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

Example 81 with PatternDescr

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

the class KiePMMLDescrLhsFactoryTest method declareConstraintsOr.

@Test
public void declareConstraintsOr() {
    String temperatureField = "TEMPERATURE";
    String humidityField = "HUMIDITY";
    List<KiePMMLFieldOperatorValue> kiePMMLOperatorValues = Arrays.asList(new KiePMMLFieldOperatorValue(temperatureField, BOOLEAN_OPERATOR.AND, Collections.singletonList(new KiePMMLOperatorValue(OPERATOR.LESS_THAN, 35)), null), new KiePMMLFieldOperatorValue(humidityField, BOOLEAN_OPERATOR.OR, Collections.singletonList(new KiePMMLOperatorValue(OPERATOR.GREATER_THAN, 85)), null));
    KiePMMLDescrLhsFactory.factory(lhsBuilder).declareConstraintsAndOr(kiePMMLOperatorValues, lhsBuilder.or());
    assertNotNull(lhsBuilder.getDescr());
    assertEquals(1, lhsBuilder.getDescr().getDescrs().size());
    assertTrue(lhsBuilder.getDescr().getDescrs().get(0) instanceof OrDescr);
    OrDescr baseOrDescr = (OrDescr) lhsBuilder.getDescr().getDescrs().get(0);
    final List<BaseDescr> descrs = baseOrDescr.getDescrs();
    assertNotNull(descrs);
    assertEquals(2, descrs.size());
    // First KiePMMLFieldOperatorValue
    assertTrue(descrs.get(0) instanceof PatternDescr);
    PatternDescr patternDescr = (PatternDescr) descrs.get(0);
    assertEquals(temperatureField, patternDescr.getObjectType());
    assertNull(patternDescr.getIdentifier());
    assertTrue(patternDescr.getConstraint() instanceof AndDescr);
    AndDescr andDescr = (AndDescr) patternDescr.getConstraint();
    assertEquals(1, andDescr.getDescrs().size());
    assertTrue(andDescr.getDescrs().get(0) instanceof ExprConstraintDescr);
    ExprConstraintDescr exprConstraintDescr = (ExprConstraintDescr) andDescr.getDescrs().get(0);
    assertFalse(exprConstraintDescr.isNegated());
    assertEquals(ExprConstraintDescr.Type.NAMED, exprConstraintDescr.getType());
    String expected = "value < 35";
    assertEquals(expected, exprConstraintDescr.getExpression());
    // Second KiePMMLFieldOperatorValue
    assertTrue(descrs.get(1) instanceof PatternDescr);
    patternDescr = (PatternDescr) descrs.get(1);
    assertEquals(humidityField, patternDescr.getObjectType());
    assertNull(patternDescr.getIdentifier());
    assertTrue(patternDescr.getConstraint() instanceof AndDescr);
    andDescr = (AndDescr) patternDescr.getConstraint();
    assertEquals(1, andDescr.getDescrs().size());
    assertTrue(andDescr.getDescrs().get(0) instanceof ExprConstraintDescr);
    exprConstraintDescr = (ExprConstraintDescr) andDescr.getDescrs().get(0);
    assertFalse(exprConstraintDescr.isNegated());
    assertEquals(ExprConstraintDescr.Type.NAMED, exprConstraintDescr.getType());
    expected = "value > 85";
    assertEquals(expected, exprConstraintDescr.getExpression());
}

Example 82 with PatternDescr

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

the class KiePMMLDescrLhsFactoryTest method declareConstraintIn.

@Test
public void declareConstraintIn() {
    List<Object> values = Arrays.asList("-5", "0.5", "1", "10");
    String patternType = "INPUT1";
    KiePMMLDescrLhsFactory.factory(lhsBuilder).declareConstraintIn(patternType, values);
    final List<BaseDescr> descrs = lhsBuilder.getDescr().getDescrs();
    assertNotNull(descrs);
    assertEquals(1, descrs.size());
    assertTrue(descrs.get(0) instanceof PatternDescr);
    PatternDescr patternDescr = (PatternDescr) descrs.get(0);
    assertEquals(patternType, patternDescr.getObjectType());
    assertNull(patternDescr.getIdentifier());
    assertTrue(patternDescr.getConstraint() instanceof AndDescr);
    AndDescr andDescr = (AndDescr) patternDescr.getConstraint();
    assertEquals(1, andDescr.getDescrs().size());
    assertTrue(andDescr.getDescrs().get(0) instanceof ExprConstraintDescr);
    ExprConstraintDescr exprConstraintDescr = (ExprConstraintDescr) andDescr.getDescrs().get(0);
    assertFalse(exprConstraintDescr.isNegated());
    assertEquals(ExprConstraintDescr.Type.NAMED, exprConstraintDescr.getType());
    String expected = "value in (-5, 0.5, 1, 10)";
    assertEquals(expected, exprConstraintDescr.getExpression());
}

