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

Example 96 with DefaultRow

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

the class AffineTransRowIterator method next.

/**
 * {@inheritDoc}
 */
@Override
public DataRow next() {
    AffineTransConfiguration config = m_transtable.getConfiguration();
    int[] indices = m_transtable.getIndicesInConfiguration();
    double[] scales = config.getScales();
    double[] translations = config.getTranslations();
    double[] min = config.getMin();
    double[] max = config.getMax();
    final DataRow in = m_it.next();
    final DataCell[] cells = new DataCell[in.getNumCells()];
    for (int i = 0; i < cells.length; i++) {
        final DataCell oldCell = in.getCell(i);
        if (oldCell.isMissing() || indices[i] == -1) {
            cells[i] = oldCell;
        } else {
            int index = indices[i];
            double interval = max[index] - min[index];
            double oldDouble = ((DoubleValue) oldCell).getDoubleValue();
            double newDouble = scales[index] * oldDouble + translations[index];
            if (!Double.isNaN(min[index])) {
                if (newDouble < min[index]) {
                    if ((min[index] - newDouble) / interval < AffineTransTable.VERY_SMALL) {
                        newDouble = min[index];
                    } else {
                        m_transtable.setErrorMessage("Normalized value is out of bounds." + " Original value: " + oldDouble + " Transformed value: " + newDouble + " Lower Bound: " + min[index]);
                    }
                }
            }
            if (!Double.isNaN(max[index])) {
                if (newDouble > max[index]) {
                    if ((newDouble - max[index]) / interval < AffineTransTable.VERY_SMALL) {
                        newDouble = max[index];
                    } else {
                        m_transtable.setErrorMessage("Normalized value is out of bounds." + " Original value: " + oldDouble + " Transformed value: " + newDouble + " Upper Bound: " + max[index]);
                    }
                }
            }
            cells[i] = new DoubleCell(newDouble);
        }
    }
    return new DefaultRow(in.getKey(), cells);
}

Example 97 with DefaultRow

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

the class VariableToTable2NodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected PortObject[] execute(final PortObject[] inData, final ExecutionContext exec) throws Exception {
    DataTableSpec spec = createOutSpec();
    BufferedDataContainer cont = exec.createDataContainer(spec);
    List<Pair<String, FlowVariable.Type>> vars = getVariablesOfInterest();
    DataCell[] specs = new DataCell[vars.size()];
    List<String> lostVariables = new ArrayList<String>();
    for (int i = 0; i < vars.size(); i++) {
        Pair<String, FlowVariable.Type> c = vars.get(i);
        String name = c.getFirst();
        // fallback
        DataCell cell = DataType.getMissingCell();
        switch(c.getSecond()) {
            case DOUBLE:
                try {
                    double dValue = peekFlowVariableDouble(c.getFirst());
                    cell = new DoubleCell(dValue);
                } catch (NoSuchElementException e) {
                    lostVariables.add(name + " (Double)");
                }
                break;
            case INTEGER:
                try {
                    int iValue = peekFlowVariableInt(c.getFirst());
                    cell = new IntCell(iValue);
                } catch (NoSuchElementException e) {
                    lostVariables.add(name + " (Integer)");
                }
                break;
            case STRING:
                try {
                    String sValue = peekFlowVariableString(c.getFirst());
                    sValue = sValue == null ? "" : sValue;
                    cell = new StringCell(sValue);
                } catch (NoSuchElementException e) {
                    lostVariables.add(name + " (String)");
                }
                break;
        }
        specs[i] = cell;
    }
    cont.addRowToTable(new DefaultRow(m_rowID.getStringValue(), specs));
    cont.close();
    return new BufferedDataTable[] { cont.getTable() };
}

Example 98 with DefaultRow

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

the class ExpressionFactoryTest method setUp.

/**
 * Sets up the mock objects.
 *
 * @throws java.lang.Exception Should not happen.
 */
@Before
public void setUp() throws Exception {
    final Map<String, Map<String, String>> emptyMap = Collections.emptyMap();
    m_mockBoolExpression = new Expression.Base() {

        @Override
        public List<DataType> getInputArgs() {
            return Collections.emptyList();
        }

        @Override
        public DataType getOutputType() {
            return BooleanCell.TYPE;
        }

        @Override
        public ExpressionValue evaluate(final DataRow row, final VariableProvider provider) {
            final DataCell cell;
            switch(Integer.parseInt(row.getKey().getString())) {
                case 0:
                    cell = BooleanCell.TRUE;
                    break;
                case 1:
                    cell = BooleanCell.FALSE;
                    break;
                case 2:
                    cell = BooleanCell.TRUE;
                    break;
                case 3:
                    cell = BooleanCell.FALSE;
                    break;
                case 4:
                    cell = DataType.getMissingCell();
                    break;
                default:
                    throw new UnsupportedOperationException();
            }
            return new ExpressionValue(cell, emptyMap);
        }

