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Design Patterns and Contracts

Design Patterns and Contracts
Author: Jean-Marc Jézéquel
Publisher: Addison Wesley Longman
Total Pages: 376
Release: 2000
Genre: Computers
ISBN:
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"This book introduces the fundamentals of software contracts and illustrates how Design by Contract contributes to the optimal use of design patterns in a quality-oriented software engineering process. The Design by Contract approach to software construction provides a methodological guideline for building systems that are robust, modular, and simple." "Readers will find value in the book's overview of the Object Constraint Language, a precise modeling language that allows Design by Contract to be used with the industry standard Unified Modeling Language (UML). Although written in Eiffel, this book makes an excellent companion for developers who are using languages such as Java and UML. Throughout the book the authors discuss specific implementation issues and provide complete, ready-to-be-compiled examples of the use of each pattern." "They introduce design patterns and Design by Contract in the context of software engineering, and show how these tools are used to guide and document system design."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved

Design Pattern Contracts

Design Pattern Contracts
Author: Jason Olof Hallstrom
Publisher:
Total Pages:
Release: 2004
Genre: Software architecture
ISBN:
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A design pattern describes a commonly recurring problem in the design of object-oriented software, a solution to that problem, and the context in which the solution can be applied. The benefits of design patterns are two-fold. First, patterns serve as guidance to the novice designer. Second, they provide an extended vocabulary for documenting software design. In the mid 1990s, the publication of several pattern catalogs -- compendiums of design patterns -- popularized patterns as a tool for designing object-oriented software. Unfortunately, the descriptive format popularized by these catalogs is inherently imprecise. As a consequence, it is unclear when a pattern has been applied correctly, or what can be concluded about a system implemented using a particular pattern. This ambiguity threatens to undermine the two principal benefits associated with the use of design patterns. First, novice designers are more prone to error without a precise description of how each pattern must be applied. Second, documentation describing the patterns applied in designing a system may be misleading, as different designers can interpret pattern descriptions in subtly different ways. To address the ambiguity issues associated with design pattern descriptions, we introduce the concept of a design pattern contract as a formalism for precisely specifying design patterns. Like all contracts, a design pattern contract consists of two primary components: a responsibilities component and a rewards component. The responsibilities component of a pattern contract precisely characterizes the requirements that must be satisfied by the designer when applying a particular pattern. The rewards component specifies the system properties that are guaranteed to be exhibited if the contract responsibilities are indeed satisfied. The contract formalism alone, however, is insufficient to guarantee that design patterns will be applied correctly. Even when guided by a precise set of requirements, designers can --- and do --- make mistakes. To detect such contract violations, we introduce the notion of a contract monitor --- an executable unit of deployment used to detect runtime contract violations. We present two approaches to implementing these monitors. The choice of which to use depends on the requirements of the system, and the skill-set of the designer.

Web Service Contract Design and Versioning for SOA

Web Service Contract Design and Versioning for SOA
Author: Thomas Erl
Publisher: Prentice Hall
Total Pages: 865
Release: 2008-09-24
Genre: Computers
ISBN: 0132715880
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The Ultimate Guide for Designing and Governing Web Service Contracts For Web services to succeed as part of SOA, they require balanced, effective technical contracts that enable services to be evolved and repeatedly reused for years to come. Now, a team of industry experts presents the first end-to-end guide to designing and governing Web service contracts. Writing for developers, architects, governance specialists, and other IT professionals, the authors cover the following areas: Understanding Web Service Contract Technologies Fundamental and Advanced WSDL Fundamental and Advanced XML Schema Fundamental and Advanced WS-Policy Fundamental Message Design with SOAP Advanced Message Design with WS-Addressing Advanced Message Design with MTOM, and SwA Versioning Techniques and Strategies Web Service Contracts and SOA

Solidity Design Patterns - Best Practices & Technique for developing Smart contracts

Solidity Design Patterns - Best Practices & Technique for developing Smart contracts
Author: Cryptoineer
Publisher: Cryptoineer
Total Pages: 185
Release: 2023-02-19
Genre: Computers
ISBN:
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Download Solidity Design Patterns - Best Practices & Technique for developing Smart contracts Book in PDF, ePub and Kindle

