WA1280 Architecting and Designing J2EE Applications Training and Courseware Course Outline

WA1280 Architecting and Designing J2EE Applications Training and Courseware Course Outline

1. Fundamental Architectural Concepts
	Topics What is Architecture? Architecture vs. Design Qualities of Service (QoS) Common Mechanisms Architectural Description What Architecture is Not The Need for Architecture (Cont…) The Architect Roles of the Architect Roles of the Architect (Cont…) Skills of the Architect

2. System Architecture Development Guidelines
	Topics Security Risks Security Risks (Cont...) Performance & Scalability Risks Availability & Complexity Risks Compatibility & Control Risks Network Considerations Latency and Bandwidth Minimize Number of Network Calls Minimize Network Call Size Firewall Navigation Firewall Navigation (Cont...) Secure Communication Distributed Object Technologies Distributed Object Technologies (Cont...) What is a Transaction? Bank Example Multiple Users Sharing Data ACID Properties of Transactions Architecture Reference Architecture Patterns Development Methodologies Open Standards Frameworks

3. The Software Development Process
	Topics Software Development Methodologies Waterfall Development Methodology Iterative Development Methodology Low Ceremony/High Ceremony Comparison of Some Software Methodologies Spirit of RUP: Well-Defined Software Engineering Two Dimensions of the RUP Process Dynamic Dimension of RUP: Lifecycle Phases & Milestone Static Dimension of RUP: Modeling Elements Static Dimension of RUP: Disciplines Spirit of RUP: Iterative & Risk-Driven Approach Inception Phase Inception Phase (Cont…) Elaboration Phase Elaboration Phase (Cont…) Develop Executable Architecture Construction Phase Construction Phase (Cont…) Transition Phase Transition Phase (Cont…)

4. Data Transfer, Transactions and Security in Distributed Computing
	Topics Data Transfer in Java Local Computing Data Transfer in Java Distributed Computing Comparing Data Transfer in Local and Distributed Computing Comparing Data Transfer in Local and Distributed Computing (Cont…) Transaction Participants Distributed Transactions Two-Phase Commit Transactions in J2EE Transactions with Many Resources JTA – Java Transaction API Client Tier Transactions Web Tier Transactions EJB Tier Transactions CMT Transaction Attributes Local Transactions Compensating Transactions Performance of Multiple Resource Managers Isolation Levels Isolation Levels (Cont…) Security Authentication Protection Domains Authentication in the Web Tier Authentication in the EJB Tier Component Identity Authentication to the EIS Tier Authorization Declarative Authorization Programmatic Authorization Authorization in the Web Tier Authorization in the EJB Tier Mapping the Security Model Message Protection Message Integrity Message Confidentiality Auditing

5. Optimizing for Scalability and Maintenance
	Topics What is Scalability? Capacity Planning Scalability in J2EE Architecture and Scalability Separate Web and EJB Servers Throttling Profiling and Monitoring Clustering Clustering (Cont…) Hardware, O/S, Network Use of EJBs SSL/TLS Web Sessions Clients Concurrency Control Technology Service Providers Maintenance Goals Java Service Provider Technologies JDBC JAXP JNDI

6. Quality of Service Requirements
	Topics What are Quality of Service Requirements? Qualities of Service and Design Quality of Service Inventory Performance Scalability Reliability Availability Extensibility Maintainability Manageability Security Cultural Adaptability Portability Testability Usability Upgradeability Recoverability Prioritizing Quality of Service Requirements Inspecting QoS Requirements for Trade-off Opportunities Quality of Service Reviews

7. Prototypes
	Topics What is a Prototype? Conceptual Prototypes Architectural Prototypes Advantages of Prototyping Advantages of Prototyping (Cont…) Deciding Whether to Build a Prototype or Not Prototypes and the Software Development Lifecycle Prototype Roles and Responsibilities Throw-away vs. Evolutionary Prototypes Spikes Testing a Prototype

8. J2EE Technology Servers
	Topics Server Types in J2EE J2EE Servers J2EE Servers (Cont…) J2EE Containers Enterprise Information Systems ERP Systems Mainframe Transaction Processing Systems Relational and Legacy Databases Legacy Integration Selecting a J2EE Server Selecting a J2EE Server (Cont…) Packaging and Deployment Definitions Roles and Responsibilities EJB Modules EJB Module Packaging EJB Module Recommendations Web Modules Web Module Recommendations Deployment Descriptors Deployment Descriptors (Cont…)

