/**
  * Returns the value of the '<em><b>Id</b></em>' attribute.
  * <!-- begin-user-doc -->
  *
  * <p>If the meaning of the '<em>Id</em>' attribute isn't clear, there really should be more of a
  * description here...
  * <!-- end-user-doc -->
  *
  * @return the value of the '<em>Id</em>' attribute.
  * @see #setId(long)
  */
 public long getId() {
   return DataUtil.toLong(super.getByIndex(INDEX_ID, true));
 }