Example 83 with PatternDescr

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

the class ClassHierarchyManager method buildDescrsFromFields.

private static void buildDescrsFromFields(Class klass, TypeDeclarationDescr typeDescr, Map<String, TypeFieldDescr> fieldMap) {
    ClassFieldInspector inspector;
    try {
        inspector = CoreComponentsBuilder.get().createClassFieldInspector(klass);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    for (String name : inspector.getGetterMethods().keySet()) {
        // classFieldAccessor requires both getter and setter
        if (inspector.getSetterMethods().containsKey(name)) {
            if (!inspector.isNonGetter(name) && !"class".equals(name)) {
                Resource resource = typeDescr.getResource();
                PatternDescr patternDescr = new PatternDescr(inspector.getFieldType(name).getName());
                patternDescr.setResource(resource);
                TypeFieldDescr inheritedFlDescr = new TypeFieldDescr(name, patternDescr);
                inheritedFlDescr.setResource(resource);
                inheritedFlDescr.setInherited(!Modifier.isAbstract(inspector.getGetterMethods().get(name).getModifiers()));
                if (!fieldMap.containsKey(inheritedFlDescr.getFieldName()))
                    fieldMap.put(inheritedFlDescr.getFieldName(), inheritedFlDescr);
            }
        }
    }
}

Example 84 with PatternDescr

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

the class JavaAccumulateBuilderTest method testBuildRuleBuildContextBaseDescr.

@Test
public void testBuildRuleBuildContextBaseDescr() {
    // $total : Integer() from accumulate( Cheese( $price : price ) init( int x = 0; ) action( x += $price ) result( new Integer( x ) ) )
    AccumulateDescr accumDescr = new AccumulateDescr();
    BindingDescr price = new BindingDescr("$price", "price");
    PatternDescr cheeseDescr = new PatternDescr("org.drools.mvel.compiler.Cheese");
    cheeseDescr.addConstraint(price);
    accumDescr.setInputPattern(cheeseDescr);
    accumDescr.setInitCode("int x = 0; int y = 0;");
    accumDescr.setActionCode("x += $price;");
    accumDescr.setResultCode("new Integer( x )");
    // org.drools.core.rule.Package pkg = new org.kie.rule.Package( "org.kie" );
    final KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl();
    pkgBuilder.addPackage(new PackageDescr("org.drools"));
    final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
    PackageRegistry pkgReg = pkgBuilder.getPackageRegistry("org.drools");
    InternalKnowledgePackage pkg = pkgReg.getPackage();
    DialectCompiletimeRegistry dialectRegistry = pkgReg.getDialectCompiletimeRegistry();
    Dialect dialect = dialectRegistry.getDialect("java");
    RuleDescr ruleDescr = new RuleDescr("test rule");
    RuleBuildContext context = new RuleBuildContext(pkgBuilder, ruleDescr, dialectRegistry, pkg, dialect);
    Accumulate accumulate = (Accumulate) builder.build(context, accumDescr);
    String generatedCode = (String) context.getMethods().get(0);
    assertTrue(generatedCode.contains("private int x;"));
    assertTrue(generatedCode.contains("private int y;"));
    assertTrue(generatedCode.contains("x = 0;y = 0;"));
// System.out.println( context.getInvokers() );
// System.out.println( context.getMethods() );
}

Example 85 with PatternDescr

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

the class Misc2Test method testEvalConstraintWithMvelOperator.

@Test
public void testEvalConstraintWithMvelOperator() {
    String drl = "rule \"yeah\" " + "\tdialect \"mvel\"\n when " + "Foo( eval( field soundslike \"water\" ) )" + " then " + "end";
    DrlParser drlParser = new DrlParser();
    PackageDescr packageDescr;
    try {
        packageDescr = drlParser.parse(true, drl);
    } catch (DroolsParserException e) {
        throw new RuntimeException(e);
    }
    RuleDescr r = packageDescr.getRules().get(0);
    PatternDescr pd = (PatternDescr) r.getLhs().getDescrs().get(0);
    assertEquals(1, pd.getConstraint().getDescrs().size());
}