9. J2EE Technologies
	Topics Servlets Servlets do the following The Web Container Servlet API Session Management Servlet Thread Issues JSP (Java Server Pages) How JSPs Work JSP Elements Using JavaBeans in JSP Custom Tags Filters Filters and the Processing Pipeline Filter API Uses for Filters Event Listeners Event Listeners (Cont…) What are EJBs? Main Characteristics of EJBs EJB Architecture Components EJB Container EJB Container - Persistence EJB Container - Transactions Enterprise Java Beans Session Beans Entity Beans Message-Driven Beans EJB Classes and Interfaces EJB Container - Relationships How Remote EJBs Work Remote vs. Local EJBs Web Services Web Service Implementation in J2EE Web Service Deployment in J2EE JCA (J2EE Connector Architecture) Application Level Contract System Level Contracts

10. J2EE Technology Choices
	Topics Client Session State Client Managed State Web Tier Managed State EJB Tier Managed State Business Objects When to Use EJB When to Use Entity Beans CMP vs. BMP Client Types Web Browser Clients Java Clients Model View Controller Model View Controller in the Web-Tier Model View Controller in the Web-Tier (Cont…) Web Application Frameworks Web Presentation Layout Web Presentation Layout (Cont…) Java Presentation Layout Message-Oriented Middleware and JMS Messaging Domains Messaging Domains (Cont…) Characteristics of MOM Advantages of Asynchronous Communication (e.g. MOM) Advantages of Synchronous Communication (e.g. RMI/IIOP)

11. Requirements Workflow
	Topics Requirements Workflow What Is A Requirement? Requirements Gathering What Is Requirements Management? Requirements Management Timing of Requirements Workflow The Cost Of Requirement Errors The Game Plan Towards Building Quality Software Problem Analysis and Understanding User Needs Problem Analysis Steps Business Models Gather Requirements Interviewing Requirements Workshop Brainstorming Storyboarding Use Cases Prototyping Requirements and the Unified Process Recall: Inception Phase Example of Use Cases Recall: Elaboration Phase Example of a Use Case Diagram Delivery

12. Analysis Workflow
	Topics Analysis Workflow Motivation Analysis Deliverables Good Analysis Characteristics Analysis in the Rational Unified Process Analysis Workflow Steps Class Analysis What is an Analysis Class? Analysis Class Relationships Use Case Analysis Interaction Diagrams Example Analysis Sequence Diagram Example Analysis Collaboration Diagram Architectural Analysis Packages Package Practicality Example Package Diagram Post Analysis

13. Design Workflow
	Topics Analysis and Design Design Time Design in RUP Design vs. Analysis Model One Model Or Two? Design Workflow Design Classes Design Class Refinement Design Class Refinement Class Removal Refining Relationships Example Design Class Diagram Use Case Design Example Design Sequence Diagram Construction

14. Software Architecture
	Topics Architecture Description Architectural Views Architectural Views (Cont…) Subsystems Layers Example: Subsystems with Layers Components Decomposing the System Into Components Software Partitioning Strategies Software Partitioning Strategies (Cont…) Managing Dependencies Managing Dependencies (Cont…) Component Diagrams Component Diagrams (Cont…) Deployment Diagrams Deployment Diagrams (Cont…) Tiered Architectures Tiered Architectures (Cont…) Managing Complexity Evaluating the Architecture Evaluating the Architecture (Cont…)

15. J2EE Technology Patterns
	Topics Patterns Intercepting Filter Pattern Front Controller Pattern Command and Controller Strategy Advantages of command and controller strategy View Helper Pattern Composite View Pattern Solution 1 – use jsp:include Solution 2 – use Struts templates Solution 2 continued Business Delegate Pattern How Business Delegate Works Transfer Object Pattern Role of TO in MVC Composite Entity Pattern An example Class Diagram Transfer Object Assembler Pattern Value List Handler Pattern Design Considerations for Value List Handler Service Locator Pattern Data Access Object (DAO) Pattern DAO Implementation Guidelines Session Façade Pattern

WA1280 Architecting and Designing J2EE Applications Training and Courseware Course Outline

1. Fundamental Architectural Concepts

2. System Architecture Development Guidelines

3. The Software Development Process

4. Data Transfer, Transactions and Security in Distributed Computing

5. Optimizing for Scalability and Maintenance

6. Quality of Service Requirements

7. Prototypes

8. J2EE Technology Servers

9. J2EE Technologies

10. J2EE Technology Choices

11. Requirements Workflow

12. Analysis Workflow

13. Design Workflow

14. Software Architecture

15. J2EE Technology Patterns