JpaPersistenceConfiguration.java

/* 
 * Copyright (C) 2014 GG-Net GmbH - Oliver Günther
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package eu.ggnet.dwoss.util.persistence;

import java.util.HashMap;
import java.util.Map;

/**
 *
 * @author oliver.guenther
 */
public class JpaPersistenceConfiguration {

    /**
     * Returns a plain jpa configuration using a hsqldb in memory.
     * <p/>
     * @param db
     * @return a plain jpa configuration using a hsqldb in memory.
     */
    public static Map<String, String> asHsqldbInMemory(String db) {
        Map<String, String> o = new HashMap<>();
        o.put("hibernate.show_sql", "false");
        o.put("hibernate.hbm2ddl.auto", "create-drop");
        o.put("hibernate.jdbc.batch_size", "0");
        o.put("javax.persistence.jtaDataSource", "");
        o.put("javax.persistence.nonJtaDataSource", "");
        o.put("javax.persistence.jdbc.driver", "org.hsqldb.jdbcDriver");
        o.put("javax.persistence.jdbc.user", "sa");
        o.put("javax.persistence.jdbc.password", "");
        o.put("javax.persistence.jdbc.url", "jdbc:hsqldb:mem:" + db);
        return o;
    }

    public static Map<String, String> asHsqldbInMemoryWithSearchRam(String db) {
        Map<String, String> o = asHsqldbInMemory(db);
        o.put("hibernate.search.default.directory_provider", "ram");
        o.put("hibernate.search.default.indexmanager", "near-real-time");
        return o;
    }

}