package org.kuali.student.r2.core.class1.atp.service.impl;

 import java.util.ArrayList;

 import java.util.Date;

 import java.util.List;

 import org.kuali.rice.core.api.criteria.GenericQueryResults;

 import org.kuali.rice.core.api.criteria.QueryByCriteria;

 import org.kuali.student.r2.common.criteria.CriteriaLookupService;

 import org.kuali.student.r2.common.dto.ContextInfo;

 import org.kuali.student.r2.common.dto.StatusInfo;

 import org.kuali.student.r2.common.dto.ValidationResultInfo;

 import org.kuali.student.r2.common.exceptions.AlreadyExistsException;

 import org.kuali.student.r2.common.exceptions.DataValidationErrorException;

 import org.kuali.student.r2.common.exceptions.DoesNotExistException;

 import org.kuali.student.r2.common.exceptions.InvalidParameterException;

 import org.kuali.student.r2.common.exceptions.MissingParameterException;

 import org.kuali.student.r2.common.exceptions.OperationFailedException;

 import org.kuali.student.r2.common.exceptions.PermissionDeniedException;

 import org.kuali.student.r2.common.exceptions.ReadOnlyException;

 import org.kuali.student.r2.common.exceptions.VersionMismatchException;

 import org.kuali.student.r2.core.atp.dto.AtpAtpRelationInfo;

 import org.kuali.student.r2.core.atp.dto.AtpInfo;

 import org.kuali.student.r2.core.atp.dto.MilestoneInfo;

 import org.kuali.student.r2.core.atp.service.AtpService;

 import org.kuali.student.r2.core.class1.atp.dao.AtpAtpRelationDao;

 import org.kuali.student.r2.core.class1.atp.dao.AtpDao;

 import org.kuali.student.r2.core.class1.atp.dao.AtpMilestoneRelationDao;

 import org.kuali.student.r2.core.class1.atp.dao.MilestoneDao;

 import org.kuali.student.r2.core.class1.atp.model.AtpAtpRelationEntity;

 import org.kuali.student.r2.core.class1.atp.model.AtpEntity;

 import org.kuali.student.r2.core.class1.atp.model.AtpMilestoneRelationEntity;

 import org.kuali.student.r2.core.class1.atp.model.MilestoneEntity;

 import org.springframework.transaction.annotation.Transactional;

 @Transactional(readOnly = true, noRollbackFor = {DoesNotExistException.class}, rollbackFor = {Throwable.class})

 public class AtpServiceImpl implements AtpService {

     private AtpDao atpDao;

     private AtpAtpRelationDao atpRelDao;

     private MilestoneDao milestoneDao;

     private AtpMilestoneRelationDao atpMilestoneRelationDao;

     private CriteriaLookupService criteriaLookupService;

     public AtpDao getAtpDao() {

         return atpDao;

     }

     public void setAtpDao(AtpDao atpDao) {

         this.atpDao = atpDao;

     }

     public AtpAtpRelationDao getAtpRelDao() {

         return atpRelDao;

     }

     public void setAtpRelDao(AtpAtpRelationDao atpRelDao) {

         this.atpRelDao = atpRelDao;

     }

     public MilestoneDao getMilestoneDao() {

         return milestoneDao;

     }

     public void setMilestoneDao(MilestoneDao milestoneDao) {

         this.milestoneDao = milestoneDao;

     }

     public AtpMilestoneRelationDao getAtpMilestoneRelationDao() {

         return atpMilestoneRelationDao;

     }

     public void setAtpMilestoneRelationDao(AtpMilestoneRelationDao atpMilestoneRelationDao) {

         this.atpMilestoneRelationDao = atpMilestoneRelationDao;

     }

     public void setCriteriaLookupService(CriteriaLookupService criteriaLookupService) {

         this.criteriaLookupService = criteriaLookupService;

     }

     public CriteriaLookupService getCriteriaLookupService() {

         return criteriaLookupService;

