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Java 9 Dependency Injection
book

Java 9 Dependency Injection

by Nilang Patel, Krunal Patel
April 2018
Intermediate to advanced content levelIntermediate to advanced
246 pages
6h 11m
English
Packt Publishing
Content preview from Java 9 Dependency Injection

Application scope

The application scope only works on a web application. An IoC container creates single instances of bean definitions per web application during runtime. Following are two ways to define the application scope:

// 1) XML way to configure define application scope<bean id="..." class="com.packt.scope.applicationBeanTest" scope="application" />// 2) Java config using annotation @Component@Scope("application")public class applicationBeanTest {} //or @Component@ApplicationScopepublic class applicationBeanTest {}

This is the same as the Singleton scope, but the main difference is that a Singleton scope bean is worked as a Singleton per ApplicationContext, whereas an application scope bean is worked as Singleton per ServletContext ...

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Publisher Resources

ISBN: 9781788296250Supplemental Content