@Override public int hashCode() { final int prime = 41; int result = 1; result = prime * result + ((id == null) ? 0 : id.hashCode()); result = prime * result + sequenceNumber; result = prime * result + Long.valueOf(lastModifyTime).hashCode(); result = prime * result + ((application == null) ? 0 : application.hashCode()); result = prime * result + ((change == null) ? 0 : change.hashCode()); return result; }