Spring 5 Design Patterns

Creating custom scopes

For creating your customer scope in the Spring IoC container, Spring provides the org.springframework.beans.factory.config.Scope interface. You have to implement this interface to create your own custom scopes. Take a look at the following MyThreadScope class as a custom scope in the Spring IoC container:

    package com.packt.patterninspring.chapter5.bankapp.scope; 
    import java.util.HashMap; 
    import java.util.Map; 
    import org.springframework.beans.factory.ObjectFactory; 
    import org.springframework.beans.factory.config.Scope; 
 
    public class MyThreadScope implements Scope { 
      private final ThreadLocal<Object> myThreadScope = new ThreadLocal<Object>() { protected Map<String, Object> initialValue() { System.out.println("initialize ...