SERVICE-ORIENTED COMPUTING

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1 THIRD EDITION (REVISED PRINTING) SERVICE-ORIENTED COMPUTING AND WEB SOFTWARE INTEGRATION FROM PRINCIPLES TO DEVELOPMENT YINONG CHEN AND WEI-TEK TSAI

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3 Table of Contents Preface (This Edition)...xii Preface (First Edition)...xv Part I Chapter 1 Distributed Service-Oriented Software Development and Web Data Management...1 Introduction to Distributed Service-Oriented Computing Computer Architecture and Computing Paradigms Computer Architecture Software Architecture Computing Paradigms Distributed Computing and Distributed Software Architecture Distributed Computing N-Tier Architecture Distributed Object Architecture Service-Oriented Architecture and Computing Basic Concepts and Terminologies Service-Oriented Computing Object-Oriented Computing versus Service-Oriented Computing Service-Oriented System Engineering Service-Oriented Software Development and Applications Traditional Software Development Processes Service-Oriented Software Development Applications of Service-Oriented Computing Web Application Composition Enterprise Software Development Discussions Exercises and Projects...33 Chapter 2 Distributed Computing with Multithreading Introduction to C# and.net Getting Started with C# and.net Comparison between C++ and C# Namespaces and the using Directive Class and Object in C# Parameters: Passing by Reference with ref & out Base Class and Base Calling Class Constructor Constructor, Destructor, and Garbage Collection Pointers in C# C# Unified Type System Memory Management and Garbage Collection Static Variables and Static Methods Runtime Stack for Local Variables Heap for Dynamic Memory Allocation Scope and Garbage Collection...56 iii

4 2.3 General Issues in Multitasking and Multithreading Basic Requirements Critical Operations and Synchronization Deadlock and Deadlock Resolving Order of Execution Operating System Support for Multitasking and Multithreading Multithreading in Java Creating and Starting Threads Thread Synchronization Synchronized Method Synchronized Statements Multithreading in C# Thread Classes and Properties Monitor Reader and Writer Locks Mutexes Semaphore Coordination Event Exception Handling and Event-Driven Programming Exception Handling Event-Driven Programming Case Study: An Electronic Commerce Application in Event-Driven Approach Discussions Exercises and Projects Chapter 3 Essentials in Service-Oriented Software Development Service-Oriented Software Development Environments Overview Windows Communication Foundation WCF Service Interface: Address, Binding, and Contract Service Provider: Creating and Hosting Services Getting Started with Developing WCF Services Hosting Your Web Services as a Service Provider Service Brokers: Publishing and Discovering Services An Ideal Service Broker with All Desired Features UDDI Service Registry ebxml Service Registry and Repository Ad Hoc Registry Lists SOAP and HTTP SOAP Format HTTP SOAP Over HTTP WSDL: Web Services Description Language Elements of WSDL Documents WSDL Document Example Service Requesters: Building Applications Using Services Connecting Endpoint and Proxy Creating a Windows Forms Application in ASP.Net Developing a Web Site Application to Consume WCF Services Consuming Services in Different Platform iv

5 3.7 Web Service Testing and Dynamic Service Invocation Get Web Content from URL Analyze WSDL Document Test Web Service Java-Based Web Service Development Web Application Building Using AJAX programming Java-Based Web Service Development and Hosting Discussions Exercises and Projects Chapter 4 XML Data Representation and Processing XML Fundamentals XML versus HTML XML Syntax XML Namespaces XML Data Processing DOM: Document Object Model SAX: Simple API for XML XML Text Writer XML Processing in Java XPath XML Type Definition Languages XML Document Type Definition (DTD) XML Schema Namespace XML Validation Extensible Stylesheet Language Other Web Data Formats XHTML RSS Atom Google Protocol Buffers and BigTable Discussions Exercises and Projects Chapter 5 Web Application and Data Management Models of Web Applications Pure HTML-based Web Application Client-Side Scripting Server-Side Scripting and Code-Behind Page Computing Client-Side Out-Of-Browser Computing Structure of Web Applications Components of Web Applications Server Controls User Controls Web Application Configuration Global Application Class Dynamic Link Library v

6 5.3 State Management Overview of State Management Techniques View State Session State Session State and Cookies Application State and Service Execution Model Save User Data to Server File System File System and Standard File Operations Reading and Writing XML Files Caching Output Caching Fragment Caching Data Caching Dynamic Graphics Design and Generation Dynamic Graphics Getting Started with Dynamic Graphics Generation Generating Dynamic Graphics in User Control Architecture Design ASP.Net Forms-Centric Architecture ASP.Net MVC Architecture Discussions Exercises and Projects Chapter 6 Dependability of Service-Oriented Software Basic Concepts Dependability Dependability Attributes and Quality of Service Security Issues in SOA Software Access Control in Web Applications IIS and Windows-Based Security Mechanisms Forms-Based Security User Registration and Account Management Encryption and Decryption Developing Encryption and Decryption Service in WCF WCF Service Client Secure Sockets Layer Cryptographic Protocols Dependable Computing in Windows Communication Foundation WS-Security WS-Reliability Transactions Discussions Exercises and Projects Part II Advanced Service-Oriented Computing and System Integration Chapter 7 Advanced Services and Architecture-Driven Application Development Self-Hosting Services Developing Self-Hosting WCF Services Developing Clients to Consume Self-Hosting Services vi

