Package org.drools.compiler.compiler

Examples of org.drools.compiler.compiler.PackageRegistry

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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>();
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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);
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    //        return;
    //    }

    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();
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                // the RuleBase will also initialise the
                pkg.getDialectRuntimeRegistry().onAdd(this.rootClassLoader);
            }
        }

        PackageRegistry pkgRegistry = new PackageRegistry(rootClassLoader, configuration, pkg);

        // add default import for this namespace
        pkgRegistry.addImport(new ImportDescr(packageDescr.getNamespace() + ".*"));

        this.pkgRegistryMap.put(packageDescr.getName(), pkgRegistry);

        return pkgRegistry;
    }
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        }
    }

    private void addFunction(final FunctionDescr functionDescr) {
        functionDescr.setResource(this.resource);
        PackageRegistry pkgRegistry = this.pkgRegistryMap.get(functionDescr.getNamespace());
        Dialect dialect = pkgRegistry.getDialectCompiletimeRegistry().getDialect(functionDescr.getDialect());
        dialect.addFunction(functionDescr,
                            pkgRegistry.getTypeResolver(),
                            this.resource);
    }
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                            pkgRegistry.getTypeResolver(),
                            this.resource);
    }

    private void preCompileAddFunction(final FunctionDescr functionDescr) {
        PackageRegistry pkgRegistry = this.pkgRegistryMap.get(functionDescr.getNamespace());
        Dialect dialect = pkgRegistry.getDialectCompiletimeRegistry().getDialect(functionDescr.getDialect());
        dialect.preCompileAddFunction(functionDescr,
                                      pkgRegistry.getTypeResolver());
    }
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        dialect.preCompileAddFunction(functionDescr,
                                      pkgRegistry.getTypeResolver());
    }

    private void postCompileAddFunction(final FunctionDescr functionDescr) {
        PackageRegistry pkgRegistry = this.pkgRegistryMap.get(functionDescr.getNamespace());
        Dialect dialect = pkgRegistry.getDialectCompiletimeRegistry().getDialect(functionDescr.getDialect());
        dialect.postCompileAddFunction(functionDescr, pkgRegistry.getTypeResolver());

        if (rootClassLoader instanceof ProjectClassLoader) {
            String functionClassName = functionDescr.getClassName();
            JavaDialectRuntimeData runtime = ((JavaDialectRuntimeData) pkgRegistry.getDialectRuntimeRegistry().getDialectData( "java" ));
            byte [] def = runtime.getStore().get(convertClassToResourcePath(functionClassName));
            if (def != null) {
                ((ProjectClassLoader)rootClassLoader).storeClass(functionClassName, def);
            }
        }
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        for (RuleDescr ruleDescr : rules) {
            if (ruleDescr.getResource() == null) {
                ruleDescr.setResource(resource);
            }

            PackageRegistry pkgRegistry = this.pkgRegistryMap.get(ruleDescr.getNamespace());

            InternalKnowledgePackage pkg = pkgRegistry.getPackage();
            DialectCompiletimeRegistry ctr = pkgRegistry.getDialectCompiletimeRegistry();
            RuleBuildContext context = new RuleBuildContext(this,
                                                            ruleDescr,
                                                            ctr,
                                                            pkg,
                                                            ctr.getDialect(pkgRegistry.getDialect()));
            map.put(ruleDescr.getName(), context);
        }

        return map;
    }
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     *         runtime exception.
     *
     *         Compiled packages are serializable.
     */
    public InternalKnowledgePackage getPackage() {
        PackageRegistry pkgRegistry = null;
        if (!this.pkgRegistryMap.isEmpty()) {
            pkgRegistry = (PackageRegistry) this.pkgRegistryMap.values().toArray()[currentRulePackage];
        }
        InternalKnowledgePackage pkg = null;
        if (pkgRegistry != null) {
            pkg = pkgRegistry.getPackage();
        }
        if (hasErrors() && pkg != null) {
            pkg.setError(getErrors().toString());
        }
        return pkg;
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    }

    private void buildOtherDeclarations(Collection<CompositePackageDescr> packages) {
        for (CompositePackageDescr packageDescr : packages) {
            kBuilder.setAssetFilter(packageDescr.getFilter());
            PackageRegistry pkgRegistry = kBuilder.getPackageRegistry(packageDescr.getNamespace());
            kBuilder.processOtherDeclarations(pkgRegistry, packageDescr);
            kBuilder.setAssetFilter(null);
        }
    }
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  • org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl
  • org.drools.compiler.builder.impl.KnowledgeBuilderImpl
  • org.drools.compiler.builder.impl.TypeDeclarationBuilder
  • org.drools.compiler.builder.impl.TypeDeclarationCache
  • org.drools.compiler.builder.impl.TypeDeclarationFactory
  • org.drools.compiler.builder.impl.TypeDeclarationNameResolver
  • org.drools.compiler.kie.builder.impl.KieBuilderImpl
  • org.drools.compiler.kie.builder.impl.KieMetaInfoBuilder
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