     }

     @Override

     public AtpInfo getAtp(String atpId, ContextInfo context) throws DoesNotExistException, InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         AtpEntity atp = atpDao.find(atpId);

         if (null == atp) {

             throw new DoesNotExistException(atpId);

         }

         return atp.toDto();

     }

     @Override

     public List<AtpInfo> getAtpsByDate(Date searchDate, ContextInfo context) throws InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<AtpEntity> atps = atpDao.getByDate(searchDate);

         List<AtpInfo> result = new ArrayList<AtpInfo>(atps.size());

         if (null != atps) {

             for (AtpEntity entity : atps) {

                 result.add(entity.toDto());

             }

         }

         return result;

     }

     @Override

     public List<AtpInfo> getAtpsByDates(Date startDate, Date endDate, ContextInfo context) throws InvalidParameterException, MissingParameterException, OperationFailedException,

             PermissionDeniedException {

         List<AtpEntity> atps = atpDao.getByDates(startDate, endDate);

         List<AtpInfo> result = new ArrayList<AtpInfo>(atps.size());

         if (null != atps) {

             for (AtpEntity entity : atps) {

                 result.add(entity.toDto());

             }

         }

         return result;

     }

     @Override

     @Transactional

     public List<AtpInfo> getAtpsByDateAndType(Date searchDate, String searchTypeKey, ContextInfo context) throws InvalidParameterException, MissingParameterException, OperationFailedException,

             PermissionDeniedException {

         throw new UnsupportedOperationException("Not supported yet.");

     }

     @Override

     public List<AtpInfo> getAtpsByDatesAndType(Date startDate, Date endDate, String searchTypeKey, ContextInfo context) throws InvalidParameterException, MissingParameterException,

             OperationFailedException, PermissionDeniedException {

         throw new UnsupportedOperationException("Not supported yet.");

     }

     @Override

     public List<AtpInfo> getAtpsByStartDateRange(Date searchDateRangeStart, Date searchDateRangeEnd, ContextInfo context) throws InvalidParameterException, MissingParameterException,

             OperationFailedException, PermissionDeniedException {

         List<AtpEntity> atps = atpDao.getByStartDateRange(searchDateRangeStart, searchDateRangeEnd);

         List<AtpInfo> result = new ArrayList<AtpInfo>(atps.size());

         if (null != atps) {

             for (AtpEntity entity : atps) {

                 result.add(entity.toDto());

             }

         }

         return result;

     }

     @Override

     public List<AtpInfo> getAtpsByStartDateRangeAndType(Date searchDateRangeStart, Date searchDateRangeEnd, String searchTypeKey, ContextInfo context) throws InvalidParameterException,

             MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<AtpEntity> atps = atpDao.getByStartDateRangeAndType(searchDateRangeStart, searchDateRangeEnd, searchTypeKey);

         List<AtpInfo> result = new ArrayList<AtpInfo>(atps.size());

         if (null != atps) {

             for (AtpEntity entity : atps) {

                 result.add(entity.toDto());

             }

         }

         return result;

     }

     @Override

     public List<AtpInfo> getAtpsByCode(String code, ContextInfo contextInfo) throws InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         // TODO

         return new ArrayList<AtpInfo>();

     }

     @Override

     public List<AtpInfo> getAtpsByIds(List<String> atpIds, ContextInfo contextInfo)

             throws DoesNotExistException, InvalidParameterException,

             MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<AtpEntity> atps = atpDao.findByIds(atpIds);

         if (atps == null) {

             throw new DoesNotExistException();

         }

         List<AtpInfo> result = new ArrayList<AtpInfo>(atps.size());

         for (AtpEntity entity : atps) {

             if (entity == null) {

                 // if one of the entities from "findByIds" is returned as null,

                 // then one of the keys in the list was not found

                 throw new DoesNotExistException();

             }

             result.add(entity.toDto());

         }

         return result;

