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Working with KnowledgeAgent and ChangeSet.xml
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created by <a href="https://community.jboss.org/people/devilkazuya99">TC ONG</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/722692#722692">View the full discussion</a>
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<div class="jive-rendered-content"><p>Seeking for help. </p><p>I have a changeset.xml adding my <span style="color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #eef4f9;">JavaInteractiveFlow.rf</span>.</p><p>I have id="interactiveJava" in <span style="color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #eef4f9;">JavaInteractiveFlow.rf</span>.</p><p>But when I run the code below, it gives me </p><p class="p1">     Unknown process ID: interactiveJava</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Can anyone show me how to get this works?</p><p>Here is my code.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>package com.geneoz.procedureengine;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>import java.io.BufferedReader;</p><p>import java.io.IOException;</p><p>import java.io.InputStreamReader;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>import org.apache.log4j.Logger;</p><p>import org.drools.KnowledgeBase;</p><p>import org.drools.agent.KnowledgeAgent;</p><p>import org.drools.agent.KnowledgeAgentConfiguration;</p><p>import org.drools.agent.KnowledgeAgentFactory;</p><p>import org.drools.event.knowledgeagent.AfterChangeSetAppliedEvent;</p><p>import org.drools.event.knowledgeagent.AfterChangeSetProcessedEvent;</p><p>import org.drools.event.knowledgeagent.AfterResourceProcessedEvent;</p><p>import org.drools.event.knowledgeagent.BeforeChangeSetAppliedEvent;</p><p>import org.drools.event.knowledgeagent.BeforeChangeSetProcessedEvent;</p><p>import org.drools.event.knowledgeagent.BeforeResourceProcessedEvent;</p><p>import org.drools.event.knowledgeagent.KnowledgeAgentEventListener;</p><p>import org.drools.event.knowledgeagent.KnowledgeBaseUpdatedEvent;</p><p>import org.drools.event.knowledgeagent.ResourceCompilationFailedEvent;</p><p>import org.drools.io.ResourceChangeScannerConfiguration;</p><p>import org.drools.io.ResourceFactory;</p><p>import org.drools.runtime.StatefulKnowledgeSession;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public class KnowledgeAgentTest {</p><p>  </p><p><span>          static String CHANGE_SET_URL = "</span><a class="jive-link-external-small" href="http://192.168.10.13/drools/changeset.xml" target="_blank">http://192.168.10.13/drools/changeset.xml</a><span>";</span></p><p><span>          static String JAVA_INTERACTIVE_URL = "</span><a class="jive-link-external-small" href="http://192.168.10.13/drools/JavaInteractiveFlow.rf" target="_blank">http://192.168.10.13/drools/JavaInteractiveFlow.rf</a><span>";</span></p><p>          static Logger logger = Logger.getLogger(KnowledgeAgentTest.class);</p><p>  </p><p>          public static void main(String[] args) {</p><p>                    try {</p><p>  </p><p>                              KnowledgeAgentConfiguration agentConfig = KnowledgeAgentFactory.newKnowledgeAgentConfiguration(); </p><p>                  agentConfig.setProperty("drools.agent.newInstance", "true");</p><p>                  agentConfig.setProperty("drools.agent.scanDirectories", "false");</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                              KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent( "MyKnowledgeAgent", agentConfig );</p><p>  </p><p>                              KnowledgeAgentEventListener kaListener = new KnowledgeAgentEventListener() {</p><p>  </p><p>                                        @Override</p><p>                                        public void resourceCompilationFailed(ResourceCompilationFailedEvent arg0) {</p><p>                                                  logger.debug("resourceCompilationFailed");</p><p>                                        }</p><p>  </p><p>                                        @Override</p><p>                                        public void knowledgeBaseUpdated(KnowledgeBaseUpdatedEvent arg0) {</p><p>                                                  logger.debug("knowledgeBaseUpdated");</p><p>                                        }</p><p>  </p><p>                                        @Override</p><p>                                        public void beforeResourceProcessed(BeforeResourceProcessedEvent arg0) {</p><p>                                                  logger.debug("beforeResourceProcessed");</p><p>                                        }</p><p>  </p><p>                                        @Override</p><p>                                        public void beforeChangeSetProcessed(BeforeChangeSetProcessedEvent arg0) {</p><p>                                                  logger.debug("beforeChangeSetProcessed");</p><p>                                        }</p><p>  </p><p>                                        @Override</p><p>                                        public void beforeChangeSetApplied(BeforeChangeSetAppliedEvent arg0) {</p><p>                                                  logger.debug("beforeChangeSetApplied");</p><p>                                        }</p><p>  </p><p>                                        @Override</p><p>                                        public void afterResourceProcessed(AfterResourceProcessedEvent arg0) {</p><p>                                                  logger.debug("afterResourceProcessed");</p><p>                                        }</p><p>  </p><p>                                        @Override</p><p>                                        public void afterChangeSetProcessed(AfterChangeSetProcessedEvent arg0) {</p><p>                                                  logger.debug("afterChangeSetProcessed");</p><p>                                        }</p><p>  </p><p>                                        @Override</p><p>                                        public void afterChangeSetApplied(AfterChangeSetAppliedEvent arg0) {</p><p>                                                  logger.debug("afterChangeSetApplied");</p><p>                                        }</p><p>                              };</p><p>  </p><p>                              kagent.addEventListener(kaListener);</p><p>  </p><p>                              kagent.applyChangeSet( ResourceFactory.newUrlResource(CHANGE_SET_URL) );</p><p>  </p><p>                              kagent.monitorResourceChangeEvents(true); </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                              ResourceChangeScannerConfiguration scannerConfig = ResourceFactory</p><p>                                                  .getResourceChangeScannerService()</p><p>                                                  .newResourceChangeScannerConfiguration();</p><p>                              scannerConfig.setProperty("drools.resource.scanner.interval", "2");</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                              ResourceFactory.getResourceChangeScannerService().configure(scannerConfig);</p><p>                              ResourceFactory.getResourceChangeNotifierService().start();</p><p>                              ResourceFactory.getResourceChangeScannerService().start();</p><p>  </p><p>  </p><p>                              KnowledgeBase kbase = kagent.getKnowledgeBase();</p><p>  </p><p>                              System.out.println(kbase.getClass());</p><p>                              logger.debug("Creting new KnowledgeSession");</p><p>                              final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();</p><p>                              logger.debug("Executing session.");</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                              String input = null;</p><p>  </p><p>                              while(!"yes".equals(input)) {</p><p>                                        ksession.startProcess("interactiveJava");</p><p>  </p><p>                                        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));</p><p>                                        try {</p><p>                                                  System.out.print("Exit?");</p><p>                                                  input = br.readLine();</p><p>                                        } catch (IOException e) {</p><p>                                                  System.out.println("Error!");</p><p>                                        }</p><p>  </p><p>                              }</p><p>  </p><p>                              logger.debug("Finish execution.");</p><p>  </p><p>                    } catch (Exception e) {</p><p>                              e.printStackTrace();</p><p>                    }</p><p>          }</p><p>}</p></div>
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