Java tutorial
/* * Copyright (c) 2008-2016, GigaSpaces Technologies, Inc. All Rights Reserved. * * 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 org.openspaces.persistency.hibernate.iterator; import com.gigaspaces.datasource.DataSourceSQLQuery; import com.j_spaces.core.client.SQLQuery; import org.hibernate.CacheMode; import org.hibernate.Query; import org.hibernate.Session; import org.hibernate.StatelessSession; import org.hibernate.proxy.HibernateProxy; /** * @author kimchy */ public class HibernateIteratorUtils { public static Object unproxy(Object entity) { if (entity instanceof HibernateProxy) { entity = ((HibernateProxy) entity).getHibernateLazyInitializer().getImplementation(); } return entity; } public static Query createQueryFromSQLQuery(SQLQuery<?> sqlQuery, Session session) { String select = sqlQuery.getFromQuery(); Query query = session.createQuery(select); Object[] preparedValues = sqlQuery.getParameters(); if (preparedValues != null) { for (int i = 0; i < preparedValues.length; i++) { query.setParameter(i, preparedValues[i]); } } query.setCacheMode(CacheMode.IGNORE); query.setCacheable(false); query.setReadOnly(true); return query; } public static Query createQueryFromSQLQuery(SQLQuery<?> sqlQuery, StatelessSession session) { String select = sqlQuery.getFromQuery(); Query query = session.createQuery(select); Object[] preparedValues = sqlQuery.getParameters(); if (preparedValues != null) { for (int i = 0; i < preparedValues.length; i++) { query.setParameter(i, preparedValues[i]); } } query.setReadOnly(true); return query; } public static Query createQueryFromDataSourceSQLQuery(DataSourceSQLQuery dataSourceSQLQuery, Session session) { String select = dataSourceSQLQuery.getFromQuery(); Query query = session.createQuery(select); Object[] preparedValues = dataSourceSQLQuery.getQueryParameters(); if (preparedValues != null) { for (int i = 0; i < preparedValues.length; i++) { query.setParameter(i, preparedValues[i]); } } query.setReadOnly(true); return query; } public static Query createQueryFromDataSourceSQLQuery(DataSourceSQLQuery dataSourceSQLQuery, StatelessSession session) { String select = dataSourceSQLQuery.getFromQuery(); Query query = session.createQuery(select); Object[] preparedValues = dataSourceSQLQuery.getQueryParameters(); if (preparedValues != null) { for (int i = 0; i < preparedValues.length; i++) { query.setParameter(i, preparedValues[i]); } } query.setReadOnly(true); return query; } }