     }

     @Override

     public List<String> getAtpIdsByType(String atpTypeKey, ContextInfo context) throws InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<AtpEntity> results = atpDao.getByAtpTypeId(atpTypeKey);

         List<String> keys = new ArrayList<String>(results.size());

         for (AtpEntity atp : results) {

             keys.add(atp.getId());

         }

         return keys;

     }

     @Override

     public MilestoneInfo getMilestone(String milestoneId, ContextInfo context) throws DoesNotExistException, InvalidParameterException, MissingParameterException, OperationFailedException,

             PermissionDeniedException {

         MilestoneEntity entity = milestoneDao.find(milestoneId);

         if (entity != null) {

             return entity.toDto();

         } else {

             throw new DoesNotExistException(milestoneId);

         }

     }

     @Override

     public List<MilestoneInfo> getMilestonesByIds(List<String> milestoneIds, ContextInfo contextInfo) throws DoesNotExistException,

             InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<MilestoneEntity> milestones = milestoneDao.findByIds(milestoneIds);

         if (milestones == null) {

             throw new DoesNotExistException();

         }

         List<MilestoneInfo> result = new ArrayList<MilestoneInfo>(milestones.size());

         for (MilestoneEntity entity : milestones) {

             if (entity == null) {

                 // if one of the entities from "findByIds" is returned as null,

                 // then one of the keys in the list was not found

                 throw new DoesNotExistException();

             }

             result.add(entity.toDto());

         }

         return result;

     }

     @Override

     public List<String> getMilestoneIdsByType(String milestoneTypeKey, ContextInfo contextInfo) throws InvalidParameterException,

             MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<MilestoneEntity> entities = milestoneDao.getByMilestoneTypeId(milestoneTypeKey);

         List<String> results = new ArrayList<String>(entities.size());

         for (MilestoneEntity entity : entities) {

             results.add(entity.getId());

         }

         return results;

     }

     @Override

     public List<MilestoneInfo> getMilestonesForAtp(String atpId, ContextInfo contextInfo) throws InvalidParameterException,

             MissingParameterException, OperationFailedException, PermissionDeniedException {

         AtpEntity atp = atpDao.find(atpId);

         if (atp == null) {

             throw new InvalidParameterException(atpId);

         }

         List<String> ids = milestoneDao.getIdsByAtp(atpId);

         try {

             return this.getMilestonesByIds(ids, contextInfo);

         } catch (DoesNotExistException ex) {

             throw new OperationFailedException("Atp to Milestone relation exists to a milestone that has been deleted", ex);

         }

     }

     @Override

     public List<MilestoneInfo> getMilestonesByDates(Date startDate, Date endDate, ContextInfo context) throws InvalidParameterException, MissingParameterException, OperationFailedException,

             PermissionDeniedException {

         List<MilestoneEntity> entities = milestoneDao.getByDateRange(startDate, endDate);

         List<MilestoneInfo> results = new ArrayList<MilestoneInfo>(entities.size());

         for (MilestoneEntity entity : entities) {

             results.add(entity.toDto());

         }

         return results;

     }

     @Override

     public List<MilestoneInfo> getMilestonesByDatesForAtp(String atpId, Date startDate, Date endDate,

             ContextInfo contextInfo) throws InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<MilestoneEntity> entities = milestoneDao.getByDatesForAtp(atpId, startDate, endDate);

         List<MilestoneInfo> results = new ArrayList<MilestoneInfo>(entities.size());

         for (MilestoneEntity entity : entities) {

             results.add(entity.toDto());

         }

         return results;

     }

     @Override

     public List<MilestoneInfo> getMilestonesByTypeForAtp(String atpId,

             String milestoneTypeKey,

             ContextInfo contextInfo)

             throws InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<MilestoneInfo> list = this.getMilestonesForAtp(atpId, contextInfo);

         List<MilestoneInfo> results = new ArrayList<MilestoneInfo>(list.size());

         for (MilestoneInfo info : list) {

             results.add(info);

