MetaTag.java :  » JBoss » richfaces-ui-3.3.2 » org » richfaces » photoalbum » domain » Java Open Source

/**
 * License Agreement.
 *
 *  JBoss RichFaces - Ajax4jsf Component Library
 *
 * Copyright (C) 2007  Exadel, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License version 2.1 as published by the Free Software Foundation.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 */
package org.richfaces.photoalbum.domain;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.ManyToMany;
import javax.persistence.Table;
import javax.persistence.UniqueConstraint;

import org.hibernate.validator.Length;
import org.hibernate.validator.NotEmpty;
import org.hibernate.validator.NotNull;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;

/**
 * Class for representing MetaTag Entity
 * EJB3 Entity Bean
 *
 * @author Andrey Markhel
 */

@Entity
@Name("metaTag")
@Table(uniqueConstraints = {
  @UniqueConstraint(columnNames = "tag")
    })
@Scope(ScopeType.EVENT)
public class MetaTag implements Serializable {

  private static final long serialVersionUID = -9065024051468971330L;

  @Id
  @GeneratedValue
  private Long id;

  @Column(length = 255, nullable = false)
  @NotNull
  @NotEmpty
  @Length(min = 3, max = 50)
  private String tag;

  @ManyToMany(mappedBy = "imageTags")
  private List<Image> images = new ArrayList<Image>();

  public MetaTag() {
  }

  public MetaTag(Long id, String tag) {
    this.id = id;
    this.tag = tag;
  }

  //---------------------------------Getters, Setters..
  public Long getId() {
    return id;
  }

  public String getTag() {
    return tag;
  }

  public void setTag(String tag) {
    this.tag = tag;
  }

  public List<Image> getImages() {
    return images;
  }

  public void setImages(List<Image> images) {
    this.images = images;
  }

  public void addImage(Image image) {
    images.add(image);
  }

  public void removeImage(Image image) {
    images.remove(image);
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    
    if (obj == null || getClass() != obj.getClass()) {
      return false;
    }

    final MetaTag metaTag = (MetaTag) obj;

    return (id == null ? metaTag.getId() == null : id.equals(metaTag.getId()))
        && tag.equalsIgnoreCase(metaTag.getTag());
  }

  @Override
  public int hashCode() {
    int result = id != null ? id.hashCode() : 0;
    result = 31 * result + tag.hashCode();
    return result;
  }

  @Override
  public String toString() {
    return "{id : "+getId()+", tag : "+getTag()+"}"; 
  }
}