Java tutorial
package com.ebay.logstorm.server.services; import com.ebay.logstorm.server.entities.ClusterEntity; import org.springframework.data.repository.Repository; import org.springframework.transaction.annotation.Transactional; import java.util.List; import java.util.Optional; /** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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. */ public interface ClusterEntityRepository extends Repository<ClusterEntity, String> { Optional<ClusterEntity> findOneByName(String name); Optional<ClusterEntity> findOneByUuid(String uuid); @Transactional ClusterEntity save(ClusterEntity entity); @Transactional Integer delete(ClusterEntity entity); @Transactional Integer delete(String uuid); @Transactional Integer deleteByName(String name); Optional<ClusterEntity> findOneByUuidOrName(String uuid, String name); List<ClusterEntity> findAll(); }