         }

         return results;

     }

     @Override

     public List<String> searchForAtpIds(QueryByCriteria criteria, ContextInfo context) throws InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         return new ArrayList<String>();

     }

     @Override

     public List<AtpInfo> searchForAtps(QueryByCriteria criteria, ContextInfo context) throws InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<AtpInfo> atpInfos = new ArrayList<AtpInfo>();

         GenericQueryResults<AtpEntity> results = criteriaLookupService.lookup(AtpEntity.class, criteria);

         if (null != results && results.getResults().size() > 0) {

             for (AtpEntity atp : results.getResults()) {

                 atpInfos.add(atp.toDto());

             }

         }

         return atpInfos;

     }

     @Override

     public List<ValidationResultInfo> validateAtp(String validationTypeKey, 

     String atpTypeKey,

             AtpInfo atpInfo, ContextInfo contextInfo) 

             throws DoesNotExistException, InvalidParameterException, MissingParameterException,

             OperationFailedException, PermissionDeniedException {

         return new ArrayList<ValidationResultInfo>();

     }

     @Override

     @Transactional(readOnly = false)

     public AtpInfo createAtp(String atpTypeKey, AtpInfo atpInfo, ContextInfo contextInfo)

             throws DataValidationErrorException, InvalidParameterException,

             MissingParameterException, OperationFailedException,

             PermissionDeniedException, ReadOnlyException {

         AtpEntity entity = new AtpEntity(atpInfo);

         entity.setId(atpInfo.getId());

         entity.setAtpType(atpTypeKey);

         entity.setCreateId(contextInfo.getPrincipalId());

         entity.setCreateTime(contextInfo.getCurrentDate());

         entity.setUpdateId(contextInfo.getPrincipalId());

         entity.setUpdateTime(contextInfo.getCurrentDate());

 //        System.out.println ("AtpEntity: before persist ATP " + entity.getId());

         atpDao.persist(entity);

 //        System.out.println ("AtpEntity: after persist ATP " + entity.getId());

 //        System.out.println ("AtpEntity: flushmode=" + atpDao.getEm().getFlushMode());

 //        atpDao.getEm().flush ();

 //        System.out.println ("AtpEntity: after flush ATP " + entity.getId());

         return entity.toDto();

     }

     @Override

     @Transactional(readOnly = false)

     public AtpInfo updateAtp(String atpId, AtpInfo atpInfo, ContextInfo context) throws DataValidationErrorException, DoesNotExistException, InvalidParameterException, MissingParameterException,

             OperationFailedException, PermissionDeniedException, VersionMismatchException {

         AtpEntity entity = atpDao.find(atpId);

         if (entity == null) {

             throw new DoesNotExistException(atpId);

         }

         entity.fromDTO(atpInfo);

         entity.setUpdateId(context.getPrincipalId());

         entity.setUpdateTime(context.getCurrentDate());

         atpDao.merge(entity);

         return entity.toDto();

     }

     @Override

     @Transactional(readOnly = false)

     public StatusInfo deleteAtp(String atpId, ContextInfo context) throws DoesNotExistException,

             InvalidParameterException, MissingParameterException, OperationFailedException,

             PermissionDeniedException {

         AtpEntity entity = atpDao.find(atpId);

         if (null == entity) {

             throw new DoesNotExistException(atpId);

         }

         List<AtpAtpRelationEntity> aarEntities = atpRelDao.getAtpAtpRelationsByAtp(atpId);

         if (null != aarEntities) {

             for (AtpAtpRelationEntity aarEntity : aarEntities) {

                 atpRelDao.remove(aarEntity);

             }

         }

         List<AtpMilestoneRelationEntity> amrEntities = atpMilestoneRelationDao.getByAtpId(atpId);

         if (null != amrEntities) {

             for (AtpMilestoneRelationEntity amrEntity : amrEntities) {

                 atpMilestoneRelationDao.remove(amrEntity);

