Examples with DroolsError org.drools.compiler.compiler.DroolsError used on opensource projects

Example 6 with DroolsError

use of org.drools.compiler.compiler.DroolsError in project drools by kiegroup.

the class RuleFlowErrorTest method testError.

@Test
public void testError() {
    ProcessLoadError err = new ProcessLoadError(null, "XXX", null);
    assertEquals("XXX", err.getMessage());
    Exception e = new RuntimeException("Q");
    err = new ProcessLoadError(null, "X", e);
    assertNotNull(err.getMessage());
    assertTrue(err instanceof DroolsError);
}

Example 7 with DroolsError

use of org.drools.compiler.compiler.DroolsError in project drools by kiegroup.

the class KnowledgeBuilderImpl method registerBuildResource.

public void registerBuildResource(final Resource resource, ResourceType type) {
    InternalResource ires = (InternalResource) resource;
    if (ires.getResourceType() == null) {
        ires.setResourceType(type);
    } else if (ires.getResourceType() != type) {
        addBuilderResult(new ResourceTypeDeclarationWarning(resource, ires.getResourceType(), type));
    }
    if (ResourceType.CHANGE_SET == type) {
        try {
            ChangeSet changeSet = parseChangeSet(resource);
            List<Resource> resources = new ArrayList<Resource>();
            resources.add(resource);
            for (Resource addedRes : changeSet.getResourcesAdded()) {
                resources.add(addedRes);
            }
            for (Resource modifiedRes : changeSet.getResourcesModified()) {
                resources.add(modifiedRes);
            }
            for (Resource removedRes : changeSet.getResourcesRemoved()) {
                resources.add(removedRes);
            }
            buildResources.push(resources);
        } catch (Exception e) {
            results.add(new DroolsError() {

                public String getMessage() {
                    return "Unable to register changeset resource " + resource;
                }

                public int[] getLines() {
                    return new int[0];
                }
            });
        }
    } else {
        buildResources.push(Collections.singletonList(resource));
    }
}

Example 8 with DroolsError

use of org.drools.compiler.compiler.DroolsError in project drools by kiegroup.

the class KnowledgeBuilderImpl method processWindowDeclarations.

private void processWindowDeclarations(PackageRegistry pkgRegistry, PackageDescr packageDescr) {
    for (WindowDeclarationDescr wd : packageDescr.getWindowDeclarations()) {
        WindowDeclaration window = new WindowDeclaration(wd.getName(), packageDescr.getName());
        // TODO: process annotations
        // process pattern
        InternalKnowledgePackage pkg = pkgRegistry.getPackage();
        DialectCompiletimeRegistry ctr = pkgRegistry.getDialectCompiletimeRegistry();
        RuleDescr dummy = new RuleDescr(wd.getName() + " Window Declaration");
        dummy.setResource(packageDescr.getResource());
        dummy.addAttribute(new AttributeDescr("dialect", "java"));
        RuleBuildContext context = new RuleBuildContext(this, dummy, ctr, pkg, ctr.getDialect(pkgRegistry.getDialect()));
        final RuleConditionBuilder builder = (RuleConditionBuilder) context.getDialect().getBuilder(wd.getPattern().getClass());
        if (builder != null) {
            final Pattern pattern = (Pattern) builder.build(context, wd.getPattern(), null);
            if (pattern.getXpathConstraint() != null) {
                context.addError(new DescrBuildError(wd, context.getParentDescr(), null, "OOpath expression " + pattern.getXpathConstraint() + " not allowed in window declaration\n"));
            }
            window.setPattern(pattern);
        } else {
            throw new RuntimeException("BUG: assembler not found for descriptor class " + wd.getPattern().getClass());
        }
        if (!context.getErrors().isEmpty()) {
            for (DroolsError error : context.getErrors()) {
                addBuilderResult(error);
            }
        } else {
            pkgRegistry.getPackage().addWindowDeclaration(window);
        }
    }
}

Example 9 with DroolsError

use of org.drools.compiler.compiler.DroolsError in project drools by kiegroup.

the class DRLDumperTest method testDumpers.

