Hi,<div><br></div><div>#1  I&#39;m not sure if I&#39;ve understood it correct. Is the message displayed every time a resource containing declares is modified or does is it displayed if the declare statements are changed?</div>

<div><font class="Apple-style-span" color="#009900">The message will appear every time a resource containing a type definition is modified.</font></div><div><font class="Apple-style-span" color="#009900"><br></font></div>

<div><font class="Apple-style-span" color="#009900"><span class="Apple-style-span" style="color: rgb(0, 0, 0); ">#2 The following extract of my original log extract says that the LHS of two rules has been changed. But I haven&#39;t modified anything on them. I&#39;ve just deleted a rule. So what does it mean? Or am I missunderstanding the messages? Because for the the first rule no changes have been detected (and that is what I would expect for all rules except the deleted on.)</span></font></div>

<div><font class="Apple-style-span" color="#009900">This is strange. This message should only appear if the LHS of a rule has changed. I will take a look to see if this is a bug.</font></div><div><font class="Apple-style-span" color="#009900"><span class="Apple-style-span" style="color: rgb(0, 0, 0); "><br>

</span></font></div><div><font class="Apple-style-span" color="#009900"><span class="Apple-style-span" style="color: rgb(0, 0, 0); "><br></span></font></div><div>Best,<br clear="all"><br>XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX<br>

<br>Esteban Aliverti<br>- Developer @ <a href="http://www.plugtree.com" target="_blank">http://www.plugtree.com </a><br>- Blog @ <a href="http://ilesteban.wordpress.com" target="_blank">http://ilesteban.wordpress.com</a><br>


<br><br><div class="gmail_quote">2010/8/24 Tina Vießmann <span dir="ltr">&lt;<a href="mailto:tviessmann@stud.hs-bremen.de">tviessmann@stud.hs-bremen.de</a>&gt;</span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">



  
    
  
  <div bgcolor="#ffffff" text="#000000">
    Thank you for the explanation, Esteban. :)<br>
    I&#39;m sorry, but I have still some uncertainties about it.<br>
    <br>
    #1  I&#39;m not sure if I&#39;ve understood it correct. Is the message
    displayed every time a resource containing declares is modified or
    does is it displayed if the declare statements are changed?<br>
    <br>
    #2 The following extract of my original log extract says that the
    LHS of two rules has been changed. But I haven&#39;t modified anything
    on them. I&#39;ve just deleted a rule. So what does it mean? Or am I
    missunderstanding the messages? Because for the the first rule no
    changes have been detected (and that is what I would expect for all
    rules except the deleted on.)<div class="im"><br>
    <blockquote>[2010:08:235 21:08:546:debug]
      BinaryResourceDiffProducerImpl: [Rule name=<i>Warning threshold
        exceeded to many times</i>, agendaGroup=MAIN, salience=0,
      no-loop=false] didn&#39;t change. Removing from diff package and
      adding it to unmodified list.<br>
      [2010:08:235 21:08:546:debug] BinaryResourceDiffProducerImpl:
      Comparing [Rule name=<i><u>I</u>nsert Watcher Into Knowledge Base</i>,
      agendaGroup=MAIN, salience=0, no-loop=false] against [Rule
      name=Insert Watcher Into Knowledge Base, agendaGroup=MAIN,
      salience=0, no-loop=false]<br>
      [2010:08:235 21:08:546:debug] BinaryResourceDiffProducerImpl: <b>The

        rules have different LHS</b><br>
      [2010:08:235 21:08:546:debug] BinaryResourceDiffProducerImpl:
      Comparing [Rule name=<i>Add Event to Watcher Set</i>,
      agendaGroup=MAIN, salience=0, no-loop=false] against [Rule
      name=Add Event to Watcher Set, agendaGroup=MAIN, salience=0,
      no-loop=false]<br>
      [2010:08:235 21:08:546:debug] BinaryResourceDiffProducerImpl: <b>The

