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