             }

         }

         atpDao.remove(entity);

         StatusInfo status = new StatusInfo();

         status.setSuccess(Boolean.TRUE);

         return status;

     }

     @Override

     public List<MilestoneInfo> getImpactedMilestones(String milestoneId, ContextInfo contextInfo) throws DoesNotExistException, InvalidParameterException, MissingParameterException,

             OperationFailedException, PermissionDeniedException {

         List<MilestoneInfo> impactedMilestones = new ArrayList<MilestoneInfo>();

         for (MilestoneEntity impactedMilestone : milestoneDao.getImpactedMilestones(milestoneId)) {

             impactedMilestones.add(impactedMilestone.toDto());

         }

         return impactedMilestones;

     }

     @Override

     public List<String> searchForMilestoneIds(QueryByCriteria criteria, ContextInfo contextInfo) throws InvalidParameterException,

             MissingParameterException, OperationFailedException, PermissionDeniedException {

         return null; // To change body of implemented methods use File |

         // Settings | File Templates.

     }

     @Override

     public List<MilestoneInfo> searchForMilestones(QueryByCriteria criteria, ContextInfo context) throws InvalidParameterException, MissingParameterException, OperationFailedException,

             PermissionDeniedException {

         List<MilestoneInfo> milestoneInfos = new ArrayList<MilestoneInfo>();

         GenericQueryResults<MilestoneEntity> results = criteriaLookupService.lookup(MilestoneEntity.class, criteria);

         if (null != results && results.getResults().size() > 0) {

             for (MilestoneEntity milestone : results.getResults()) {

                 milestoneInfos.add(milestone.toDto());

             }

         }

         return milestoneInfos;

     }

     @Override

     public List<ValidationResultInfo> validateMilestone(String validationType, MilestoneInfo milestoneInfo, ContextInfo context) throws DoesNotExistException, InvalidParameterException,

             MissingParameterException, OperationFailedException {

         return null;

     }

     @Override

     @Transactional(readOnly = false)

     public MilestoneInfo createMilestone(String milestoneTypeKey, MilestoneInfo milestoneInfo, ContextInfo contextInfo)

             throws DataValidationErrorException,

             InvalidParameterException, MissingParameterException, OperationFailedException,

             PermissionDeniedException, ReadOnlyException {

         if (!milestoneTypeKey.equals(milestoneInfo.getTypeKey())) {

             throw new InvalidParameterException(milestoneTypeKey + " does not match " + milestoneInfo.getTypeKey());

         }

         MilestoneEntity entity = new MilestoneEntity(milestoneInfo);

         entity.setId(milestoneInfo.getId());

         entity.setAtpType(milestoneTypeKey);

         entity.setCreateId(contextInfo.getPrincipalId());

         entity.setCreateTime(contextInfo.getCurrentDate());

         entity.setUpdateId(contextInfo.getPrincipalId());

         entity.setUpdateTime(contextInfo.getCurrentDate());

         milestoneDao.persist(entity);

         MilestoneInfo result = entity.toDto();

         return result;

     }

     @Override

     @Transactional(readOnly = false)

     public MilestoneInfo updateMilestone(String milestoneId, MilestoneInfo milestoneInfo, ContextInfo context) throws DataValidationErrorException, DoesNotExistException, InvalidParameterException,

             MissingParameterException, OperationFailedException, PermissionDeniedException, VersionMismatchException {

         MilestoneEntity entity = milestoneDao.find(milestoneId);

         if (entity == null) {

             throw new DoesNotExistException(milestoneId);

         }

         entity.fromDto(milestoneInfo);

         entity.setUpdateId(context.getPrincipalId());

         entity.setUpdateTime(context.getCurrentDate());

         milestoneDao.merge(entity);

         return entity.toDto();

     }

     @Override

     @Transactional(readOnly = false)

     public StatusInfo deleteMilestone(String milestoneId, ContextInfo context)

             throws DoesNotExistException, InvalidParameterException, MissingParameterException,

