Source Code : EJB Based Web Services

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EJB Based Web Services

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;

import bean.EmployeeServiceRemote;


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("EmployeeBean/remote");
    
    


    
    //service.doAction();

  }

}


File: Employee.java

package bean;
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: EmployeeBean.java

package bean;
import javax.ejb.Stateless;
import javax.jws.WebMethod;
import javax.jws.WebParam;
import javax.jws.WebResult;
import javax.jws.WebService;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;



@WebService(name = "MyEmployee", serviceName = "MyEmployeeService")
//@Stateless
public class EmployeeBean implements EmployeeServiceLocal, EmployeeServiceRemote {
  @PersistenceContext(unitName = "EmployeeService")
  private EntityManager entityManager;

  public EmployeeBean() {
  }

  @WebMethod
  public void createEmployee(@WebParam(name = "employee")Employee c) {
    entityManager.persist(c);
  }

  @WebMethod
  @WebResult(name = "Employee")
  public Employee findEmployee(@WebParam(name = "ID")int pKey) {
    return entityManager.find(Employee.class, pKey);
  }
}


File: EmployeeServiceLocal.java

package bean;


import javax.ejb.Local;


@Local
public interface EmployeeServiceLocal {
  public void createEmployee(Employee c);

  public Employee findEmployee(int id);
}



File: EmployeeServiceRemote.java

package bean;

import javax.ejb.Remote;


@Remote
public interface EmployeeServiceRemote {
  public void createEmployee(Employee c);

  public Employee findEmployee(int id);
}




           
       

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