Examples with ColumnRearranger org.knime.core.data.container.ColumnRearranger used on opensource projects

Example 26 with ColumnRearranger

use of org.knime.core.data.container.ColumnRearranger in project knime-core by knime.

the class DurationToNumberNodeModel method createColumnRearranger.

/**
 * {@inheritDoc}
 */
@Override
protected ColumnRearranger createColumnRearranger(final DataTableSpec spec) throws InvalidSettingsException {
    final ColumnRearranger rearranger = new ColumnRearranger(spec);
    if (m_colSelectModel.getStringValue() == null) {
        throw new InvalidSettingsException("Node must be configured!");
    }
    if (spec.findColumnIndex(m_colSelectModel.getStringValue()) < 0) {
        throw new InvalidSettingsException("Column '" + m_colSelectModel.getStringValue() + "' not found in the input table.");
    }
    final boolean exact = m_typeSelectModel.getStringValue().equals(DataTypeMode.Exact.name());
    final DataColumnSpec colSpec = new UniqueNameGenerator(spec).newColumn((m_durationFieldSelectModel.getStringValue()), exact ? DoubleCell.TYPE : LongCell.TYPE);
    final CellFactory cellFac = new ExtractDurationSingleFieldCellFactory(spec.findColumnIndex(m_colSelectModel.getStringValue()), exact, colSpec);
    rearranger.append(cellFac);
    return rearranger;
}

Example 27 with ColumnRearranger

use of org.knime.core.data.container.ColumnRearranger in project knime-core by knime.

the class OldToNewTimeNodeModel method configure.

/**
 * {@inheritDoc}
 */
@Override
protected DataTableSpec[] configure(final DataTableSpec[] inSpecs) throws InvalidSettingsException {
    if (!m_hasValidatedConfiguration) {
        m_colSelect.loadDefaults(inSpecs[0]);
        m_selectedNewType = DateTimeType.LOCAL_DATE.name();
    }
    final ColumnRearranger columnRearranger = createColumnRearranger(inSpecs[0], null);
    if (columnRearranger == null) {
        return new DataTableSpec[] { null };
    } else {
        return new DataTableSpec[] { columnRearranger.createSpec() };
    }
}

Example 28 with ColumnRearranger

use of org.knime.core.data.container.ColumnRearranger in project knime-core by knime.

the class OldToNewTimeNodeModel method createColumnRearranger.

/**
 * @param inSpec Current input spec
 * @return The CR describing the output, can be null if called by configure
 */
private ColumnRearranger createColumnRearranger(final DataTableSpec inSpec, final DataRow row) {
    final ColumnRearranger rearranger = new ColumnRearranger(inSpec);
    final String[] includeList = m_colSelect.applyTo(inSpec).getIncludes();
    final int[] includeIndexes = Arrays.stream(m_colSelect.applyTo(inSpec).getIncludes()).mapToInt(s -> inSpec.findColumnIndex(s)).toArray();
    final DataColumnSpec[] newColumnSpecs = getNewIncludedColumnSpecs(inSpec, row);
    // if called by configure and automatic type detection is activated, it can be null
    if (newColumnSpecs == null) {
        return null;
    }
    int i = 0;
    for (String includedCol : includeList) {
        if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
            ConvertTimeCellFactory cellFac = new ConvertTimeCellFactory(newColumnSpecs[i], i, includeIndexes[i++]);
            rearranger.replace(cellFac, includedCol);
        } else {
            final DataColumnSpec dataColSpec = new UniqueNameGenerator(inSpec).newColumn(newColumnSpecs[i].getName() + m_suffix.getStringValue(), newColumnSpecs[i].getType());
            ConvertTimeCellFactory cellFac = new ConvertTimeCellFactory(dataColSpec, i, includeIndexes[i++]);
            rearranger.append(cellFac);
        }
    }
    return rearranger;
}

Example 29 with ColumnRearranger

use of org.knime.core.data.container.ColumnRearranger in project knime-core by knime.

the class TimestampToDateTimeNodeModel method createColumnRearranger.

/**
 * @param inSpec table input spec
 * @return the CR describing the output
 */
@Override
protected ColumnRearranger createColumnRearranger(final DataTableSpec inSpec) throws InvalidSettingsException {
    CheckUtils.checkSetting(m_hasValidatedConfiguration, "Node must be configured!");
    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;
    final boolean isReplace = m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE);
    UniqueNameGenerator uniqueNameGenerator = new UniqueNameGenerator(inSpec);
    for (String includedCol : includeList) {
        if (isReplace) {
            final DataColumnSpecCreator dataColumnSpecCreator = new DataColumnSpecCreator(includedCol, DateTimeType.valueOf(m_selectedType).getDataType());
            final TimestampToTimeCellFactory cellFac = new TimestampToTimeCellFactory(dataColumnSpecCreator.createSpec(), includeIndeces[i++]);
            rearranger.replace(cellFac, includedCol);
        } else {
            final DataColumnSpec dataColSpec = uniqueNameGenerator.newColumn(includedCol + m_suffix.getStringValue(), DateTimeType.valueOf(m_selectedType).getDataType());
            final TimestampToTimeCellFactory cellFac = new TimestampToTimeCellFactory(dataColSpec, includeIndeces[i++]);
            rearranger.append(cellFac);
        }
    }
    return rearranger;
}

Example 30 with ColumnRearranger

use of org.knime.core.data.container.ColumnRearranger in project knime-core by knime.

the class StringManipulationNodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected BufferedDataTable[] execute(final BufferedDataTable[] inData, final ExecutionContext exec) throws Exception {
    DataTableSpec inSpec = inData[0].getDataTableSpec();
    ColumnRearranger c = createColumnRearranger(inSpec);
    m_rowCount = inData[0].size();
    try {
        BufferedDataTable o = exec.createColumnRearrangeTable(inData[0], c, exec);
        return new BufferedDataTable[] { o };
    } finally {
        m_rowCount = -1L;
    }
}