Java tutorial
/** * Copyright 2010 Vstra Gtalandsregionen * * This library is free software; you can redistribute it and/or modify * it under the terms of version 2.1 of the GNU Lesser General Public * License as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307 USA * */ package se.vgregion.urlservice.types; import java.util.Collection; import java.util.HashSet; import java.util.UUID; import javax.persistence.CascadeType; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.InheritanceType; import javax.persistence.OneToMany; import org.springframework.util.Assert; import se.vgregion.dao.domain.patterns.entity.AbstractEntity; @Entity @javax.persistence.Inheritance(strategy = InheritanceType.TABLE_PER_CLASS) public class Owner extends AbstractEntity<UUID> { @SuppressWarnings("unused") @Id private UUID id; @Column(nullable = false, unique = true) private String name; @OneToMany private Collection<Bookmark> bookmarks = new HashSet<Bookmark>(); protected Owner() { } public Owner(String name) { Assert.hasText(name); this.id = UUID.randomUUID(); this.name = name; } @Override public UUID getId() { return id; } public String getName() { return name; } public Collection<Bookmark> getShortLinks() { return bookmarks; } public void addShortLink(Bookmark shortLink) { bookmarks.add(shortLink); } }