             OperationFailedException,

             PermissionDeniedException {

         MilestoneEntity existingEntity = milestoneDao.find(milestoneId);

         if (existingEntity == null) {

             throw new DoesNotExistException(milestoneId);

         }

         List<AtpMilestoneRelationEntity> amrEntities = atpMilestoneRelationDao.getByMilestoneId(milestoneId);

         if (null != amrEntities) {

             for (AtpMilestoneRelationEntity amrEntity : amrEntities) {

                 atpMilestoneRelationDao.remove(amrEntity);

             }

         }

         milestoneDao.remove(existingEntity);

         StatusInfo status = new StatusInfo();

         status.setSuccess(Boolean.TRUE);

         return status;

     }

     @Override

     @Transactional(readOnly = false)

     public MilestoneInfo calculateMilestone(String milestoneId, ContextInfo contextInfo) throws DoesNotExistException, InvalidParameterException, MissingParameterException, OperationFailedException,

             PermissionDeniedException {

         throw new OperationFailedException("Method implemented in calculation decorator.");

     }

     @Override

     @Transactional(readOnly = false)

     public StatusInfo addMilestoneToAtp(String milestoneId, String atpId, ContextInfo contextInfo)

             throws AlreadyExistsException, DoesNotExistException, InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         AtpEntity atp = atpDao.find(atpId);

         if (atp == null) {

             throw new DoesNotExistException(atpId);

         }

         MilestoneEntity milestone = milestoneDao.find(milestoneId);

         if (milestone == null) {

             throw new DoesNotExistException(milestoneId);

         }

         List<String> ids = atpMilestoneRelationDao.getIdsByAtpAndMilestone(atpId, milestoneId);

         if (!ids.isEmpty()) {

             throw new AlreadyExistsException("Milestone " + milestoneId + " already exists for ATP " + atpId);

         }

         AtpMilestoneRelationEntity entity = new AtpMilestoneRelationEntity();

         entity.setAtpId(atpId);

         entity.setMilestoneId(milestoneId);

         entity.setCreateId(contextInfo.getPrincipalId());

         entity.setCreateTime(contextInfo.getCurrentDate());

         entity.setUpdateId(contextInfo.getPrincipalId());

         entity.setUpdateTime(contextInfo.getCurrentDate());

         atpMilestoneRelationDao.persist(entity);

         StatusInfo info = new StatusInfo();

         info.setSuccess(true);

         return info;

     }

     @Override

     @Transactional(readOnly = false)

     public StatusInfo removeMilestoneFromAtp(String milestoneId, String atpId, ContextInfo contextInfo)

             throws DoesNotExistException, InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<String> ids = atpMilestoneRelationDao.getIdsByAtpAndMilestone(atpId, milestoneId);

         if (ids.isEmpty()) {

             throw new DoesNotExistException("No relationship exists between the atp " + atpId + " and milestone " + milestoneId);

         }

         if (ids.size() > 1) {

             throw new OperationFailedException("Database error there should only be one relationship record found " + ids.size());

         }

         AtpMilestoneRelationEntity entity = atpMilestoneRelationDao.find(ids.get(0));

         if (entity == null) {

             throw new OperationFailedException("rror there should only be one relationship record found " + ids.size());

         }

         atpMilestoneRelationDao.remove(entity);

         StatusInfo status = new StatusInfo();

         status.setSuccess(true);

         return status;

     }

     @Override

     public AtpAtpRelationInfo getAtpAtpRelation(String atpAtpRelationId, ContextInfo context) throws DoesNotExistException, InvalidParameterException, MissingParameterException,

             OperationFailedException, PermissionDeniedException {

         AtpAtpRelationEntity atpRel = atpRelDao.find(atpAtpRelationId);

         if (null == atpRel) {

             throw new DoesNotExistException(atpAtpRelationId);

         }

         return atpRel.toDto();

