Examples with AttributeDescr org.drools.compiler.lang.descr.AttributeDescr used on opensource projects

Example 16 with AttributeDescr

use of org.drools.compiler.lang.descr.AttributeDescr 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 17 with AttributeDescr

use of org.drools.compiler.lang.descr.AttributeDescr in project drools by kiegroup.

the class RuleHandler method end.

public Object end(final String uri, final String localName, final ExtensibleXmlParser parser) throws SAXException {
    final Element element = parser.endElementBuilder();
    final RuleDescr ruleDescr = (RuleDescr) parser.getCurrent();
    final AndDescr lhs = ruleDescr.getLhs();
    if (lhs == null) {
        throw new SAXParseException("<rule> requires a LHS", parser.getLocator());
    }
    NodeList list = element.getElementsByTagName("rhs");
    if (list.getLength() == 0) {
        throw new SAXParseException("<rule> requires a <rh> child element", parser.getLocator());
    }
    ruleDescr.setConsequence(((org.w3c.dom.Text) list.item(0).getChildNodes().item(0)).getWholeText());
    NodeList attributes = element.getElementsByTagName("rule-attribute");
    for (int i = 0, length = attributes.getLength(); i < length; i++) {
        final String name = ((Element) attributes.item(i)).getAttribute("name");
        emptyAttributeCheck("rule-attribute", "name", name, parser);
        final String value = ((Element) attributes.item(i)).getAttribute("value");
        ruleDescr.addAttribute(new AttributeDescr(name, value));
    }
    ((PackageDescr) parser.getData()).addRule(ruleDescr);
    return ruleDescr;
}

Example 18 with AttributeDescr

use of org.drools.compiler.lang.descr.AttributeDescr in project drools by kiegroup.

the class PackageBuilderConfigurationTest method testMockDialect.

@Test
public void testMockDialect() {
    InternalKnowledgePackage pkg = new KnowledgePackageImpl("org.pkg1");
    KnowledgeBuilderConfigurationImpl cfg1 = new KnowledgeBuilderConfigurationImpl();
    MockDialectConfiguration mockConf = new MockDialectConfiguration();
    // cfg1.buildDialectRegistry().addDialect( "mock",
    // mockConf.getDialect() );
    cfg1.addDialect("mock", mockConf);
    cfg1.setDefaultDialect("mock");
    KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl(pkg, cfg1);
    PackageRegistry pkgRegistry = builder.getPackageRegistry(pkg.getName());
    DialectCompiletimeRegistry dialectRegistry = pkgRegistry.getDialectCompiletimeRegistry();
    MockDialect mockDialect2 = (MockDialect) dialectRegistry.getDialect(cfg1.getDefaultDialect());
    assertSame(pkg, mockDialect2.getPkg());
    assertNull(mockDialect2.getRuleDescr());
    RuleDescr ruleDescr = new RuleDescr("test rule");
    ruleDescr.addAttribute(new AttributeDescr("dialect", "mock"));
    ruleDescr.setLhs(new AndDescr());
    EvalDescr evalDescr = new EvalDescr();
    ruleDescr.getLhs().addDescr(evalDescr);
    PackageDescr pkgDescr = new PackageDescr("org.pkg1");
    pkgDescr.addImport(new ImportDescr("java.util.HashMap"));
    FunctionImportDescr functionImportDescr = new FunctionImportDescr();
    functionImportDescr.setTarget("java.lang.System.currentTimeMillis");
    pkgDescr.addFunctionImport(functionImportDescr);
    pkgDescr.addRule(ruleDescr);
    builder.addPackage(pkgDescr);
    assertSame(ruleDescr, mockDialect2.getRuleDescr());
    assertTrue(mockDialect2.getImport().contains("java.util.HashMap"));
    assertTrue(mockDialect2.getStaticImport().contains("java.lang.System.currentTimeMillis"));
    assertEquals("eval was built", evalDescr.getContent());
    assertEquals("consequence was built", ruleDescr.getConsequence());
    assertTrue(mockDialect2.isCompileAll());
    assertNotNull(pkg.getRule("test rule"));
    // make sure there were no other general errors.
    assertFalse(builder.hasErrors());
}

Example 19 with AttributeDescr

use of org.drools.compiler.lang.descr.AttributeDescr in project drools by kiegroup.

the class PackageDescrResourceVisitor method visit.

protected void visit(final QueryDescr descr) {
    checkResource(descr);
    visit(descr.getLhs());
    for (AttributeDescr attrDescr : descr.getAttributes().values()) {
        visit(attrDescr);
    }
}

Example 20 with AttributeDescr

use of org.drools.compiler.lang.descr.AttributeDescr in project drools by kiegroup.

the class PackageDescrResourceVisitor method visit.

protected void visit(final RuleDescr descr) {
    checkResource(descr);
    for (AttributeDescr d : descr.getAttributes().values()) {
        visit(d);
    }
    visit(descr.getLhs());
    visitConsequence(descr.getConsequence());
    for (Object o : descr.getNamedConsequences().values()) {
        visitConsequence(o);
    }
}