Solidity design patterns are a critical component of smart contract development, enabling developers to create robust, efficient, and secure decentralized applications. "Solidity Design Patterns - Best Practices & Techniques for Developing Smart Contracts" is a comprehensive ebook available on Amazon that delves into the various design patterns used in Solidity smart contract development. The ebook provides a detailed explanation of popular design patterns like the Security, Gas Optimisation, Proxy, and many more. It also covers the latest design patterns used in the development of decentralized finance (DeFi) applications. The ebook provides a step-by-step guide to help developers understand and implement these patterns to create high-quality smart contracts. With Solidity design patterns, developers can create reusable code, minimize errors, and make their smart contracts more secure.The ebook provides practical examples, code snippets, and diagrams to help readers understand and implement these patterns in their projects. Whether you are a beginner or an experienced developer, "Solidity Design Patterns - Best Practices & Techniques for Developing Smart Contracts" is an essential resource that provides a comprehensive guide to developing high-quality smart contracts. With the latest design patterns and best practices, this ebook is a must-have for anyone looking to excel in smart contract development. Get your copy today on Amazon and start building better smart contracts!

Mastering Blockchain Programming with Solidity

Mastering Blockchain Programming with Solidity
Author: Jitendra Chittoda
Publisher: Packt Publishing Ltd
Total Pages: 474
Release: 2019-08-02
Genre: Computers
ISBN: 1839218630
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Discover the advanced features of Solidity that will help you write high-quality code and develop secure smart contracts with the latest ERC standards Key FeaturesDelve into Solidity and understand control structures, function calls, and variable scopesExplore tools for developing, testing, and debugging your blockchain applicationsLearn advanced design patterns and best practices for writing secure smart contractsBook Description Solidity is among the most popular and contract-oriented programming languages used for writing decentralized applications (DApps) on Ethereum blockchain. If you’re looking to perfect your skills in writing professional-grade smart contracts using Solidity, this book can help. You will get started with a detailed introduction to blockchain, smart contracts, and Ethereum, while also gaining useful insights into the Solidity programming language. A dedicated section will then take you through the different Ethereum Request for Comments (ERC) standards, including ERC-20, ERC-223, and ERC-721, and demonstrate how you can choose among these standards while writing smart contracts. As you approach later chapters, you will cover the different smart contracts available for use in libraries such as OpenZeppelin. You’ll also learn to use different open source tools to test, review and improve the quality of your code and make it production-ready. Toward the end of this book, you’ll get to grips with techniques such as adding security to smart contracts, and gain insights into various security considerations. By the end of this book, you will have the skills you need to write secure, production-ready smart contracts in Solidity from scratch for decentralized applications on Ethereum blockchain. What you will learnTest and debug smart contracts with Truffle, Ganache, Remix, and MetaMaskGain insights into maintaining code quality with different toolsGet up to speed with ERC standards such as ERC-20 and ERC-721Become adept at using design patterns while writing smart contractsUse MultiSignature (MultiSig) wallets and improve the security of contractsUse Oracle services to fetch information from outside the blockchainWho this book is for This book is for developers and data scientists who want to learn Ethereum, blockchain, and Solidity to write smart contracts and develop production-ready code. Basic knowledge of Solidity is assumed.

Design by Contract, by Example

Design by Contract, by Example
Author: Richard Mitchell
Publisher: Addison-Wesley Professional
Total Pages: 260
Release: 2002
Genre: Computers
ISBN:
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Design by Contract is a general approach to software design that dramatically improves the quality of the resulting products. This book provides an example-based approach to learning the powerful concept of Design by Contract.

