/*
    * Copyright (C) 2008 ETH Zurich
    *
    * This file is part of Fosstrak (www.fosstrak.org).
    *
    * Fosstrak 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.
    *
   * Fosstrak 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 Fosstrak; if not, write to the Free
   * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   * Boston, MA  02110-1301  USA
   */
  
  package org.fosstrak.epcis.repository.model;
  
  import static org.fosstrak.epcis.repository.Utils.eq;
  
  import java.io.Serializable;
  
  /**
   * A base class for vocabulary attribute elements.
   * 
   * @author Nikos Kefalakis (nkef)
   */
  public abstract class VocabularyAttributeElement implements Serializable {
  
  	/**
  	 * 
  	 */
  	private static final long serialVersionUID = -3825662827697962041L;
  	
  	private String privateID;
  	private String value;
  	private VocabularyAttrCiD vocabularyAttrCiD;
  
  
  	public VocabularyAttributeElement() {
  		this.privateID = java.util.UUID.randomUUID().toString();
  	}
  
  	public int hashCode() {
  		return privateID.hashCode();
  	}
  
  	public String getValue() {
  		return value;
  	}
  
  	public void setValue(String value) {
  		this.value = value;
  	}
  
  	public VocabularyAttrCiD getVocabularyAttrCiD() {
  		return vocabularyAttrCiD;
  	}
  
  	public void setVocabularyAttrCiD(VocabularyAttrCiD vocabularyAttrCiD) {
  		this.vocabularyAttrCiD = vocabularyAttrCiD;
  	}
  
  	@Override
  	public boolean equals(Object o) {
  		if (o instanceof VocabularyAttributeElement) {
  			VocabularyAttributeElement that = (VocabularyAttributeElement) o;
  			return eq(this.value, that.value) && eq(this.vocabularyAttrCiD, that.vocabularyAttrCiD);
  		}
  		else {
  			return false;
  		}
  	}
  
  	/**
  	 * The formal name of the vocabulary to which this element belongs.
  	 */
  	public abstract String getVocabularyType();
  
  }