Examples with RuleDescr org.drools.drl.ast.descr.RuleDescr used on opensource projects

Example 96 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class KiePMMLDescrFactoryTest method checkRules.

private void checkRules(List<RuleDescr> toCheck) {
    assertEquals(1, toCheck.size());
    RuleDescr retrieved = toCheck.get(0);
    assertEquals(RULE_NAME, retrieved.getName());
}

Example 97 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class KnowledgeBuilderImpl method reportHierarchyErrors.

private void reportHierarchyErrors(Map<String, List<RuleDescr>> parents, Map<String, RuleDescr> sorted) {
    boolean circularDep = false;
    for (List<RuleDescr> rds : parents.values()) {
        for (RuleDescr ruleDescr : rds) {
            if (parents.get(ruleDescr.getParentName()) != null && (sorted.containsKey(ruleDescr.getName()) || parents.containsKey(ruleDescr.getName()))) {
                circularDep = true;
                results.add(new RuleBuildError(descrToRule(ruleDescr), ruleDescr, null, "Circular dependency in rules hierarchy"));
                break;
            }
            manageUnresolvedExtension(ruleDescr, sorted.values());
        }
        if (circularDep) {
            break;
        }
    }
}

Example 98 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class KnowledgeBuilderImpl method sortRulesByDependency.

private SortedRules sortRulesByDependency(PackageDescr packageDescr, PackageRegistry pkgRegistry) {
    // Using a topological sorting algorithm
    // see http://en.wikipedia.org/wiki/Topological_sorting
    InternalKnowledgePackage pkg = pkgRegistry.getPackage();
    List<RuleDescr> roots = new ArrayList<>();
    Map<String, List<RuleDescr>> children = new HashMap<>();
    LinkedHashMap<String, RuleDescr> sorted = new LinkedHashMap<>();
    List<RuleDescr> queries = new ArrayList<>();
    Set<String> compiledRules = new HashSet<>();
    for (RuleDescr ruleDescr : packageDescr.getRules()) {
        if (ruleDescr.isQuery()) {
            queries.add(ruleDescr);
        } else if (!ruleDescr.hasParent()) {
            roots.add(ruleDescr);
        } else {
            if (pkg.getRule(ruleDescr.getParentName()) != null) {
                // The parent of this rule has been already compiled
                compiledRules.add(ruleDescr.getParentName());
            }
            children.computeIfAbsent(ruleDescr.getParentName(), k -> new ArrayList<>()).add(ruleDescr);
        }
    }
    SortedRules sortedRules = new SortedRules();
    sortedRules.queries = queries;
    if (children.isEmpty()) {
        // Sorting not necessary
        if (!queries.isEmpty()) {
            // Build all queries first
            packageDescr.getRules().removeAll(queries);
            packageDescr.getRules().addAll(0, queries);
            sortedRules.rules.add(packageDescr.getRules().subList(queries.size(), packageDescr.getRules().size()));
        } else {
            sortedRules.rules.add(packageDescr.getRules());
        }
        return sortedRules;
    }
    for (String compiledRule : compiledRules) {
        List<RuleDescr> childz = children.remove(compiledRule);
        roots.addAll(childz);
    }
    List<RuleDescr> rulesLevel = roots;
    while (!rulesLevel.isEmpty()) {
        rulesLevel = sortRulesLevel(rulesLevel, sorted, sortedRules, children);
        sortedRules.newLevel();
    }
    reportHierarchyErrors(children, sorted);
    packageDescr.getRules().clear();
    packageDescr.getRules().addAll(queries);
    for (RuleDescr descr : sorted.values()) {
        packageDescr.getRules().add(descr);
    }
    return sortedRules;
}

Example 99 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class KnowledgeBuilderImpl method normalizeRuleAnnotations.

public void normalizeRuleAnnotations(PackageDescr packageDescr, TypeResolver typeResolver) {
    boolean isStrict = configuration.getLanguageLevel().useJavaAnnotations();
    for (RuleDescr ruleDescr : packageDescr.getRules()) {
        normalizeAnnotations(ruleDescr, typeResolver, isStrict);
        traverseAnnotations(ruleDescr.getLhs(), typeResolver, isStrict);
    }
}

Example 100 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class KnowledgeBuilderImpl method compileRulesLevel.

private void compileRulesLevel(PackageDescr packageDescr, PackageRegistry pkgRegistry, List<RuleDescr> rules) {
    boolean parallelRulesBuild = this.kBase == null && parallelRulesBuildThreshold != -1 && rules.size() > parallelRulesBuildThreshold;
    if (parallelRulesBuild) {
        Map<String, RuleBuildContext> ruleCxts = new ConcurrentHashMap<>();
        try {
            ForkJoinPoolHolder.COMPILER_POOL.submit(() -> rules.stream().parallel().filter(ruleDescr -> filterAccepts(ResourceChange.Type.RULE, ruleDescr.getNamespace(), ruleDescr.getName())).forEach(ruleDescr -> {
                initRuleDescr(packageDescr, pkgRegistry, ruleDescr);
                RuleBuildContext context = buildRuleBuilderContext(pkgRegistry, ruleDescr);
                ruleCxts.put(ruleDescr.getName(), context);
                List<? extends KnowledgeBuilderResult> results = addRule(context);
                if (!results.isEmpty()) {
                    synchronized (this.results) {
                        this.results.addAll(results);
                    }
                }
            })).get();
        } catch (InterruptedException | ExecutionException e) {
            throw new RuntimeException("Rules compilation failed or interrupted", e);
        }
        for (RuleDescr ruleDescr : rules) {
            RuleBuildContext context = ruleCxts.get(ruleDescr.getName());
            if (context != null) {
                pkgRegistry.getPackage().addRule(context.getRule());
            }
        }
    } else {
        for (RuleDescr ruleDescr : rules) {
            if (filterAccepts(ResourceChange.Type.RULE, ruleDescr.getNamespace(), ruleDescr.getName())) {
                initRuleDescr(packageDescr, pkgRegistry, ruleDescr);
                RuleBuildContext context = buildRuleBuilderContext(pkgRegistry, ruleDescr);
                this.results.addAll(addRule(context));
                pkgRegistry.getPackage().addRule(context.getRule());
            }
        }
    }
}