        @Override
        public boolean isConstant() {
            return false;
        }

        @Override
        public ASTType getTreeType() {
            return ASTType.ColRef;
        }
    };
    m_mockBoolExpressionOther = new Expression.Base() {

        @Override
        public boolean isConstant() {
            return false;
        }

        @Override
        public DataType getOutputType() {
            return BooleanCell.TYPE;
        }

        @Override
        public List<DataType> getInputArgs() {
            return Collections.emptyList();
        }

        @Override
        public ExpressionValue evaluate(final DataRow row, final VariableProvider provider) {
            final DataCell cell;
            switch(Integer.parseInt(row.getKey().getString())) {
                case 0:
                    cell = BooleanCell.TRUE;
                    break;
                case 1:
                    cell = BooleanCell.TRUE;
                    break;
                case 2:
                    cell = BooleanCell.FALSE;
                    break;
                case 3:
                    cell = BooleanCell.FALSE;
                    break;
                case 4:
                    cell = BooleanCell.TRUE;
                    break;
                default:
                    throw new UnsupportedOperationException();
            }
            return new ExpressionValue(cell, emptyMap);
        }

        @Override
        public ASTType getTreeType() {
            return ASTType.ColRef;
        }
    };
    final DefaultRow row = new DefaultRow(new RowKey("x"), new DataCell[0]);
    m_rows = new DataRow[] { new DefaultRow(new RowKey("0"), row), new DefaultRow(new RowKey("1"), row), new DefaultRow(new RowKey("2"), row), new DefaultRow(new RowKey("3"), row), new DefaultRow(new RowKey("4"), new DataCell[] { DataType.getMissingCell() }) };
}

Example 99 with DefaultRow

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

the class ExpressionFactoryTest method testColumnRef.

/**
 * Test method for {@link ExpressionFactory#columnRef(DataTableSpec, java.lang.String)} .
 */
@Test
public void testColumnRef() {
    final DefaultRow row0 = new DefaultRow(new RowKey("0"), new IntCell(3));
    final DefaultRow row1 = new DefaultRow(new RowKey("1"), new IntCell(3), new DoubleCell(3.14159));
    final DefaultRow row2 = new DefaultRow(new RowKey("1"), new DoubleCell(3.14159), new StringCell("Hi"));
    final ExpressionValue firstVal = m_factory.columnRef(new DataTableSpec(new String[] { "Num" }, new DataType[] { IntCell.TYPE }), "Num").evaluate(row0, null);
    assertEquals(row0.getCell(0), firstVal.getValue());
    assertEquals(row1.getCell(0), m_factory.columnRef(new DataTableSpec(new String[] { "Num", "Pi" }, new DataType[] { IntCell.TYPE, DoubleCell.TYPE }), "Num").evaluate(row0, null).getValue());
    final ExpressionValue secondVal = m_factory.columnRef(new DataTableSpec(new String[] { "Num", "Pi" }, new DataType[] { IntCell.TYPE, DoubleCell.TYPE }), "Pi").evaluate(row1, null);
    assertEquals(row1.getCell(1), secondVal.getValue());
    final ExpressionValue thirdVal = m_factory.columnRef(new DataTableSpec(new String[] { "Pi", "Greeting" }, new DataType[] { DoubleCell.TYPE, StringCell.TYPE }), "Greeting").evaluate(row2, null);
    assertEquals(row2.getCell(1), thirdVal.getValue());
}

Example 100 with DefaultRow

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

the class ExpressionFactoryTest method testColumnRefForMissing.

/**
 * Test method for {@link ExpressionFactory#columnRefForMissing(DataTableSpec, String)} .
 */
@Test
public void testColumnRefForMissing() {
    final DefaultRow row0 = new DefaultRow(new RowKey("0"), DataType.getMissingCell());
    final ExpressionValue firstVal = m_factory.columnRef(new DataTableSpec(new String[] { "Num" }, new DataType[] { IntCell.TYPE }), "Num").evaluate(row0, null);
    assertEquals(row0.getCell(0), firstVal.getValue());
    assertEquals(BooleanCell.FALSE, m_factory.columnRef(new DataTableSpec(new String[] { "Bool" }, new DataType[] { BooleanCell.TYPE }), "Bool").evaluate(row0, null).getValue());
    final ExpressionValue secondVal = m_factory.columnRefForMissing(new DataTableSpec(new String[] { "Bool" }, new DataType[] { BooleanCell.TYPE }), "Bool").evaluate(row0, null);
    assertEquals(row0.getCell(0), secondVal.getValue());
}