@Override
	public boolean equals( final Object obj ) {
		if( this == obj ) {
			return true;
		}
		if( obj == null ) {
			return false;
		}
		if( getClass() != obj.getClass() ) {
			return false;
		}
		final Model other = (Model) obj;
		if( notes == null ) {
			if( other.notes != null ) {
				return false;
			}
		}
		else if( !notes.equals( other.notes ) ) {
			return false;
		}
		return true;
	}