<br> Gerald, <br><br> It is not clear if you want to calculate the sum of all integers in the original list or the sum of all integers greater than 0.<br> Assuming you want to sum all integers greater than 0, see example bellow. Adjust the example to your needs if you want something different. <br>
<br> You already know how to access the elements of a list:<br><br>Number( intValue > 0 ) from $mo.getNumbers()<br><br> You already know how to collect them:<br><br>$i : ArrayList ( ) from collect ( Number( intValue > 0 ) from $mo.getNumbers() )<br>
<br> If instead of collecting them, you want to "accumulate" them:<br><br>$total : Number() from accumulate( $n:Number( intValue > 0 ) from $mo.getNumbers(),<br> sum( $n ) )<br>
<br> Hope it helps,<br> Edson <br><br><br><br><br><br><br><div><span class="gmail_quote">2008/3/13, Gerald Cantor <<a href="mailto:geraldmcantor@yahoo.com">geraldmcantor@yahoo.com</a>>:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br> I have an Object in working memory. This object has an ArrayList of Integer<br> objects. I am trying to create a rule that will count all occurrences of<br> Integers in this ArrayList that are non-zero and then calculate the sum of<br>
all the Integers in the ArrayList and then check the total against a range.<br> <br> I understand how to count the non-zero occurrences but I am at a complete<br> loss as to how to calculate the sum of the Integer objects in the ArrayList.<br>
<br> Here is the rule I have thus far<br> rule "Rule 1"<br> dialect "java"<br> when<br> $mo : MyObject( )<br> $i : ArrayList ( ) from collect ( Number( intValue > 0 ) from<br>
$mo.getNumbers() )<br> $total : Number( ) from accumulate ???<br> then<br> System.out.println("Rule 1: i.size() = " + $i.size());<br> System.out.println("Rule 1: total = " + $total);<br>
end<br> <br> I have been unsuccessful in finding a post that deals with how to fill in<br> the ??? portion of my rule. My apologies in advance if I happen to miss such<br> a post.<br> <br> Any help is greatly appreciated.<br>
<br> Regards,<br> Gerald<br> <br>--<br> View this message in context: <a href="http://www.nabble.com/accumulate---sum-and-ArrayList-tp16033216p16033216.html">http://www.nabble.com/accumulate---sum-and-ArrayList-tp16033216p16033216.html</a><br>
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