How to use

getOrElse

method

in

org.kie.dmn.feel.util.Either

/**
 * {@link #getDefinedValue(Object, String)} method instead.
 * @deprecated this method cannot distinguish null because: 1. property undefined for current, 2. an error, 3. a properly defined property value valorized to null. 
 * 
 */
public static Object getValue(final Object current, final String property) {
  return getDefinedValue(current, property).getValueResult().getOrElse(null);
}

@Override
public Object getValue(String symbol) {
  symbol = EvalHelper.normalizeVariableName( symbol );
  if (rootObject != null) {
    PropertyValueResult dv = EvalHelper.getDefinedValue(rootObject, symbol);
    if (dv.isDefined()) {
      return dv.getValueResult().getOrElse(null);
    }
  }
  if ( variables.containsKey( symbol ) ) {
    return variables.get( symbol );
  }
  if ( parentFrame != null ) {
    return parentFrame.getValue( symbol );
  }
  return null;
}

@Test
public void testLocateInNSAliased() {
  final Import i = makeImport("nsA", "aliased", "m1");
  final List<QName> available = Arrays.asList(new QName("nsA", "m1"),
                        new QName("nsA", "m2"),
                        new QName("nsB", "m3"));
  final Either<String, QName> result = ImportDMNResolverUtil.resolveImportDMN(i, available, Function.identity());
  assertTrue(result.isRight());
  assertEquals(new QName("nsA", "m1"), result.getOrElse(null));
}

@Test
public void testNSandModelName() {
  final Import i = makeImport("ns1", null, "m1");
  final List<QName> available = Arrays.asList(new QName("ns1", "m1"),
                        new QName("ns2", "m2"),
                        new QName("ns3", "m3"));
  final Either<String, QName> result = ImportDMNResolverUtil.resolveImportDMN(i, available, Function.identity());
  assertTrue(result.isRight());
  assertEquals(new QName("ns1", "m1"), result.getOrElse(null));
}

@Test
public void testNSnoModelNameWithAlias() {
  final Import i = makeImport("ns1", "mymodel", null);
  final List<QName> available = Arrays.asList(new QName("ns1", "m1"),
                        new QName("ns2", "m2"),
                        new QName("ns3", "m3"));
  final Either<String, QName> result = ImportDMNResolverUtil.resolveImportDMN(i, available, Function.identity());
  assertTrue(result.isRight());
  assertEquals(new QName("ns1", "m1"), result.getOrElse(null));
}

@Test
public void testNSonly() {
  final Import i = makeImport("ns1", null, null);
  final List<QName> available = Arrays.asList(new QName("ns1", "m1"),
                        new QName("ns2", "m2"),
                        new QName("ns3", "m3"));
  final Either<String, QName> result = ImportDMNResolverUtil.resolveImportDMN(i, available, Function.identity());
  assertTrue(result.isRight());
  assertEquals(new QName("ns1", "m1"), result.getOrElse(null));
}

@Test
public void testNSandModelNameWithAlias() {
  final Import i = makeImport("ns1", "aliased", "m1");
  final List<QName> available = Arrays.asList(new QName("ns1", "m1"),
                        new QName("ns2", "m2"),
                        new QName("ns3", "m3"));
  final Either<String, QName> result = ImportDMNResolverUtil.resolveImportDMN(i, available, Function.identity());
  assertTrue(result.isRight());
  assertEquals(new QName("ns1", "m1"), result.getOrElse(null));
}

@Test
public void testNSnoModelNameDefaultWithAlias2() {
  final Import i = makeImport("ns1", "boh", null);
  final List<QName> available = Arrays.asList(new QName("ns1", "m1"),
                        new QName("ns2", "m2"),
                        new QName("ns3", "m3"));
  final Either<String, QName> result = ImportDMNResolverUtil.resolveImportDMN(i, available, Function.identity());
  assertTrue(result.isRight());
  assertEquals(new QName("ns1", "m1"), result.getOrElse(null));
}

@Test
public void testLocateInNS() {
  final Import i = makeImport("nsA", null, "m1");
  final List<QName> available = Arrays.asList(new QName("nsA", "m1"),
                        new QName("nsA", "m2"),
                        new QName("nsB", "m3"));
  final Either<String, QName> result = ImportDMNResolverUtil.resolveImportDMN(i, available, Function.identity());
  assertTrue(result.isRight());
  assertEquals(new QName("nsA", "m1"), result.getOrElse(null));
}