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Questions on DCD

• From: "Arnold, Curt" <Curt.Arnold@h...>
• To: "'xml-dev@i...'" <xml-dev@i...>
• Date: Fri, 2 Oct 1998 14:41:22 -0600

Dean Roddey [mailto:roddey@u...] wrote:
>I made a proposal related to the whole type validation mechanism, which
really
>extends beyond DCD but would address a lot of its issues as well as
allow for
>much more extensibility. I'd like to post it here for comment (with
some
>internal information removed) in order to perhaps bash it out as a
general type
>validation mechanism. However, right not its in a Notes database and if
I post
>it here its going to look so horrible that it will probably be
unreadable.



Instead of adding another parser, why wasn't the constraint specified as
XML.  i.e.

<AttributeDef Name="Temperature">
	<Description>Temperature in K</Description>
	<Constraint>
		<IsBetween Min="0" Max="1e30"/>
	</Constraint>
</AttributeDef>



<AttributeDef Name="Temperature">
	<Description>Temperature in K</Description>
	<Constraint class="com.hyprotech.xml.mycustomconstraint.class">
		<param name="A" value="75"/>
	</Constraint>
</AttributeDef>



<AttributeDef Name="Temperature">
	<Description>Temperature in K</Description>
	<Constraint>
		<And>
			<Constraint
class="com.hyprotech.xml.mycustomconstraint">
				<param name="A" value="75"/>
			</Constraint>
			<IsBetween Min="0" Max="1e30"/>
		</And>
	</Constraint>
</AttributeDef>



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