hi Thomas,<div><br></div><div>Yes, there are probably many workarounds, including your proposal, also moving the for loop inside the doSomethingElse() function, but what I'm wondering is what's wrong with this syntax :))</div>
<div><br></div><div>Thank you<br><br><div class="gmail_quote">2012/1/11 Swindells, Thomas <span dir="ltr"><<a href="mailto:TSwindells@nds.com">TSwindells@nds.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">You could try assigning $item to a local variable and then using that within the for loop?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Thomas<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a> [mailto:<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>]
<b>On Behalf Of </b>Martin A<br>
<b>Sent:</b> 11 January 2012 10:02<br>
<b>To:</b> Rules Users List<br>
<b>Subject:</b> Re: [rules-users] For loop inside a modify block problem<u></u><u></u></span></p>
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</div><div><div class="h5">
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">hi Michael,<u></u><u></u></p>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">All of the fields are public, however they are properties of a super class of Item. I tried with getters, doesn't work either way. <u></u><u></u></p>
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<div>
<p class="MsoNormal">Still getting: 'no such identifier : $item'. When I remove the for loop, it goes ok, so I think it messes up things.<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Best regards,<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt">Martin<u></u><u></u></p>
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<p class="MsoNormal">2012/1/11 Michael Anstis <<a href="mailto:michael.anstis@gmail.com" target="_blank">michael.anstis@gmail.com</a>><u></u><u></u></p>
<p class="MsoNormal">RHS is not DRL syntax but Java or MVEL depending on your dialect.<br>
<br>
If "id" is not public you should use it's getter. The same goes for "quantity".<u></u><u></u></p>
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<p class="MsoNormal"><br>
<br>
<span style="font-family:"Courier New"">when<br>
$item : Item(param1 != 0, param2 == 0, !(this instanceof SpecialItem))<br>
$gsc : SomeBusinessLogic<br>
then </span><u></u><u></u></p>
</div>
<p class="MsoNormal"><span style="font-family:"Courier New""> $gsc.doSomething($item.getId() );<br>
for (int i = 0; i < $item.getQuantity(); i++) {<br>
$gsc.doSomethingElse($item.getId() );<br>
}<br>
update($gsc);<br>
end</span><u></u><u></u></p>
<div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Courier New""><br>
<br>
</span><u></u><u></u></p>
<div>
<p class="MsoNormal">2012/1/11 Martin A <<a href="mailto:wmlsub@gmail.com" target="_blank">wmlsub@gmail.com</a>><u></u><u></u></p>
<p class="MsoNormal">Hi, Davide,<u></u><u></u></p>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Here is how my rule looks like :<u></u><u></u></p>
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<div>
<p class="MsoNormal"><u></u> <u></u></p>
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<div>
<p class="MsoNormal">when<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> $item : Item(param1 != 0, param2 == 0, !(this instanceof SpecialItem))<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> $gsc : SomeBusinessLogic<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">then <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"> $gsc.doSomething($<a href="http://item.id/" target="_blank">item.id</a>);<u></u><u></u></p>
<div>
<div>
<p class="MsoNormal"> for (int i = 0; i < $item.quantity; i++) {<u></u><u></u></p>
</div>
<p class="MsoNormal"> $gsc.doSomethingElse($<a href="http://item.id/" target="_blank"><span style="color:#1155cc">item.id</span></a>);<br>
}<br>
update($gsc);<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">end<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">The above snippet throws an error @ i < $item.quantity, and says 'no such identifier $item'...<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">I can't figure out what might be causing this.<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Thanks<u></u><u></u></p>
</div>
<div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<p class="MsoNormal">On Tue, Jan 10, 2012 at 10:08 PM, Davide Sottara <<a href="mailto:dsotty@gmail.com" target="_blank">dsotty@gmail.com</a>> wrote:<u></u><u></u></p>
<p class="MsoNormal">Did you remember to bind $item to some expression in the LHS ? Maybe you just<br>
called that "item" without the $ :)<br>
Davide<br>
<br>
(the original "modify" syntax is still wrong anyway)<br>
<span style="color:#888888"><br>
--<br>
View this message in context: <a href="http://drools.46999.n3.nabble.com/rules-users-For-loop-inside-a-modify-block-problem-tp3648460p3648718.html" target="_blank">
http://drools.46999.n3.nabble.com/rules-users-For-loop-inside-a-modify-block-problem-tp3648460p3648718.html</a><br>
Sent from the Drools: User forum mailing list archive at Nabble.com.</span><u></u><u></u></p>
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