Examples with DecisionTable org.kie.dmn.model.api.DecisionTable used on opensource projects

Example 21 with DecisionTable

use of org.kie.dmn.model.api.DecisionTable in project drools by kiegroup.

the class XLS2DMNParser method parseWorkbook.

public void parseWorkbook(String dmnModelName, Workbook workbook) {
    Map<String, List<String>> overview = new HashMap<>();
    DataFormatter formatter = new DataFormatter();
    for (int s = 0; s < workbook.getNumberOfSheets(); s++) {
        Sheet sheet = workbook.getSheetAt(s);
        int maxRows = sheet.getLastRowNum();
        for (int i = 0; i <= maxRows; i++) {
            Row row = sheet.getRow(i);
            int lastCellNum = row != null ? row.getLastCellNum() : 0;
            if (lastCellNum == 0) {
                // skip empty row.
                continue;
            }
            List<String> header = new ArrayList<>();
            for (Cell c : row) {
                String text = formatter.formatCellValue(c);
                header.add(text);
            }
            overview.put(sheet.getSheetName(), header);
            // header found.
            break;
        }
    }
    overview.entrySet().forEach(e -> LOG.debug("{}", e));
    Map<String, DTHeaderInfo> headerInfos = generateDTHeaderInfo(overview);
    LOG.info("Sheets have been indexed as:");
    headerInfos.entrySet().forEach(e -> LOG.info("{}", e));
    Definitions definitions = new TDefinitions();
    setDefaultNSContext(definitions);
    definitions.setId("dmnid_" + dmnModelName);
    definitions.setName(dmnModelName);
    String namespace = "xls2dmn_" + UUID.randomUUID();
    definitions.setNamespace(namespace);
    definitions.getNsContext().put(XMLConstants.DEFAULT_NS_PREFIX, namespace);
    definitions.setExporter("kie-dmn-xls2dmn");
    appendInputData(definitions, headerInfos);
    appendDecisionDT(definitions, headerInfos);
    final Map<String, List<DataListener>> sheetListeners = new HashMap<>();
    for (DTHeaderInfo hi : headerInfos.values()) {
        String sheetName = hi.getSheetName();
        DRGElement drgElem = definitions.getDrgElement().stream().filter(e -> e.getName().equals(sheetName)).findFirst().orElseThrow(() -> new XLS2DMNException("Unable to locate DRG element for sheet: " + sheetName));
        DecisionTable dt = (DecisionTable) ((Decision) drgElem).getExpression();
        DTSheetListener listener = new DTSheetListener(dt, hi);
        sheetListeners.put(sheetName, Arrays.asList(listener));
    }
    new ExcelParser(sheetListeners).parseWorkbook(workbook);
    DMNMarshaller dmnMarshaller = DMNMarshallerFactory.newDefaultMarshaller();
    String xml = dmnMarshaller.marshal(definitions);
    try {
        Files.write(outFile.toPath(), xml.getBytes());
    } catch (IOException e) {
        LOG.error("Unable to write to outputfile.", e);
        throw new XLS2DMNException("Unable to write to outputfile", e);
    }
    LOG.debug("output XML can be displayed at trace level", xml);
    LOG.trace("output XML:\n{}", xml);
}

Example 22 with DecisionTable

use of org.kie.dmn.model.api.DecisionTable in project drools by kiegroup.

the class DecisionTableConverter method writeChildren.

@Override
protected void writeChildren(HierarchicalStreamWriter writer, MarshallingContext context, Object parent) {
    super.writeChildren(writer, context, parent);
    DecisionTable dt = (DecisionTable) parent;
    for (InputClause i : dt.getInput()) {
        writeChildrenNode(writer, context, i, INPUT);
    }
    for (OutputClause o : dt.getOutput()) {
        writeChildrenNode(writer, context, o, OUTPUT);
    }
    for (RuleAnnotationClause a : dt.getAnnotation()) {
        writeChildrenNode(writer, context, a, ANNOTATION);
    }
    for (DecisionRule r : dt.getRule()) {
        writeChildrenNode(writer, context, r, RULE);
    }
}

Example 23 with DecisionTable

use of org.kie.dmn.model.api.DecisionTable in project drools by kiegroup.

the class DecisionTableConverter method writeChildren.

@Override
protected void writeChildren(HierarchicalStreamWriter writer, MarshallingContext context, Object parent) {
    super.writeChildren(writer, context, parent);
    DecisionTable dt = (DecisionTable) parent;
    for (InputClause i : dt.getInput()) {
        writeChildrenNode(writer, context, i, INPUT);
    }
    for (OutputClause o : dt.getOutput()) {
        writeChildrenNode(writer, context, o, OUTPUT);
    }
    for (RuleAnnotationClause a : dt.getAnnotation()) {
        writeChildrenNode(writer, context, a, ANNOTATION);
    }
    for (DecisionRule r : dt.getRule()) {
        writeChildrenNode(writer, context, r, RULE);
    }
}

Example 24 with DecisionTable

use of org.kie.dmn.model.api.DecisionTable in project kie-wb-common by kiegroup.

the class DMNMarshallerStandaloneTest method test_DecisionTableInputOutputClausesWhenEmpty.

@Test
public void test_DecisionTableInputOutputClausesWhenEmpty() throws IOException {
    DMNRuntime runtime = roundTripUnmarshalMarshalThenUnmarshalDMN(this.getClass().getResourceAsStream("/qGslQdo2.dmn"));
    Assert.assertNotNull(runtime);
    DMNModel model = runtime.getModel("https://github.com/kiegroup/drools/kie-dmn/_A2C75C01-7EAD-46B8-A499-D85D6C07D273", "_5FE8CBFD-821B-41F6-A6C7-42BE3FC45F2F");
    Assert.assertNotNull(model);
    assertThat(model.hasErrors(), is(false));
    DMNContext dmnContext = runtime.newContext();
    dmnContext.set("my number", -99);
    DMNResult dmnResult = runtime.evaluateAll(model, dmnContext);
    LOG.debug("{}", dmnResult);
    assertThat(dmnResult.hasErrors(), is(false));
    assertThat(dmnResult.getDecisionResultByName("my decision").getEvaluationStatus(), is(DecisionEvaluationStatus.SUCCEEDED));
    assertThat(dmnResult.getDecisionResultByName("my decision").getResult(), is("negative"));
    org.kie.dmn.model.api.DecisionTable dmnDT = (DecisionTable) model.getDecisionByName("my decision").getDecision().getExpression();
    // DROOLS-3262
    assertThat(dmnDT.getInput().get(0).getInputValues(), nullValue());
    // DROOLS-3262
    assertThat(dmnDT.getOutput().get(0).getOutputValues(), nullValue());
    // DROOLS-3262
    assertThat(dmnDT.getOutput().get(0).getDefaultOutputEntry(), nullValue());
    // DROOLS-3281
    assertThat(dmnDT.getOutput().get(0).getName(), nullValue());
}