/*
* Copyright (c) 2009 Lockheed Martin Corporation
*
* 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 org.eurekastreams.server.persistence;
import java.util.List;
import javax.persistence.Query;
import org.eurekastreams.server.persistence.mappers.cache.CacheKeys;
import org.eurekastreams.server.persistence.mappers.stream.CachedDomainMapper;
import org.eurekastreams.server.search.modelview.DomainGroupModelView;
import org.eurekastreams.server.search.modelview.PersonModelView;
/**
* Mapper to handle cache updates when an organization is renamed.
*/
public class UpdateCachedOrganizationName extends CachedDomainMapper
{
/**
* Performs the database lookup of parent orgs that need to be renamed and updates the cached items as necessary.
*
* @param organizationId
* The organization id that was renamed.
* @param newOrganizationName
* The new organization name.
*/
public void execute(final long organizationId, final String newOrganizationName)
{
// updates for person
List<Long> personIds = queryForIds("Person", organizationId);
for (Long id : personIds)
{
PersonModelView person = (PersonModelView) getCache().get(CacheKeys.PERSON_BY_ID + id);
if (person != null)
{
person.setParentOrganizationName(newOrganizationName);
getCache().set(CacheKeys.PERSON_BY_ID + id, person);
}
}
// updates for domainGroup
List<Long> groupIds = queryForIds("DomainGroup", organizationId);
for (Long id : groupIds)
{
DomainGroupModelView group = (DomainGroupModelView) getCache().get(CacheKeys.GROUP_BY_ID + id);
if (group != null)
{
group.setParentOrganizationName(newOrganizationName);
getCache().set(CacheKeys.GROUP_BY_ID + id, group);
}
}
}
/**
* Performs the database lookup for items that have this org as a parent.
*
* @param entityName
* the name of the entity to be queried.
* @param id
* the id to be included in the where clause.
* @return the list of Long ids found by the query.
*/
@SuppressWarnings("unchecked")
private List<Long> queryForIds(final String entityName, final long id)
{
// Runs database query for list of ids
Query q = getEntityManager().createQuery(
"select x.id from " + entityName + " x where x.parentOrganization.id = :id").setParameter("id", id);
List<Long> results = q.getResultList();
return results;
}
}