PPT-Command Pattern

Jim Fawcett CSE776 Design Patterns Fall 2014 Command Pattern Intent A command encapsulates a request as an object A reference to the command is given to an invoker for later invocation Intent. Dr. Douglas C. Schmidt. . d.schmidt@vanderbilt.edu. www.dre.vanderbilt.edu. /~. schmidt. . Professor of EECS Vanderbilt University Nashville, Tennessee. Goals of this Presentation. Show . by example . Advanced Command patterns. Computer Science 313 – Advanced Programming Topics. Command Pattern Intent. Decouples action invocation. from its execution. Write classes . independent of operation executed. BY. VEDASHREE GOVINDA GOWDA. MEDIATOR Design PATTERN . Mediator pattern comes under behavioral pattern. It . acts as a medium for . communication in between two . classes and defines . an object that controls how a set of objects interact.. Behavioral patterns are patterns whose purpose is to facilitate the . work of algorithmic calculations . and . communication between classes.. They use. inheritance . to control code flow. . They . define and . Advanced Command patterns. Computer Science 313 – Advanced Programming Topics. Command Pattern Intent. Decouples action invocation. from its execution. Write classes . independent of operation executed. Rick Mercer. Command Design Pattern. The Command Pattern encapsulates a request as an object, thereby letting you . queue . commands, send commands over the . internet, support . undo and . redo, have listeners wait to execute their code, …. Jim Fawcett. CSE776 – Design Patterns. Fall 2014. Command Pattern Intent. A command encapsulates a request as an object. A reference to the command is given to an invoker for later invocation.. Intent:. command : . TA0CTL |= (MC_1 | TACLR. );. CCRx-2. CCRx-1. 0. 2. ACLK. (32.768kHz). Timer count. (ex. TA0R). Interrupt. CCRx. Interrupt. Timer. Clear. 1. Case . D. : Pattern . 2. Timer is cleared in B duration . The . First Command. What can we learn about The Lawgiver from the laws He gives?. What are the characteristics of His Person found in His laws?. Are there patterns in His laws that can serve as guidelines for my life?. Senior Officials. Objectives (1 of 2). Describe the Incident Command System (ICS).. Describe the various ways ICS can be applied.. Define the role of an Executive/Senior Official relative to the ICS. . Permissions. Prepared by Dr. Reyes, New York City College of Technology. Ownership. Files permissions are divided in three levels: owner, group, everybody. ls. -l. id -. command used to find out information about your identity. Archiving And Backup. Prepared by Dr. Reyes, New York City College of Technology. gzip. . Command. gzip. – command used to compress one or more files. Example:. gunzip. . Command. gunzip. – command used to decompress files. Representation. Chumphol Bunkhumpornpat, Ph.D.. Department of Computer Science. Faculty of Science. Chiang Mai University. Learning Objectives. KDD Process. Know that patterns can be represented as. Vectors. Bruce Eckel. http://www.mindview.net/Books/TIPatterns/. Design Patterns Classification. Creational Design Patterns. Structural Design Patterns. Behavioral Design Patterns. Creational Design Patterns.