at.molindo.esi4j.module.hibernate.scrolling.SimpleQueryProvider Maven / Gradle / Ivy
/**
* Copyright 2010 Molindo GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package at.molindo.esi4j.module.hibernate.scrolling;
import org.hibernate.Criteria;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.criterion.DetachedCriteria;
public class SimpleQueryProvider implements QueryProvider {
private final String _hql;
private final DetachedCriteria _criteria;
private final boolean _ordered;
public SimpleQueryProvider(String hql, boolean ordered) {
if (hql == null) {
throw new NullPointerException("hql");
}
_hql = hql;
_criteria = null;
_ordered = ordered;
}
public SimpleQueryProvider(DetachedCriteria criteria, boolean ordered) {
if (criteria == null) {
throw new NullPointerException("criteria");
}
_criteria = criteria;
_hql = null;
_ordered = ordered;
}
@Override
public boolean isOrdered() {
return _ordered;
}
@Override
public final Criteria createCriteria(Class type, Session session) {
return _criteria == null ? null : _criteria.getExecutableCriteria(session);
}
@Override
public final Query createQuery(Class type, Session session) {
return _hql == null ? null : session.createQuery(_hql);
}
}