Java tutorial
/** * Copyright 2010-2016 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 kiss.domain.user; import lombok.AllArgsConstructor; import lombok.Data; import lombok.ToString; import lombok.Value; import org.apache.commons.lang3.builder.EqualsBuilder; import org.apache.commons.lang3.builder.HashCodeBuilder; import org.apache.ibatis.annotations.Mapper; import javax.persistence.*; import java.io.Serializable; import java.util.HashSet; import java.util.Set; /** * A simple bean that holds User info. */ @Entity @ToString(exclude = "account") @Data @AllArgsConstructor public class User implements Serializable { @Id private String id; private String name; @OneToMany(targetEntity = Phone.class, cascade = CascadeType.ALL, mappedBy = "user") private Set<Phone> phones; @Transient private String account; public User deepClone() { Set<Phone> phonesClone = new HashSet<Phone>(phones.size()); User userClone = new User(id, name, phonesClone, null); for (Phone phone : phones) { phonesClone.add(new Phone(phone.getId(), phone.getNumber(), phone.getBand(), userClone)); } return userClone; } public boolean equalTo(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; User user = (User) o; return new EqualsBuilder().append(id, user.id).append(name, user.name).isEquals(); } }