Java Tutorial/EJB3/Timer Service

Timer Service

File: EmployeeBean.java

   <source lang="java">

import javax.annotation.Resource; import javax.ejb.SessionContext; import javax.ejb.Stateless; import javax.ejb.Timeout; import javax.ejb.Timer; import javax.ejb.TimerService; @Stateless public class EmployeeBean implements EmployeeServiceLocal, EmployeeServiceRemote {

 @Resource
 private SessionContext ctx;
 public EmployeeBean() {
 }
 public Long addBid(String userId, Long itemId, Double bidPrice) {
   System.out.println("Bid for " + itemId + " received with price" + bidPrice);
   TimerService timerService = ctx.getTimerService();
   Timer timer = timerService.createTimer(123, 86400000, null);
   return 0L;
 }
 @Timeout
 public void handleTimeout(Timer timer) {
   System.out.println(" handleTimeout called.");
 }

}</source>

Timer Service Timeout Callback

File: Employee.java

   <source lang="java">

import javax.persistence.Entity; 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;
 }

}</source>