Package org.drools.core.definitions

Examples of org.drools.core.definitions.InternalKnowledgePackage

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    protected void wireTimestampAccessor( AbstractClassTypeDeclarationDescr typeDescr, TypeDeclaration type, PackageRegistry pkgRegistry ) {
        AnnotationDescr annotationDescr = typeDescr.getAnnotation( TypeDeclaration.ATTR_TIMESTAMP );
        String timestamp = (annotationDescr != null) ? annotationDescr.getSingleValue() : null;
        if ( timestamp != null ) {
            type.setTimestampAttribute( timestamp );
            InternalKnowledgePackage pkg = pkgRegistry.getPackage();

            MVELDialect dialect = (MVELDialect) pkgRegistry.getDialectCompiletimeRegistry().getDialect( "mvel" );
            PackageBuildContext context = new PackageBuildContext();
            context.init( kbuilder, pkg, typeDescr, pkgRegistry.getDialectCompiletimeRegistry(), dialect, null );
            if ( ! type.isTypesafe() ) {
                context.setTypesafe( false );
            }

            MVELAnalysisResult results = (MVELAnalysisResult)
                    context.getDialect().analyzeExpression(context,
                                                           typeDescr,
                                                           timestamp,
                                                           new BoundIdentifiers( Collections.EMPTY_MAP,
                                                                                 Collections.EMPTY_MAP,
                                                                                 Collections.EMPTY_MAP,
                                                                                 type.getTypeClass()));

            if (results != null) {
                InternalReadAccessor reader = pkg.getClassFieldAccessorStore().getMVELReader( ClassUtils.getPackage( type.getTypeClass() ),
                                                                                              type.getTypeClass().getName(),
                                                                                              timestamp,
                                                                                              type.isTypesafe(),
                                                                                              results.getReturnType());

                MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData("mvel");
                data.addCompileable((MVELCompileable) reader);
                ((MVELCompileable) reader).compile(data);
                type.setTimestampExtractor(reader);
            } else {
                kbuilder.addBuilderResult(new TypeDeclarationError(typeDescr,
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    protected void wireDurationAccessor( AbstractClassTypeDeclarationDescr typeDescr, TypeDeclaration type, PackageRegistry pkgRegistry ) {
        AnnotationDescr annotationDescr = typeDescr.getAnnotation(TypeDeclaration.ATTR_DURATION);
        String duration = (annotationDescr != null) ? annotationDescr.getSingleValue() : null;
        if (duration != null) {
            type.setDurationAttribute(duration);
            InternalKnowledgePackage pkg = pkgRegistry.getPackage();

            MVELDialect dialect = (MVELDialect) pkgRegistry.getDialectCompiletimeRegistry().getDialect("mvel");
            PackageBuildContext context = new PackageBuildContext();
            context.init(kbuilder, pkg, typeDescr, pkgRegistry.getDialectCompiletimeRegistry(), dialect, null);
            if (!type.isTypesafe()) {
                context.setTypesafe(false);
            }

            MVELAnalysisResult results = (MVELAnalysisResult)
                    context.getDialect().analyzeExpression(context,
                                                           typeDescr,
                                                           duration,
                                                           new BoundIdentifiers(Collections.EMPTY_MAP,
                                                                                Collections.EMPTY_MAP,
                                                                                Collections.EMPTY_MAP,
                                                                                type.getTypeClass()));

            if (results != null) {
                InternalReadAccessor reader = pkg.getClassFieldAccessorStore().getMVELReader(ClassUtils.getPackage(type.getTypeClass()),
                                                                                             type.getTypeClass().getName(),
                                                                                             duration,
                                                                                             type.isTypesafe(),
                                                                                             results.getReturnType());

                MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData("mvel");
                data.addCompileable((MVELCompileable) reader);
                ((MVELCompileable) reader).compile(data);
                type.setDurationExtractor(reader);
            } else {
                kbuilder.addBuilderResult(new TypeDeclarationError(typeDescr,
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                                                         null,
                                                         "The class '" + patternDescr.getObjectType() + "' is not public"));
                    return null;
                }
                PackageRegistry pkgr = context.getKnowledgeBuilder().getPackageRegistry( ClassUtils.getPackage( userProvidedClass ) );
                InternalKnowledgePackage pkg = pkgr == null ? context.getPkg() : pkgr.getPackage();
                final boolean isEvent = pkg.isEvent( userProvidedClass );
                objectType = new ClassObjectType( userProvidedClass,
                                                  isEvent );
            } catch ( final ClassNotFoundException e ) {
                // swallow as we'll do another check in a moment and then record the problem
            }
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        if (!getErrors().isEmpty()) {
            errors = getErrors().toString();
        }
        int i = 0;
        for (PackageRegistry pkgRegistry : this.pkgRegistryMap.values()) {
            InternalKnowledgePackage pkg = pkgRegistry.getPackage();
            pkg.getDialectRuntimeRegistry().onBeforeExecute();
            if (errors != null) {
                pkg.setError(errors);
            }
            pkgs[i++] = pkg;
        }

        return pkgs;
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    }

    public void setAllRuntimesDirty(Collection<String> packages) {
        if (kBase != null) {
            for (String pkgName : packages) {
                InternalKnowledgePackage pkg = kBase.getPackage(pkgName);
                if (pkg != null) {
                    pkg.getDialectRuntimeRegistry().getDialectData("java").setDirty(true);
                }
            }
        }
    }
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    }

    public void rewireClassObjectTypes(Collection<String> packages) {
        if (kBase != null) {
            for (String pkgName : packages) {
                InternalKnowledgePackage pkg = kBase.getPackage(pkgName);
                if (pkg != null) {
                    pkg.getClassFieldAccessorStore().wire();
                }
            }
        }
    }
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    }

    private Map<String, RuleBuildContext> preProcessRules(PackageDescr packageDescr, PackageRegistry pkgRegistry) {
        Map<String, RuleBuildContext> ruleCxts = buildRuleBuilderContext(packageDescr.getRules());

        InternalKnowledgePackage pkg = pkgRegistry.getPackage();
        if (this.kBase != null) {
            boolean needsRemoval = false;

            // first, check if any rules no longer exist
            for( org.kie.api.definition.rule.Rule rule : pkg.getRules() ) {
                if (filterAcceptsRemoval( rule.getPackageName(), rule.getName() ) ) {
                    needsRemoval = true;
                    break;
                }
            }

            if( !needsRemoval ) {
                for (RuleDescr ruleDescr : packageDescr.getRules()) {
                    if (filterAccepts(ruleDescr.getNamespace(), ruleDescr.getName()) ) {
                        if (pkg.getRule(ruleDescr.getName()) != null) {
                            needsRemoval = true;
                            break;
                        }
                    }
                }
            }

            if (needsRemoval) {
                try {
                    this.kBase.lock();
                    for( org.kie.api.definition.rule.Rule rule : pkg.getRules() ) {
                        if (filterAcceptsRemoval( rule.getPackageName(), rule.getName() ) ) {
                            this.kBase.removeRule(pkg, pkg.getRule(rule.getName()));
                            pkg.removeRule(((RuleImpl)rule));
                        }
                    }
                    for (RuleDescr ruleDescr : packageDescr.getRules()) {
                        if (filterAccepts(ruleDescr.getNamespace(), ruleDescr.getName()) ) {
                            if (pkg.getRule(ruleDescr.getName()) != null) {
                                // XXX: this one notifies listeners
                                this.kBase.removeRule(pkg, pkg.getRule(ruleDescr.getName()));
                            }
                        }
                    }
                } finally {
                    this.kBase.unlock();
                }
            }
        }

        // Pre Process each rule, needed for Query signuture registration
        for (RuleDescr ruleDescr : packageDescr.getRules()) {
            if (filterAccepts(ruleDescr.getNamespace(), ruleDescr.getName()) ) {
                RuleBuildContext ruleBuildContext = ruleCxts.get(ruleDescr.getName());
                ruleBuilder.preProcess(ruleBuildContext);
                pkg.addRule(ruleBuildContext.getRule());
            }
        }
        return ruleCxts;
    }
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    private void sortRulesByDependency(PackageDescr packageDescr) {
        // Using a topological sorting algorithm
        // see http://en.wikipedia.org/wiki/Topological_sorting

