/
SimpleJdbcRepository.java
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/
SimpleJdbcRepository.java
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/*
* Copyright 2017-2020 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
*
* https://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.data.jdbc.repository.support;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import java.util.Optional;
import java.util.stream.Collectors;
import org.springframework.data.jdbc.core.JdbcAggregateOperations;
import org.springframework.data.mapping.PersistentEntity;
import org.springframework.data.repository.CrudRepository;
import org.springframework.data.util.Streamable;
import org.springframework.transaction.annotation.Transactional;
/**
* Default implementation of the {@link org.springframework.data.repository.CrudRepository} interface.
*
* @author Jens Schauder
* @author Oliver Gierke
*/
@RequiredArgsConstructor
@Transactional(readOnly = true)
public class SimpleJdbcRepository<T, ID> implements CrudRepository<T, ID> {
private final @NonNull JdbcAggregateOperations entityOperations;
private final @NonNull PersistentEntity<T, ?> entity;
/*
* (non-Javadoc)
* @see org.springframework.data.repository.CrudRepository#save(S)
*/
@Transactional
@Override
public <S extends T> S save(S instance) {
return entityOperations.save(instance);
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.CrudRepository#save(java.lang.Iterable)
*/
@Transactional
@Override
public <S extends T> Iterable<S> saveAll(Iterable<S> entities) {
return Streamable.of(entities).stream() //
.map(this::save) //
.collect(Collectors.toList());
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.CrudRepository#findOne(java.io.Serializable)
*/
@Override
public Optional<T> findById(ID id) {
return Optional.ofNullable(entityOperations.findById(id, entity.getType()));
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.CrudRepository#exists(java.io.Serializable)
*/
@Override
public boolean existsById(ID id) {
return entityOperations.existsById(id, entity.getType());
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.CrudRepository#findAll()
*/
@Override
public Iterable<T> findAll() {
return entityOperations.findAll(entity.getType());
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.CrudRepository#findAll(java.lang.Iterable)
*/
@Override
public Iterable<T> findAllById(Iterable<ID> ids) {
return entityOperations.findAllById(ids, entity.getType());
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.CrudRepository#count()
*/
@Override
public long count() {
return entityOperations.count(entity.getType());
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.CrudRepository#delete(java.io.Serializable)
*/
@Transactional
@Override
public void deleteById(ID id) {
entityOperations.deleteById(id, entity.getType());
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.CrudRepository#delete(java.lang.Object)
*/
@Transactional
@Override
public void delete(T instance) {
entityOperations.delete(instance, entity.getType());
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.CrudRepository#delete(java.lang.Iterable)
*/
@Transactional
@Override
@SuppressWarnings("unchecked")
public void deleteAll(Iterable<? extends T> entities) {
entities.forEach(it -> entityOperations.delete(it, (Class<T>) it.getClass()));
}
@Transactional
@Override
public void deleteAll() {
entityOperations.deleteAll(entity.getType());
}
}