Agent.java from Texai at Krugle

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/*
 * Agent.java
 *
 * Created on August 16, 2007, 3:50 PM
 *
 * Description: Provides a class to represent an agent in the FOAF ontology.
 *
 * Copyright (C) August 16, 2007 Stephen L. Reed.
 *
 * This program is free software; you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Foundation; either
 * version 2 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program;
 * if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

package org.texai.kb.persistence.sample;

import java.util.List;
import java.util.Set;
import javax.persistence.Id;
import org.texai.kb.Constants;
import org.texai.kb.persistence.RDFEntity;
import org.texai.kb.persistence.RDFNamespace;
import org.texai.kb.persistence.RDFProperty;

/**
 *
 * @author reed
 */
@RDFEntity(
namespaces={
  @RDFNamespace(prefix="foaf", namespaceURI=Constants.FOAF_NAMESPACE)},
subject="foaf:Agent")
public class Agent {
  
  /** This is the URI string that identifies this person.  If null, then it is automatically generated when
   * this instance is persisted.  When a subclass is instantiated, this field is ignored. */
  @Id
  private String agentId;
  
  /** the name of this agent  */
  @RDFProperty(predicate="foaf:name")
  private String name;
  
  /** the birthday of this Agent, represented in mm-dd string form, eg. '12-31'  */
  @RDFProperty(predicate="foaf:birthday")
  private String birthday;
  
  /** the gender of this Agent (typically but not necessarily 'male' or 'female')  */
  @RDFProperty(predicate="foaf:gender")
  private String gender;
  
  /** the set of some things that were made by this agent  */
  @RDFProperty(predicate="foaf:Made")
  private Set<Object> thingsMade;
  
  /** Creates a new instance of Agent. */
  public Agent() {
  }
  
  public String getAgentId() {
    return agentId;
  }
  
  public void setAgentId(final String agentId) {
    this.agentId = agentId;
  }
  
  public String getName() {
    return name;
  }
  
  public void setName(final String name) {
    this.name = name;
  }
  
  public String getBirthday() {
    return birthday;
  }
  
  public void setBirthday(final String birthday) {
    this.birthday = birthday;
  }
  
  public String getGender() {
    return gender;
  }
  
  public void setGender(final String gender) {
    this.gender = gender;
  }
  
  public Set<Object> getThingsMade() {
    return thingsMade;
  }
  
  public void setThingsMade(final Set<Object> thingsMade) {
    this.thingsMade = thingsMade;
  }
  
  /** Returns whether the given object is equal to this object.
   *
   * @param obj the given object
   * @return whether the given object is equal to this object
   */
  @Override
  public boolean equals(final Object obj) {
    if (obj instanceof Agent) {
      final Agent that = (Agent) obj;
      return this.getAgentId().equals(that.getAgentId());
    } else {
      return false;
    }
  }
  
  /** Returns a hash code for this object.
   *
   * @return a hash code for this object
   */
  @Override
  public int hashCode() {
    if (getAgentId() == null) {
      return super.hashCode();
    } else {
      return getAgentId().hashCode();
    }
  }
  
}
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