@Override
	public boolean equals(Object obj) {
		if (this == obj) {
			return true;
		}
		if (obj == null) {
			return false;
		}
		if (!(obj instanceof Certificate)) {
			return false;
		}
		Certificate other = (Certificate) obj;
		if (certiName == null) {
			if (other.certiName != null) {
				return false;
			}
		} else if (!certiName.equals(other.certiName)) {
			return false;
		}
		if (id != other.id) {
			return false;
		}
		return true;
	}