Excluding a bean from autowiring in spring.
In this tutorial you will learn how to exclude a bean from autowiring in spring.
In this tutorial you will learn how to exclude a bean from autowiring in spring.
Excluding a bean from autowiring
In this tuorial you will see how to exclude bean from autowiring. The
autowire-candidate attribute is set in the <bean/> element and when it is set to
false the container excludes that specific bean from autowiring.
College.java
package spring.exclude.autwiring;
import org.springframework.beans.factory.annotation.Autowired;
public class College {
private Student student1;
private String registration;
private String year;
@Autowired
public void setStudent1(Student student) {
this.student1 = student;
}
public String getRegistration() {
return registration;
}
public void setRegistration(String registration) {
this.registration = registration;
}
public String getYear() {
return year;
}
public void setYear(String year) {
this.year = year;
}
@Override
public String toString() {
return "College [registration="
+ registration + ", Student="
+ student1 + ",year=" + year + "]";
}
}
|
Student.java
package spring.exclude.autwiring;
public class Student {
private String age;
private String name;
private String address;
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
@Override
public String toString() {
return "Student [name=" + name + ", age=" + age +
",address=" + address
+ "]";
}
}
|
AutowireMain.java
package spring.exclude.autwiring;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class AutowireMain {
public static void main(String[] args) {
BeanFactory beanfactory = new ClassPathXmlApplicationContext(
"context.xml");
College coll = (College) beanfactory.getBean("college5");
System.out.println(coll);
}
}
|
context.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-2.5.xsd">
<!-- exclude auto-Wiring -->
<bean id="college5"
class="spring.exclude.autwiring.College" autowire-candidate="false">
<property name="registration" value="BL001" />
<property name="year" value="2001" />
</bean>
<bean id="student5" class="spring.exclude.autwiring.Student" >
<property name="address" value="Delhi" />
<property name="age" value="22" />
<property name="name" value="Raj" />
</bean>
<!-- End -->
</beans>
|
When you run this application it will display output as shown below:
| College [registration=BL001,
Student=null,year=2001] |
Download this example code
