@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((this.attachment == null) ? 0 : this.attachment.hashCode());
		result = prime * result + ((this.name == null) ? 0 : this.name.hashCode());
		result = prime * result + ((this.term == null) ? 0 : this.term.hashCode());
		return result;
	}