AxCategory.java

Go to the documentation of this file.

/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2022 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.alliance.db.entities;
 
import java.io.Serializable;
import java.util.Map;
import javax.json.JsonValue;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import javax.persistence.Transient;
import org.turro.string.Strings;
import org.turro.alliance.db.AlliancePU;
import org.turro.elephant.db.IdUtils;
import org.turro.jpa.entity.IDaoEntity;
import org.turro.json.IJSONizable;
import org.turro.math.Zero;
import org.turro.path.UniquePath;
import org.turro.util.Chars;
 
@Entity
public class AxCategory implements Serializable, IDaoEntity, IJSONizable {
 
  @Id private Long categoryId;
 
  private String name;
 
  private String uniquePath;
  
  @Transient
  private String pathName;
 
  @ManyToOne
  private AxCategory parent;
 
  public Long getCategoryId() {
    return categoryId;
  }
 
  public void setCategoryId(Long categoryId) {
    this.categoryId = categoryId;
  }
 
  public String getName() {
    return name;
  }
 
  public void setName(String name) {
    this.name = name;
  }
 
  public String getUniquePath() {
    return uniquePath;
  }
 
  public void setUniquePath(String uniquePath) {
    this.uniquePath = uniquePath;
  }
 
  public AxCategory getParent() {
    return parent;
  }
 
  public void setParent(AxCategory parent) {
    this.parent = parent;
  }
 
  public String getPathName() {
    if(pathName == null) {
      AxCategory current = getParent();
      StringBuilder sb = new StringBuilder(getName());
      while(current != null) {
        sb.insert(0, Chars.forward().spaced().toString())
          .insert(0, current.getName());
        current = current.getParent();
      }
      pathName = sb.toString();
    }
    return pathName;
  }
 
  public void setPathName(String pathName) {
    this.pathName = pathName;
  }
  
  /* IDaoEntity */
  
  @Override
  public Object entityId() {
    return categoryId;
  }
 
  @Override
  public boolean isEmpty() {
    return Strings.isBlank(name);
  }
 
  @Override
  public void prepareSave() {
    IDaoEntity.super.prepareSave();
    if(Zero.orNull(categoryId)) {
      categoryId = IdUtils.getNewLongIdFromLong(new AlliancePU(), "AxCategory", "categoryId");
    }
    uniquePath = UniquePath.getPath(this, c -> Long.toString(c.getCategoryId()), c -> c.getParent());
    if(Strings.isBlank(uniquePath)) parent = null;
  }
  
  /* JSONizable */
 
  @Override
  public String toJson() {
    getPathName();
    return toJson(this);
  }
 
  @Override
  public String toJson(Map<String, Object> properties) {
    return toJson(this, properties);
  }
 
  public static AxCategory fromJson(JsonValue value) {
    return IJSONizable.fromJson(value.toString(), AxCategory.class);
  }
 
}