/*This code was generated using the UMPLE modeling language!
 Date of generation: 2008/07/30 10:29:33*/
/*This class drives: */

package library.core;

import library.*;
import library.json.*;

public class Periodical extends Publication {
  //Class datatypes
  private String issn;

  private String frequency;

  //Class association variables

  //Registry of our system.
  LibraryRegistry registry = LibraryRegistry.getInstance();

  //Constructor
  public Periodical(String aName, String aIssn, String aFrequency) {
    super(aName);
    issn = aIssn;
    frequency = aFrequency;
  }

  public boolean setIssn(String aIssn) {
    issn = aIssn;
    return true;
  }

  public boolean setFrequency(String aFrequency) {
    frequency = aFrequency;
    return true;
  }

  public String getIssn() {
    return issn;
  }

  public String getFrequency() {
    return frequency;
  }

  public void delete() {
  }

  public boolean areManyEndsNull() {
    return true;
  }

  /***********************************
   * Returns the attribute list along with the  
   * class ID in JSON format.
   ***********************************/
  public JSONObject getAttributes() throws JSONException {
    JSONObject obj = new JSONObject();
    obj.put("CLASS_ID", registry.getKey(this));
    obj.put("issn", getIssn());
    obj.put("frequency", getFrequency());
    return obj;
  }

}