Performance monitoring (#974)

* spring performance monitoring interceptors

* added person service

aspectj/src/main/java/com/baeldung/performancemonitor/AopConfiguration.java

@@ -1,6 +1,8 @@
 package com.baeldung.performancemonitor;
 
-import org.aspectj.lang.annotation.Aspect;
+import java.time.LocalDate;
+import java.time.Month;
+
 import org.aspectj.lang.annotation.Pointcut;
 import org.springframework.aop.Advisor;
 import org.springframework.aop.aspectj.AspectJExpressionPointcut;
@@ -14,10 +16,10 @@ import org.springframework.context.annotation.EnableAspectJAutoProxy;
 @EnableAspectJAutoProxy
 public class AopConfiguration {
     
-    @Pointcut("execution(public int com.baeldung.performancemonitor.Person.getAge())")
+    @Pointcut("execution(public String com.baeldung.performancemonitor.PersonService.getFullName(..))")
     public void monitor() { }
     
-    @Pointcut("execution(public void com.baeldung.performancemonitor.Person.setAge(int))")
+    @Pointcut("execution(public int com.baeldung.performancemonitor.PersonService.getAge(..))")
     public void myMonitor() { }
     
     @Bean
@@ -34,7 +36,12 @@ public class AopConfiguration {
     
     @Bean
     public Person person(){
-        return new Person();
+        return new Person("John","Smith", LocalDate.of(1980, Month.JANUARY, 12));
+    }
+    
+    @Bean
+    public PersonService personService(){
+        return new PersonService();
     }
     
     @Bean

aspectj/src/main/java/com/baeldung/performancemonitor/MyPerformanceMonitorInterceptor.java

@@ -4,10 +4,7 @@ import java.util.Date;
 
 import org.aopalliance.intercept.MethodInvocation;
 import org.apache.commons.logging.Log;
-import org.apache.log4j.Logger;
-import org.aspectj.lang.annotation.Aspect;
 import org.springframework.aop.interceptor.AbstractMonitoringInterceptor;
-import org.springframework.util.StopWatch;
 
 public class MyPerformanceMonitorInterceptor extends AbstractMonitoringInterceptor {
     

aspectj/src/main/java/com/baeldung/performancemonitor/PerfomanceApp.java

@@ -8,9 +8,9 @@ public class PerfomanceApp {
 
         ApplicationContext context = new AnnotationConfigApplicationContext(AopConfiguration.class);
         Person person = (Person) context.getBean("person");
+        PersonService personService = (PersonService) context.getBean("personService");
         
-        person.setAge(20);
-        System.out.println("Age is:"+person.getAge());
-        
+        System.out.println("Name is:"+personService.getFullName(person));
+        System.out.println("Age is:"+personService.getAge(person));
     }
 }

aspectj/src/main/java/com/baeldung/performancemonitor/Person.java

@@ -1,13 +1,42 @@
 package com.baeldung.performancemonitor;
 
-public class Person {
-    private int age;
+import java.time.LocalDate;
 
-    public int getAge() {
-        return age;
+public class Person {
+    private String lastName;
+    private String firstName;
+    private LocalDate dateOfBirth;
+
+    public Person() {
     }
 
-    public void setAge(int age) {
-        this.age = age;
+    public Person(String firstName, String lastName, LocalDate dateOfBirth) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.dateOfBirth = dateOfBirth;
+    }
+
+    public LocalDate getDateOfBirth() {
+        return dateOfBirth;
+    }
+
+    public void setDateOfBirth(LocalDate dateOfBirth) {
+        this.dateOfBirth = dateOfBirth;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
     }
 }

aspectj/src/main/java/com/baeldung/performancemonitor/PersonService.java

@@ -0,0 +1,17 @@
+package com.baeldung.performancemonitor;
+
+import java.time.LocalDate;
+import java.time.Period;
+
+public class PersonService {
+
+    public String getFullName(Person person){
+        return person.getLastName()+" "+person.getFirstName();
+    }
+    
+    public int getAge(Person person){
+        Period p = Period.between(person.getDateOfBirth(), LocalDate.now());
+        return p.getYears();
+    }
+    
+}