/*This code was generated using the UMPLE modeling language!
 Date of generation: 2008/07/30 12:12:16*/
/*This class drives: ElectionForPosition*/

package ElectorialSystem.core;

import java.util.*;
import ElectorialSystem.*;
import ElectorialSystem.json.*;

public class Position {
  //Class datatypes
  private String description;

  //Class association variables
  private ElectedBody electedBody;

  private List<ElectionForPosition> electionForPositions;

  private ElectoralDistrict electoralDistrict;

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

  //Constructor
  public Position(String aDescription, ElectedBody aElectedBody) {
    description = aDescription;
    electedBody = aElectedBody;
    electedBody.addPosition(this);

    electionForPositions = new ArrayList<ElectionForPosition>();
    registry.add(electionForPositions);

  }

  public boolean setDescription(String aDescription) {
    description = aDescription;
    return true;
  }

  public String getDescription() {
    return description;
  }

  public ElectedBody getElectedBody() {
    return electedBody;
  }

  public List<ElectionForPosition> getElectionForPositions() {
    return electionForPositions;
  }

  public ElectoralDistrict getElectoralDistrict() {
    return electoralDistrict;
  }

  public ElectionForPosition addElectionForPosition(Election aElection,
    Position aPosition) {
    ElectionForPosition newElectionForPosition;
    newElectionForPosition = new ElectionForPosition(aElection, this);
    if (!electionForPositions.contains(newElectionForPosition)) {
      registry.add(newElectionForPosition);
      electionForPositions.add(newElectionForPosition);
    }
    return newElectionForPosition;
  }

  public ElectionForPosition addElectionForPosition(
    ElectionForPosition aElectionForPosition) {
    if (!electionForPositions.contains(aElectionForPosition))
      electionForPositions.add(aElectionForPosition);
    return aElectionForPosition;
  }

  /* This class does not drive ElectedBody and therefore sets the association unidirectionally.*/
  public void setElectedBody(ElectedBody aElectedBody) {
    electedBody = aElectedBody;
  }

  /* This class does not drive ElectoralDistrict and therefore sets the association unidirectionally.*/
  public void setElectoralDistrict(ElectoralDistrict aElectoralDistrict) {
    electoralDistrict = aElectoralDistrict;
  }

  public void delete() {
    //Delete all many ends first.
    for (ElectionForPosition aElectionForPosition : electionForPositions) {
      aElectionForPosition.delete();
    }
    electionForPositions.clear();

    //Delete all 1 ends.
    electedBody.deletePosition(this);
    electoralDistrict.deletePosition(this);
  }

  public void deleteElectionForPosition(ElectionForPosition aElectionForPosition) {

    if (electionForPositions.contains(aElectionForPosition)) {
      electionForPositions.remove(aElectionForPosition);

      //registry.removeObj(registry.getKey(aElectionForPosition));
    } else
    //Throw an UmpleException .. to be implemented.
    {
    }
  }

  public void deleteElectoralDistrict(ElectoralDistrict aElectoralDistrict) {

    if (aElectoralDistrict.equals(electoralDistrict)) {
      electoralDistrict = null;

      registry.removeObj(registry.getKey(aElectoralDistrict));
    } else
    //Throw an UmpleException .. to be implemented.
    {
    }
  }

  public boolean areManyEndsNull() {
    if (electionForPositions.size() == 0) {
      return true;
    } else
      return false;
  }

  /***********************************
   * 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("description", getDescription());
    return obj;
  }

}