Collection col = sampleBean.getAllObjects(ArticleVO.class);
System.out.println("\n# Delete #");
int i =0;
for (Iterator iterator = col.iterator(); iterator.hasNext();)
{
ArticleVO article = (ArticleVO) iterator.next();
List del = new ArrayList();
del.add(article);
sampleBean.deleteObjects(del);
if(++i%10==0)System.out.print(".");
if(i%400==0)System.out.println();