Test @Bean

whatsmars-spring-boot-samples/whatsmars-boot-sample-bean/src/main/java/org/hongxi/whatsmars/boot/sample/bean/Application.java

@@ -2,7 +2,9 @@ package org.hongxi.whatsmars.boot.sample.bean;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.context.annotation.Bean;
+import org.springframework.core.annotation.Order;
 
 /**
  * Created by shenhongxi on 2020/6/8.
@@ -14,11 +16,23 @@ public class Application {
         SpringApplication.run(Application.class, args);
     }
 
+    @Order(1)
+    @ConditionalOnMissingBean
     @Bean
     public DemoBean demoBean() {
         return new DemoBean();
     }
 
+    @Bean
+    public DemoBean demoBean2() {
+        return new DemoBean();
+    }
+
+    @Bean
+    public OrderedDemoBean orderedDemoBean() {
+        return new OrderedDemoBean();
+    }
+
     @Bean
     public DemoBeanPostProcessor demoBeanPostProcessor() {
         return new DemoBeanPostProcessor();

whatsmars-spring-boot-samples/whatsmars-boot-sample-bean/src/main/java/org/hongxi/whatsmars/boot/sample/bean/DemoBeanPostProcessor.java

@@ -7,9 +7,14 @@ import org.springframework.beans.factory.config.BeanPostProcessor;
  * Created by shenhongxi on 2020/6/10.
  */
 public class DemoBeanPostProcessor implements BeanPostProcessor {
+
+    public DemoBeanPostProcessor() {
+        System.out.println("new DemoBeanPostProcessor");
+    }
+
     @Override
     public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
-        if (beanName.equals("demoBean")) {
+        if (bean.getClass() == DemoBean.class) {
             System.out.println("postProcessBeforeInitialization");
         }
         return bean;
@@ -17,7 +22,7 @@ public class DemoBeanPostProcessor implements BeanPostProcessor {
 
     @Override
     public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
-        if (beanName.equals("demoBean")) {
+        if (bean.getClass() == DemoBean.class) {
             System.out.println("postProcessAfterInitialization");
         }
         return bean;

whatsmars-spring-boot-samples/whatsmars-boot-sample-bean/src/main/java/org/hongxi/whatsmars/boot/sample/bean/OrderedDemoBean.java

+package org.hongxi.whatsmars.boot.sample.bean;
+
+import org.springframework.core.Ordered;
+
+/**
+ * Created by shenhongxi on 2020/6/21.
+ */
+public class OrderedDemoBean extends DemoBean implements Ordered {
+
+    public OrderedDemoBean() {
+        System.out.println("new OrderedDemoBean");
+    }
+
+    @Override
+    public int getOrder() {
+        return Ordered.HIGHEST_PRECEDENCE;
+    }
+}