Spring bean configuration for inheritance [Base bean as a template]

Click here to watch on Youtube:
https://www.youtube.com/watch?v=2dRalQGFMmA&list=UUhwKlOVR041tngjerWxVccw

Click the below Image to Enlarge:

Spring bean configuration for inheritance [Base bean as a template]

Spring bean configuration for inheritance [Base bean as a template]

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0%20http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.ram.core</groupId>
    <artifactId>SpringDemo</artifactId>
    <packaging>jar</packaging>
    <version>1.0-SNAPSHOT</version>
    <name>SpringDemo</name>
    <url>http://maven.apache.org</url>

    <properties>
        <spring.version>5.0.2.RELEASE</spring.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>

        <!-- Spring 5 dependencies -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
    </dependencies>
</project>

Employee.java

package com.ram.model;

public class Employee
{
    private int id;
    private String name;
    private String countryName;

    public int getId()
    {
        return id;
    }

    public void setId(int id)
    {
        this.id = id;
    }

    public String getName()
    {
        return name;
    }

    public void setName(String name)
    {
        this.name = name;
    }

    public String getCountryName()
    {
        return countryName;
    }

    public void setCountryName(String countryName)
    {
        this.countryName = countryName;
    }

    @Override
    public String toString()
    {
        return "Employee [id=" + id + ", name=" + name + ", countryName="
                + countryName + "]";
    }

}

applicationContext.xml

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.3.xsd">

    <bean id="baseEmployeeJapan" class="com.ram.model.Employee" abstract="true">
        <property name="countryName" value="Japan" />
    </bean>

    <bean id="employee1" class="com.ram.model.Employee" parent="baseEmployeeJapan">
        <property name="id" value="32" />
        <property name="name" value="Peter" />
    </bean>

    <bean id="employee2" class="com.ram.model.Employee" parent="baseEmployeeJapan">
        <property name="id" value="33" />
        <property name="name" value="John" />
    </bean>

</beans>

App.java

package com.ram.core;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.ram.model.Employee;

public class App
{
    public static void main(String[] args)
    {
        ApplicationContext context = new ClassPathXmlApplicationContext(
                "applicationContext.xml");

        System.out.println("---------------------------------------");

        Employee employee1 = (Employee) context.getBean("employee1");
        System.out.println(
                "Got employee1 object from the ApplicationContext(Spring Container)");

        System.out.println(employee1);
     
        System.out.println("---------------------------------------");

        Employee employee2 = (Employee) context.getBean("employee2");
        System.out.println(
                "Got employee2 object from the ApplicationContext(Spring Container)");

        System.out.println(employee2);

    }

}

Output

Aug 03, 2018 9:33:27 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@5b37e0d2: startup date [Fri Aug 03 09:33:27 IST 2018]; root of context hierarchy
Aug 03, 2018 9:33:27 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
---------------------------------------
Got employee1 object from the ApplicationContext(Spring Container)
Employee [id=32, name=Peter, countryName=Japan]
---------------------------------------
Got employee2 object from the ApplicationContext(Spring Container)
Employee [id=33, name=John, countryName=Japan]

Click the below link to download the code:
https://sites.google.com/site/ramj2eev2/java_basics/SpringDemo_inheritance_abstract.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/javaee/tree/master/Spring_2018/SpringDemo_inheritance_abstract

Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/eb94a9e0ae07f3c6a86034ef414051430bbfc9bc/Spring_2018/SpringDemo_inheritance_abstract/?at=master

See also:

All JavaEE Videos Playlist

All JavaEE Videos

All JAVA EE Links

Spring Tutorial

Servlets Tutorial

All Design Patterns Links

JDBC Tutorial

Java Collection Framework Tutorial

JAVA Tutorial

Kids Tutorial

Cooking Tutorial