$.AbstractHibernateDaoImpl.java Source code

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Here is the source code for $.AbstractHibernateDaoImpl.java

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    /*
     *  Copyright 2010 inaiat.
     * 
     *  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.
     *  under the License.
     */
package ${package}.persistence;

    import java.io.Serializable;
    import java.util.List;

    import org.hibernate.HibernateException;
    import org.hibernate.Query;
    import org.hibernate.Session;
    import org.hibernate.SessionFactory;
    import org.hibernate.criterion.DetachedCriteria;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.orm.hibernate3.HibernateCallback;
    import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

    public abstract class AbstractHibernateDaoImpl<T extends Serializable, KeyType extends Serializable>
            extends HibernateDaoSupport implements AbstractGenericDao<T, KeyType> {

        protected Class<T> domainClass = getDomainClass();

        /**
         * Method to return the class of the domain object
         */
        protected abstract Class<T> getDomainClass();

        @Autowired
        protected void setupSessionFactory(SessionFactory sessionFactory) {
            setSessionFactory(sessionFactory);
        }

        public T load(KeyType id) {
            return getHibernateTemplate().load(domainClass, id);
        }

        public void update(T t) {
            getHibernateTemplate().update(t);
        }

        public void save(T t) {
            getHibernateTemplate().save(t);
        }

        public void saveOrUpdate(T t) {
            getHibernateTemplate().saveOrUpdate(t);
        }

        public void delete(T t) {
            getHibernateTemplate().delete(t);
        }

        @SuppressWarnings("unchecked")
        public List<T> getList() {
            return (getHibernateTemplate().find("from " + domainClass.getName() + " x"));
        }

        public void deleteById(KeyType id) {
            Object obj = load(id);
            getHibernateTemplate().delete(obj);
        }

        @SuppressWarnings({ "unchecked", "rawtypes" })
        public void deleteAll() {
            getHibernateTemplate().execute(new HibernateCallback() {

                public Object doInHibernate(Session session) throws HibernateException {
                    String hqlDelete = "delete " + domainClass.getName();
                    @SuppressWarnings("unused")
                    int deletedEntities = session.createQuery(hqlDelete).executeUpdate();
                    return null;
                }
            });
        }

        public T get(KeyType id) {
            return (T) getHibernateTemplate().get(domainClass, id);
        }

        public int count() {
            @SuppressWarnings("unchecked")
            List<T> list = getHibernateTemplate().find("select count(*) from " + domainClass.getName() + " x");
            Integer count = (Integer) list.get(0);
            return count;
        }

        @SuppressWarnings("unchecked")
        public List<T> findByCriteria(DetachedCriteria criteria) {
            return getHibernateTemplate().findByCriteria(criteria);

        }

        @SuppressWarnings("unchecked")
        public T getUniqueResultByCriteria(DetachedCriteria criteria) {
            return (T) criteria.getExecutableCriteria(getSession()).uniqueResult();
        }

        public Query createQuery(String hql) {
            return getSession().createQuery(hql);
        }

    }