Timer Service And Timeout Method



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.");

    // Put here the code for cleaning the database of day limit orders that have
    // not been executed.
  }
}


File: EmployeeServiceLocal.java



import javax.ejb.Local;
import javax.jws.WebParam;

@Local
public interface EmployeeServiceLocal {
  public Long addBid(String userId,Long itemId,Double bidPrice);


}


File: EmployeeServiceRemote.java

import javax.ejb.Remote;


@Remote
public interface EmployeeServiceRemote {
  public Long addBid(String userId,Long itemId,Double bidPrice);
}


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;
  }
}


File: Main.java

import javax.ejb.EJB;
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("EmployeeBean/remote");


    service.addBid("userId",1L,0.1);
    


  }

}


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
EJB-TimerServiceAndTimeoutMethod.zip( 4,489 k)
Related examples in the same category

1.	Use Timer Service
2.	EJB Tutorial from JBoss: timer
Timer Service And Timeout Method : Timer « EJB3 « Java

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