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

Example 6 with RuleDescr

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

the class XmlPackageReaderTest method testParseRhs.

@Test
public void testParseRhs() throws Exception {
    final XmlPackageReader xmlPackageReader = getXmReader();
    xmlPackageReader.read(new InputStreamReader(getClass().getResourceAsStream("test_ParseRhs.xml")));
    final PackageDescr packageDescr = xmlPackageReader.getPackageDescr();
    assertNotNull(packageDescr);
    assertEquals("com.sample", packageDescr.getName());
    final List imports = packageDescr.getImports();
    assertEquals(2, imports.size());
    assertEquals("java.util.HashMap", ((ImportDescr) imports.get(0)).getTarget());
    assertEquals("org.drools.mvel.compiler.*", ((ImportDescr) imports.get(1)).getTarget());
    final List globals = packageDescr.getGlobals();
    assertEquals(2, globals.size());
    final GlobalDescr x = (GlobalDescr) globals.get(0);
    final GlobalDescr yada = (GlobalDescr) globals.get(1);
    assertEquals("com.sample.X", x.getType());
    assertEquals("x", x.getIdentifier());
    assertEquals("com.sample.Yada", yada.getType());
    assertEquals("yada", yada.getIdentifier());
    final FunctionDescr functionDescr = (FunctionDescr) packageDescr.getFunctions().get(0);
    final List names = functionDescr.getParameterNames();
    assertEquals("foo", names.get(0));
    assertEquals("bada", names.get(1));
    final List types = functionDescr.getParameterTypes();
    assertEquals("Bar", types.get(0));
    assertEquals("Bing", types.get(1));
    assertEquals("System.out.println(\"hello world\");", functionDescr.getText().trim());
    final RuleDescr ruleDescr = (RuleDescr) packageDescr.getRules().get(0);
    assertEquals("my rule", ruleDescr.getName());
    final String consequence = (String) ruleDescr.getConsequence();
    assertNotNull(consequence);
    assertEquals("System.out.println( \"hello\" );", consequence.trim());
}

Example 7 with RuleDescr

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

the class XmlPackageReaderTest method testAccumulateMultiPattern.

@Test
public void testAccumulateMultiPattern() throws Exception {
    final XmlPackageReader xmlPackageReader = getXmReader();
    xmlPackageReader.read(new InputStreamReader(getClass().getResourceAsStream("test_ParseAccumulate.xml")));
    final PackageDescr packageDescr = xmlPackageReader.getPackageDescr();
    assertNotNull(packageDescr);
    RuleDescr obj = (RuleDescr) packageDescr.getRules().get(1);
    Object patternobj = obj.getLhs().getDescrs().get(0);
    assertTrue(patternobj instanceof PatternDescr);
    final PatternDescr patterncheese = (PatternDescr) patternobj;
    assertEquals(patterncheese.getIdentifier(), "cheese");
    assertEquals(patterncheese.getObjectType(), "Cheese");
    AccumulateDescr accumulatedescr = (AccumulateDescr) patterncheese.getSource();
    assertEquals("total += $cheese.getPrice();", accumulatedescr.getActionCode());
    assertEquals("int total = 0;", accumulatedescr.getInitCode());
    assertEquals("new Integer( total ) );", accumulatedescr.getResultCode());
    AndDescr anddescr = (AndDescr) accumulatedescr.getInput();
    List descrlist = anddescr.getDescrs();
    PatternDescr[] listpattern = (PatternDescr[]) descrlist.toArray(new PatternDescr[descrlist.size()]);
    assertEquals(listpattern[0].getObjectType(), "Milk");
    assertEquals(listpattern[1].getObjectType(), "Cup");
}

Example 8 with RuleDescr

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

the class RuleBuilderTest method testBuildBigDecimalLiteralConstraint.

@Test
public void testBuildBigDecimalLiteralConstraint() throws Exception {
    final PackageDescr pkgDescr = new PackageDescr("org.drools");
    final RuleDescr ruleDescr = new RuleDescr("Test Rule");
    AndDescr andDescr = new AndDescr();
    PatternDescr patDescr = new PatternDescr("java.math.BigDecimal", "$bd");
    ExprConstraintDescr fcd = new ExprConstraintDescr("this == 10");
    patDescr.addConstraint(fcd);
    andDescr.addDescr(patDescr);
    ruleDescr.setLhs(andDescr);
    ruleDescr.setConsequence("");
    pkgDescr.addRule(ruleDescr);
    final KnowledgeBuilderImpl kBuilder = new KnowledgeBuilderImpl();
    kBuilder.addPackage(pkgDescr);
    assertTrue(kBuilder.getErrors().toString(), kBuilder.getErrors().isEmpty());
    final RuleImpl rule = kBuilder.getPackages()[0].getRule("Test Rule");
    final GroupElement and = rule.getLhs();
    final Pattern pat = (Pattern) and.getChildren().get(0);
    if (pat.getConstraints().get(0) instanceof MVELConstraint) {
        final MVELConstraint fc = (MVELConstraint) pat.getConstraints().get(0);
        assertTrue("Wrong class. Expected java.math.BigDecimal. Found: " + fc.getField().getValue().getClass(), fc.getField().getValue() instanceof BigDecimal);
    }
}

Example 9 with RuleDescr

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

the class RuleBuilderTest method testBuildDurationExpression.

@Test
public void testBuildDurationExpression() throws Exception {
    // creates mock objects
    final RuleBuildContext context = mock(RuleBuildContext.class);
    final RuleImpl rule = mock(RuleImpl.class);
    // creates input object
    final RuleDescr ruleDescr = new RuleDescr("my rule");
    ruleDescr.addAttribute(new AttributeDescr("duration", "( 1h30m )"));
    ruleDescr.addAttribute(new AttributeDescr("calendars", "[\"cal1\", \"cal2\"]"));
    // defining expectations on the mock object
    when(context.getRule()).thenReturn(rule);
    when(context.getRuleDescr()).thenReturn(ruleDescr);
    // calling the build method
    RuleBuilder.buildAttributes(context);
    // check expectations
    verify(rule).setTimer(new IntervalTimer(null, null, -1, TimeUtils.parseTimeString("1h30m"), 0));
    verify(rule).setCalendars(new String[] { "cal1", "cal2" });
}

Example 10 with RuleDescr

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

the class RuleBuilderTest method testBuildMetaAttributes.

@Test
public void testBuildMetaAttributes() throws Exception {
    // creates mock objects
    final RuleBuildContext context = mock(RuleBuildContext.class);
    final RuleImpl rule = mock(RuleImpl.class);
    // creates input object
    final RuleDescr ruleDescr = new RuleDescr("my rule");
    ruleDescr.addAnnotation("ruleId", "123");
    ruleDescr.addAnnotation("author", "Bob Doe");
    ruleDescr.addAnnotation("text", "\"It's a quoted\\\" string\"");
    // creates expected results
    // defining expectations on the mock object
    when(context.getRule()).thenReturn(rule);
    when(context.getRuleDescr()).thenReturn(ruleDescr);
    when(context.getKnowledgeBuilder()).thenReturn(new KnowledgeBuilderImpl());
    // calling the build method
    RuleBuilder.buildMetaAttributes(context);
    // check expectations
    verify(rule).addMetaAttribute("ruleId", 123);
    verify(rule).addMetaAttribute("author", "Bob Doe");
    verify(rule).addMetaAttribute("text", "It's a quoted\" string");
}