@Test
public void testDumpers() throws Exception {
    final DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
    final Resource resource = new InputStreamResource(getClass().getResourceAsStream("test_Dumpers.drl"));
    final PackageDescr pkg = parser.parse(resource);
    if (parser.hasErrors()) {
        for (final DroolsError error : parser.getErrors()) {
            logger.warn(error.toString());
        }
        fail(parser.getErrors().toString());
    }
    KieBase kbase = SerializationHelper.serializeObject(loadKnowledgeBase(pkg));
    KieSession ksession = kbase.newKieSession();
    List list = new ArrayList();
    ksession.setGlobal("list", list);
    final Cheese brie = new Cheese("brie", 12);
    ksession.insert(brie);
    ksession.fireAllRules();
    assertEquals(3, list.size());
    assertEquals("3 1", list.get(0));
    assertEquals("MAIN", list.get(1));
    assertEquals("1 1", list.get(2));
    final DrlDumper drlDumper = new DrlDumper();
    final String drlResult = drlDumper.dump(pkg);
    System.out.println(drlResult);
    kbase = SerializationHelper.serializeObject(loadKnowledgeBaseFromString(drlResult));
    ksession = kbase.newKieSession();
    list = new ArrayList();
    ksession.setGlobal("list", list);
    ksession.insert(brie);
    ksession.fireAllRules();
    assertEquals(3, list.size());
    assertEquals("3 1", list.get(0));
    assertEquals("MAIN", list.get(1));
    assertEquals("1 1", list.get(2));
}

Example 10 with DroolsError

use of org.drools.compiler.compiler.DroolsError in project drools by kiegroup.

the class RuleBuilder method buildTimer.

private static void buildTimer(RuleImpl rule, String timerString, RuleBuildContext context) {
    if (timerString.indexOf('(') >= 0) {
        timerString = timerString.substring(timerString.indexOf('(') + 1, timerString.lastIndexOf(')')).trim();
    }
    int colonPos = timerString.indexOf(":");
    int semicolonPos = timerString.indexOf(";");
    // default protocol
    String protocol = "int";
    if (colonPos == -1) {
        if (timerString.startsWith("int") || timerString.startsWith("cron") || timerString.startsWith("expr")) {
            DroolsError err = new RuleBuildError(rule, context.getParentDescr(), null, "Incorrect timer definition '" + timerString + "' - missing colon?");
            context.addError(err);
            return;
        }
    } else {
        protocol = timerString.substring(0, colonPos);
    }
    String startDate = extractParam(timerString, "start");
    String endDate = extractParam(timerString, "end");
    String repeatLimitString = extractParam(timerString, "repeat-limit");
    int repeatLimit = repeatLimitString != null ? Integer.parseInt(repeatLimitString) : -1;
    String body = timerString.substring(colonPos + 1, semicolonPos > 0 ? semicolonPos : timerString.length()).trim();
    Timer timer;
    if ("cron".equals(protocol)) {
        try {
            timer = new CronTimer(createMVELExpr(startDate, context), createMVELExpr(endDate, context), repeatLimit, new CronExpression(body));
        } catch (ParseException e) {
            DroolsError err = new RuleBuildError(rule, context.getParentDescr(), null, "Unable to build set timer '" + timerString + "'");
            context.addError(err);
            return;
        }
    } else if ("int".equals(protocol)) {
        String[] times = body.trim().split("\\s");
        long delay = 0;
        long period = 0;
        if (times.length > 2) {
            DroolsError err = new RuleBuildError(rule, context.getParentDescr(), null, "Incorrect number of arguments for interval timer '" + timerString + "'");
            context.addError(err);
            return;
        }
        try {
            if (times.length == 1) {
                // only defines a delay
                delay = TimeUtils.parseTimeString(times[0]);
            } else {
                // defines a delay and a period for intervals
                delay = TimeUtils.parseTimeString(times[0]);
                period = TimeUtils.parseTimeString(times[1]);
            }
        } catch (RuntimeException e) {
            DroolsError err = new RuleBuildError(rule, context.getParentDescr(), null, "Incorrect timer definition '" + timerString + "' " + e.getMessage());
            context.addError(err);
            return;
        }
        timer = new IntervalTimer(createMVELExpr(startDate, context), createMVELExpr(endDate, context), repeatLimit, delay, period);
    } else if ("expr".equals(protocol)) {
        body = body.trim();
        StringTokenizer tok = new StringTokenizer(body, ",;");
        if (tok.countTokens() > 2) {
            DroolsError err = new RuleBuildError(rule, context.getParentDescr(), null, "Incorrect number of arguments for expression timer '" + timerString + "'");
            context.addError(err);
            return;
        }
        MVELObjectExpression times = MVELObjectExpressionBuilder.build(tok.nextToken().trim(), context);
        MVELObjectExpression period = tok.hasMoreTokens() ? MVELObjectExpressionBuilder.build(tok.nextToken().trim(), context) : MVELObjectExpressionBuilder.build("0", context);
        timer = new ExpressionIntervalTimer(createMVELExpr(startDate, context), createMVELExpr(endDate, context), repeatLimit, times, period);
    } else {
        DroolsError err = new RuleBuildError(rule, context.getParentDescr(), null, "Protocol for timer does not exist '" + timerString + "'");
        context.addError(err);
        return;
    }
    rule.setTimer(timer);
}