com.brienwheeler.svc.usergroups.impl.UserGroupMemberDao.java Source code

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Here is the source code for com.brienwheeler.svc.usergroups.impl.UserGroupMemberDao.java

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/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2013 Brien L. Wheeler (brienwheeler@yahoo.com)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.brienwheeler.svc.usergroups.impl;

import java.util.List;

import javax.persistence.Query;

import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import com.brienwheeler.lib.db.dao.DeletableDaoBase;
import com.brienwheeler.svc.usergroups.domain.UserGroup;
import com.brienwheeler.svc.usergroups.domain.UserGroupMember;
import com.brienwheeler.svc.users.domain.User;

public class UserGroupMemberDao extends DeletableDaoBase<UserGroupMember> implements IUserGroupMemberDao {
    @Override
    public Class<UserGroupMember> getEntityClass() {
        return UserGroupMember.class;
    }

    @Override
    @Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
    public UserGroupMember findForGroupAndUser(UserGroup userGroup, User user) {
        Query query = entityManager
                .createQuery("from UserGroupMember where userGroup = :userGroup and user = :user");
        query.setParameter("userGroup", userGroup);
        query.setParameter("user", user);
        return getSingleResultOrNull(query);
    }

    @Override
    @Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
    @SuppressWarnings("unchecked")
    public List<UserGroupMember> findForUser(User user) {
        Query query = entityManager.createQuery("from UserGroupMember where user = :user");
        query.setParameter("user", user);
        return (List<UserGroupMember>) query.getResultList();
    }

    @Override
    @Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
    @SuppressWarnings("unchecked")
    public List<UserGroupMember> findForUserAndType(User user, String groupType) {
        Query query = entityManager
                .createQuery("from UserGroupMember u where u.user = :user and u.userGroup.groupType = :groupType");
        query.setParameter("user", user);
        query.setParameter("groupType", groupType);
        return (List<UserGroupMember>) query.getResultList();
    }

    @Override
    @Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
    @SuppressWarnings("unchecked")
    public List<UserGroupMember> findForGroup(UserGroup userGroup) {
        Query query = entityManager.createQuery("from UserGroupMember where userGroup = :userGroup");
        query.setParameter("userGroup", userGroup);
        return (List<UserGroupMember>) query.getResultList();
    }

}