Java tutorial
/* * Copyright (c) 2009-2010 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; import java.util.List; import javax.persistence.Query; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.eurekastreams.commons.hibernate.QueryOptimizer; import org.eurekastreams.server.domain.Job; /** * This class provides the mapper functionality for Job entities. */ public class JobMapper extends DomainEntityMapper<Job> { /** * Local log instance. */ private static Log logger = LogFactory.getLog(JobMapper.class); /** * The person mapper. */ private PersonMapper personMapper; /** * Constructor. * * @param inQueryOptimizer * the QueryOptimizer to use for specialized functions. * * @param inPersonMapper * the person mapper. */ public JobMapper(final QueryOptimizer inQueryOptimizer, final PersonMapper inPersonMapper) { super(inQueryOptimizer); personMapper = inPersonMapper; } /** * Get the domain entity name for the generic query operations. * * @return the domain entity name for the gadget query operations. */ @Override protected String getDomainEntityName() { return "Job"; } /** * Find a person's jobs. * * @param inOpenSocialId * Open Social ID of the person * * @return list of jobs for the person */ @SuppressWarnings("unchecked") public List<Job> findPersonJobsByOpenSocialId(final String inOpenSocialId) { Query q = getEntityManager().createQuery( "from Job j where j.person.openSocialId = :openSocialId order by j.dateTo DESC, j.dateFrom DESC") .setParameter("openSocialId", inOpenSocialId); return q.getResultList(); } /** * Find a person's jobs by person id. * * @param inId * ID of the person * * @return list of jobs for the person */ @SuppressWarnings("unchecked") public List<Job> findPersonJobsById(final Long inId) { Query q = getEntityManager() .createQuery("from Job j where j.person.id = :id order by j.dateTo DESC, j.dateFrom DESC") .setParameter("id", inId); return q.getResultList(); } /** * Delete a person's job. * * @param inJobId * The Job to delete. */ public void delete(final long inJobId) { Job job = findById(inJobId); getEntityManager().remove(job); } /** * Look up company names starting with the given prefix. * * @param prefix * the company name prefix to search for * @param limit * the maximum number of companies to return * @return the list of company names */ @SuppressWarnings("unchecked") public List<String> findCompaniesByPrefix(final String prefix, final int limit) { String searchParam = prefix.toLowerCase() + "%"; Query query = getEntityManager() .createQuery("select distinct(companyName) from Job j where lower(j.companyName) like :prefix " + "order by companyName"); query.setMaxResults(limit); query.setParameter("prefix", searchParam); return query.getResultList(); } /** * Look up job titles starting with the given prefix. * * @param prefix * the title prefix to search for * @param limit * the maximum number of titles to return * @return the list of titles */ @SuppressWarnings("unchecked") public List<String> findTitlesByPrefix(final String prefix, final int limit) { String searchParam = prefix.toLowerCase() + "%"; Query query = getEntityManager().createQuery( "select distinct(title) from Job j where lower(j.title) like :prefix " + "order by title"); query.setMaxResults(limit); query.setParameter("prefix", searchParam); return query.getResultList(); } /** * Flushes and updates the index of the person. * * @param uuid * the uuid of the person to update. */ public void flush(final String uuid) { flush(); getFullTextSession().index(personMapper.findByOpenSocialId(uuid)); } }