Java tutorial
package org.sigmah.server.domain; /* * #%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.HashSet; import java.util.Set; import javax.persistence.CascadeType; import javax.persistence.Column; import javax.persistence.Embedded; import javax.persistence.Entity; import javax.persistence.FetchType; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.JoinColumn; import javax.persistence.JoinTable; import javax.persistence.ManyToMany; import javax.persistence.ManyToOne; import javax.persistence.OneToMany; import javax.persistence.Table; import javax.validation.constraints.NotNull; import javax.validation.constraints.Size; import org.apache.commons.lang3.builder.ToStringBuilder; import org.sigmah.server.domain.base.AbstractEntityId; import org.sigmah.server.domain.util.EntityConstants; /** * <p> * Administrative entity domain entity. * </p> * <p> * These entities are created in order to split a country in administrative areas. It could be use to localizing a site * within an administrative area and on what an indicator is about. * </p> * * @author Alex Bertram * @author Denis Colliot (dcolliot@ideia.fr) */ @Entity @Table(name = EntityConstants.ADMIN_ENTITY_TABLE) public class AdminEntity extends AbstractEntityId<Integer> { /** * Serial version UID. */ private static final long serialVersionUID = 7813010816730061755L; @Id @GeneratedValue(strategy = GenerationType.AUTO) @Column(name = EntityConstants.ADMIN_ENTITY_COLUMN_ID, unique = true, nullable = false) private Integer id; /** * Human readable name for the administrative entity. */ @Column(name = EntityConstants.ADMIN_ENTITY_COLUMN_NAME, nullable = false, length = EntityConstants.NAME_MAX_LENGTH) @NotNull @Size(max = EntityConstants.NAME_MAX_LENGTH) private String name; /** * Name of the administrative entity. */ @Column(name = EntityConstants.ADMIN_ENTITY_COLUMN_SOUNDEX, length = EntityConstants.NAME_MAX_LENGTH) @Size(max = EntityConstants.NAME_MAX_LENGTH) private String soundex; /** * Short name for the administrative entity. */ @Column(name = EntityConstants.ADMIN_ENTITY_COLUMN_CODE, length = EntityConstants.ADMIN_ENTITY_CODE_MAX_LENGTH) @Size(max = EntityConstants.ADMIN_ENTITY_CODE_MAX_LENGTH) private String code; /** * Area coordinates. */ @Embedded private Bounds bounds; // -------------------------------------------------------------------------------- // // FOREIGN KEYS. // // -------------------------------------------------------------------------------- @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(name = EntityConstants.ADMIN_LEVEL_COLUMN_ID, nullable = false) @NotNull private AdminLevel level; @ManyToOne(fetch = FetchType.LAZY, optional = true) @JoinColumn(name = EntityConstants.ADMIN_ENTITY_COLUMN_PARENT, nullable = true) private AdminEntity parent; @ManyToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY) @JoinTable(name = EntityConstants.LOCATION_ADMIN_ENTITY_LINK_TABLE, joinColumns = { @JoinColumn(name = EntityConstants.ADMIN_ENTITY_COLUMN_ID, nullable = false, updatable = false) }, inverseJoinColumns = { @JoinColumn(name = EntityConstants.LOCATION_COLUMN_ID, nullable = false, updatable = false) }) private Set<Location> locations = new HashSet<Location>(0); @OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, fetch = FetchType.LAZY) private Set<AdminEntity> children = new HashSet<AdminEntity>(0); // -------------------------------------------------------------------------------- // // METHODS. // // -------------------------------------------------------------------------------- public AdminEntity() { // Default empty constructor. } public AdminEntity(Integer id, AdminLevel adminLevel, String name) { this.id = id; this.level = adminLevel; this.name = name; } /** * {@inheritDoc} */ @Override public void appendToString(final ToStringBuilder builder) { builder.append("name", name); builder.append("soundex", soundex); builder.append("code", code); builder.append("bounds", bounds); } // -------------------------------------------------------------------------------- // // GETTERS & SETTERS. // // -------------------------------------------------------------------------------- @Override public Integer getId() { return this.id; } @Override public void setId(Integer adminEntityId) { this.id = adminEntityId; } public AdminLevel getLevel() { return this.level; } public void setLevel(AdminLevel level) { this.level = level; } public Set<Location> getLocations() { return this.locations; } public void setLocations(Set<Location> locations) { this.locations = locations; } public AdminEntity getParent() { return this.parent; } public void setParent(AdminEntity parent) { this.parent = parent; } public String getName() { return this.name; } public void setName(String name) { this.name = name; } public String getSoundex() { return this.soundex; } public void setSoundex(String soundex) { this.soundex = soundex; } public String getCode() { return this.code; } public void setCode(String code) { this.code = code; } public Bounds getBounds() { return bounds; } public void setBounds(Bounds bounds) { this.bounds = bounds; } public Set<AdminEntity> getChildren() { return this.children; } public void setChildren(Set<AdminEntity> children) { this.children = children; } }