pl.edu.agh.samm.db.impl.AbstractDao.java Source code

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Here is the source code for pl.edu.agh.samm.db.impl.AbstractDao.java

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/**
 * This file is part of SAMM.
 *
 * SAMM 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.
 *
 * SAMM 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 SAMM.  If not, see <http://www.gnu.org/licenses/>.
 */

package pl.edu.agh.samm.db.impl;

import java.util.Collections;
import java.util.Map;

import javax.sql.DataSource;

import org.springframework.jdbc.core.simple.SimpleJdbcTemplate;
import org.springframework.transaction.annotation.Transactional;

/**
 * @author Pawel Koperek <pkoperek@gmail.com>
 * @author Mateusz Kupisz <mkupisz@gmail.com>
 * 
 */
public abstract class AbstractDao {

    private static final String SQL_IDENTITY = "CALL IDENTITY()";

    private SimpleJdbcTemplate simpleJdbcTemplate;

    /**
     * Gets last id of insert statement. Method using that <b>must be annotated
     * with {@link Transactional} with propagation set to at least SUPPORTS</b>
     * 
     * @return
     */
    protected Integer getLastId() {
        Map<String, Object> emptyMap = Collections.emptyMap();
        return simpleJdbcTemplate.queryForInt(SQL_IDENTITY, emptyMap);
    }

    public void setDataSource(DataSource dataSource) {
        this.simpleJdbcTemplate = new SimpleJdbcTemplate(dataSource);
    }

    protected SimpleJdbcTemplate getSimpleJdbcTemplate() {
        return simpleJdbcTemplate;
    }

}