        rules have different LHS</b><br>
    </blockquote></div>
    Thanks :)<br>
    Tina<br>
    <br>
    <br>
    <br>
    Am 23.08.2010 23:33, schrieb Esteban Aliverti:
    <div><div></div><div class="h5"><blockquote type="cite">When working on incremental change-set processing
      mode, Knowledge Agent performs a diff between the original and the
      modified 
      
      resources. Modified resources are compiled, and a visitor pattern
      is used to loop over knowledge definitions (such as rules,
      functions, queries, etc.).
      <div>
        So if rule1 was modified in the new resource, it is removed from
        the original kbase and replaced with the new implementation. The
        thing is that kagent doesn&#39;t implement a visitor for
        TypeDeclaration (when you use <b>declare</b> in your DRL to
        define your model) so it doesn&#39;t know how to handle them. </div>
      <div>I have recently fix a typo in the visitor implementation that
        prevented you to receive a better message:</div>
      <div><br>
      </div>
      <div>&quot;BinaryResourceDiffProducerImpl: Couldn&#39;t handle
        &quot;+yourDefinitionName+&quot;. We must leave it in the new Package.&quot;</div>
      <div><br>
      </div>
      <div>This means that kagent doesn&#39;t support modifications on
        declared types yet.</div>
      <div><br>
      </div>
      <div>Best,</div>
      <div><br clear="all">
        <br>
        XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX<br>
        <br>
        Esteban Aliverti<br>
        - Developer @ <a href="http://www.plugtree.com" target="_blank">http://www.plugtree.com
        </a><br>
        - Blog @ <a href="http://ilesteban.wordpress.com" target="_blank">http://ilesteban.wordpress.com</a><br>
        <br>
        <br>
        <div class="gmail_quote">2010/8/23 Tina Vießmann <span dir="ltr">&lt;<a href="mailto:tviessmann@stud.hs-bremen.de" target="_blank">tviessmann@stud.hs-bremen.de</a>&gt;</span><br>
          <blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204, 204, 204);padding-left:1ex">
            <div bgcolor="#ffffff" text="#000000"> Hi,<br>
              <br>
              I&#39;m getting a two red highlighted outputs in eclipse if I
              modify my rules file during run time. Besides that the
              modifications seem to work.<br>
              What does it mean?<br>
              <br>
              The full output I get when the resource change is detected
              is listed below. The bold lines are the concerned ones.<br>
              <br>
              Thanks for any help! :)<br>
              Tina<br>
              <br>
              <br>
              [2010:08:235 21:08:296:debug] ResourceChangeScanner
              attempt to scan 1 resources<br>
              [2010:08:235 21:08:296:debug] ResourceChangeScanner
              modified resource=[ClassPathResource path=&#39;testRule.drl&#39;]
              : 1282559206875 : 1282591705000<br>
              [2010:08:235 21:08:296:debug] ResourceChangeNotification
              received ChangeSet notification<br>
              [2010:08:235 21:08:296:debug] ResourceChangeScanner thread
              is waiting for 10 seconds.<br>
              [2010:08:235 21:08:296:debug] ResourceChangeNotification
              processing ChangeSet<br>
              [2010:08:235 21:08:296:debug] ResourceChangeNotification
              ChangeSet modified resource=[ClassPathResource
              path=&#39;testRule.drl&#39;] for
              listener=org.drools.agent.impl.KnowledgeAgentImpl@b40ec4<br>
              [2010:08:235 21:08:296:debug] KnowledgeAgent received
              ChangeSet changed notification<br>
              [2010:08:235 21:08:296:info] KnowledgeAgent applying
              ChangeSet<br>
              [2010:08:235 21:08:296:debug] KnowledgeAgent removing
              mappings for resource=[ClassPathResource
              path=&#39;testRule.drl&#39;] with unsubscribe=true<br>
              [2010:08:235 21:08:296:debug] KnowledgeAgent notifier
              unsubscribing to resource=[ClassPathResource
              path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:296:debug] ResourceChangeNotification
              unsubscribing
              listener=org.drools.agent.impl.KnowledgeAgentImpl@b40ec4
