Examples with IntCell org.knime.core.data.def.IntCell used on opensource projects

Example 26 with IntCell

use of org.knime.core.data.def.IntCell in project knime-core by knime.

the class ColorExtractNodeModel method extractColorTable.

/**
 * @param nom
 * @return
 * @throws InvalidSettingsException
 */
private DataTable extractColorTable(final ColorModelNominal nom) throws InvalidSettingsException {
    DataType superType = null;
    for (DataCell c : nom) {
        if (superType == null) {
            superType = c.getType();
        } else {
            superType = DataType.getCommonSuperType(superType, c.getType());
        }
    }
    if (superType == null) {
        throw new InvalidSettingsException("No nominal values in model");
    }
    DataTableSpec spec = createSpec(superType);
    DataContainer cnt = new DataContainer(spec);
    int counter = 0;
    for (DataCell c : nom) {
        Color clr = nom.getColorAttr(c).getColor();
        DataRow row = new DefaultRow(RowKey.createRowKey(counter++), c, new IntCell(clr.getRed()), new IntCell(clr.getGreen()), new IntCell(clr.getBlue()), new IntCell(clr.getAlpha()), new IntCell(clr.getRGB()));
        cnt.addRowToTable(row);
    }
    cnt.close();
    return cnt.getTable();
}

Example 27 with IntCell

use of org.knime.core.data.def.IntCell in project knime-core by knime.

the class ExtensionPointTest method testJavaToDataCell.

/**
 * Test whether {@link StringToIntCellTestConverterFactory} was correctly registered at the
 * "org.knime.core.JavaToDataCellConverter" extension point and can be used for conversion.
 *
 * @throws Exception When something went wrong
 */
@Test
public void testJavaToDataCell() throws Exception {
    final Optional<JavaToDataCellConverterFactory<String>> factory = JavaToDataCellConverterRegistry.getInstance().getConverterFactories(String.class, IntCell.TYPE).stream().findFirst();
    assertTrue(factory.isPresent());
    final JavaToDataCellConverter<String> converter = factory.get().create(null);
    assertNotNull(converter);
    final IntCell convert = (IntCell) converter.convert("Answer to Life, the Universe, and Everything");
    assertEquals(convert.getIntValue(), 42);
}

Example 28 with IntCell

use of org.knime.core.data.def.IntCell in project knime-core by knime.

the class DataTableDomainCreatorTest method testInitBounds.

/**
 * Checks whether bounds are initialized correctly if requested.
 */
@Test
public void testInitBounds() {
    DataColumnSpecCreator colSpecCrea = new DataColumnSpecCreator("Int col", IntCell.TYPE);
    DataColumnDomainCreator domainCrea = new DataColumnDomainCreator();
    domainCrea.setLowerBound(new IntCell(-2));
    domainCrea.setUpperBound(new IntCell(2));
    colSpecCrea.setDomain(domainCrea.createDomain());
    DataColumnSpec intColSpec = colSpecCrea.createSpec();
    DataTableSpec tableSpec = new DataTableSpec(intColSpec);
    RowKey rowKey = new RowKey("Row0");
    DataTableDomainCreator domainCreator = new DataTableDomainCreator(tableSpec, true);
    // check initialized bounds
    DataColumnDomain colDomain = domainCreator.createSpec().getColumnSpec(0).getDomain();
    assertThat("Unexpected lower bound", colDomain.getLowerBound(), is((DataCell) new IntCell(-2)));
    assertThat("Unexpected upper bound", colDomain.getUpperBound(), is((DataCell) new IntCell(2)));
    domainCreator.updateDomain(new DefaultRow(rowKey, new IntCell(1)));
    colDomain = domainCreator.createSpec().getColumnSpec(0).getDomain();
    assertThat("Unexpected lower bound", colDomain.getLowerBound(), is((DataCell) new IntCell(-2)));
    assertThat("Unexpected upper bound", colDomain.getUpperBound(), is((DataCell) new IntCell(2)));
    domainCreator.updateDomain(new DefaultRow(rowKey, new IntCell(3)));
    colDomain = domainCreator.createSpec().getColumnSpec(0).getDomain();
    assertThat("Unexpected lower bound", colDomain.getLowerBound(), is((DataCell) new IntCell(-2)));
    assertThat("Unexpected upper bound", colDomain.getUpperBound(), is((DataCell) new IntCell(3)));
    domainCreator.updateDomain(new DefaultRow(rowKey, new IntCell(-3)));
    colDomain = domainCreator.createSpec().getColumnSpec(0).getDomain();
    assertThat("Unexpected lower bound", colDomain.getLowerBound(), is((DataCell) new IntCell(-3)));
    assertThat("Unexpected upper bound", colDomain.getUpperBound(), is((DataCell) new IntCell(3)));
}

Example 29 with IntCell

use of org.knime.core.data.def.IntCell in project knime-core by knime.

the class DataContainerTest method generateRows.

private static RowIterator generateRows(final int count) {
    return new RowIterator() {

        private int m_index = 0;

        @Override
        public DataRow next() {
            DefaultRow r = new DefaultRow(RowKey.createRowKey(m_index), new StringCell("String " + m_index), new IntCell(m_index), new DoubleCell(m_index));
            m_index++;
            return r;
        }

        @Override
        public boolean hasNext() {
            return m_index < count;
        }
    };
}

Example 30 with IntCell

use of org.knime.core.data.def.IntCell in project knime-core by knime.

the class DataContainerTest method testDuplicateKey.

/**
 * method being tested: addRowToTable().
 */
public final void testDuplicateKey() {
    String[] colNames = new String[] { "Column 1", "Column 2" };
    DataType[] colTypes = new DataType[] { StringCell.TYPE, IntCell.TYPE };
    DataTableSpec spec1 = new DataTableSpec(colNames, colTypes);
    DataContainer c = new DataContainer(spec1);
    RowKey r1Key = new RowKey("row 1");
    DataCell r1Cell1 = new StringCell("Row 1, Cell 1");
    DataCell r1Cell2 = new IntCell(12);
    DataRow r1 = new DefaultRow(r1Key, new DataCell[] { r1Cell1, r1Cell2 });
    RowKey r2Key = new RowKey("row 2");
    DataCell r2Cell1 = new StringCell("Row 2, Cell 1");
    DataCell r2Cell2 = new IntCell(22);
    DataRow r2 = new DefaultRow(r2Key, new DataCell[] { r2Cell1, r2Cell2 });
    c.addRowToTable(r1);
    c.addRowToTable(r2);
    // add row 1 twice
    try {
        c.addRowToTable(r1);
        c.close();
        // ... eh eh, you don't do this
        fail("Expected " + DuplicateKeyException.class + " not thrown");
    } catch (DuplicateKeyException e) {
        NodeLogger.getLogger(getClass()).debug("Got expected exception: " + e.getClass(), e);
    }
}