nl.surfnet.coin.teams.service.impl.JoinTeamRequestServiceHibernateImpl.java Source code

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Here is the source code for nl.surfnet.coin.teams.service.impl.JoinTeamRequestServiceHibernateImpl.java

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/*
 * Copyright 2011 SURFnet bv, The Netherlands
 *
 * 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 nl.surfnet.coin.teams.service.impl;

import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;
import org.hibernate.criterion.SimpleExpression;
import nl.surfnet.coin.api.client.domain.Person;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

import nl.surfnet.coin.shared.service.GenericServiceHibernateImpl;
import nl.surfnet.coin.teams.domain.JoinTeamRequest;
import nl.surfnet.coin.teams.domain.Team;
import nl.surfnet.coin.teams.service.JoinTeamRequestService;

/**
 * Hibernate implementation for {@link JoinTeamRequestService}
 */
@Component("joinTeamRequestService")
public class JoinTeamRequestServiceHibernateImpl extends GenericServiceHibernateImpl<JoinTeamRequest>
        implements JoinTeamRequestService {

    public JoinTeamRequestServiceHibernateImpl() {
        super(JoinTeamRequest.class);
    }

    /**
     * Constructor
     *
     * @param type the clazz
     */
    public JoinTeamRequestServiceHibernateImpl(Class<JoinTeamRequest> type) {
        super(type);
    }

    /**
     * {@inheritDoc}
     */
    @SuppressWarnings({ "unchecked" })
    @Override
    public List<JoinTeamRequest> findPendingRequests(Team team) {
        Criteria criteria = createCriteria();
        criteria.add(Restrictions.eq("groupId", team.getId()));
        criteria.addOrder(Order.asc("personId"));
        return criteria.list();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public JoinTeamRequest findPendingRequest(Person person, Team team) {
        SimpleExpression personId = Restrictions.eq("personId", person.getId());
        SimpleExpression groupId = Restrictions.eq("groupId", team.getId());
        List<JoinTeamRequest> list = findByCriteria(personId, groupId);
        return CollectionUtils.isEmpty(list) ? null : list.get(0);
    }
}