Salesforce Apex Design Patterns
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Apex Design Patterns
Harness the power of Apex design patterns to build robust and scalable code architectures on the Force.com platformAbout This Book- Apply Creational, Structural and behavioural patterns in Apex to fix governor limit issues.- Have a grasp of the anti patterns to be taken care in Apex which could have adverse effect on the application.- The authors, Jitendra Zaa is a salesforce MVP and Anshul Verma has 12+ years of experience in the area of application development.Who This Book Is ForIf you are a competent developer with working knowledge of Apex, and now want to deep dive into the world of Apex design patterns to optimize the application performance, then this book is for you. Prior knowledge of Salesforce and Force.com platform is recommended.What You Will Learn- Apply OOPs principal in Apex to design a robust and efficient solution to address various facets to a business problem- Get to grips with the benefits and applicability of using different design patterns in Apex- Solve problems while instantiating, structuring and giving dynamic behavior to Apex classes- Understand the implementation of creational, structural, behavioral, concurrency and anti-patterns in your application- Follow the Apex best practices to resolve governor limit issues- Get clued up about the Inheritance, abstract classes, polymorphism in Apex to deal with the object mechanism- Master various design patterns and determine the best out of them- Explore the anti patterns that could not be applied to Apex and their appropriate solutionsIn DetailApex is an on-demand programming language providing a complete set of features for building business applications - including data models and objects to manage data. Apex being a proprietor programming language from Salesforce to be worked with multi tenant environment is a lot different than traditional OOPs languages like Java and C#. It acts as a workflow engine for managing collaboration of the data between users, a user interface model to handle forms and other interactions, and a SOAP API for programmatic access and integration.Apex Design Patterns gives you an insight to several problematic situations that can arise while developing on Force.com platform and the usage of Design patterns to solve them. Packed with real life examples, it gives you a walkthrough from learning design patterns that Apex can offer us, to implementing the appropriate ones in your own application. Furthermore, we learn about the creational patterns that deal with object creation mechanism and structural patterns that helps to identify the relationship between entities. Also, the behavioural and concurrency patterns are put forward explaining the communication between objects and multi-threaded programming paradigm respectively. We later on, deal with the issues regarding structuring of classes, instantiating or how to give a dynamic behaviour at a runtime, with the help of anti-patterns. We learn the basic OOPs principal in polymorphic and modular way to enhance its capability. Also, best practices of writing Apex code are explained to differentiate between the implementation of appropriate patterns. This book will also explain some unique patterns that could be applied to get around governor limits.By the end of this book, you will be a maestro in developing your applications on Force.com for SalesforceStyle and approachThis book is a step-by-step guide, complete with well-tested programs and real world situations to solve your common occurring problems in Apex design by using the anti-patterns. It gets crackling from exploring every appropriate solution to comparing the best one as per OOps principal.
Patterns of Enterprise Application Architecture
The practice of enterprise application development has benefited from the emergence of many new enabling technologies. Multi-tiered object-oriented platforms, such as Java and .NET, have become commonplace. These new tools and technologies are capable of building powerful applications, but they are not easily implemented. Common failures in enterprise applications often occur because their developers do not understand the architectural lessons that experienced object developers have learned. Patterns of Enterprise Application Architecture is written in direct response to the stiff challenges that face enterprise application developers. The author, noted object-oriented designer Martin Fowler, noticed that despite changes in technology--from Smalltalk to CORBA to Java to .NET--the same basic design ideas can be adapted and applied to solve common problems. With the help of an expert group of contributors, Martin distills over forty recurring solutions into patterns. The result is an indispensable handbook of solutions that are applicable to any enterprise application platform. This book is actually two books in one. The first section is a short tutorial on developing enterprise applications, which you can read from start to finish to understand the scope of the book's lessons. The next section, the bulk of the book, is a detailed reference to the patterns themselves. Each pattern provides usage and implementation information, as well as detailed code examples in Java or C#. The entire book is also richly illustrated with UML diagrams to further explain the concepts. Armed with this book, you will have the knowledge necessary to make important architectural decisions about building an enterprise application and the proven patterns for use when building them. The topics covered include · Dividing an enterprise application into layers · The major approaches to organizing business logic · An in-depth treatment of mapping between objects and relational databases · Using Model-View-Controller to organize a Web presentation · Handling concurrency for data that spans multiple transactions · Designing distributed object interfaces
Salesforce Apex Design Patterns
DESCRIPTION Salesforce Apex is a powerful programming language that drives customization and automation on the Salesforce platform. However, writing scalable and maintainable Apex code requires a deep understanding of software design principles. This book serves as an essential guide to mastering these critical patterns, empowering you to build robust and efficient solutions within the unique Salesforce ecosystem. This book provides a comprehensive guide to Apex design patterns, equipping Salesforce developers with structured approaches to write efficient, scalable, and reusable code. It covers fundamental creational, structural, and behavioral design patterns, helping developers solve common challenges in Salesforce application architecture while adhering to best coding practices. Designed for both beginners and experienced Salesforce developers, it offers real-world examples and hands-on implementations to demonstrate how design patterns can be applied effectively within the Salesforce ecosystem. Whether you are working on enterprise-level integrations, optimizing trigger performance, or structuring Apex code, this book provides step-by-step guidance to enhance your development skills. The guide also covers key Salesforce architectural patterns such as MVC and DAO. By the end of this book, developers will be able to reduce technical debt, improve maintainability, and ensure seamless scalability of their Salesforce applications. If you are looking to elevate your Apex coding standards and build robust Salesforce solutions, this book is your go-to resource. WHAT YOU WILL LEARN ● Understand and apply design patterns to improve Apex code structure. ● Enhance maintainability and scalability by adopting best coding practices. ● Implement modular, reusable, and efficient code using proven patterns. ● Improve error handling with structured exception management techniques. ● Architect Salesforce applications using MVC, service layer, and DAO patterns. WHO THIS BOOK IS FOR This book is for experienced Salesforce developers, architects, consultants, and others who are looking to advance their skills in creating efficient, scalable, and maintainable solutions using Apex programming on the Salesforce platform. TABLE OF CONTENTS 1. Foundation of Apex Design Patterns 2. Understanding Design Patterns 3. Apex Fundamentals 4. Apex Design Principles 5. Creational Design Patterns 6. Structural Design Patterns 7. Behavioral Design Patterns 8. Apex Specific Patterns 9. Architectural Patterns in Salesforce 10. Integrating Patterns in Apex Projects 11. Anti-Patterns and Pitfalls in Apex Development 12. Future Trends in Apex Design Patte