com.tysanclan.site.projectewok.entities.dao.hibernate.UserGameRealmDAOImpl.java Source code

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/**
 * Tysan Clan Website
 * Copyright (C) 2008-2013 Jeroen Steenbeeke and Ties van de Ven
 *
 * 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 com.tysanclan.site.projectewok.entities.dao.hibernate;

import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.Query;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

import com.jeroensteenbeeke.hyperion.data.SearchFilter;
import com.tysanclan.site.projectewok.dataaccess.EwokHibernateDAO;
import com.tysanclan.site.projectewok.entities.Game;
import com.tysanclan.site.projectewok.entities.Realm;
import com.tysanclan.site.projectewok.entities.User;
import com.tysanclan.site.projectewok.entities.UserGameRealm;
import com.tysanclan.site.projectewok.entities.dao.filters.UserGameRealmFilter;
import com.tysanclan.site.projectewok.util.MemberUtil;

/**
 * @author Jeroen Steenbeeke
 */
@Component
@Scope("request")
class UserGameRealmDAOImpl extends EwokHibernateDAO<UserGameRealm>
        implements com.tysanclan.site.projectewok.entities.dao.UserGameRealmDAO {
    @Override
    protected Criteria createCriteria(SearchFilter<UserGameRealm> filter) {
        Criteria criteria = getSession().createCriteria(UserGameRealm.class);

        if (filter instanceof UserGameRealmFilter) {
            UserGameRealmFilter cf = (UserGameRealmFilter) filter;
            if (cf.getUser() != null) {
                criteria.add(Restrictions.eq("user", cf.getUser()));
            }
            if (cf.getGame() != null) {
                criteria.add(Restrictions.eq("game", cf.getGame()));
            }
            if (cf.getRealm() != null) {
                criteria.add(Restrictions.eq("realm", cf.getRealm()));
            }
        }

        return criteria;
    }

    /**
     * @see com.tysanclan.site.projectewok.entities.dao.UserGameRealmDAO#getActiveUsers(com.tysanclan.site.projectewok.entities.Game,
     *      com.tysanclan.site.projectewok.entities.Realm)
     */
    @SuppressWarnings("unchecked")
    @Override
    public List<User> getActiveUsers(Game game, Realm realm) {
        Criteria criteria = getSession().createCriteria(User.class);

        criteria.add(Restrictions.in("rank", MemberUtil.getMemberRanks()));

        Criteria sub = criteria.createCriteria("playedGames");
        sub.add(Restrictions.eq("game", game));
        sub.add(Restrictions.eq("realm", realm));

        return criteria.list();
    }

    /**
     * @see com.tysanclan.site.projectewok.entities.dao.UserGameRealmDAO#countActivePlayers(com.tysanclan.site.projectewok.entities.Realm)
     */
    @Override
    public int countActivePlayers(Realm realm) {
        Criteria criteria = getSession().createCriteria(UserGameRealm.class);

        criteria.createAlias("user", "user");
        criteria.add(Restrictions.in("user.rank", MemberUtil.getMemberRanks()));

        criteria.add(Restrictions.eq("realm", realm));
        criteria.setProjection(Projections.countDistinct("user"));

        return ((Number) criteria.uniqueResult()).intValue();
    }

    @Override
    public int countActivePlayers(Game game) {
        Criteria criteria = getSession().createCriteria(UserGameRealm.class);

        criteria.add(Restrictions.eq("game", game));
        criteria.setProjection(Projections.countDistinct("user"));

        return ((Number) criteria.uniqueResult()).intValue();
    }

    @Override
    public void removeUserGameRealmsByRealm(Realm realm) {
        Query query = getSession().createQuery("delete from UserGameRealm where realm = :realm");
        query.setEntity("realm", realm);
        query.executeUpdate();
    }

    @Override
    public void removeUserGameRealmsByGame(Game game) {
        Query query = getSession().createQuery("delete from UserGameRealm where game = :game");
        query.setEntity("game", game);
        query.executeUpdate();
    }
}