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Really thank you for your help, i am new to Guvnor and the syntax is
not so obvious when we do something less usual.<br>
<br>
I will try that tomorrow<br>
<br>
Le 1/03/2011 23:28, Esteban [via Drools - Java Rules Engine] a
écrit :
<blockquote
cite="mid:AANLkTi=xh2Tp=UcZc1mU4J9yzVhfAoBmnOvA6QkjTk=z@mail.gmail.com"
type="cite"> You need to create the DSL first.<br>
Follow these steps:<br>
1.- Add java.util.Map to package imports (I think you already did
this)<br>
2.- Create a new Enumeration with the following content:<br>
<b>'Map.properties': ['prop1', 'prop2', 'prop3']</b><br>
3.- Create a new DSL with this content:<br>
<b>[when]The property {key:ENUM:Map.properties} of the map is
{value}=Map((this["{key}"] == "{value}"))</b><br>
4.- Create a new Rule and add the DSL sentence to the WHEN part.
You should see the drop down.<br>
<br>
Note the name of the enumeration and how the variable {key} is
defined in the DSL. I think you can also read the enumerations
from a Java Enum present on your model, but I'm not sure about it.
Does anyone know about this?<br>
<br>
Best Regards,<br clear="all">
<br>
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX<br>
<br>
Esteban Aliverti<br>
- Developer @ <a moz-do-not-send="true"
href="http://www.plugtree.com" target="_blank" rel="nofollow" link="external">http://www.plugtree.com </a><br>
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<br>
<br>
<div class="gmail_quote">2011/3/1 ioda100 <span dir="ltr"><<a
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<blockquote class="gmail_quote" style="border-left: 2px solid
rgb(204, 204, 204); padding: 0pt 1em;"> Yes but for this i
will be obliged to create a POJO of an object. And for
attributes of that object in DSL i can define values that can
take this attribute?<br>
Maybe i don't understand but i don't see how to do with this.<br>
<br>
My case :<br>
I have Maps in the session. Each Map has for example 5
properties ("prop1", "prop2", "prop3", "prop4", "prop51") and
the value is a string. The Map is Map<String, Object>
but generally Object is a String.<br>
So in the When clause i have something like that :<br>
<font color="#000099">$m : Map((this["prop1"] ==
"test1"))</font><br>
I have included java.utils.Map in Guvnor. So when i add a when
clause i can choose Map in the list but impossible to have
"prop1" to "prop5" in a drop down list for attributes of the
Map.<br>
Would it be possible to create a Pojo for Map or would it be
in conflict with the Map of Java?<br>
<br>
Thank you for your time<br>
<br>
<br>
Le 1/03/2011 17:55, Vincent Legendre [via Drools - Java Rules
Engine] a écrit :
<blockquote style="border-left: 2px solid rgb(204, 204, 204);
padding: 0pt 1em;" type="cite">
<div>
<div class="h5"> Le 01/03/2011 15:39, ioda100 a écrit :
<blockquote style="border-left: 2px solid rgb(204, 204,
204); padding: 0pt 1em;" type="cite"> Thanks for your
quick answer Esteban.<br>
<br>
1) Ok i will have a look at DSL. In fact in my map i
know all the properties (about 200). It would be cool
to be able to have a drop down list with all these
attributes as when we do it with objects for which we
gave Pojo to Guvnor. <br>
</blockquote>
You can define enumerations for a particular attribute.
<br>
Inside a DSL you can constrain a placeholder with that
enumeration. <br>
And finally, enums can be static, or dynamic (a
interface to implement that returns a list of values).<br>
<br>
search the Guvnor's doc in these chapters<br>
<h5><a moz-do-not-send="true" rel="nofollow" link="external" target="_top">1.4.2.4.8. Data
enumerations (drop down list configurations)</a></h5>
<br>
<br>
</div>
</div>
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