/**
 * Declaration for OctBox object
 *
 * @version a1 Oct 1996
 * @author Francis Chan
 */

public class OctBox extends OctObject{

  // class name

  public static final String className= "OctBox";
  public static final int octFields = 2;
  public static final int objFields = 2;
 
  // class info

  public OctPoint lowerLeft;
  public OctPoint upperRight;

  /** 
   * Constructor of an OctBox (for dynamic creation)
   *	
   * @param octCell    The OctCell that the object resides in
   * @param lowerLeft  Lower left point of the box
   * @param upperRight Upper right point of the box
   */
  public OctBox(OctCell octCell, OctPoint lowerLeft, OctPoint upperRight) {

    this.lowerLeft = lowerLeft;
    this.upperRight = upperRight;

    this.octCell = octCell;

    octCell.AddElement(this);
    
    OctObjSetup(octCell.port, octFields, className);
    SetNumObjField(objFields);
  }

  /*-----------------------------------------------------------
   *
   * the code below is for data backend management
   *
   *-----------------------------------------------------------*/

  /** 
   * Constructor of an OctBox (for loading from data back-end server)
   * @param octCell The OctCell that the object resides in
   */
  public OctBox(OctCell octCell) {

    this.octCell = octCell;
    OctObjSetup(octCell.port, octFields, className);

  }


  /** 
   * Performs the neccessary overhead to allow this object to be 
   * manipulated over the network
   */
  protected void SetObjFields() {

    SetField(0, this.lowerLeft, PersistentObject.OBJECT);
    SetField(1, this.upperRight, PersistentObject.OBJECT);

    OctSetField(octFields);

  }

  /** 
   * Loads the fields of an OctBag from data back-end
   *
   * @param intId     The integer (unique) Id for the object
   */
  public boolean Load(int intId) {

    if (LoadObject(this.objectClassName, null, intId) == false) {
      System.out.println("Couldn't load object " + className + 
			 " with intId " + intId);
      return false;
    }

    // sets up paramVector so it's ready for field assignment
    // 

    OctGetField(octFields);
    octCell.AddElement(this);
    OctObjSetup(octCell.port, octFields, className);
    SetNumObjField(objFields);

    GetObjFields();

    return succeedTransmit;
  }

  /**
   * Filled if any of the fields are objects
   */

  protected int GetObjFields() {

    this.lowerLeft = (OctPoint) GetField(0, PersistentObject.OBJECT_INDICATOR, 0);
System.out.println("Before GetField " + objectClassName);
    this.upperRight = (OctPoint) GetField(1, PersistentObject.OBJECT_INDICATOR, 1);

    return OCT.OK;
  }

  /**
   * Should not be called
   */
  public boolean Load(String strId) {
    
    return false;
  }
}