Build powerful back-end business logic and complex Enterprise JavaBeans (EJB)-based applications using Java EE 8, Eclipse Enterprise for Java (EE4J), Web Tools Project (WTP), and the Microprofile platform. Targeted at Java and Java EE developers, with or without prior EJB experience, this book is packed with practical insights, strategy tips, and code examples. As each chapter unfolds, you'll see how you can apply the new EJB spec to your own applications through specific examples. Beginning EJB in Java EE 8 serves not only as a reference, but also as a how-to guide and repository of practical examples to which you can refer as you build your own applications. It will help you harness the power of EJBs and take your Java EE 8 development to the next level. You'll gain the knowledge and skills you'll need to create the complex enterprise applications that run today's transactions and more. What You'll Learn Build applications with Enterprise JavaBeans (EJBs) in the new Java EE 8 platform Discover when to use EJBs over contexts and dependency injection Use message-driven beans to do tasks asynchronously Integrate EJBs with microservices using the new Eclipse Microprofile project Manage complex enterprise transactions and much more Who This Book Is For Java programmers new to enterprise development and for those who may have experience with EJBs but are new to Java EE 8, EE4J, and related Eclipse projects.

Big Data Analytics Using Splunk is a hands-on book showing how to process and derive business value from big data in real time. Examples in the book draw from social media sources such as Twitter (tweets) and Foursquare (check-ins). You also learn to draw from machine data, enabling you to analyze, say, web server log files and patterns of user access in real time, as the access is occurring. Gone are the days when you need be caught out by shifting public opinion or sudden changes in customer behavior. Splunk's easy to use engine helps you recognize and react in real time, as events are occurring. Splunk is a powerful, yet simple analytical tool fast gaining traction in the fields of big data and operational intelligence. Using Splunk, you can monitor data in real time, or mine your data after the fact. Splunk's stunning visualizations aid in locating the needle of value in a haystack of a data. Geolocation support spreads your data across a map, allowing you to drill down to geographic areas of interest. Alerts can run in the background and trigger to warn you of shifts or events as they are taking place. With Splunk you can immediately recognize and react to changing trends and shifting public opinion as expressed through social media, and to new patterns of eCommerce and customer behavior. The ability to immediately recognize and react to changing trends provides a tremendous advantage in today's fast-paced world of Internet business. Big Data Analytics Using Splunk opens the door to an exciting world of real-time operational intelligence.Built around hands-on projects Shows how to mine social media Opens the door to real-time operational intelligence What you'll learn Monitor and mine social media for trends affecting your business Know how you are perceived, and when that perception is rising or falling Detect changing customer behavior from mining your operational data Collect and analyze in real time, or from historical files Apply basic analytical metrics to better understand your data Create compelling visualizations and easily communicate your findings Who this book is for Big Data Analytics Using Splunk is for those who are interested in exploring the heaps of data they have available, but don't know where to start. It is for the people who have knowledge of the data they want to analyze and are developers or SQL programmers at a level anywhere between beginners and intermediate. Expert developers also benefit from learning how to use such a simple and powerful tool as Splunk.

EJB 3.0 has made huge advances in ease of development, and its drastically simplified programming model has been widely acclaimed. Targeted at Java and J2EE developers both with and without prior EJB experience, "Beginning EJB 3 Application Development" takes readers through the details of the EJB 3.0 architecture, and shows how EJB can be used to develop powerful, standards-based backend business logic. With 12 years of combined EJB experience, the authors offer many practical insights into the entire EJB architecture and cover all areas of the EJB 3.0 specification.

With Java and SQL under your belt, this book will teach you EJB 3 from the ground up. It provides a complete and practical roadmap to EJB 3 architecture and programming. And it covers upgrade issues that you'll encounter when migrating from EJB 2.1 to EJB 3.0, so it's highly relevant if you're already an EJB developer.