/*
* Copyright 2013-2014 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.data.repository.invoker;
import java.io.Serializable;
import java.lang.reflect.Method;
import org.springframework.core.convert.ConversionService;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.repository.PagingAndSortingRepository;
import org.springframework.data.repository.core.CrudMethods;
import org.springframework.data.repository.core.RepositoryInformation;
import org.springframework.data.repository.core.RepositoryMetadata;
/**
* A special {@link RepositoryInvoker} that shortcuts invocations to methods on {@link PagingAndSortingRepository} to
* avoid reflection overhead introduced by the superclass.
*
* @author Oliver Gierke
* @since 1.10
*/
class PagingAndSortingRepositoryInvoker extends CrudRepositoryInvoker {
private final PagingAndSortingRepository<Object, Serializable> repository;
private final boolean customFindAll;
/**
* Creates a new {@link PagingAndSortingRepositoryInvoker} using the given repository, {@link RepositoryInformation}
* and {@link ConversionService}.
*
* @param repository must not be {@literal null}.
* @param metadata must not be {@literal null}.
* @param conversionService must not be {@literal null}.
*/
public PagingAndSortingRepositoryInvoker(PagingAndSortingRepository<Object, Serializable> repository,
RepositoryMetadata metadata, ConversionService conversionService) {
super(repository, metadata, conversionService);
CrudMethods crudMethods = metadata.getCrudMethods();
this.repository = repository;
this.customFindAll = isRedeclaredMethod(crudMethods.getFindAllMethod());
}
/*
* (non-Javadoc)
* @see org.springframework.data.rest.core.invoke.CrudRepositoryInvoker#invokeFindAll(org.springframework.data.domain.Sort)
*/
@Override
public Iterable<Object> invokeFindAll(Sort sort) {
return customFindAll ? invokeFindAllReflectively(sort) : repository.findAll(sort);
}
/*
* (non-Javadoc)
* @see org.springframework.data.rest.core.invoke.CrudRepositoryInvoker#invokeFindAll(org.springframework.data.domain.Pageable)
*/
@Override
public Iterable<Object> invokeFindAll(Pageable pageable) {
return customFindAll ? invokeFindAllReflectively(pageable) : repository.findAll(pageable);
}
private boolean isRedeclaredMethod(Method method) {
return !method.getDeclaringClass().equals(PagingAndSortingRepository.class);
}
}