monasca.api.infrastructure.persistence.hibernate.HibernateUtil.java Source code

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Here is the source code for monasca.api.infrastructure.persistence.hibernate.HibernateUtil.java

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/*
 * Copyright 2015 FUJITSU LIMITED
 *
 * 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 monasca.api.infrastructure.persistence.hibernate;

import java.util.Properties;

import org.hibernate.HibernateException;
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;

import monasca.common.hibernate.db.AlarmActionDb;
import monasca.common.hibernate.db.AlarmDb;
import monasca.common.hibernate.db.AlarmDefinitionDb;
import monasca.common.hibernate.db.AlarmMetricDb;
import monasca.common.hibernate.db.MetricDefinitionDb;
import monasca.common.hibernate.db.MetricDefinitionDimensionsDb;
import monasca.common.hibernate.db.MetricDimensionDb;
import monasca.common.hibernate.db.NotificationMethodDb;
import monasca.common.hibernate.db.SubAlarmDb;
import monasca.common.hibernate.db.SubAlarmDefinitionDb;
import monasca.common.hibernate.db.SubAlarmDefinitionDimensionDb;

class HibernateUtil {

    private static Configuration CONFIGURATION = null;

    static {
        try {
            Configuration configuration = new Configuration();

            configuration.addAnnotatedClass(AlarmDb.class);
            configuration.addAnnotatedClass(AlarmDefinitionDb.class);
            configuration.addAnnotatedClass(AlarmMetricDb.class);
            configuration.addAnnotatedClass(MetricDefinitionDb.class);
            configuration.addAnnotatedClass(MetricDefinitionDimensionsDb.class);
            configuration.addAnnotatedClass(MetricDimensionDb.class);
            configuration.addAnnotatedClass(SubAlarmDefinitionDb.class);
            configuration.addAnnotatedClass(SubAlarmDefinitionDimensionDb.class);
            configuration.addAnnotatedClass(SubAlarmDb.class);
            configuration.addAnnotatedClass(AlarmActionDb.class);
            configuration.addAnnotatedClass(NotificationMethodDb.class);

            configuration.setProperties(getHikariH2Properties());

            HibernateUtil.CONFIGURATION = configuration;
        } catch (Throwable ex) {
            // Make sure you log the exception, as it might be swallowed
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }

    private static Properties getHikariPostgresProperties() {
        Properties properties = new Properties();
        properties.put("hibernate.connection.provider_class",
                "com.zaxxer.hikari.hibernate.HikariConnectionProvider");
        properties.put("hibernate.hbm2ddl.auto", "validate");
        properties.put("show_sql", true);
        properties.put("hibernate.hikari.dataSourceClassName", "org.postgresql.ds.PGPoolingDataSource");
        properties.put("hibernate.hikari.dataSource.serverName", "localhost");
        properties.put("hibernate.hikari.dataSource.portNumber", "5432");
        properties.put("hibernate.hikari.dataSource.databaseName", "mon");
        properties.put("hibernate.hikari.dataSource.user", "mon");
        properties.put("hibernate.hikari.dataSource.password", "mon");
        properties.put("hibernate.hikari.dataSource.initialConnections", "25");
        properties.put("hibernate.hikari.dataSource.maxConnections", "100");
        properties.put("hibernate.hikari.connectionTestQuery", "SELECT 1");
        return properties;
    }

    private static Properties getHikariMySqlProperties() {
        Properties properties = new Properties();
        properties.put("hibernate.connection.provider_class",
                "com.zaxxer.hikari.hibernate.HikariConnectionProvider");
        properties.put("hibernate.hbm2ddl.auto", "create-drop");
        properties.put("show_sql", true);
        properties.put("hibernate.hikari.dataSourceClassName", "com.mysql.jdbc.jdbc2.optional.MysqlDataSource");
        properties.put("hibernate.hikari.dataSource.url",
                "jdbc:mysql://localhost:3306/mon?useLegacyDatetimeCode=false&serverTimezone=UTC");
        properties.put("hibernate.hikari.dataSource.user", "root");
        properties.put("hibernate.hikari.dataSource.password", "");
        return properties;
    }

    private static Properties getHikariH2Properties() {
        Properties properties = new Properties();
        properties.put("hibernate.connection.provider_class",
                "com.zaxxer.hikari.hibernate.HikariConnectionProvider");
        properties.put("hibernate.hbm2ddl.auto", "create-drop");
        properties.put("show_sql", false);
        properties.put("hibernate.hikari.dataSourceClassName", "org.h2.jdbcx.JdbcDataSource");
        properties.put("hibernate.hikari.dataSource.url", "jdbc:h2:mem:mon;MODE=PostgreSQL");
        properties.put("hibernate.hikari.dataSource.user", "sa");
        properties.put("hibernate.hikari.dataSource.password", "");
        return properties;
    }

    public static SessionFactory getSessionFactory() throws HibernateException {
        ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
                .applySettings(CONFIGURATION.getProperties()).build();
        return CONFIGURATION.buildSessionFactory(serviceRegistry);
    }
}