@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result
				+ ((credential == null) ? 0 : credential.hashCode());
		result = prime * result
				+ ((expireDate == null) ? 0 : expireDate.hashCode());
		result = prime * result
				+ ((startDate == null) ? 0 : startDate.hashCode());
		result = prime * result + ((token == null) ? 0 : token.hashCode());
		result = prime * result
				+ ((userName == null) ? 0 : userName.hashCode());
		return result;
	}