Source Code : Around InvokeMethod

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Around InvokeMethod

File: Employee.java

import javax.persistence.Entity;
import javax.persistence.EntityListeners;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.PostRemove;

@Entity

public class Employee implements java.io.Serializable {
  private int id;

  private String firstName;

  private String lastName;

  @Id
  @GeneratedValue
  public int getId() {
    return id;
  }


  @PostRemove
  public void postRemove()
  {
     System.out.println("@PostRemove");
  }

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

  public String getFirstName() {
    return firstName;
  }

  public void setFirstName(String first) {
    this.firstName = first;
  }

  public String getLastName() {
    return lastName;
  }

  public void setLastName(String last) {
    this.lastName = last;
  }
}


File: EmployeeService.java

import javax.ejb.Stateless;
import javax.interceptor.Interceptors;

@Stateless
public class EmployeeService implements EmployeeServiceLocal, EmployeeServiceRemote {

  public EmployeeService() {
  }

  
  @Interceptors(Profiler.class)
  public void doAction() {
    System.out.println("do Action");
  }
}


File: EmployeeServiceLocal.java



import java.util.Collection;

import javax.ejb.Local;

@Local
public interface EmployeeServiceLocal {
    public void doAction();


}



File: EmployeeServiceRemote.java




import java.util.Collection;

import javax.ejb.Remote;

@Remote
public interface EmployeeServiceRemote{
  public void doAction();  

}



File: Profiler.java

import javax.interceptor.AroundInvoke;
import javax.interceptor.InvocationContext;

public class Profiler {
  @AroundInvoke
  public Object profile(InvocationContext invocation) throws Exception {
    long startTime = System.currentTimeMillis();
    try {
      return invocation.proceed();
    } finally {
      long endTime = System.currentTimeMillis() - startTime;
      System.out.println("Method " + invocation.getMethod() + " took " + endTime + " (ms)");
    }
  }
}


File: jndi.properties

java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces
java.naming.provider.url=localhost:1099


File: Main.java

import java.util.Date;

import javax.naming.InitialContext;


public class Main {

  public static void main(String[] a) throws Exception {

    EmployeeServiceRemote service = null;

    // Context compEnv = (Context) new InitialContext().lookup("java:comp/env");

    // service = (HelloService)new InitialContext().lookup("java:comp/env/ejb/HelloService");
    service = (EmployeeServiceRemote) new InitialContext().lookup("EmployeeService/remote");
    
    


    
    service.doAction();

  }

}




           
       

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