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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.api.service;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.UUID;
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import org.apache.log4j.Logger;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import eu.etaxonomy.cdm.api.service.config.IIdentifiableEntityServiceConfigurator;
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import eu.etaxonomy.cdm.api.service.pager.Pager;
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import eu.etaxonomy.cdm.api.service.pager.impl.DefaultPagerImpl;
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import eu.etaxonomy.cdm.common.monitor.IProgressMonitor;
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import eu.etaxonomy.cdm.model.agent.Address;
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import eu.etaxonomy.cdm.model.agent.AgentBase;
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import eu.etaxonomy.cdm.model.agent.Institution;
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import eu.etaxonomy.cdm.model.agent.InstitutionalMembership;
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import eu.etaxonomy.cdm.model.agent.Person;
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import eu.etaxonomy.cdm.model.agent.Team;
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import eu.etaxonomy.cdm.model.agent.TeamOrPersonBase;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.persistence.dao.agent.IAgentDao;
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import eu.etaxonomy.cdm.persistence.dao.common.ICdmGenericDao;
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import eu.etaxonomy.cdm.persistence.dto.UuidAndTitleCache;
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import eu.etaxonomy.cdm.strategy.cache.common.IIdentifiableEntityCacheStrategy;
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import eu.etaxonomy.cdm.strategy.merge.ConvertMergeStrategy;
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import eu.etaxonomy.cdm.strategy.merge.DefaultMergeStrategy;
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import eu.etaxonomy.cdm.strategy.merge.IMergeStrategy;
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import eu.etaxonomy.cdm.strategy.merge.MergeException;
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import eu.etaxonomy.cdm.strategy.merge.MergeMode;
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/**
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* @author a.mueller
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*/
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@Service
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@Transactional(readOnly = true)
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public class AgentServiceImpl
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extends IdentifiableServiceBase<AgentBase,IAgentDao>
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implements IAgentService {
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private static final Logger logger = Logger.getLogger(AgentServiceImpl.class);
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@Autowired
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private ICdmGenericDao genericDao;
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@Override
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@Autowired
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protected void setDao(IAgentDao dao) {
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assert dao != null;
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this.dao = dao;
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}
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/**
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* Constructor
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*/
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public AgentServiceImpl(){
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if (logger.isDebugEnabled()) { logger.debug("Load AgentService Bean"); }
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}
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@Override
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@Transactional(readOnly = false)
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public UpdateResult updateCaches(Class<? extends AgentBase> clazz, Integer stepSize, IIdentifiableEntityCacheStrategy<AgentBase> cacheStrategy, IProgressMonitor monitor) {
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if (clazz == null){
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clazz = AgentBase.class;
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}
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return super.updateCachesImpl(clazz, stepSize, cacheStrategy, monitor);
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}
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@Override
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public List<Institution> searchInstitutionByCode(String code) {
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return dao.getInstitutionByCode(code);
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}
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@Override
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public Pager<InstitutionalMembership> getInstitutionalMemberships(Person person, Integer pageSize, Integer pageNumber) {
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long numberOfResults = dao.countInstitutionalMemberships(person);
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List<InstitutionalMembership> results = new ArrayList<>();
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if(numberOfResults > 0) { // no point checking again //TODO use AbstractPagerImpl.hasResultsInRange(numberOfResults, pageNumber, pageSize)
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results = dao.getInstitutionalMemberships(person, pageSize, pageNumber);
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}
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return new DefaultPagerImpl<>(pageNumber, numberOfResults, pageSize, results);
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}
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@Override
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public Pager<Person> getMembers(Team team, Integer pageSize, Integer pageNumber) {
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long numberOfResults = dao.countMembers(team);
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List<Person> results = new ArrayList<>();
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if(numberOfResults > 0) { // no point checking again //TODO use AbstractPagerImpl.hasResultsInRange(numberOfResults, pageNumber, pageSize)
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results = dao.getMembers(team, pageSize, pageNumber);
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}
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return new DefaultPagerImpl<>(pageNumber, numberOfResults, pageSize, results);
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}
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@Override
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public Pager<Address> getAddresses(AgentBase agent, Integer pageSize, Integer pageNumber) {
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long numberOfResults = dao.countAddresses(agent);
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List<Address> results = new ArrayList<>();
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if(numberOfResults > 0) { // no point checking again //TODO use AbstractPagerImpl.hasResultsInRange(numberOfResults, pageNumber, pageSize)
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results = dao.getAddresses(agent, pageSize, pageNumber);
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}
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return new DefaultPagerImpl<>(pageNumber, numberOfResults, pageSize, results);
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}
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@Override
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public List<UuidAndTitleCache<Team>> getTeamUuidAndNomenclaturalTitle() {
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return dao.getTeamUuidAndNomenclaturalTitle();
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}
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@Override
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public List<UuidAndTitleCache<Person>> getPersonUuidAndTitleCache() {
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return dao.getPersonUuidAndTitleCache();
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}
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@Override
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public List<UuidAndTitleCache<Team>> getTeamUuidAndTitleCache() {
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return dao.getTeamUuidAndTitleCache();
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}
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@Override
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public List<UuidAndTitleCache<Institution>> getInstitutionUuidAndTitleCache(Integer limit, String pattern) {
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return dao.getUuidAndAbbrevTitleCache(Institution.class, limit, pattern);
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}
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@Override
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@Transactional(readOnly = false)
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public DeleteResult delete(UUID agentUUID){
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DeleteResult result = new DeleteResult();
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if (agentUUID == null){
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result.setAbort();
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result.addException(new Exception("Can't delete object without UUID."));
