src/org/mxchange/jproduct/model/category/ProductCategory.java

   1 /*
   2  * Copyright (C) 2016, 2017 Roland Häder
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.jproduct.model.category;
  18
  19 import java.util.Date;
  20 import java.util.Objects;
  21 import javax.persistence.Basic;
  22 import javax.persistence.CascadeType;
  23 import javax.persistence.Column;
  24 import javax.persistence.Entity;
  25 import javax.persistence.GeneratedValue;
  26 import javax.persistence.GenerationType;
  27 import javax.persistence.Id;
  28 import javax.persistence.JoinColumn;
  29 import javax.persistence.NamedQueries;
  30 import javax.persistence.NamedQuery;
  31 import javax.persistence.OneToOne;
  32 import javax.persistence.Table;
  33 import javax.persistence.Temporal;
  34 import javax.persistence.TemporalType;
  35 import javax.persistence.Transient;
  36
  37 /**
  38  * A product category
  39  * <p>
  40  * @author Roland Häder<roland@mxchange.org>
  41  */
  42 @Entity (name = "product_category")
  43 @Table (name = "product_category")
  44 @NamedQueries (
  45                 {
  46                         @NamedQuery (name = "AllProductCategories", query = "SELECT pc FROM product_category AS pc ORDER BY pc.categoryId ASC")
  47                 }
  48 )
  49 @SuppressWarnings ("PersistenceUnitPresent")
  50 public class ProductCategory implements Category {
  51
  52         /**
  53          * Serial number
  54          */
  55         @Transient
  56         private static final long serialVersionUID = 21_458_945_712_659L;
  57
  58         /**
  59          * When this entry has been created
  60          */
  61         @Basic (optional = false)
  62         @Column (name = "category_created", updatable = false, nullable = false)
  63         @Temporal (TemporalType.TIMESTAMP)
  64         private Date categoryCreated;
  65
  66         /**
  67          * Id number of category
  68          */
  69         @Id
  70         @GeneratedValue (strategy = GenerationType.IDENTITY)
  71         @Column (name = "category_id", nullable = false)
  72         private Long categoryId;
  73
  74         /**
  75          * Whether this category is shown in any statistics
  76          */
  77         @Basic (optional = false)
  78         @Column (name = "category_in_statistics", nullable = false)
  79         private Boolean categoryShownInStatistics;
  80
  81         /**
  82          * Title of category
  83          */
  84         @Basic (optional = false)
  85         @Column (name = "category_title", length = 100, nullable = false, unique = true)
  86         private String categoryTitle;
  87
  88         /**
  89          * Parent category
  90          */
  91         @JoinColumn (name = "category_parent_id", referencedColumnName = "category_id")
  92         @OneToOne (targetEntity = ProductCategory.class, cascade = CascadeType.REFRESH)
  93         private Category parentCategory;
  94
  95         /**
  96          * Constructor which accepts all database fields
  97          * <p>
  98          * @param categoryTitle             Category categoryTitle
  99          * @param parentCategory            Parent category
 100          * @param categoryShownInStatistics Whether this category is shown in any
 101          *                                  statistics
 102          */
 103         public ProductCategory (final String categoryTitle, final Category parentCategory, final Boolean categoryShownInStatistics) {
 104                 // Call other constructor
 105                 this();
 106
 107                 // Set all here
 108                 this.categoryTitle = categoryTitle;
 109                 this.parentCategory = parentCategory;
 110                 this.categoryShownInStatistics = categoryShownInStatistics;
 111         }
 112
 113         /**
 114          * Default constructor
 115          */
 116         public ProductCategory () {
 117         }
 118
 119         @Override
 120         public boolean equals (final Object object) {
 121                 if (this == object) {
 122                         return true;
 123                 } else if (null == object) {
 124                         return false;
 125                 } else if (this.getClass() != object.getClass()) {
 126                         return false;
 127                 }
 128
 129                 final Category category = (Category) object;
 130
 131                 if (!Objects.equals(this.getCategoryTitle(), category.getCategoryTitle())) {
 132                         return false;
 133                 } else if (!Objects.equals(this.getCategoryId(), category.getCategoryId())) {
 134                         return false;
 135                 }
 136
 137                 return true;
 138         }
 139
 140         @Override
 141         @SuppressWarnings ("ReturnOfDateField")
 142         public Date getCategoryCreated () {
 143                 return this.categoryCreated;
 144         }
 145
 146         @Override
 147         @SuppressWarnings ("AssignmentToDateFieldFromParameter")
 148         public void setCategoryCreated (final Date categoryCreated) {
 149                 this.categoryCreated = categoryCreated;
 150         }
 151
 152         @Override
 153         public Long getCategoryId () {
 154                 return this.categoryId;
 155         }
 156
 157         @Override
 158         public void setCategoryId (final Long categoryId) {
 159                 this.categoryId = categoryId;
 160         }
 161
 162         @Override
 163         public Boolean getCategoryShownInStatistics () {
 164                 return this.categoryShownInStatistics;
 165         }
 166
 167         @Override
 168         public void setCategoryShownInStatistics (final Boolean categoryShownInStatistics) {
 169                 this.categoryShownInStatistics = categoryShownInStatistics;
 170         }
 171
 172         @Override
 173         public String getCategoryTitle () {
 174                 return this.categoryTitle;
 175         }
 176
 177         @Override
 178         public void setCategoryTitle (final String categoryTitle) {
 179                 this.categoryTitle = categoryTitle;
 180         }
 181
 182         @Override
 183         public Category getParentCategory () {
 184                 return this.parentCategory;
 185         }
 186
 187         @Override
 188         public void setParentCategory (final Category parentCategory) {
 189                 this.parentCategory = parentCategory;
 190         }
 191
 192         @Override
 193         public int hashCode () {
 194                 int hash = 7;
 195
 196                 hash = 13 * hash + Objects.hashCode(this.getCategoryId());
 197                 hash = 13 * hash + Objects.hashCode(this.getCategoryTitle());
 198
 199                 return hash;
 200         }
 201
 202 }