<div dir="ltr"><div>Hi, </div><div>Drools supports 'contains' and 'member of' operators. You can find more information about them in the documentation.</div><div><br></div><div>Regards,</div><div> </div></div>
<div class="gmail_extra"><br clear="all"><div><br>XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX<br><br>Esteban Aliverti<br>- Blog @ <a href="http://ilesteban.wordpress.com" target="_blank">http://ilesteban.wordpress.com</a></div>
<br><br><div class="gmail_quote">On Wed, Jul 17, 2013 at 7:49 AM, Ganesh R. <span dir="ltr"><<a href="mailto:Ganesh_R04@infosys.com" target="_blank">Ganesh_R04@infosys.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-US" link="blue" vlink="purple">
<div>
<p class="MsoNormal">I am a novice in Drools, sorry if this question is trivial and has already been discussed. I couldn’t find the direct method for implementing the below behavior.
<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I have a class like this. <u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">public class Account { <u></u><u></u></p>
<p class="MsoNormal"> public int balance; <u></u><u></u></p>
<p class="MsoNormal"> public String id; <u></u><u></u></p>
<p class="MsoNormal"> public List<String> types; <u></u><u></u></p>
<p class="MsoNormal">// getter setters <u></u><u></u></p>
<p class="MsoNormal">} <u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I am trying to check the following: <u></u><u></u></p>
<p class="MsoNormal">Accounts having balance greater than $100 and types containing both Savings and Checking.
<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">// Creating sample Facts in Java main <u></u><u></u></p>
<p class="MsoNormal"> Account account = new Account(); <u></u><u></u></p>
<p class="MsoNormal"> account.setBalance(100); <u></u><u></u></p>
<p class="MsoNormal"> account.setId("A1"); <u></u><u></u></p>
<p class="MsoNormal"> List<String> temp = new ArrayList<String>(); <u></u><u></u></p>
<p class="MsoNormal"> temp.add("Savings"); <u></u><u></u></p>
<p class="MsoNormal"> temp.add("Checking"); <u></u><u></u></p>
<p class="MsoNormal"> account.setTypes(temp); <u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">// Creating rules <u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">rule "Sample" <u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"> when <u></u><u></u></p>
<p class="MsoNormal"> bat : Account(balance == 100) <u></u><u></u></p>
<p class="MsoNormal"> then <u></u><u></u></p>
<p class="MsoNormal"> if (bat.getTypes().contains("Savings") && bat.getTypes().contains("Checking")){
<u></u><u></u></p>
<p class="MsoNormal"> System.out.println("I got this"); <u></u><u></u></p>
<p class="MsoNormal"> } <u></u><u></u></p>
<p class="MsoNormal">end <u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Is there more proficient ways to do this?? like checking the contents of the arraylist (types as per the above example) in rule i.e. in "when" instead of doing it in "then" ??
<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Much appreciate your answers. <u></u><u></u></p>
<p class="MsoNormal">Thank you! <u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
</div>
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