7 7.2 Advanced WCF Services Advanced Communication Models Advanced Bindings Service Behavior and State Management REST Concept and RESTful Services REST Concept and REST Architecture RESTful Services Two Ways of Developing RESTful Service Developing an Image Verifier in RESTful Service Consuming RESTful Service Workflow Foundation Architecture and Components Creating a WF Flowchart Application Creating Custom Code Activity for Workflow Application Implementing Finite State Machine in Workflow Creating Workflow Service Discussions Exercises and Projects Chapter 8 Enterprise Software Development and Integration Overview of Composition Languages BPEL BPEL Activities and Constructs BPEL Process WSDL Interface Definition of BPEL Process BPEL Process An Example Invoking Real Web Services Stateless versus Stateful Web Services BizTalk s Singleton Object Approach BPEL s Correlation Approach Frameworks Supporting BPEL Composition Oracle SOA Suite ActiveBPEL BizTalk Message-Based Integration Java Message Service Microsoft Message Queue Database-Supported Messaging Enterprise Service Bus Mashup for Web Application Integration Other Composition Languages OWL-S SCA/SDO WSFL: Web Services Flow Language Discussions Exercises and Projects Chapter 9 Internet of Things and Robot as a Service vii

8 9.1 Internet of Things Service-Oriented Robotics Computing Event-Driven Robotics Applications Robot as a Service Robot as a Service Design Robot as a Service Implementation Robotics Developer Studio and Visual Programming Language Simulating an ALU Using VPL Logic Design of an Arithmetic and Logic Unit Creating VPL Activities VPL Diagram and Testing Finite State Machine and VPL Diagram Developing Service-Oriented Robotics Applications Service Repository in Robotics Developer Studio Sensor Service Maze Navigation Algorithms Implementing a Heuristic Maze Navigation Algorithm Implementing a Wall-Following Maze Navigation Algorithm Mapping VPL to Other Platforms Discussions Exercises and Projects Chapter 10 Interfacing Service-Oriented Software with Databases Databases in Service-Oriented Software Relational Databases in Service-Oriented Software Interface between Database and Software SQL Database in ADO.Net DataAdapter and DataSet in ADO.Net WCF RIA Service XML-Based Database and Query Language XQuery Expressing Queries Transforming XML Document XQuery Discussions LINQ, Language Integrated Query What is the Purpose of LINQ? Lambda Expressions LINQ to Object LINQ to SQL LINQ to XML Discussions Exercises and Projects Chapter 11 Ontology and Semantic Web Semantic Web and Ontology Ontology Languages RDF and RDF Schema RDF viii

9 RDF Schema Reasoning and Verification in Ontology OWL: Web Ontology Language From RDF to OWL The OWL Class and Property Boolean Combinations of Classes Property Restrictions Synopsis of OWL Lite, DL, and Full Linked Data Ontology Development Environments Discussions Exercises and Projects Chapter 12 Service-Oriented Application Architecture Introduction Application Architectures Dynamic Architecture via Dynamic Composition Dynamic Re-Composition Lifecycle Management Embedded in Operation Infrastructure Examples of Service-Oriented Application Architectures IBM WebSphere Architecture Enterprise Service Bus SAP NetWeaver User-Centric Service Oriented Architecture Discussions Exercises and Projects Chapter 13 A Mini Walkthrough of Service-Oriented Software Development Introduction Sample Domain Model Ontology Systems Published Services Published Workflows Shipping Domain Collaboration Templates Specific Requirements for a Project A Worked Example Discussions Exercises and Projects Chapter 14 Cloud Computing and Software as a Service Introduction SaaS Maturity Model Database Design for Multi-Tenancy SaaS Resource Isolation Patterns Security ix

10 Scalability Google App Engine Services Datastore Hints for Developing Scalable Applications Development and Tooling Other Constraints Google File System GFS System Structure and Operations Lessons Learned from Developing GFS Other Similar Projects BigTable Major Components BigTable Overview MapReduce MapReduce Programming Model Example Applications Execution Overview Task Granularity and Fault-Tolerant Computing Hadoop Hadoop Ecosystem Hadoop HDFS & MapReduce Example Microsoft Azure Azure Architecture Azure Elements Creating Your First Application Azure Cloud Salesforce.com Prioritization and Scheduling Cloud Computing Algorithms Applications of Data Differencer Discussions Exercises and Projects Part III Appendices: Tutorials on Service-Oriented Software Development Appendix A Web Application Development A.1 Design of Graphical User Interface A.2 Discovering Web Services Available Online A.3 Access Web Services in Your Program: Cinema Service A.4 Access Web services in Your Program: Weather Forecasting Service A.5 Access Web Services in Your Program: USZip Service A.6 Creating ASP.Net Web Services A.7 Exercises and Projects x

11 Appendix B Service-Oriented Robotics Applications B.1 Getting Started with Robotics Developer Studio and VPL B.2 Programming Conditions in VPL B.3 Programming Loop in VPL B.4 Programming a Robot in a Simulation Environment B.5 Deploying the Program to a Real Robot B.6 Programming the Arm of the Robot B.7 Autonomous Robot in an Obstacle Course B.8 Exercises and Projects Appendix C ASU Repository of Services and Applications References Index xi

Service-Oriented Computing in Recomposable Embedded Systems

Service-Oriented Computing in Recomposable Embedded Systems Autonomous + Backend Support Yinong Chen Department of Computer Science and Engineering http://www.public.asu.edu/~ychen10/ 2 Motivation Embedded