              to resource=[ClassPathResource path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:296:debug] ResourceChangeScanner
              unsubcribing
              notifier=org.drools.io.impl.ResourceChangeNotifierImpl@13576a2
              to resource=[ClassPathResource path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:296:debug] ResourceChangeScanner
              resource=[ClassPathResource path=&#39;testRule.drl&#39;] now has
              no subscribers<br>
              [2010:08:235 21:08:296:debug] KnowledgeAgent rebuilding
              KnowledgeBase using ChangeSet<br>
              [2010:08:235 21:08:296:info] KnowledgeAgent performing an
              incremental build of the ChangeSet<br>
              [2010:08:235 21:08:296:debug] ResourceChangeNotification
              thread is waiting for queue update<br>
              [INFO ] 21:30:10,375 [main] &quot;Event retracted.&quot;  (DRL
              Logger)<br>
              [2010:08:235 21:08:453:debug] KnowledgeAgent: Diffing:
              [ClassPathResource path=&#39;testRule.drl&#39;]<br>
              [INFO ] 21:30:10,453 [main] &quot;Event retracted.&quot;  (DRL
              Logger)<br>
              [2010:08:235 21:08:500:debug]
              BinaryResourceDiffProducerImpl: [Rule name=delete
              parameter values, agendaGroup=MAIN, salience=0,
              no-loop=false] is not present anymore. Adding to removed
              list.<br>
              [2010:08:235 21:08:500:debug]
              BinaryResourceDiffProducerImpl:
              org.drools.rule.Function@67fe80 did change. Marking as
              removed so it new version could be added later.<br>
              [2010:08:235 21:08:500:debug]
              BinaryResourceDiffProducerImpl: Comparing [Rule
              name=Warning threshold exceeded to many times,
              agendaGroup=MAIN, salience=0, no-loop=false] against [Rule
              name=Warning threshold exceeded to many times,
              agendaGroup=MAIN, salience=0, no-loop=false]<br>
              <b>no visitor implementation for : class
                org.drools.rule.TypeDeclaration :
                org.drools.rule.TypeDeclaration@95f290<br>
                no visitor implementation for : class
                org.drools.rule.TypeDeclaration :
                org.drools.rule.TypeDeclaration@bfd66a</b><br>
              [2010:08:235 21:08:546:debug]
              BinaryResourceDiffProducerImpl: [Rule name=Warning
              threshold exceeded to many times, agendaGroup=MAIN,
              salience=0, no-loop=false] didn&#39;t change. Removing from
              diff package and adding it to unmodified list.<br>
              [2010:08:235 21:08:546:debug]
              BinaryResourceDiffProducerImpl: Comparing [Rule
              name=Insert Watcher Into Knowledge Base, agendaGroup=MAIN,
              salience=0, no-loop=false] against [Rule name=Insert
              Watcher Into Knowledge Base, agendaGroup=MAIN, salience=0,
              no-loop=false]<br>
              [2010:08:235 21:08:546:debug]
              BinaryResourceDiffProducerImpl: The rules have different
              LHS<br>
              [2010:08:235 21:08:546:debug]
              BinaryResourceDiffProducerImpl: Comparing [Rule name=Add
              Event to Watcher Set, agendaGroup=MAIN, salience=0,
              no-loop=false] against [Rule name=Add Event to Watcher
              Set, agendaGroup=MAIN, salience=0, no-loop=false]<br>
              [2010:08:235 21:08:546:debug]
              BinaryResourceDiffProducerImpl: The rules have different
              LHS<br>
              [2010:08:235 21:08:546:debug] KnowledgeAgent: Removing:
              [Rule name=delete parameter values, agendaGroup=MAIN,
              salience=0, no-loop=false]<br>
              [2010:08:235 21:08:546:debug] KnowledgeAgent removing
              Rule=[Rule name=delete parameter values, agendaGroup=MAIN,
              salience=0, no-loop=false] from
              package=net.eads.astrium.aits.cep.rules<br>
              [2010:08:235 21:08:546:debug] KnowledgeAgent: Removing:
              org.drools.rule.Function@67fe80<br>
              [2010:08:235 21:08:562:debug] KnowledgeAgent mapping
              resource=[ClassPathResource path=&#39;testRule.drl&#39;] to
