Yes thanks it's working with enum like explained previously by Esteban. I won't do it dynamic for now i think.<br>
<br>
It's not always of the form <string>.<string>, i have some
in <string>.<int> or <string>.<long> but for
these i can make a separate DSL that will cast the string to int or
long. Except if there is a better solution.<br>
<br>
Another thing is that i will have for this DSL :<br>
<b>[when]The property {key:ENUM:Map.properties} of the map
is {value}=Map((this["{key}"] == "{value}"))<br>
<br>
The property 'prop1' of the map is 'val1'<br>
<br>
But if i want to have a second rule : </b><b>"The property 'prop1' of
the map is 'val1'" and the map is different of the first map found
above. Let's say i have an attribute ID in the Maps, i could check that
(ID1 != ID2)</b>. But with DSL i am a little lost of how to do that. With DRL i did like this :<br>
$m1 : Map(this["prop1"] == "val1")<br>
$m2 : Map((this["prop1"] == "val1") && (this["id"] != $m1["id"]))<br>
<b><br>
i could do <br>
</b><b>[when]The property {key:ENUM:Map.properties} of the map
is {value} = $m1 : Map((this["{key}"] == "{value}"))<br>
but it will always be stored in $m1 so if i do : </b><b>"The property 'prop1' of the map is 'val1'</b>" twice, the second will override the value of $m1.<br>
<br>
<br>
I have to put my rules in 4 drl files separate (i know which rules go in
which drl file), is the only way to create a different package for each
drl file i want? And to put the Enum and DSL part in Global if i have
to use it for the 4 files? If i want a precise name for my drl file, i
have to give this exact name to the package?<br>
<br>
<br>
I tried to use the test scenario to test all that so i have created a simple Test Scenario.<br>
In the Given part, i have selected Map. Then keySet, i put prop1,
prop2... and for entrySet, i put test1, test2... and i have made a
simple rules that check that prop1 is equal to "test1" but when i run
the scenario, i got :<br>
[Error: unable to find constructor for: java.util.Map]
[Near : {... new java.util.Map( ....}]
^
[Line: 1, Column: 0] . Is there something special to do to test with Map?<br>
<br>
<br>
I tried to put some drools code in a function but it seems to not work. For example : <br>
WorkingMemory wm = drools.getWorkingMemory();<br>
wm.setGlobal("resultValue", "OK"); <br>
It's not a problem since i use DSL for this but i suppose it's normal.<br>
<br>
<br>
Sorry for all these problems, a little lost with all functionnality of this tool and manual doesn't talk a lot about this.<br>
<br>
thanks<br><br><div class="gmail_quote">On Thu, Mar 3, 2011 at 2:22 PM, Esteban [via Drools - Java Rules Engine] <span dir="ltr"><<a href="/user/SendEmail.jtp?type=node&node=2626460&i=0&by-user=t" target="_top" rel="nofollow" link="external">[hidden email]</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div>
"Maps.properties" is just a name I choose for the enumeration. You can use whatever identifier you want, but..... The identifier has to be of the form <string>.<string>. It has to have a dot (.). I think this is because enumeration were created for bind a fact type attribute to a list of values.<div>
<br></div></div><div><div>Best Regards,<br clear="all"><br>XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX<br><br>Esteban Aliverti<br>- Developer @ <a href="http://www.plugtree.com" rel="nofollow" link="external" target="_blank">http://www.plugtree.com </a><br>
- Blog @ <a href="http://ilesteban.wordpress.com" rel="nofollow" link="external" target="_blank">http://ilesteban.wordpress.com</a><br>
<br><br></div><div class="gmail_quote">2011/3/3 Vincent Legendre <span dir="ltr"><<a href="http://user/SendEmail.jtp?type=node&node=2625046&i=0&by-user=t" rel="nofollow" link="external" target="_blank">[hidden email]</a>></span><br>
<blockquote class="gmail_quote" style="border-left: 2px solid rgb(204, 204, 204); padding: 0pt 1em;">
<div bgcolor="#ffffff" text="#000000"><div><div></div><div>
I don't think that enums needs to be linked to a Pojo attribute. To
me it is just an identifier used in ENUM DSL constraints. The
'properties' is not an attribute of a Map. I think you could set it
to whatever you like (something more linked to your problem).<br>
<br>
For making that dynamic, it is explained in the <a href="http://drools.herod.net/drools-guvnor/html_single/index.html" rel="nofollow" link="external" target="_blank">guvnor
doc</a> (<a rel="nofollow" link="external" target="_top">
chapter "1.4.2.4.8. Data enumerations (drop down list
configurations)" )</a><br>
<pre><a rel="nofollow" link="external" target="_top">'Person.age' : (new com.yourco.DataHelper()).getListOfAges()</a></pre>
<br>
But I never tried that.<br>
<br>
<br>
Le 02/03/2011 14:06, ioda100 a écrit :
<blockquote style="border-left: 2px solid rgb(204, 204, 204); padding: 0pt 1em;" type="cite"><div><div></div><div>Really thank you, it's working fine. I will see if
it's working for my more difficult case.<br>
<br>
<br>
<div class="gmail_quote">On Tue, Mar 1, 2011 at 11:28 PM, Esteban
[via Drools - Java Rules Engine] <span dir="ltr"><<a href="http://user/SendEmail.jtp?type=node&node=2613230&i=0&by-user=t" rel="nofollow" link="external" target="_blank">[hidden email]</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="border-left: 2px solid rgb(204, 204, 204); padding: 0pt 1em;">
<div> 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>
</div>
<div>Best Regards,<br clear="all">
<br>
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX<br>
<br>
Esteban Aliverti<br>
- Developer @ <a href="http://www.plugtree.com" rel="nofollow" link="external" target="_blank">http://www.plugtree.com </a><br>
- Blog @ <a href="http://ilesteban.wordpress.com" rel="nofollow" link="external" target="_blank">http://ilesteban.wordpress.com</a><br>
<br>
<br>
</div>
<div class="gmail_quote">
<div>2011/3/1 ioda100 <span dir="ltr"><<a href="http://user/SendEmail.jtp?type=node&node=2607065&i=0" rel="nofollow" link="external" target="_blank">[hidden
email]</a>></span><br>
</div>
<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?
<div>
<div><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> 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 rel="nofollow" link="external" target="_top">1.4.2.4.8. Data
enumerations (drop down list configurations)</a></h5>
<br>
<br>
</div>
</div>
<div>
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