AuctionEndAction.java

package org.jboss.seam.example.seambay;

import java.util.Date;

import javax.persistence.EntityManager;
import javax.persistence.LockModeType;

import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Transactional;
import org.jboss.seam.annotations.async.Asynchronous;
import org.jboss.seam.annotations.async.Expiration;

@Name("auctionEnd")
public class AuctionEndAction
{
   @In EntityManager entityManager;
   
   @Asynchronous
   @Transactional
   public void endAuction(int auctionId, @Expiration Date endDate)
   {
      System.out.println("Auction " + auctionId + " ending");
      
      Auction auction = entityManager.find(Auction.class, auctionId);
      
      entityManager.lock(auction, LockModeType.WRITE);
      
      auction.setStatus(Auction.STATUS_COMPLETED);
      
      entityManager.merge(auction);
   }
}