/* (non-Javadoc) * @see java.lang.Object#hashCode() */ @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + (accept ? 1231 : 1237); result = prime * result + ((colour == null) ? 0 : colour.hashCode()); result = prime * result + ((kind == null) ? 0 : kind.hashCode()); result = prime * result + ((sequence == null) ? 0 : sequence.hashCode()); return result; }