     }

     @Override

     public List<AtpAtpRelationInfo> getAtpAtpRelationsByIds(List<String> atpAtpRelationIds,

             ContextInfo contextInfo)

             throws DoesNotExistException, InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         return new ArrayList<AtpAtpRelationInfo>();

     }

     @Override

     public List<String> getAtpAtpRelationIdsByType(String atpAtpRelationTypeKey, ContextInfo context) throws InvalidParameterException, MissingParameterException, OperationFailedException,

             PermissionDeniedException {

         return new ArrayList<String>();

     }

     @Override

     public List<AtpAtpRelationInfo> getAtpAtpRelationsByAtp(String atpId, ContextInfo context) throws InvalidParameterException, MissingParameterException, OperationFailedException,

             PermissionDeniedException {

         List<AtpAtpRelationEntity> relEntities = atpRelDao.getAtpAtpRelationsByAtp(atpId);

         List<AtpAtpRelationInfo> relInfos = new ArrayList<AtpAtpRelationInfo>();

         for (AtpAtpRelationEntity relEntity : relEntities) {

             AtpAtpRelationInfo relInfo = relEntity.toDto();

             relInfos.add(relInfo);

         }

         return relInfos;

     }

     @Override

     public List<AtpAtpRelationInfo> getAtpAtpRelationsByAtps(String atpId,

            ContextInfo contextInfo) throws InvalidParameterException,

             MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<AtpAtpRelationEntity> relations = atpRelDao.getAtpAtpRelationsByAtp(atpId);

         List<AtpAtpRelationInfo> relationsDTO = new ArrayList();

         for (AtpAtpRelationEntity relation : relations) {

             relationsDTO.add(relation.toDto());

         }

         return relationsDTO;

     }

     @Override

     public List<AtpAtpRelationInfo> getAtpAtpRelationsByTypeAndAtp(String atpId,

            String atpRelationTypeKey,

             ContextInfo contextInfo) 

             throws InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<AtpAtpRelationEntity> rels = atpRelDao.getAtpAtpRelationsByAtpAndRelationType(atpId, atpRelationTypeKey);

         List<AtpAtpRelationInfo> atpRelation = new ArrayList<AtpAtpRelationInfo>();

         for (AtpAtpRelationEntity rel : rels) {

             atpRelation.add(rel.toDto());

         }

         return atpRelation;

     }

     @Override

     public List<String> searchForAtpAtpRelationIds(QueryByCriteria criteria, ContextInfo context) throws InvalidParameterException, MissingParameterException, OperationFailedException,

             PermissionDeniedException {

         return new ArrayList<String>();

     }

     @Override

     public List<AtpAtpRelationInfo> searchForAtpAtpRelations(QueryByCriteria criteria, ContextInfo context) throws InvalidParameterException, MissingParameterException, OperationFailedException,

             PermissionDeniedException {

         return new ArrayList<AtpAtpRelationInfo>();

     }

     @Override

     public List<ValidationResultInfo> validateAtpAtpRelation(String validationTypeKey,

             String atpId,

             String atpPeerKey,

             String atpAtpRelationTypeKey,

             AtpAtpRelationInfo atpAtpRelationInfo,

             ContextInfo contextInfo) throws DoesNotExistException,

             InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         return new ArrayList<ValidationResultInfo>();

     }

 //    private boolean checkRelationExistence(AtpAtpRelationInfo atpAtpRelationInfo) {

 //        boolean exist = false;

 //

 //        List<AtpAtpRelationEntity> rels = atpRelDao.getAtpAtpRelationsByAtpAndRelationType(atpAtpRelationInfo.getAtpId(), atpAtpRelationInfo.getTypeKey());

 //        if (rels != null && !rels.isEmpty()) {

 //            for (AtpAtpRelationEntity rel : rels) {

 //                if (rel.getRelatedAtp().getId().equals(atpAtpRelationInfo.getRelatedAtpId())) {

 //                    exist = true;

 //                    break;

