Java Tutorial/EJB3/Timer Service

Timer Service

File: EmployeeBean.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.");
  }
}

Timer Service Timeout Callback

File: Employee.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;
  }
}