/**
* Licensed to Jasig under one or more contributor license
* agreements. See the NOTICE file distributed with this work
* for additional information regarding copyright ownership.
* Jasig licenses this file to you 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 org.jasig.portal.fragment.subscribe.dao.jpa;
import java.util.ArrayList;
import java.util.List;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.ParameterExpression;
import javax.persistence.criteria.Root;
import org.apache.commons.lang.Validate;
import org.jasig.portal.fragment.subscribe.IUserFragmentSubscription;
import org.jasig.portal.fragment.subscribe.dao.IUserFragmentSubscriptionDao;
import org.jasig.portal.jpa.BasePortalJpaDao;
import org.jasig.portal.security.IPerson;
import org.springframework.dao.support.DataAccessUtils;
import org.springframework.stereotype.Repository;
import com.google.common.base.Function;
/**
* DAO for retrieving information about fragments (pre-formatted tabs) to
* which a user has subscribed.
*
* @author Mary Hunt
* @version $Revision$ $Date$
*/
@Repository
public class JpaUserFragmentSubscriptionDaoImpl extends BasePortalJpaDao implements IUserFragmentSubscriptionDao {
private CriteriaQuery<UserFragmentSubscriptionImpl> findUserFragmentInfoByPersonQuery;
private CriteriaQuery<UserFragmentSubscriptionImpl> findUserFragmentInfoByPersonAndOwnerQuery;
private CriteriaQuery<String> findUsersWithActiveSubscriptionsQuery;
private ParameterExpression<Integer> userIdParameter;
private ParameterExpression<String> fragmentOwnerParameter;
@Override
public void afterPropertiesSet() throws Exception {
this.userIdParameter = this.createParameterExpression(Integer.TYPE, "userId");
this.fragmentOwnerParameter = this.createParameterExpression(String.class, "fragmentOwner");
this.findUserFragmentInfoByPersonQuery = this.createCriteriaQuery(new Function<CriteriaBuilder, CriteriaQuery<UserFragmentSubscriptionImpl>>() {
@Override
public CriteriaQuery<UserFragmentSubscriptionImpl> apply(CriteriaBuilder cb) {
final CriteriaQuery<UserFragmentSubscriptionImpl> criteriaQuery = cb.createQuery(UserFragmentSubscriptionImpl.class);
final Root<UserFragmentSubscriptionImpl> root = criteriaQuery.from(UserFragmentSubscriptionImpl.class);
criteriaQuery.select(root);
criteriaQuery.where(cb.equal(root.get(UserFragmentSubscriptionImpl_.userId), userIdParameter));
return criteriaQuery;
}
});
this.findUserFragmentInfoByPersonAndOwnerQuery = this.createCriteriaQuery(new Function<CriteriaBuilder, CriteriaQuery<UserFragmentSubscriptionImpl>>() {
@Override
public CriteriaQuery<UserFragmentSubscriptionImpl> apply(CriteriaBuilder cb) {
final CriteriaQuery<UserFragmentSubscriptionImpl> criteriaQuery = cb.createQuery(UserFragmentSubscriptionImpl.class);
final Root<UserFragmentSubscriptionImpl> root = criteriaQuery.from(UserFragmentSubscriptionImpl.class);
criteriaQuery.select(root);
criteriaQuery.where(cb.and(cb.equal(root.get(UserFragmentSubscriptionImpl_.userId), userIdParameter),
cb.equal(root.get(UserFragmentSubscriptionImpl_.fragmentOwner), fragmentOwnerParameter)));
return criteriaQuery;
}
});
this.findUsersWithActiveSubscriptionsQuery = this.createCriteriaQuery(new Function<CriteriaBuilder, CriteriaQuery<String>>() {
@Override
public CriteriaQuery<String> apply(CriteriaBuilder cb) {
final CriteriaQuery<String> criteriaQuery = cb.createQuery(String.class);
final Root<UserFragmentSubscriptionImpl> root = criteriaQuery.from(UserFragmentSubscriptionImpl.class);
criteriaQuery.select(root.get(UserFragmentSubscriptionImpl_.createdBy));
criteriaQuery.where(cb.equal(root.get(UserFragmentSubscriptionImpl_.active), true));
return criteriaQuery;
}
});
}
@Override
@PortalTransactional
public IUserFragmentSubscription createUserFragmentInfo(IPerson person, IPerson fragmentOwner) {
final IUserFragmentSubscription userFragmentInfo = new UserFragmentSubscriptionImpl(person, fragmentOwner);
this.getEntityManager().persist(userFragmentInfo);
return userFragmentInfo;
}
@Override
@PortalTransactional
public void deleteUserFragmentInfo(IUserFragmentSubscription userFragmentInfo) {
Validate.notNull(userFragmentInfo, "user fragment info can not be null");
userFragmentInfo.setInactive();
this.getEntityManager().persist(userFragmentInfo);
}
@Override
public List<IUserFragmentSubscription> getUserFragmentInfo(IPerson person) {
final TypedQuery<UserFragmentSubscriptionImpl> query = createCachedQuery(this.findUserFragmentInfoByPersonQuery);
query.setParameter(this.userIdParameter, person.getID());
final List<UserFragmentSubscriptionImpl> fragmentSubscriptions = query.getResultList();
return new ArrayList<IUserFragmentSubscription>(fragmentSubscriptions);
}
@Override
public IUserFragmentSubscription getUserFragmentInfo(IPerson person, IPerson fragmentOwner) {
final TypedQuery<UserFragmentSubscriptionImpl> query = createCachedQuery(this.findUserFragmentInfoByPersonAndOwnerQuery);
query.setParameter(this.userIdParameter, person.getID());
query.setParameter(this.fragmentOwnerParameter, fragmentOwner.getUserName());
final List<UserFragmentSubscriptionImpl> fragmentSubscriptions = query.getResultList();
return DataAccessUtils.uniqueResult(fragmentSubscriptions);
}
@Override
public IUserFragmentSubscription getUserFragmentInfo(long userFragmentInfoId) {
final UserFragmentSubscriptionImpl userFragmentInfo = this.getEntityManager()
.find(UserFragmentSubscriptionImpl.class, userFragmentInfoId);
return userFragmentInfo;
}
@Override
@PortalTransactional
public void updateUserFragmentInfo(IUserFragmentSubscription userFragmentInfo) {
Validate.notNull(userFragmentInfo, "user fragment info can not be null");
this.getEntityManager().persist(userFragmentInfo);
}
@Override
public List<String> getAllUsersWithActiveSubscriptions() {
final TypedQuery<String> query = createCachedQuery(this.findUsersWithActiveSubscriptionsQuery);
return query.getResultList();
}
}