/*
* Copyright (c) 2010 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.mappers;
import java.util.List;
import org.eurekastreams.server.action.request.DeleteFromSearchIndexRequest;
import org.hibernate.Session;
import org.hibernate.search.FullTextSession;
/**
* Mapper to purge items from search index.
*
*/
public class DeleteFromSearchIndex extends BaseArgDomainMapper<DeleteFromSearchIndexRequest, Boolean>
{
/**
* Purge itmes from search index.
*
* @param inRequest
* {@link DeleteFromSearchIndexRequest}.
* @return True if successful.
*/
@Override
public Boolean execute(final DeleteFromSearchIndexRequest inRequest)
{
FullTextSession session = getFullTextSession();
Class< ? > clazz = inRequest.getClazz();
List<Long> ids = inRequest.getIds();
for (Long id : ids)
{
session.purge(clazz, id);
}
return Boolean.TRUE;
}
/**
* Get the FullTextSession.
*
* Protected to override in a child class just for unit testing - this wraps the unavoidable singleton call to
* Search.getFullTextSession.
*
* It's not safe to keep a FullTextSession around in a singleton object across requests - the connection will be
* closed.
*
* @return the FullTextSession
*/
protected FullTextSession getFullTextSession()
{
return org.hibernate.search.Search.getFullTextSession((Session) getEntityManager().getDelegate());
}
}