Aspectj in Action: Enterprise AOP with Spring Applications by Ramnivas Laddad

By Ramnivas Laddad

To permit the construction of actually modular software program, OOP has developed into aspect-oriented programming. AspectJ is a mature AOP implementation for Java, now built-in with Spring.

AspectJ in motion, moment Edition is a completely up to date, significant revision of Ramnivas Laddad's best-selling first variation. it is a hands-on advisor for Java builders. After introducing the middle rules of AOP, it indicates you the way to create reusable options utilizing AspectJ 6 and Spring three. you will grasp key good points together with annotation-based syntax, load-time weaver, annotation-based crosscutting, and Spring-AspectJ integration. development on established applied sciences equivalent to JDBC, Hibernate, JPA, Spring safeguard, Spring MVC, and Swing, you are going to practice AOP to universal difficulties encountered in company applications.

This ebook calls for no prior adventure in AOP and AspectJ, however it assumes you are acquainted with OOP, Java, and the fundamentals of Spring.

''Clear, concisely worded, well-organized ... a excitement to read.''

-From the Foreword via Rod Johnson, author of the Spring Framework

''This booklet teaches you the way to imagine in features. it really is crucial studying for either rookies who recognize not anything approximately AOP and specialists who imagine they comprehend it all.''

-Andrew Eisenberg, AspectJ improvement instruments venture Committer

''Ramnivas showcases easy methods to get the simplest out of AspectJ and Spring.''

-Andy Clement, AspectJ undertaking Lead

''One of the easiest Java books in years.''

-Andrew Rhine, software program Engineer, eSecLending

''By a ways the easiest reference for Spring AOP and AspectJ.''

-Paul Benedict, software program Engineer, Argus health and wellbeing Systems

''Ramnivas expertly demystifies the impressive energy of aspect-oriented programming.''

-Craig partitions, writer of Spring in Action

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Extra info for Aspectj in Action: Enterprise AOP with Spring Applications

Sample text

Although the core AJDT committers kept developing the technology, much more dedicated effort was needed. Furthermore, many users perceived the adoption of AspectJ as a big step due to the requirement of using a brand-new syntax and the need to use a special compiler at the beginning of a project. Eclipse, the main supported IDE for AspectJ, was advancing at a rapid pace, leaving a large gap between its Java support and AspectJ support. Enterprise Java Beans (EJB) provided serious competition. Through a frameworkcentric approach, you could implement crosscutting functionality such as transaction management and security in a modular fashion.

It also includes functionality such as alerting and trend analysis to let you take corrective actions. com/products/jxinsight) monitors applications to provide insight into potential performance bottlenecks. It uses AspectJ-based probes to weave into various technologies. com) uses aspects to monitor system execution and generates sequence diagrams. Compiler and IDE integration AspectJ itself uses AspectJ to extend the JDT complier to support AspectJ constructs. org/equinox/incubator/aspects) to better integrate with the JDT in Eclipse.

But in many case, defining a robust pointcut poses some difficulty. With the introduction of annotations in Java 5, AspectJ provides an easy and transparent way to select the join points you want. With annotations in play, aspect developers can expect class developers to mark program elements with annotations. It makes both camps happy—aspect developers can write simple pointcuts that can select program elements based on annotations they carry. On the other hand, class developers control the application of crosscutting functionality, because they choose what to annotate.

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