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

Example 81 with RuleDescr

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

the class XmlPackageReaderTest method testParseFrom.

@Test
public void testParseFrom() throws Exception {
    final XmlPackageReader xmlPackageReader = getXmReader();
    xmlPackageReader.read(new InputStreamReader(getClass().getResourceAsStream("test_ParseFrom.xml")));
    final PackageDescr packageDescr = xmlPackageReader.getPackageDescr();
    assertNotNull(packageDescr);
    RuleDescr obj = (RuleDescr) packageDescr.getRules().get(0);
    PatternDescr patterndescr = (PatternDescr) obj.getLhs().getDescrs().get(0);
    FromDescr from = (FromDescr) patterndescr.getSource();
    MVELExprDescr accessordescriptor = (MVELExprDescr) from.getDataSource();
    assertEquals("cheesery.getCheeses(i+4)", accessordescriptor.getExpression());
    assertEquals(patterndescr.getObjectType(), "Cheese");
    assertEquals(patterndescr.getIdentifier(), "cheese");
}

Example 82 with RuleDescr

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

the class XmlPackageReaderTest method testParseExists.

@Test
public void testParseExists() throws Exception {
    final XmlPackageReader xmlPackageReader = getXmReader();
    xmlPackageReader.read(new InputStreamReader(getClass().getResourceAsStream("test_ParseExists.xml")));
    final PackageDescr packageDescr = xmlPackageReader.getPackageDescr();
    assertNotNull(packageDescr);
    RuleDescr obj = (RuleDescr) packageDescr.getRules().get(0);
    Object existdescr = obj.getLhs().getDescrs().get(0);
    assertTrue(existdescr instanceof ExistsDescr);
    Object patternDescriptor = ((ExistsDescr) existdescr).getDescrs().get(0);
    assertTrue(patternDescriptor instanceof PatternDescr);
    assertEquals(((PatternDescr) patternDescriptor).getObjectType(), "Person");
    Object notDescr = obj.getLhs().getDescrs().get(1);
    assertEquals(notDescr.getClass().getName(), NotDescr.class.getName());
    existdescr = ((NotDescr) notDescr).getDescrs().get(0);
    patternDescriptor = ((ExistsDescr) existdescr).getDescrs().get(0);
    assertTrue(patternDescriptor instanceof PatternDescr);
    assertEquals(((PatternDescr) patternDescriptor).getObjectType(), "Cheese");
}

Example 83 with RuleDescr

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

the class XmlPackageReaderTest method testParseForall.

@Test
public void testParseForall() throws Exception {
    final XmlPackageReader xmlPackageReader = getXmReader();
    xmlPackageReader.read(new InputStreamReader(getClass().getResourceAsStream("test_ParseForall.xml")));
    final PackageDescr packageDescr = xmlPackageReader.getPackageDescr();
    assertNotNull(packageDescr);
    RuleDescr obj = (RuleDescr) packageDescr.getRules().get(0);
    ForallDescr forall = (ForallDescr) obj.getLhs().getDescrs().get(0);
    List forallPaterns = forall.getDescrs();
    PatternDescr pattarnState = (PatternDescr) forallPaterns.get(0);
    PatternDescr personState = (PatternDescr) forallPaterns.get(1);
    PatternDescr cheeseState = (PatternDescr) forallPaterns.get(2);
    assertEquals(pattarnState.getObjectType(), "State");
    assertEquals(personState.getObjectType(), "Person");
    assertEquals(cheeseState.getObjectType(), "Cheese");
}

Example 84 with RuleDescr

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

the class XmlPackageReaderTest method testAccumulate.

@Test
public void testAccumulate() 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(0);
    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());
    patternobj = obj.getLhs().getDescrs().get(1);
    assertTrue(patternobj instanceof PatternDescr);
    final PatternDescr patternmax = (PatternDescr) patternobj;
    assertEquals(patternmax.getIdentifier(), "max");
    assertEquals(patternmax.getObjectType(), "Number");
    accumulatedescr = (AccumulateDescr) patternmax.getSource();
    assertTrue(accumulatedescr.isExternalFunction());
    assertEquals("max", accumulatedescr.getFunctions().get(0).getFunction());
    assertNull(accumulatedescr.getInitCode());
    assertNull(accumulatedescr.getActionCode());
    assertNull(accumulatedescr.getResultCode());
    assertNull(accumulatedescr.getReverseCode());
}

Example 85 with RuleDescr

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

the class RuleModelDRLPersistenceImpl method getRuleModel.

private RuleModel getRuleModel(final ExpandedDRLInfo expandedDRLInfo, final PackageDataModelOracle dmo, final Collection<RuleModelIActionPersistenceExtension> extensions) throws RuleModelDRLPersistenceException {
    // De-serialize model
    RuleDescr ruleDescr = parseDrl(expandedDRLInfo);
    RuleModel model = new RuleModel();
    model.name = ruleDescr.getName();
    model.parentName = ruleDescr.getParentName();
    for (AnnotationDescr annotation : ruleDescr.getAnnotations()) {
        model.addMetadata(new RuleMetadata(annotation.getName(), annotation.getValuesAsString()));
    }
    // De-serialize Package name
    final String packageName = PackageNameParser.parsePackageName(expandedDRLInfo.plainDrl);
    model.setPackageName(packageName);
    // De-serialize imports
    final Imports imports = ImportsParser.parseImports(expandedDRLInfo.plainDrl);
    for (Import item : imports.getImports()) {
        model.getImports().addImport(item);
    }
    boolean isJavaDialect = parseAttributes(model, ruleDescr.getAttributes());
    Map<String, String> boundParams = parseLhs(model, ruleDescr.getLhs(), isJavaDialect, expandedDRLInfo, dmo);
    parseRhs(model, expandedDRLInfo.consequence != null ? expandedDRLInfo.consequence : (String) ruleDescr.getConsequence(), isJavaDialect, boundParams, expandedDRLInfo, dmo, extensions);
    return model;
}