Java tutorial
package org.sigmah.server.domain.value; /* * #%L * Sigmah * %% * Copyright (C) 2010 - 2016 URD * %% * This program 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. * * This program 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 this program. If not, see * <http://www.gnu.org/licenses/gpl-3.0.html>. * #L% */ import java.util.Date; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.JoinColumn; import javax.persistence.ManyToOne; import javax.persistence.Table; import javax.persistence.Temporal; import javax.persistence.TemporalType; import javax.persistence.Transient; import javax.persistence.UniqueConstraint; import javax.validation.constraints.NotNull; import javax.validation.constraints.Size; import org.apache.commons.lang3.builder.ToStringBuilder; import org.hibernate.annotations.Filter; import org.hibernate.annotations.FilterDef; import org.hibernate.annotations.FilterDefs; import org.hibernate.annotations.Filters; import org.sigmah.server.domain.User; import org.sigmah.server.domain.base.AbstractEntityId; import org.sigmah.server.domain.util.Deleteable; import org.sigmah.server.domain.util.EntityConstants; import org.sigmah.server.domain.util.EntityFilters; /** * <p> * File Version domain entity. * </p> * * @author Denis Colliot (dcolliot@ideia.fr) */ @Entity @Table(name = EntityConstants.FILE_VERSION_TABLE, uniqueConstraints = { @UniqueConstraint(columnNames = { EntityConstants.FILE_VERSION_COLUMN_ID_FILE, EntityConstants.FILE_VERSION_COLUMN_VERSION_NUMBER }) }) @FilterDefs({ @FilterDef(name = EntityFilters.HIDE_DELETED) }) @Filters({ @Filter(name = EntityFilters.HIDE_DELETED, condition = EntityFilters.FILE_VERSION_HIDE_DELETED_CONDITION) }) public class FileVersion extends AbstractEntityId<Integer> implements Deleteable { /** * Serial version UID. */ private static final long serialVersionUID = -1143785858180618602L; // Use an Integer as identifier to be compatible with the EntityDTO // interface and the command handlers. @Id @GeneratedValue(strategy = GenerationType.AUTO) @Column(name = EntityConstants.FILE_VERSION_COLUMN_ID) private Integer id; @Column(name = EntityConstants.FILE_VERSION_COLUMN_VERSION_NUMBER, nullable = false) @NotNull private Integer versionNumber; @Column(name = EntityConstants.FILE_VERSION_COLUMN_PATH, nullable = false, columnDefinition = EntityConstants.COLUMN_DEFINITION_TEXT) @NotNull private String path; @Temporal(TemporalType.TIMESTAMP) @Column(name = EntityConstants.FILE_VERSION_COLUMN_ADDED_DATE, nullable = false) @NotNull private Date addedDate; @Column(name = EntityConstants.FILE_VERSION_COLUMN_SIZE, nullable = false) @NotNull private Long size; @Column(name = EntityConstants.FILE_VERSION_COLUMN_COMMENTS, nullable = true, columnDefinition = EntityConstants.COLUMN_DEFINITION_TEXT) private String comments; @Column(name = EntityConstants.FILE_VERSION_COLUMN_NAME, nullable = false, columnDefinition = EntityConstants.COLUMN_DEFINITION_TEXT) @NotNull private String name; @Column(name = EntityConstants.FILE_VERSION_COLUMN_EXTENSION, nullable = true, length = EntityConstants.FILE_VERSION_EXTENSION_MAX_SIZE) @Size(max = EntityConstants.FILE_VERSION_EXTENSION_MAX_SIZE) private String extension; // Deletion informations. @Column(name = EntityConstants.FILE_VERSION_COLUMN_DATE_DELETED) @Temporal(value = TemporalType.TIMESTAMP) private Date dateDeleted; // -------------------------------------------------------------------------------- // // FOREIGN KEYS. // // -------------------------------------------------------------------------------- @ManyToOne(optional = false) @JoinColumn(name = EntityConstants.FILE_META_COLUMN_ID, nullable = false) @NotNull private File parentFile; @ManyToOne(optional = false) @JoinColumn(name = EntityConstants.FILE_VERSION_COLUMN_ID_AUTHOR, nullable = false) @NotNull private User author; // -------------------------------------------------------------------------------- // // METHODS. // // -------------------------------------------------------------------------------- @Override protected void appendToString(ToStringBuilder builder) { builder.append("versionNumber", versionNumber); builder.append("path", path); builder.append("addedDate", addedDate); builder.append("size", size); builder.append("comments", comments); builder.append("name", name); builder.append("extension", extension); builder.append("dateDeleted", dateDeleted); } @Override public void delete() { setDateDeleted(new Date()); } @Override @Transient public boolean isDeleted() { return getDateDeleted() != null; } // -------------------------------------------------------------------------------- // // GETTERS & SETTERS. // // -------------------------------------------------------------------------------- public void setId(Integer id) { this.id = id; } public Integer getId() { return id; } public void setParentFile(File parentFile) { this.parentFile = parentFile; } public File getParentFile() { return parentFile; } public void setVersionNumber(Integer versionNumber) { this.versionNumber = versionNumber; } public Integer getVersionNumber() { return versionNumber; } public void setPath(String path) { this.path = path; } public String getPath() { return path; } public void setAuthor(User author) { this.author = author; } public User getAuthor() { return author; } public void setAddedDate(Date addedDate) { this.addedDate = addedDate; } public Date getAddedDate() { return addedDate; } public void setSize(Long size) { this.size = size; } public Long getSize() { return size; } public void setComments(String comments) { this.comments = comments; } public String getComments() { return comments; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getExtension() { return extension; } public void setExtension(String extension) { this.extension = extension; } public Date getDateDeleted() { return this.dateDeleted; } public void setDateDeleted(Date date) { this.dateDeleted = date; } }