              KnowledgeDefinition=[Rule name=Warning threshold exceeded
              to many times, agendaGroup=MAIN, salience=0,
              no-loop=false]<br>
              [2010:08:235 21:08:562:debug] KnowledgeAgent obtaining pkg
              resource=[ClassPathResource path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:562:debug] KnowledgeAgent mapping
              resource=[ClassPathResource path=&#39;testRule.drl&#39;] to
              KnowledgeDefinition=[Rule name=Insert Watcher Into
              Knowledge Base, agendaGroup=MAIN, salience=0,
              no-loop=false]<br>
              [2010:08:235 21:08:562:debug] KnowledgeAgent notifier
              subscribing to resource=[ClassPathResource
              path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:562:debug] ResourceChangeNotification
              subscribing
              listener=org.drools.agent.impl.KnowledgeAgentImpl@b40ec4
              to resource=[ClassPathResource path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:562:debug] ResourceChangeScanner
              subcribing
              notifier=org.drools.io.impl.ResourceChangeNotifierImpl@13576a2
              to resource=[ClassPathResource path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:562:debug] KnowledgeAgent mapping
              resource=[ClassPathResource path=&#39;testRule.drl&#39;] to
              KnowledgeDefinition=[Rule name=Add Event to Watcher Set,
              agendaGroup=MAIN, salience=0, no-loop=false]<br>
              [2010:08:235 21:08:562:debug] KnowledgeAgent notifier
              subscribing to resource=[ClassPathResource
              path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:562:debug] ResourceChangeNotification
              subscribing
              listener=org.drools.agent.impl.KnowledgeAgentImpl@b40ec4
              to resource=[ClassPathResource path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:562:debug] KnowledgeAgent mapping
              resource=[ClassPathResource path=&#39;testRule.drl&#39;] to
              KnowledgeDefinition=org.drools.rule.TypeDeclaration@17dff15<br>
              [2010:08:235 21:08:562:debug] KnowledgeAgent notifier
              subscribing to resource=[ClassPathResource
              path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:562:debug] ResourceChangeNotification
              subscribing
              listener=org.drools.agent.impl.KnowledgeAgentImpl@b40ec4
              to resource=[ClassPathResource path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:562:debug] KnowledgeAgent mapping
              resource=[ClassPathResource path=&#39;testRule.drl&#39;] to
              KnowledgeDefinition=org.drools.rule.TypeDeclaration@f5cbda<br>
              [2010:08:235 21:08:562:debug] KnowledgeAgent notifier
              subscribing to resource=[ClassPathResource
              path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:562:debug] ResourceChangeNotification
              subscribing
              listener=org.drools.agent.impl.KnowledgeAgentImpl@b40ec4
              to resource=[ClassPathResource path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:562:debug] KnowledgeAgent mapping
              resource=[ClassPathResource path=&#39;testRule.drl&#39;] to
              KnowledgeDefinition=org.drools.rule.Function@11a59ce<br>
              [2010:08:235 21:08:562:debug] KnowledgeAgent notifier
              subscribing to resource=[ClassPathResource
              path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:562:debug] ResourceChangeNotification
              subscribing
              listener=org.drools.agent.impl.KnowledgeAgentImpl@b40ec4
              to resource=[ClassPathResource path=&#39;testRule.drl&#39;]<br>
              [2010:08:235 21:08:562:debug] KnowledgeAgent adding
              KnowledgeDefinitionsPackage
              net.eads.astrium.aits.cep.rules<br>
              [2010:08:235 21:08:578:info] KnowledgeAgent incremental
              build of KnowledgeBase finished and in use<br>
              [2010:08:235 21:08:578:debug] KnowledgeAgent finished
              rebuilding KnowledgeBase using ChangeSet </div>
            <br>
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      <pre><fieldset></fieldset>
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