@Override
  public boolean equals(Object obj) {
    if (obj == null) {
      return false;
    }

    LearningActivityTryClp learningActivityTry = null;

    try {
      learningActivityTry = (LearningActivityTryClp) obj;
    } catch (ClassCastException cce) {
      return false;
    }

    long primaryKey = learningActivityTry.getPrimaryKey();

    if (getPrimaryKey() == primaryKey) {
      return true;
    } else {
      return false;
    }
  }
  @Override
  public Object clone() {
    LearningActivityTryClp clone = new LearningActivityTryClp();

    clone.setUuid(getUuid());
    clone.setLatId(getLatId());
    clone.setActId(getActId());
    clone.setUserId(getUserId());
    clone.setStartDate(getStartDate());
    clone.setResult(getResult());
    clone.setEndDate(getEndDate());
    clone.setTryData(getTryData());
    clone.setTryResultData(getTryResultData());
    clone.setComments(getComments());

    return clone;
  }