fr.cph.stock.dao.FollowDaoImpl.java Source code

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Here is the source code for fr.cph.stock.dao.FollowDaoImpl.java

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/**
 * Copyright 2013 Carl-Philipp Harmant
 *
 * 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 fr.cph.stock.dao;

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

import org.apache.ibatis.session.SqlSession;

import fr.cph.stock.entities.Follow;

/**
 * This class implements IDao functions and add some more. It access to the Follow object in DB.
 * 
 * @author Carl-Philipp Harmant
 * 
 */
public class FollowDaoImpl extends AbstractDao<Follow> {

    @Override
    public final void insert(final Follow follow) {
        SqlSession session = getSqlSessionFactory();
        try {
            session.insert("FollowDao.insertOneFollow", follow);
            session.commit();
        } finally {
            session.close();
        }
    }

    @Override
    public final Follow select(final int id) {
        SqlSession session = getSqlSessionFactory();
        Follow follow = null;
        try {
            follow = session.selectOne("FollowDao.selectOneFollow", id);
        } finally {
            session.close();
        }
        return follow;
    }

    @Override
    public final void update(final Follow follow) {
        SqlSession session = getSqlSessionFactory();
        try {
            session.update("FollowDao.updateOneFollow", follow);
            session.commit();
        } finally {
            session.close();
        }
    }

    @Override
    public final void delete(final Follow follow) {
        SqlSession session = getSqlSessionFactory();
        try {
            session.delete("FollowDao.deleteOneFollow", follow);
            session.commit();
        } finally {
            session.close();
        }
    }

    /**
     * Get a list of company of the user given
     * 
     * @param userId
     *            the user id
     * @return a list of follow
     */
    public final List<Follow> selectListFollow(final int userId) {
        SqlSession session = getSqlSessionFactory();
        List<Follow> follow = null;
        try {
            follow = session.selectList("FollowDao.selectListFollow", userId);
        } finally {
            session.close();
        }
        return follow;
    }

    /**
     * Get on company that the user follow
     * 
     * @param userId
     *            the user id
     * @param companyId
     *            the company id
     * @return a Follow object
     */
    public final Follow selectOneFollow(final int userId, final int companyId) {
        SqlSession session = getSqlSessionFactory();
        Follow follow = null;
        Map<String, Integer> map = new HashMap<String, Integer>();
        map.put("userId", userId);
        map.put("companyId", companyId);
        try {
            follow = session.selectOne("FollowDao.selectOneFollow", map);
        } finally {
            session.close();
        }
        return follow;
    }
}