[jboss-jira] [JBoss JIRA] (DROOLS-350) Incremental compilation is not correctly synchronized

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco resolved DROOLS-350.
--------------------------------

    Fix Version/s: 6.0.1.Final
       Resolution: Done

    
> Incremental compilation is not correctly synchronized
> -----------------------------------------------------
>
>                 Key: DROOLS-350
>                 URL: https://issues.jboss.org/browse/DROOLS-350
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>            Reporter: Mario Fusco
>            Assignee: Mario Fusco
>             Fix For: 6.0.1.Final
>
>
> Incremental compilation is not correctly synchronized and then a kiesession can fire when the underlying rule base is in an inconsistent state. The test case below shows the problem
> {code}
>     @Test(timeout = 10000)
>     public void testIncrementalCompilationSynchronization() throws Exception {
>         final KieServices kieServices = KieServices.Factory.get();
>         ReleaseId releaseId = kieServices.newReleaseId("org.kie.test", "sync-scanner-test", "1.0.0");
>         createAndDeployJar( kieServices, releaseId, createDRL("rule0") );
>         final KieContainer kieContainer = kieServices.newKieContainer(releaseId);
>         KieSession kieSession = kieContainer.newKieSession();
>         List<String> list = new ArrayList<String>();
>         kieSession.setGlobal("list", list);
>         kieSession.fireAllRules();
>         kieSession.dispose();
>         assertEquals(1, list.size());
>         Thread t = new Thread(new Runnable() {
>             @Override
>             public void run() {
>                 for (int i = 1; i < 10; i++) {
>                     ReleaseId releaseId = kieServices.newReleaseId("org.kie.test", "sync-scanner-test", "1.0." + i);
>                     createAndDeployJar( kieServices, releaseId, createDRL("rule" + i) );
>                     kieContainer.updateToVersion(releaseId);
>                 }
>             }
>         });
>         t.setDaemon(true);
>         t.start();
>         while (true) {
>             kieSession = kieContainer.newKieSession();
>             list = new ArrayList<String>();
>             kieSession.setGlobal("list", list);
>             kieSession.fireAllRules();
>             kieSession.dispose();
>             assertEquals(1, list.size());
>             if (list.get(0).equals("rule9")) {
>                 break;
>             }
>         }
>     }
>     private String createDRL(String ruleName) {
>         return "package org.kie.test\n" +
>                "global java.util.List list\n" +
>                "rule " + ruleName + "\n" +
>                "when\n" +
>                "then\n" +
>                "list.add( drools.getRule().getName() );\n" +
>                "end\n";
>     }
> {code}

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