Examples with DataTableSpec org.knime.core.data.DataTableSpec used on opensource projects

Example 31 with DataTableSpec

use of org.knime.core.data.DataTableSpec in project knime-core by knime.

the class TwoSampleTTestStatistics method getGroupTable.

/**
 * Get descriptive statistics.
 * @param exec the execution context
 * @return the descriptive statistics for each group
 */
public BufferedDataTable getGroupTable(final ExecutionContext exec) {
    DataTableSpec outSpec = getGroupStatisticsSpec();
    BufferedDataContainer cont = exec.createDataContainer(outSpec);
    int r = 0;
    for (List<DataCell> cells : getGroupStatisticsCells()) {
        cont.addRowToTable(new DefaultRow(RowKey.createRowKey(r), cells));
        r++;
    }
    cont.close();
    BufferedDataTable outTable = cont.getTable();
    return outTable;
}

Example 32 with DataTableSpec

use of org.knime.core.data.DataTableSpec in project knime-core by knime.

the class StringToDateTimeNodeModel method createColumnRearranger.

/**
 * {@inheritDoc}
 */
@Override
protected ColumnRearranger createColumnRearranger(final DataTableSpec inSpec) {
    final ColumnRearranger rearranger = new ColumnRearranger(inSpec);
    final String[] includeList = m_colSelect.applyTo(inSpec).getIncludes();
    final int[] includeIndeces = Arrays.stream(m_colSelect.applyTo(inSpec).getIncludes()).mapToInt(s -> inSpec.findColumnIndex(s)).toArray();
    int i = 0;
    for (String includedCol : includeList) {
        if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
            final DataColumnSpecCreator dataColumnSpecCreator = new DataColumnSpecCreator(includedCol, DateTimeType.valueOf(m_selectedType).getDataType());
            final StringToTimeCellFactory cellFac = new StringToTimeCellFactory(dataColumnSpecCreator.createSpec(), includeIndeces[i++]);
            rearranger.replace(cellFac, includedCol);
        } else {
            final DataColumnSpec dataColSpec = new UniqueNameGenerator(inSpec).newColumn(includedCol + m_suffix.getStringValue(), DateTimeType.valueOf(m_selectedType).getDataType());
            final StringToTimeCellFactory cellFac = new StringToTimeCellFactory(dataColSpec, includeIndeces[i++]);
            rearranger.append(cellFac);
        }
    }
    return rearranger;
}

Example 33 with DataTableSpec

use of org.knime.core.data.DataTableSpec in project knime-core by knime.

the class StringToDurationPeriodNodeModel method computeFinalOutputSpecs.

@Override
public PortObjectSpec[] computeFinalOutputSpecs(final StreamableOperatorInternals internals, final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    if (m_type.getStringValue().equals(OutputType.Automatic.name())) {
        final SimpleStreamableOperatorInternals simpleInternals = (SimpleStreamableOperatorInternals) internals;
        final Config config = simpleInternals.getConfig();
        final DataColumnSpec[] colSpecs = new DataColumnSpec[config.getInt("sizeRow")];
        for (int i = 0; i < colSpecs.length; i++) {
            final DataColumnSpecCreator dataColumnSpecCreator = new DataColumnSpecCreator(config.getString("colname" + i), config.getDataType("type" + i));
            colSpecs[i] = dataColumnSpecCreator.createSpec();
        }
        return new DataTableSpec[] { new DataTableSpec(colSpecs) };
    } else {
        return configure(new DataTableSpec[] { (DataTableSpec) inSpecs[0] });
    }
}

Example 34 with DataTableSpec

use of org.knime.core.data.DataTableSpec in project knime-core by knime.

the class StringToDurationPeriodNodeModel method createColumnRearranger.

private ColumnRearranger createColumnRearranger(final DataTableSpec spec) throws InvalidSettingsException {
    final ColumnRearranger rearranger = new ColumnRearranger(spec);
    final String[] includeList = m_colSelect.applyTo(spec).getIncludes();
    final int[] includeIndices = Arrays.stream(m_colSelect.applyTo(spec).getIncludes()).mapToInt(s -> spec.findColumnIndex(s)).toArray();
    int i = 0;
    for (final String includedCol : includeList) {
        if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
            final DataColumnSpecCreator dataColumnSpecCreator = new DataColumnSpecCreator(includedCol, m_detectedTypes[i]);
            final StringToDurationPeriodCellFactory cellFac = new StringToDurationPeriodCellFactory(dataColumnSpecCreator.createSpec(), includeIndices[i++]);
            rearranger.replace(cellFac, includedCol);
        } else {
            final DataColumnSpec dataColSpec = new UniqueNameGenerator(spec).newColumn(includedCol + m_suffix.getStringValue(), m_detectedTypes[i]);
            final StringToDurationPeriodCellFactory cellFac = new StringToDurationPeriodCellFactory(dataColSpec, includeIndices[i++]);
            rearranger.append(cellFac);
        }
    }
    return rearranger;
}

Example 35 with DataTableSpec

use of org.knime.core.data.DataTableSpec in project knime-core by knime.

the class ExtendedStatisticsNodeModel method configure.

/**
 * {@inheritDoc}
 */
@SuppressWarnings({ "unchecked", "deprecation" })
@Override
protected DataTableSpec[] configure(final DataTableSpec[] inSpecs) throws InvalidSettingsException {
    final DataTableSpec inputSpec = inSpecs[0];
    if (!m_hasSettings) {
        m_nominalFilter.loadDefaults(inputSpec, new DataTypeColumnFilter(NominalValue.class, StringValue.class, IntValue.class, LongValue.class, BooleanValue.class), true);
    }
    List<String> nominalValues = Arrays.asList(m_nominalFilter.applyTo(inputSpec).getIncludes());
    DataTableSpec nominalSpec = Statistics3Table.createOutSpecNominal(inputSpec, nominalValues);
    nominalSpec = renamedOccurrencesSpec(nominalSpec);
    DataTableSpec[] ret = new DataTableSpec[3];
    DataTableSpecCreator specCreator = new DataTableSpecCreator(Statistics3Table.getStatisticsSpecification());
    final HistogramColumn hc = createHistogramColumn();
    final DataColumnSpec histogramColumnSpec = hc.createHistogramColumnSpec();
    specCreator.addColumns(histogramColumnSpec);
    ret[0] = specCreator.createSpec();
    ret[1] = hc.createNominalHistogramTableSpec();
    ret[2] = nominalSpec;
    return ret;
}