Java tutorial
/* * Copyright 2018 Shinya Mochida * * Licensed under the Apache License,Version2.0(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 com.example.user; import com.example.db.User; import org.springframework.data.repository.reactive.ReactiveCrudRepository; import org.springframework.stereotype.Repository; import reactor.core.publisher.Mono; @Repository public interface UserRepository extends ReactiveCrudRepository<User, String> { Mono<User> findByUsername(final String username); }