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return result;
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}
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AgentBase base = dao.load(agentUUID);
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result = isDeletable(agentUUID, null);
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if (result.isOk()){
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if (base instanceof Team){
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Team baseTeam = (Team) base;
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List<Person> members = baseTeam.getTeamMembers();
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List<Person> temp = new ArrayList<>();
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for (Person member:members){
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temp.add(member);
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}
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for (Person member: temp){
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members.remove(member);
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}
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}
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saveOrUpdate(base);
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dao.delete(base);
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result.addDeletedObject(base);
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}
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return result;
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}
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@Override
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public DeleteResult delete(AgentBase agent){
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return delete(agent.getUuid());
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}
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@Override
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@Transactional(readOnly = false)
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public UpdateResult convertTeam2Person(UUID teamUuid) throws MergeException {
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Team team = CdmBase.deproxy(dao.load(teamUuid), Team.class);
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return convertTeam2Person(team);
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}
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@Override
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public UpdateResult convertTeam2Person(Team team) throws MergeException {
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UpdateResult result = new UpdateResult();
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Person newPerson = null;
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team = CdmBase.deproxy(team, Team.class);
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if (team.getTeamMembers().size() > 1){
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throw new IllegalArgumentException("Team must not have more than 1 member to be convertable into a person");
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}else if (team.getTeamMembers().size() == 1){
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newPerson = team.getTeamMembers().get(0);
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IMergeStrategy strategy = DefaultMergeStrategy.NewInstance(TeamOrPersonBase.class);
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strategy.setDefaultCollectionMergeMode(MergeMode.FIRST);
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genericDao.merge(newPerson, team, strategy);
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}else if (team.getTeamMembers().isEmpty()){
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newPerson = Person.NewInstance();
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genericDao.save(newPerson);
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IMergeStrategy strategy = DefaultMergeStrategy.NewInstance(TeamOrPersonBase.class);
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strategy.setDefaultMergeMode(MergeMode.SECOND);
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strategy.setDefaultCollectionMergeMode(MergeMode.SECOND);
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genericDao.merge(newPerson, team, strategy);
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}else{
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throw new IllegalStateException("Unhandled state of team members collection");
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}
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result.setCdmEntity(newPerson);
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return result;
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}
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@Override
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@Transactional(readOnly = false)
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public UpdateResult convertPerson2Team(UUID personUuid) throws MergeException, IllegalArgumentException {
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Person person = CdmBase.deproxy(dao.load(personUuid), Person.class);
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return convertPerson2Team(person);
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}
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@Override
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public UpdateResult convertPerson2Team(Person person) throws MergeException, IllegalArgumentException {
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if (person == null){
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throw new IllegalArgumentException("Person does not exist.");
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}
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UpdateResult result = new UpdateResult();
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Team team = Team.NewInstance();
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ConvertMergeStrategy strategy = ConvertMergeStrategy.NewInstance(TeamOrPersonBase.class);
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strategy.setDefaultMergeMode(MergeMode.SECOND);
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strategy.setDefaultCollectionMergeMode(MergeMode.SECOND);
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if (person.isProtectedTitleCache() || !person.getTitleCache().startsWith("Person#")){ //the later is for checking if the person is empty, this can be done better
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team.setTitleCache(person.getTitleCache(), true); //as there are no members we set the titleCache to protected (as long as titleCache does not take the protected nomenclatural title but results in '-empty team-' in this situation); for some reason it is necessary to also set the title cache as well here, otherwise it is recomputed during the merge
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}
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strategy.setMergeMode("protectedTitleCache", MergeMode.FIRST); //as we do not add team members, the titleCache of the new team should be always protected
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strategy.setDeleteSecondObject(true);
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team.setNomenclaturalTitle(person.getNomenclaturalTitle(), true); //sets the protected flag always to true, this is necessary as long as person does not have a nomenclatural title cache; maybe setting the protected title itself is not necessary but does no harm
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if (! genericDao.isMergeable(team, person, strategy)){
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throw new MergeException("Person can not be transformed into team.");
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}
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try {
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team = this.save(team);
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genericDao.merge(team, person, strategy);
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//Note: we decided never add the old person as (first) member of the team as there are not many usecases for this.
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//But we may try to parse the old person into members which may handle the case that teams have been stored as unparsed persons
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} catch (Exception e) {
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throw new MergeException("Unhandled merge exception", e);
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}
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result.setCdmEntity(team);
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result.addUpdatedObject(team);
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return result;
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}
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@Override
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public <T extends AgentBase> List<UuidAndTitleCache<T>> getUuidAndAbbrevTitleCache(Class<T> clazz, Integer limit, String pattern) {
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return dao.getUuidAndAbbrevTitleCache(clazz, null, pattern);
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}
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@Override
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public <T extends AgentBase<?>> List<T> findByTitleAndAbbrevTitle(IIdentifiableEntityServiceConfigurator<T> config){
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return dao.findByTitleAndAbbrevTitle(config.getClazz(),config.getTitleSearchStringSqlized(), config.getMatchMode(), config.getCriteria(), config.getPageSize(), config.getPageNumber(), config.getOrderHints(), config.getPropertyPaths());
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}
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}
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