Java tutorial
/* * Copyright 2012-2014 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 doge.domain; import org.springframework.data.annotation.Id; import org.springframework.data.mongodb.core.mapping.DBRef; import org.springframework.util.Assert; /** * A Doge submitted by a {@link User}. * * @author Josh Long * @author Phillip Webb */ public class DogePhoto { @Id private String id; @DBRef(lazy = true) private User user; private String fileRef; public DogePhoto(User user, String fileRef) { Assert.notNull(user, "User must not be null"); Assert.notNull(fileRef, "FileRef must not be null"); this.user = user; this.fileRef = fileRef; } public String getId() { return this.id; } public String getFileRef() { return this.fileRef; } }