ) is a piece of masonry jutting out of a wall to carry any . Cse. 776 design patterns. Summer ‘10. Bharath. . setty. D. r. . James . fawcett. “Use sharing to support large numbers of fine-grained objects efficiently.”. One object instance holding shared (intrinsic) state. Pattern Overview. The Decorator pattern provides a flexible alternative to . subclassing. by attaching additional responsibilities to an object dynamically, by using an instance of a subclass of the original class that delegates operations to the original .