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ClinicServiceImpl.java
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ClinicServiceImpl.java
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/*
* Copyright 2002-2017 the original author or authors.
*
* 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.springframework.samples.petclinic.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataAccessException;
import org.springframework.dao.EmptyResultDataAccessException;
import org.springframework.orm.ObjectRetrievalFailureException;
import org.springframework.samples.petclinic.model.*;
import org.springframework.samples.petclinic.repository.*;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.function.Supplier;
/**
* Mostly used as a facade for all Petclinic controllers
* Also a placeholder for @Transactional and @Cacheable annotations
*
* @author Michael Isvy
* @author Vitaliy Fedoriv
*/
@Service
public class ClinicServiceImpl implements ClinicService {
private final PetRepository petRepository;
private final VetRepository vetRepository;
private final OwnerRepository ownerRepository;
private final VisitRepository visitRepository;
private final SpecialtyRepository specialtyRepository;
private final PetTypeRepository petTypeRepository;
@Autowired
public ClinicServiceImpl(
PetRepository petRepository,
VetRepository vetRepository,
OwnerRepository ownerRepository,
VisitRepository visitRepository,
SpecialtyRepository specialtyRepository,
PetTypeRepository petTypeRepository) {
this.petRepository = petRepository;
this.vetRepository = vetRepository;
this.ownerRepository = ownerRepository;
this.visitRepository = visitRepository;
this.specialtyRepository = specialtyRepository;
this.petTypeRepository = petTypeRepository;
}
@Override
@Transactional(readOnly = true)
public Collection<Pet> findAllPets() throws DataAccessException {
return petRepository.findAll();
}
@Override
@Transactional
public void deletePet(Pet pet) throws DataAccessException {
petRepository.delete(pet);
}
@Override
@Transactional(readOnly = true)
public Visit findVisitById(int visitId) throws DataAccessException {
return findEntityById(() -> visitRepository.findById(visitId));
}
@Override
@Transactional(readOnly = true)
public Collection<Visit> findAllVisits() throws DataAccessException {
return visitRepository.findAll();
}
@Override
@Transactional
public void deleteVisit(Visit visit) throws DataAccessException {
visitRepository.delete(visit);
}
@Override
@Transactional(readOnly = true)
public Vet findVetById(int id) throws DataAccessException {
return findEntityById(() -> vetRepository.findById(id));
}
@Override
@Transactional(readOnly = true)
public Collection<Vet> findAllVets() throws DataAccessException {
return vetRepository.findAll();
}
@Override
@Transactional
public void saveVet(Vet vet) throws DataAccessException {
vetRepository.save(vet);
}
@Override
@Transactional
public void deleteVet(Vet vet) throws DataAccessException {
vetRepository.delete(vet);
}
@Override
@Transactional(readOnly = true)
public Collection<Owner> findAllOwners() throws DataAccessException {
return ownerRepository.findAll();
}
@Override
@Transactional
public void deleteOwner(Owner owner) throws DataAccessException {
ownerRepository.delete(owner);
}
@Override
@Transactional(readOnly = true)
public PetType findPetTypeById(int petTypeId) {
return findEntityById(() -> petTypeRepository.findById(petTypeId));
}
@Override
@Transactional(readOnly = true)
public Collection<PetType> findAllPetTypes() throws DataAccessException {
return petTypeRepository.findAll();
}
@Override
@Transactional
public void savePetType(PetType petType) throws DataAccessException {
petTypeRepository.save(petType);
}
@Override
@Transactional
public void deletePetType(PetType petType) throws DataAccessException {
petTypeRepository.delete(petType);
}
@Override
@Transactional(readOnly = true)
public Specialty findSpecialtyById(int specialtyId) {
return findEntityById(() -> specialtyRepository.findById(specialtyId));
}
@Override
@Transactional(readOnly = true)
public Collection<Specialty> findAllSpecialties() throws DataAccessException {
return specialtyRepository.findAll();
}
@Override
@Transactional
public void saveSpecialty(Specialty specialty) throws DataAccessException {
specialtyRepository.save(specialty);
}
@Override
@Transactional
public void deleteSpecialty(Specialty specialty) throws DataAccessException {
specialtyRepository.delete(specialty);
}
@Override
@Transactional(readOnly = true)
public Collection<PetType> findPetTypes() throws DataAccessException {
return petRepository.findPetTypes();
}
@Override
@Transactional(readOnly = true)
public Owner findOwnerById(int id) throws DataAccessException {
return findEntityById(() -> ownerRepository.findById(id));
}
@Override
@Transactional(readOnly = true)
public Pet findPetById(int id) throws DataAccessException {
return findEntityById(() -> petRepository.findById(id));
}
@Override
@Transactional
public void savePet(Pet pet) throws DataAccessException {
petRepository.save(pet);
}
@Override
@Transactional
public void saveVisit(Visit visit) throws DataAccessException {
visitRepository.save(visit);
}
@Override
@Transactional(readOnly = true)
public Collection<Vet> findVets() throws DataAccessException {
return vetRepository.findAll();
}
@Override
@Transactional
public void saveOwner(Owner owner) throws DataAccessException {
ownerRepository.save(owner);
}
@Override
@Transactional(readOnly = true)
public Collection<Owner> findOwnerByLastName(String lastName) throws DataAccessException {
return ownerRepository.findByLastName(lastName);
}
@Override
@Transactional(readOnly = true)
public Collection<Visit> findVisitsByPetId(int petId) {
return visitRepository.findByPetId(petId);
}
@Override
@Transactional(readOnly = true)
public List<Specialty> findSpecialtiesByNameIn(Set<String> names) {
return findEntityById(() -> specialtyRepository.findSpecialtiesByNameIn(names));
}
private <T> T findEntityById(Supplier<T> supplier) {
try {
return supplier.get();
} catch (ObjectRetrievalFailureException | EmptyResultDataAccessException e) {
// Just ignore not found exceptions for Jdbc/Jpa realization
return null;
}
}
}