ECOMP-PAP-REST/src/main/java/org/openecomp/policy/pap/xacml/rest/HibernateSession.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ECOMP-PAP-REST
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.policy.pap.xacml.rest;
  22
  23 import org.hibernate.HibernateException;
  24 import org.hibernate.Session;
  25 import org.hibernate.SessionFactory;
  26 import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
  27 import org.hibernate.cfg.Configuration;
  28 import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
  29 import org.openecomp.policy.common.logging.flexlogger.Logger;
  30
  31 public class HibernateSession{
  32
  33         private static final Logger LOGGER      = FlexLogger.getLogger(HibernateSession.class);
  34         private static SessionFactory xacmlsessionFactory;
  35
  36         static {
  37                 try {
  38                         Configuration configuration= new Configuration();
  39                         configuration.setProperty("hibernate.connection.url", XACMLPapServlet.papDbUrl);
  40                         configuration.setProperty("hibernate.connection.username", XACMLPapServlet.papDbUser);
  41                         configuration.setProperty("hibernate.connection.password", XACMLPapServlet.papDbPassword);
  42                         configuration.setProperty("hibernate.dialect", "org.hibernate.dialect.MySQLDialect");
  43                         configuration.setProperty("hibernate.connection.driver_class", XACMLPapServlet.papDbDriver);
  44                         configuration.setProperty("hibernate.show_sql", "false");
  45                         configuration.setProperty("hibernate.connection.autocommit", "true");
  46                         configuration.setProperty("hibernate.c3p0.min_size", "5");
  47                         configuration.setProperty("hibernate.c3p0.max_size", "200");
  48                         configuration.setProperty("hibernate.c3p0.timeout", "3600");
  49                         configuration.setProperty("hibernate.c3p0.idle_test_period", "3600");
  50                         configuration.setProperty("hibernate.cache.use.query_cache", "false");
  51                         configuration.setProperty("hibernate.cache.use_second_level_cache", "false");
  52
  53                         StandardServiceRegistryBuilder builder = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties());
  54                         xacmlsessionFactory = configuration.configure("/hibernate.cfg.xml").buildSessionFactory(builder.build());
  55
  56                 } catch (Throwable ex) {
  57                         LOGGER.error("Exception Occured While Creating Hiberante Session Factory"+ex);
  58                         throw new ExceptionInInitializerError(ex);
  59                 }
  60         }
  61
  62         public static Session getSessionFactory() throws HibernateException {
  63                 return xacmlsessionFactory.openSession();
  64         }
  65
  66 }