37 lines
1.1 KiB
Java
37 lines
1.1 KiB
Java
/*
|
|
* Copyright 2015 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 example.users;
|
|
|
|
import java.util.Optional;
|
|
|
|
import org.springframework.data.repository.PagingAndSortingRepository;
|
|
|
|
/**
|
|
* A Spring Data repository to persist {@link User}s.
|
|
*
|
|
* @author Oliver Gierke
|
|
*/
|
|
interface UserRepository extends PagingAndSortingRepository<User, Long> {
|
|
|
|
/**
|
|
* Returns the user with the given {@link Username}.
|
|
*
|
|
* @param username can be {@literal null}.
|
|
* @return
|
|
*/
|
|
Optional<User> findByUsername(Username username);
|
|
}
|