 //                }

 //            }

 //        }

 //        return exist;

 //    }

     @Override

     @Transactional(readOnly = false)

     public AtpAtpRelationInfo createAtpAtpRelation(String atpId,

             String relatedAtpId,

             String atpAtpRelationTypeKey,

             AtpAtpRelationInfo atpAtpRelationInfo,

             ContextInfo contextInfo)

             throws DoesNotExistException,

             DataValidationErrorException, InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException, ReadOnlyException {

         if (!atpId.equals(atpAtpRelationInfo.getAtpId())) {

             throw new InvalidParameterException(atpId + " does not match the " + atpAtpRelationInfo.getAtpId());

         }

         if (!relatedAtpId.equals(atpAtpRelationInfo.getRelatedAtpId())) {

             throw new InvalidParameterException(relatedAtpId + " does not match the " + atpAtpRelationInfo.getRelatedAtpId());

         }

         if (!atpAtpRelationTypeKey.equals(atpAtpRelationInfo.getTypeKey())) {

             throw new InvalidParameterException(atpAtpRelationTypeKey + " does not match the " + atpAtpRelationInfo.getTypeKey());

         }

         // TODO: Why is this check here?  Is there such a restriction? the model allos there to be many such relations over time

 //        if (checkRelationExistence(atpAtpRelationInfo)) {

 //            throw new DataValidationErrorException("The Atp-Atp relation already exists. atp=" + atpAtpRelationInfo.getAtpId() + ", relatedAtp=" + atpAtpRelationInfo.getRelatedAtpId());

 //        }

         AtpAtpRelationEntity entity = new AtpAtpRelationEntity(atpAtpRelationInfo);

         entity.setId(atpAtpRelationInfo.getId());

         entity.setAtpType(atpAtpRelationTypeKey);

         entity.setAtp(atpDao.find(atpId));

         if (entity.getAtp() == null) {

             throw new DoesNotExistException(atpId);

         }

         entity.setRelatedAtp(atpDao.find(relatedAtpId));

         if (entity.getRelatedAtp() == null) {

             throw new DoesNotExistException(relatedAtpId);

         }

         entity.setCreateId(contextInfo.getPrincipalId());

         entity.setCreateTime(contextInfo.getCurrentDate());

         entity.setUpdateId(contextInfo.getPrincipalId());

         entity.setUpdateTime(contextInfo.getCurrentDate());

         atpRelDao.persist(entity);

         return entity.toDto();

     }

     @Override

     @Transactional(readOnly = false)

     public AtpAtpRelationInfo updateAtpAtpRelation(String atpAtpRelationId,

             AtpAtpRelationInfo atpAtpRelationInfo,

             ContextInfo context)

             throws DataValidationErrorException, DoesNotExistException,

             InvalidParameterException, MissingParameterException,

             OperationFailedException, PermissionDeniedException, VersionMismatchException {

         AtpAtpRelationEntity entity = atpRelDao.find(atpAtpRelationId);

         if (null == entity) {

             throw new DoesNotExistException(atpAtpRelationId);

         }

         entity.fromDTO(atpAtpRelationInfo);

         entity.setUpdateId(context.getPrincipalId());

         entity.setUpdateTime(context.getCurrentDate());

         atpRelDao.merge(entity);

         return entity.toDto();

     }

     @Override

     @Transactional(readOnly = false)

     public StatusInfo deleteAtpAtpRelation(String atpAtpRelationId, ContextInfo context) throws DoesNotExistException, InvalidParameterException, MissingParameterException, OperationFailedException,

             PermissionDeniedException {

         AtpAtpRelationEntity atpRel = atpRelDao.find(atpAtpRelationId);

         if (atpRel == null) {

             throw new DoesNotExistException(atpAtpRelationId);

         }

         atpRelDao.remove(atpRel);

         StatusInfo status = new StatusInfo();

         status.setSuccess(Boolean.TRUE);

         return status;

     }

 }