Examples with Order org.apache.tapestry5.ioc.annotations.Order used on opensource projects

Example 26 with Order

use of org.apache.tapestry5.ioc.annotations.Order in project tapestry-5 by apache.

the class HibernateGridDataSource method prepare.

/**
 * Prepares the results, performing a query (applying the sort results, and the provided start and end index). The
 * results can later be obtained from {@link #getRowValue(int)} }.
 *
 * @param startIndex      index, from zero, of the first item to be retrieved
 * @param endIndex        index, from zero, of the last item to be retrieved
 * @param sortConstraints zero or more constraints used to set the order of the returned values
 */
@Override
public void prepare(int startIndex, int endIndex, List<SortConstraint> sortConstraints) {
    assert sortConstraints != null;
    Criteria crit = session.createCriteria(entityType);
    crit.setFirstResult(startIndex).setMaxResults(endIndex - startIndex + 1);
    for (SortConstraint constraint : sortConstraints) {
        String propertyName = constraint.getPropertyModel().getPropertyName();
        switch(constraint.getColumnSort()) {
            case ASCENDING:
                crit.addOrder(Order.asc(propertyName));
                break;
            case DESCENDING:
                crit.addOrder(Order.desc(propertyName));
                break;
            default:
        }
    }
    applyAdditionalConstraints(crit);
    this.startIndex = startIndex;
    preparedResults = crit.list();
}