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On 08/11/2010 10:59, Wolfgang Laun wrote:
<blockquote
cite="mid:AANLkTinFrG67Y1YRvEjVDnksZWkGqrcAonZ=ymtdZAsx@mail.gmail.com"
type="cite">What precisely do you mean by "Rete DSL"?<br>
-W<br>
</blockquote>
I wrote a low level testing DSL for rete networks a while back:<br>
<a class="moz-txt-link-freetext" href="http://blog.athico.com/2009/11/rete-dsl-testing-harness.html">http://blog.athico.com/2009/11/rete-dsl-testing-harness.html</a><br>
<br>
Hmm the new blog template needs some work....<br>
<br>
You can see the tests here:<br>
<a class="moz-txt-link-freetext" href="http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-core/src/test/resources/org/drools/reteoo/test/">http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-core/src/test/resources/org/drools/reteoo/test/</a><br>
<br>
The tests look a little like:<br>
<pre>TestCase "Join Node assert/retract test case"
Setup
ObjectTypeNode:
otnLeft1, org.drools.Person;
LeftInputAdapterNode:
lian0, otnLeft1;
ObjectTypeNode:
otnRight1, org.drools.Person;
ObjectTypeNode:
otnRight2, org.drools.Person;
Binding:
p1, 0, org.drools.Person, age;
JoinNode:
join1, lian0, otnRight1;
age, !=, p1;
JoinNode:
join2, join1, otnRight2;
age, !=, p1;
Facts:
new org.drools.Person('darth', 35), new org.drools.Person('bobba', 36),
new org.drools.Person('yoda', 37), new org.drools.Person('luke', 38),
new org.drools.Person('dave', 33), new org.drools.Person('bob', 32);
Test "Assert/retract test"
/**
* check single left assertion and retraction
*/
assert:
otnLeft1, [h0];
join1:
leftMemory, [[h0]];
join2:
leftMemory, [];
retract:
otnLeft1, [h0];
/**
* check single right assertion and retraction
*/
assert:
otnRight1, [h1];
join1:
rightMemory, [h1];
join2:
leftMemory, [];
retract:
otnRight1, [h1];
/**
* check single left then right assertion
*/
assert:
otnLeft1, [h0];
otnRight1, [h1];
join1:
leftMemory, [[h0]];
rightMemory, [h1];
join2:
leftMemory, [[h0, h1]];
retract:
otnLeft1, [h0];
otnRight1, [h1];
/**
* check single right then left assertion
*/
assert:
otnRight1, [h1];
otnLeft1, [h0];
join1:
leftMemory, [[h0]];
rightMemory, [h1] ;
join2:
leftMemory, [[h0, h1]];
retract:
otnLeft1, [h0];
otnRight1, [h1];
</pre>
<br>
<blockquote
cite="mid:AANLkTinFrG67Y1YRvEjVDnksZWkGqrcAonZ=ymtdZAsx@mail.gmail.com"
type="cite"><br>
<div class="gmail_quote">On 8 November 2010 11:33, Leonardo Gomes
<span dir="ltr"><<a moz-do-not-send="true"
href="mailto:leonardo.f.gomes@gmail.com">leonardo.f.gomes@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid
rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left:
1ex;">I've been using the Rete DSL a lot these days and was
thinking that it could be a good idea to provide some Eclipse
infra-structure (syntax highlighting, code completion,
validation) to it using Xtext (<span><a moz-do-not-send="true"
href="http://www.eclipse.org/Xtext/" target="_blank">http://www.eclipse.org/Xtext/</a>).
It's built on top of antlr, so maybe we could even reuse the
grammar that we already have. I know that, by default, you
should right you grammar using their simplified version.<br>
<br>
Maybe the guys there would also be interested in providing
something to Drools. It could be a showcase for them.<br>
<br>
Not sure if this also applies to the Eclipse DRL things that
we have.<br>
<br>
Cheers,<br>
Leonardo.<br>
</span>
<br>
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</blockquote>
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