API Design Patterns

API Design Patterns
Author: JJ Geewax
Publisher: Simon and Schuster
Total Pages: 478
Release: 2021-08-17
Genre: Computers
ISBN: 1638350337
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"A concept-rich book on API design patterns. Deeply engrossing and fun to read." - Satej Sahu, Honeywell API Design Patterns lays out a set of design principles for building internal and public-facing APIs. In API Design Patterns you will learn: Guiding principles for API patterns Fundamentals of resource layout and naming Handling data types for any programming language Standard methods that ensure predictability Field masks for targeted partial updates Authentication and validation methods for secure APIs Collective operations for moving, managing, and deleting data Advanced patterns for special interactions and data transformations API Design Patterns reveals best practices for building stable, user-friendly APIs. These design patterns can be applied to solve common API problems and flexibly altered to fit specific needs. Hands-on examples and relevant cases illustrate patterns for API fundamentals, advanced functionalities, and uncommon scenarios. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the technology APIs are contracts that define how applications, services, and components communicate. API design patterns provide a shared set of best practices, specifications and standards that ensure APIs are reliable and simple for other developers. This book collects and explains the most important patterns from both the API design community and the experts at Google. About the book API Design Patterns lays out a set of principles for building internal and public-facing APIs. Google API expert JJ Geewax presents patterns that ensure your APIs are consistent, scalable, and flexible. You’ll improve the design of the most common APIs, plus discover techniques for tricky edge cases. Precise illustrations, relevant examples, and detailed scenarios make every pattern clear and easy to understand. What's inside Guiding principles for API patterns Fundamentals of resource layout and naming Advanced patterns for special interactions and data transformations A detailed case-study on building an API and adding features About the reader For developers building web and internal APIs in any language. About the author JJ Geewax is a software engineer at Google, focusing on Google Cloud Platform, API design, and real-time payment systems. He is also the author of Manning’s Google Cloud Platform in Action. Table of Contents PART 1 INTRODUCTION 1 Introduction to APIs 2 Introduction to API design patterns PART 2 DESIGN PRINCIPLES 3 Naming 4 Resource scope and hierarchy 5 Data types and defaults PART 3 FUNDAMENTALS 6 Resource identification 7 Standard methods 8 Partial updates and retrievals 9 Custom methods 10 Long-running operations 11 Rerunnable jobs PART 4 RESOURCE RELATIONSHIPS 12 Singleton sub-resources 13 Cross references 14 Association resources 15 Add and remove custom methods 16 Polymorphism PART 5 COLLECTIVE OPERATIONS 17 Copy and move 18 Batch operations 19 Criteria-based deletion 20 Anonymous writes 21 Pagination 22 Filtering 23 Importing and exporting PART 6 SAFETY AND SECURITY 24 Versioning and compatibility 25 Soft deletion 26 Request deduplication 27 Request validation 28 Resource revisions 29 Request retrial 30 Request authentication

Design Patterns

Design Patterns
Author: Erich Gamma
Publisher: Pearson Deutschland GmbH
Total Pages: 512
Release: 1995
Genre: Business & Economics
ISBN: 9783827328243
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Software -- Software Engineering.

Blockchain – ICBC 2018

Blockchain – ICBC 2018
Author: Shiping Chen
Publisher: Springer
Total Pages: 302
Release: 2018-06-21
Genre: Computers
ISBN: 3319944789
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This book constitutes the refereed proceedings of the First International Conference on Blockchain, ICBC 2018, held as part of the Services Conference Federation, SCF 2018, in Seattle, USA, in June 2018. The 16 full papers and 7 short papers presented were carefully reviewed and selected from 36 submissions. The papers cover a wide range of topics in blockchain technologies, platforms, solutions and business models such as new blockchain architecture, platform constructions, blockchain development and blockchain services technologies as well as standards, and blockchain services innovation lifecycle including enterprise modeling, business consulting, solution creation, services orchestration, services optimization, services management, services marketing, business process integration and management.

Research Handbook on Contract Design

Research Handbook on Contract Design
Author: Corrales Compagnucci, Marcelo
Publisher: Edward Elgar Publishing
Total Pages: 480
Release: 2022-05-03
Genre: Law
ISBN: 1839102284
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Weaving together theoretical, historical, and legal approaches, this book offers a fresh perspective on the modern revival of the concept of allegiance, identifying and contextualising its evolving association with theories of citizenship.