Tag.java

Go to the documentation of this file.

/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2021 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.elephant.entities.db;
 
import java.io.Serializable;
import java.util.Map;
import javax.json.JsonValue;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.IdClass;
import javax.persistence.Index;
import javax.persistence.Table;
import org.turro.json.IJSONizable;
import org.turro.string.Strings;
import org.turro.tags.TagMeta;
 
@Entity
@IdClass(TagPK.class)
@Table(indexes={ 
  @Index(name = "TagIndex", columnList = "tagName") 
})
public class Tag implements Serializable, IJSONizable {
 
  @Id private String tagName;
  @Id private String entityPath;
 
  public String getTagName() {
    return tagName;
  }
 
  public void setTagName(String tagName) {
    this.tagName = tagName;
  }
 
  public String getEntityPath() {
    return entityPath;
  }
 
  public void setEntityPath(String entityPath) {
    this.entityPath = entityPath;
  }
 
  /* Helpers */
  
  public boolean isEmpty() {
    return Strings.isBlank(tagName) || Strings.isBlank(entityPath);
  }
 
  public TagMeta getMeta() {
    return TagMeta.importFrom(tagName);
  }
  
  /* JSONizable */
 
  @Override
  public String toJson() {
    return toJson(this);
  }
 
  @Override
  public String toJson(Map<String, Object> properties) {
    return toJson(this, properties);
  }
 
  public static Tag fromJson(JsonValue value) {
    return IJSONizable.fromJson(value.toString(), Tag.class);
  }
 
}