Guava实现观察者

Author: CPU-Code

.idea/libraries/Maven__com_google_guava_guava_20_0.xml

@@ -130,7 +130,7 @@
 
 - [x] [课程提问](src/main/java/com/cpucode/pattern/behavior/observer/course/advice/ObserverTest.java)
 - [x] [鼠标操作](src/main/java/com/cpucode/pattern/behavior/observer/events/MouseEventTest.java)
-
+- [x] [Guava实现观察者](src/main/java/com/cpucode/pattern/behavior/observer/guava/GuavaEventTest.java)
 
 ---------------
 

pattern/README.md

@@ -14,5 +14,6 @@
     <orderEntry type="library" name="Maven: cglib:cglib-nodep:2.2" level="project" />
     <orderEntry type="library" scope="PROVIDED" name="Maven: javax.servlet:servlet-api:2.4" level="project" />
     <orderEntry type="library" name="Maven: org.apache.commons:commons-lang3:3.9" level="project" />
+    <orderEntry type="library" name="Maven: com.google.guava:guava:20.0" level="project" />
   </component>
 </module>

pattern/pattern.iml

@@ -33,6 +33,11 @@
             <version>3.9</version>
         </dependency>
 
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>20.0</version>
+        </dependency>
     </dependencies>
 
     <build>

pattern/pom.xml

@@ -0,0 +1,18 @@
+package com.cpucode.pattern.behavior.observer.guava;
+
+import com.google.common.eventbus.Subscribe;
+
+/**
+ * @author : cpucode
+ * @date : 2021/7/12
+ * @time : 22:17
+ * @github : https://github.com/CPU-Code
+ * @csdn : https://blog.csdn.net/qq_44226094
+ */
+public class GuavaEvent {
+    @Subscribe
+    public void subscribe(String str){
+        // 业务逻辑
+        System.out.println("执行 subscribe 方法,传入的参数是:" + str);
+    }
+}

pattern/src/main/java/com/cpucode/pattern/behavior/observer/guava/GuavaEvent.java

@@ -0,0 +1,21 @@
+package com.cpucode.pattern.behavior.observer.guava;
+
+import com.google.common.eventbus.EventBus;
+
+/**
+ * @author : cpucode
+ * @date : 2021/7/12
+ * @time : 22:18
+ * @github : https://github.com/CPU-Code
+ * @csdn : https://blog.csdn.net/qq_44226094
+ */
+public class GuavaEventTest {
+    public static void main(String[] args) {
+        EventBus eventBus = new EventBus();
+
+        GuavaEvent guavaEvent = new GuavaEvent();
+
+        eventBus.register(guavaEvent);
+        eventBus.post("cpucode");
+    }
+}