        PackageRegistry pkgRegistry = this.pkgRegistryMap.get(packageDescr.getNamespace());
        InternalKnowledgePackage pkg = pkgRegistry.getPackage();

        List<RuleDescr> roots = new LinkedList<RuleDescr>();
        Map<String, List<RuleDescr>> children = new HashMap<String, List<RuleDescr>>();
        LinkedHashMap<String, RuleDescr> sorted = new LinkedHashMap<String, RuleDescr>();
        List<RuleDescr> queries = new ArrayList<RuleDescr>();

        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
                sorted.put(ruleDescr.getName(), ruleDescr);
            } else {
                List<RuleDescr> childz = children.get(ruleDescr.getParentName());
                if (childz == null) {
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        return results;
    }

    public synchronized void addPackage(InternalKnowledgePackage newPkg) {
        PackageRegistry pkgRegistry = this.pkgRegistryMap.get(newPkg.getName());
        InternalKnowledgePackage pkg = null;
        if (pkgRegistry != null) {
            pkg = pkgRegistry.getPackage();
        }

        if (pkg == null) {
            PackageDescr packageDescr = new PackageDescr(newPkg.getName());
            pkgRegistry = newPackage(packageDescr);
            mergePackage(this.pkgRegistryMap.get(packageDescr.getNamespace()), packageDescr);
            pkg = pkgRegistry.getPackage();
        }

        // first merge anything related to classloader re-wiring
        pkg.getDialectRuntimeRegistry().merge(newPkg.getDialectRuntimeRegistry(),
                                              this.rootClassLoader);
        if (newPkg.getFunctions() != null) {
            for (Map.Entry<String, Function> entry : newPkg.getFunctions().entrySet()) {
                if (pkg.getFunctions().containsKey(entry.getKey())) {
                    addBuilderResult(new DuplicateFunction(entry.getValue(),
                                                           this.configuration));
                }
                pkg.addFunction(entry.getValue());
            }
        }
        pkg.getClassFieldAccessorStore().merge(newPkg.getClassFieldAccessorStore());
        pkg.getDialectRuntimeRegistry().onBeforeExecute();

        // we have to do this before the merging, as it does some classloader resolving
        TypeDeclaration lastType = null;
        try {
            // Resolve the class for the type declaation
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    //    }

    private void validateUniqueRuleNames(final PackageDescr packageDescr) {
        final Set<String> names = new HashSet<String>();
        PackageRegistry packageRegistry = this.pkgRegistryMap.get(packageDescr.getNamespace());
        InternalKnowledgePackage pkg = null;
        if (packageRegistry != null) {
            pkg = packageRegistry.getPackage();
        }
        for (final RuleDescr rule : packageDescr.getRules()) {
            validateRule(packageDescr, rule);

            final String name = rule.getName();
            if (names.contains(name)) {
                addBuilderResult(new ParserError(rule.getResource(),
                                                 "Duplicate rule name: " + name,
                                                 rule.getLine(),
                                                 rule.getColumn(),
                                                 packageDescr.getNamespace()));
            }
            if (pkg != null) {
                RuleImpl duplicatedRule = pkg.getRule(name);
                if (duplicatedRule != null) {
                    Resource resource = rule.getResource();
                    Resource duplicatedResource = duplicatedRule.getResource();
                    if (resource == null || duplicatedResource == null || duplicatedResource.getSourcePath() == null ||
                        duplicatedResource.getSourcePath().equals(resource.getSourcePath())) {
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Related Classes of org.drools.core.definitions.InternalKnowledgePackage

  • org.drools.beliefs.bayes.assembler.BayesAssemblerService
  • org.drools.beliefs.bayes.integration.AssemblerTest
  • org.drools.beliefs.bayes.integration.WeaverTest
  • org.drools.beliefs.bayes.runtime.BayesRuntimeImpl
  • org.drools.compiler.builder.impl.ClassHierarchyManager
  • org.drools.compiler.builder.impl.KnowledgeBuilderImpl
  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.builder.impl.TypeDeclarationBuilder
  • org.drools.compiler.builder.impl.TypeDeclarationConfigurator
  • org.drools.compiler.compiler.CompilerPerfProfileTest
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