database-resource-manager/src/main/java/org/gcube/dataanalysis/databases/utilsold/DatabaseFactory.java

161 lines
3.9 KiB
Java

//package org.gcube.dataanalysis.databases.utilsold;
//
//import java.io.ByteArrayInputStream;
//import java.util.List;
//
//import javax.xml.parsers.DocumentBuilderFactory;
//
//import org.gcube.contentmanagement.lexicalmatcher.utils.AnalysisLogger;
//import org.gcube.contentmanagement.lexicalmatcher.utils.FileTools;
//import org.hibernate.Query;
//import org.hibernate.Session;
//import org.hibernate.SessionFactory;
//import org.hibernate.cfg.Configuration;
//
//
///** Class that allows to connect to a database and to execute a query */
//public class DatabaseFactory {
//
//
// //Method that establish a connection with the database
// public static SessionFactory initDBConnection(String configurationFile) throws Exception {
// String xml = FileTools.readXMLDoc(configurationFile);
// SessionFactory DBSessionFactory = null;
// Configuration cfg = new Configuration();
// cfg = cfg.configure(DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(xml.getBytes())));
// DBSessionFactory = cfg.buildSessionFactory();
// return DBSessionFactory;
// }
//
//
//
// //Method that execute the query
// public static List<Object> executeSQLQuery(String query, SessionFactory DBSessionFactory) throws Exception {
//// System.out.println("QUERY: "+query);
// try {
// return executeHQLQuery(query, DBSessionFactory, true);
//
// } catch (Exception e) {
// // TODO: handle exception
// throw e;
// }
//
// }
//
// public static List<Object> executeHQLQuery(String query, SessionFactory DBSessionFactory, boolean useSQL) throws Exception{
// Session ss = null;
// List<Object> obj = null;
//
//
// try {
//
// ss = DBSessionFactory.getCurrentSession();
//
// ss.beginTransaction();
//
// Query qr = null;
//
// if (useSQL)
// qr = ss.createSQLQuery(query);
// else
// qr = ss.createQuery(query);
//
// List<Object> result = null;
//
// AnalysisLogger.getLogger().debug("DatabaseFactory->"+qr.getQueryString());
// try {
// result = qr.list();
// ss.getTransaction().commit();
//
// if (result == null)
// System.out.println("Hibernate doesn't return a valid object when org.gcube.contentmanagement.lexicalmatcher retrieve UserState Object");
//
//// if (result != null && result.size() == 0)
//// System.out.println(String.format("found nothing in database for query: "+query));
//
// if (result != null && result.size() != 0) {
// obj = result;
// }
//
// rollback(ss);
//
// return obj;
//
// } catch (Exception e) {
// // TODO: handle exception
// throw e;
// }
//
//
//
//
//
//
//
//
// } catch (Exception e) {
// // TODO: handle exception
//
// throw e;
// }
//
//
//
//
//
//
// }
//
//
// public static void rollback(Session ss) {
//
// try {
// if (ss != null && ss.getTransaction() != null)
// ss.getTransaction().rollback();
// } catch (Exception ex) {
//
// } finally {
// try {
// ss.close();
// } catch (Exception ee) {
// }
// }
// }
//
//
//
//// public static void executeSQLUpdate(String query, SessionFactory DBSessionFactory) throws Exception {
//// executeHQLUpdate(query, DBSessionFactory, true);
//// }
//
//
//// public static void executeHQLUpdate(String query, SessionFactory DBSessionFactory, boolean useSQL) throws Exception{
////// System.out.println("executing query: " + query);
//// Session ss = null;
////
//// try {
////
//// ss = DBSessionFactory.getCurrentSession();
////// System.out.println("executing query");
//// ss.beginTransaction();
//// Query qr = null;
////
//// if (useSQL)
//// qr = ss.createSQLQuery(query);
//// else
//// qr = ss.createQuery(query);
////
//// qr.executeUpdate();
//// ss.getTransaction().commit();
////
//// } catch (Exception e) {
//// AnalysisLogger.getLogger().debug(query);
//// rollback(ss);
////// e.printStackTrace();
//// throw e;
//// }
//// }
//
//
//}