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

Example 51 with AndDescr

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

the class KnowledgeBuilderTest method createLiteralRule.

private void createLiteralRule(final BaseDescr descr) {
    final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
    final PackageDescr packageDescr = new PackageDescr("p1");
    final RuleDescr ruleDescr = new RuleDescr("rule-1");
    packageDescr.addRule(ruleDescr);
    final AndDescr lhs = new AndDescr();
    ruleDescr.setLhs(lhs);
    final PatternDescr pattern = new PatternDescr(Primitives.class.getName());
    lhs.addDescr(pattern);
    pattern.addConstraint(descr);
    ruleDescr.setConsequence("");
    builder.addPackage(packageDescr);
    assertLength(0, builder.getErrors().getErrors());
}

Example 52 with AndDescr

use of org.drools.compiler.lang.descr.AndDescr 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 53 with AndDescr

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

the class QueryBuilderTest method testRuleWithQuery.

@Test
public void testRuleWithQuery() throws Exception {
    final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
    final PackageDescr packageDescr = new PackageDescr("p1");
    QueryDescr queryDescr = new QueryDescr("query1");
    queryDescr.addParameter("String", "$name");
    queryDescr.addParameter("int", "$age");
    queryDescr.addParameter("String", "$likes");
    packageDescr.addRule(queryDescr);
    AndDescr lhs = new AndDescr();
    queryDescr.setLhs(lhs);
    PatternDescr pattern = new PatternDescr(Person.class.getName());
    lhs.addDescr(pattern);
    pattern.addConstraint(new BindingDescr("$name", "name", true));
    pattern.addConstraint(new BindingDescr("$age", "age", true));
    pattern.addConstraint(new BindingDescr("$likes", "likes", true));
    RuleDescr ruleDescr = new RuleDescr("rule-1");
    packageDescr.addRule(ruleDescr);
    lhs = new AndDescr();
    ruleDescr.setLhs(lhs);
    pattern = new PatternDescr(Cheese.class.getName());
    lhs.addDescr(pattern);
    pattern.addConstraint(new BindingDescr("$type", "type"));
    pattern = new PatternDescr("query1");
    pattern.setQuery(true);
    lhs.addDescr(pattern);
    ExprConstraintDescr expr = new ExprConstraintDescr("'bobba'");
    expr.setPosition(0);
    expr.setType(Type.POSITIONAL);
    pattern.addConstraint(expr);
    expr = new ExprConstraintDescr("$age");
    expr.setPosition(1);
    expr.setType(Type.POSITIONAL);
    pattern.addConstraint(expr);
    expr = new ExprConstraintDescr("$type");
    expr.setPosition(2);
    expr.setType(Type.POSITIONAL);
    pattern.addConstraint(expr);
    ruleDescr.setConsequence("System.out.println(\"age: \" + $age);");
    builder.addPackage(packageDescr);
    assertLength(0, builder.getErrors().getErrors());
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(Arrays.asList(new KiePackage[] { builder.getPackage(packageDescr.getName()) }));
    final KieSession session = kbase.newKieSession();
    session.insert(new Person("bobba", "stilton", 90));
    session.insert(new Person("bobba", "brie", 80));
    session.insert(new Person("bobba", "brie", 75));
    session.insert(new Person("darth", "brie", 100));
    session.insert(new Person("luke", "brie", 25));
    session.insert(new Cheese("brie", 25));
    session.fireAllRules();
}

Example 54 with AndDescr

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

the class NamedConsequenceVisitor method visit.

public void visit(ConditionalBranchDescr desc) {
    PatternDescr patternRelated = (PatternDescr) getReferringPatternDescr(desc, (AndDescr) context.parentDesc);
    Class<?> patternRelatedClass = getClassFromContext(context.getTypeResolver(), patternRelated.getObjectType());
    MethodCallExpr whenBlock = whenThenDSL(desc, patternRelated, patternRelatedClass, WHEN_CALL, null);
    recurseAmongElseBranch(patternRelatedClass, patternRelated, whenBlock, desc.getElseBranch());
}

Example 55 with AndDescr

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

the class AndHandler method end.

public Object end(final String uri, final String localName, final ExtensibleXmlParser parser) throws SAXException {
    final Element element = parser.endElementBuilder();
    final AndDescr andDescr = (AndDescr) parser.getCurrent();
    final Object parent = parser.getParent();
    if (!andDescr.getDescrs().isEmpty()) {
        if (parent instanceof RuleDescr || parent instanceof QueryDescr) {
            final RuleDescr ruleDescr = (RuleDescr) parent;
            ruleDescr.setLhs(andDescr);
        } else if (parent instanceof MultiPatternDestinationDescr) {
            final MultiPatternDestinationDescr mpDescr = (MultiPatternDestinationDescr) parent;
            mpDescr.setInput(andDescr);
        } else if (parent instanceof ConditionalElementDescr) {
            final ConditionalElementDescr ceDescr = (ConditionalElementDescr) parent;
            ceDescr.addDescr(andDescr);
        }
    }
    return andDescr;
}