public Object getAggregateFunctionResult() {
Session hSession = (Session) entityManager.getDelegate();
Criteria criteria = hSession.createCriteria(Book.class);
Object returnObj = 0;
// criteria.setProjection(Projections.avg("price"));
criteria.setProjection(Projections.max("price"));
List<Book> books = criteria.list();
// criteria.setProjection((Projection)Property.forName("name")).
// setProjection((Projection)Property.forName("publishedDate"));
System.out.println("[Criteria] = " + criteria.toString());
returnObj = books;
return returnObj;
}
@SuppressWarnings("unchecked")
public List<Book> criteriaSearch() {
List<Book> resultEntities = null;
Session hSession = (Session) entityManager.getDelegate();
Criteria criteria = hSession.createCriteria(Book.class);
/*Equal */
// criteria.add(Restrictions.eq("name", "Spring 3").ignoreCase());
/*LIKE , Between - Integer*/
// criteria.add(Restrictions.like("name", "%Hibernate%")).
// add(Restrictions.between("price", new Integer(10), new Integer(40)));
/*Logical Operation, LIKE , Between - Integer*/
// criteria.add(
// Restrictions.or(
// Restrictions.like("name", "%Hibernate%"),
// Restrictions.like("name", "%Spring%"))).
// add(Restrictions.between("price", new Integer(10), new Integer(60)));
/*(String) MatchMode*/
// Criterion startRest = Restrictions.like("name", "Spring", MatchMode.START);
// Criterion anywhereRest = Restrictions.like("name", "Spring", MatchMode.ANYWHERE);
// criteria.add(anywhereRest);
/*JOIN, ORDER */
// criteria.createAlias("stock","st").
// addOrder(Order.desc("name")).
// addOrder(Order.asc("publishedDate")).
// add(Restrictions.like("name","%Spring%")).
// add(Restrictions.ge("st.count", new Integer(5)));
/*QBE - Query By Example : Not working now*/
Book book = new Book();
book.setId(1769472);
Example exampleBook = Example.create(book);
criteria.add(exampleBook);
System.out.println("[Criteria] = " + criteria.toString());
resultEntities = criteria.list();
return resultEntities;
}
@Override
public String toString() {
return "DetachableCriteria(" + criteria.toString() + ')';
}
