[rules-users] (no subject)

[Michael Anstis]

Unit Test (droolsjbpm-ide-common)
org.drools.ide.common.server.util.BRLPersistenceTest.testRoundTrip()
performs what you are attempting too. This test passes.

I am still uncertain why you reference "org.drools.brms" packages in your
import statements. What version of Drools are you using?

2011/9/15 AZZAZ mohamed <azzazm at gmail.com>

>
> I added all necessary jar in the classpath.
> Here is an excerpt from my code:
> Just for information I am beginner in BRMS
>
> /**
>  *
>  */
> package fr.dto;
> import java.io.*;
> import javax.swing.Box.Filler;
>
> import org.apache.commons.io.FileUtils;
> import org.drools.RuleBase;
> import org.drools.RuleBaseFactory;
> import org.drools.WorkingMemory;
> import org.drools.brms.server.util.BRDRLPersistence;
> import org.drools.brms.server.util.BRXMLPersistence;
> import org.drools.compiler.PackageBuilder;
> import org.drools.event.DebugWorkingMemoryEventListener;
> import org.drools.rule.Package;
>
> /**
>  * @author mazzaz
>  *
>  */
> public class RulesEngine {
>
> private RuleBase rules;
>     private Reader source;
> private boolean debug = false;
>
> public RulesEngine(String rulesFile) throws RulesEngineException {
>  super();
> try {
>  try
> {
>  File file = null;
> String brl =null;
>  file = new File(rulesFile);
> BRXMLPersistence read = (BRXMLPersistence) BRXMLPersistence.getInstance();
>             BRDRLPersistence write = (BRDRLPersistence)
> BRDRLPersistence.getInstance();
>  System.out.println("read && write instance ok \n");
>  brl = FileUtils.readFileToString(file,"UTF-8");
> System.out.println("le fichier contient"+ brl);
>  String outputDRL = write.marshal(read.unmarshal(brl));// code blocked
> here
>  String drlFilePath = "src/main/rules/Test_brl_to_drl.drl";
>  File drlFile = new File(drlFilePath);
>  FileUtils.writeStringToFile(drlFile,outputDRL,"");
>                           source = new InputStreamReader(RulesEngine.class
>  .getResourceAsStream(drlFilePath));
>  }catch (IOException ie){
> System.out.println("ie.getCause(): "+ie.getCause()
>  +"\n"+"ie.getMessage(): "+ie.getMessage());
>  }
>
>  PackageBuilder builder = new PackageBuilder();
> builder.addPackageFromDrl(source);
>  Package pkg = builder.getPackage();
> rules = RuleBaseFactory.newRuleBase();
>  rules.addPackage(pkg);
>
>  } catch (Exception e) {
> throw new RulesEngineException(
>  "Impossible de Compiler le fichier de regles : "
> + rulesFile, e);
>  }
> }
>  public void executeRules(WorkingEnvironmentCallback callback) {
>  /*
>  * L’instanciation de la class workingMemory permet de determiner si
>  * toute si toute les conditions d’une regle sont remplies alors les
>  * consequences de cette regles sont executées
>  */
>  WorkingMemory workingMemory = rules.newStatefulSession();
> if (debug) {
>  workingMemory
> .addEventListener(new DebugWorkingMemoryEventListener());
>  }
> callback.initEnvironment(workingMemory);// initEnvironment methode de
>  // l'interface
> /*
>  * L’execution des conséquences d’une regle se produit lorsqu’on invoque
>  * l’objet fireAllRules WorkingMemory
>  */
>  workingMemory.fireAllRules();
> }
>
> }
>
>
> _______________________________________________
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> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
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