Java tutorial
/* * Copyright 2011, MyCellar * * This file is part of MyCellar. * * MyCellar is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * MyCellar 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with MyCellar. If not, see <http://www.gnu.org/licenses/>. */ package fr.mycellar.domain.image; import java.util.Objects; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.SequenceGenerator; import javax.persistence.Table; import lombok.Getter; import lombok.Setter; import org.apache.commons.lang3.builder.ToStringBuilder; import fr.mycellar.domain.shared.IdentifiedEntity; import fr.mycellar.domain.shared.NamedEntity; /** * @author bperalta */ @Entity @Table(name = "IMAGE") @SequenceGenerator(name = "IMAGE_ID_GENERATOR", allocationSize = 1) public class Image extends NamedEntity { private static final long serialVersionUID = 201111181451L; @Id @GeneratedValue(generator = "IMAGE_ID_GENERATOR") @Column(name = "ID", nullable = false) @Getter private Integer id; @Column(name = "CONTENT") @Getter @Setter private byte[] content; @Column(name = "CONTENT_TYPE", nullable = false) @Getter @Setter private String contentType; @Column(name = "HEIGHT") @Getter @Setter private int height; @Column(name = "WIDTH") @Getter @Setter private int width; @Override protected boolean dataEquals(IdentifiedEntity other) { Image image = (Image) other; boolean result; if ((getContent() == null) || (image.getContent() == null)) { result = Objects.equals(getName(), image.getName()) && Objects.equals(getContentType(), image.getContentType()); } else { result = Objects.equals(getContent(), image.getContent()); } return result; } @Override protected Object[] getHashCodeData() { return new Object[] { getName() }; } @Override public String toString() { return new ToStringBuilder(this).appendSuper(super.toString()).append("contentType", contentType) .append("height", height).append("width", width).build(); } }