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

Example 36 with DataColumnDomainCreator

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

the class SplitCellFactory method getDomains.

/**
 * Returns the domains that were computed while processing all rows.
 *
 * @return an array with domain
 */
public DataColumnDomain[] getDomains() {
    DataColumnDomain[] domains = new DataColumnDomain[m_colSpecs.length];
    int i = 0;
    for (DataColumnSpec cs : m_domainCreator.createSpec()) {
        DataColumnDomainCreator crea = new DataColumnDomainCreator(cs.getDomain());
        if (!m_commonTypes[i].isCompatible(BoundedValue.class)) {
            crea.setLowerBound(null);
            crea.setUpperBound(null);
        }
        if (!m_commonTypes[i].isCompatible(NominalValue.class)) {
            crea.setValues(null);
        }
        domains[i] = crea.createDomain();
        i++;
    }
    return domains;
}

Example 37 with DataColumnDomainCreator

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

the class AbstractMany2OneCellFactory method getColumnSpecs.

/**
 * {@inheritDoc}
 */
@Override
public DataColumnSpec[] getColumnSpecs() {
    // new column
    DataColumnSpecCreator appendedColumnCreator = new DataColumnSpecCreator(m_appendedColumnName, StringCell.TYPE);
    // possible values depend on allow multi occurrences
    DataColumnDomainCreator possibleValuesCreator = new DataColumnDomainCreator(m_columnNames);
    appendedColumnCreator.setDomain(possibleValuesCreator.createDomain());
    return new DataColumnSpec[] { appendedColumnCreator.createSpec() };
}

Example 38 with DataColumnDomainCreator

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

the class MissingValueHandling2Table method createTableSpecPrivate.

/* private helper that assumes the ColSetting to have the right format. */
private static DataTableSpec createTableSpecPrivate(final DataTableSpec spec, final MissingValueHandling2ColSetting[] sets) {
    assert (spec.getNumColumns() == sets.length);
    DataColumnSpec[] newSpecs = new DataColumnSpec[sets.length];
    for (int i = 0; i < sets.length; i++) {
        DataColumnSpec colSpec = spec.getColumnSpec(i);
        DataColumnSpec newSpec = colSpec;
        if (sets[i].getMethod() == MissingValueHandling2ColSetting.METHOD_FIX_VAL) {
            DataColumnDomain dom = colSpec.getDomain();
            Comparator<DataCell> comp = colSpec.getType().getComparator();
            DataCell fixCell = sets[i].getFixCell();
            boolean changed = false;
            DataCell l = dom.getLowerBound();
            // (but rather be null). It may happen anyway, we catch it here
            if (l != null && !l.isMissing() && (comp.compare(fixCell, l) < 0)) {
                changed = true;
                l = fixCell;
            }
            DataCell u = dom.getUpperBound();
            if (u != null && !u.isMissing() && (comp.compare(fixCell, u) > 0)) {
                changed = true;
                u = fixCell;
            }
            Set<DataCell> vals = dom.getValues();
            if (vals != null && !vals.contains(fixCell)) {
                changed = true;
                vals = new LinkedHashSet<DataCell>(vals);
                vals.add(fixCell);
            }
            if (changed) {
                DataColumnDomain newDom = new DataColumnDomainCreator(vals, l, u).createDomain();
                DataColumnSpecCreator c = new DataColumnSpecCreator(colSpec);
                c.setDomain(newDom);
                newSpec = c.createSpec();
            }
        }
        newSpecs[i] = newSpec;
    }
    return new DataTableSpec(newSpecs);
}

Example 39 with DataColumnDomainCreator

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

the class ColPropertyDialog method openDomainDialog.

/**
 * Called when "domain..." button is pressed. Opens the dialog for domain settings, with components depending on the
 * currently selected type.
 */
void openDomainDialog() {
    // prepare a colProp with the default settings for the dialog
    ColProperty domainProperty = (ColProperty) m_allColProps.get(m_colIdx).clone();
    // set the new name and type - regardless of their correctness
    domainProperty.changeColumnName(m_colNameField.getText());
    DataType selectedType = (DataType) m_typeChooser.getSelectedItem();
    if (!domainProperty.getColumnSpec().getType().equals(selectedType)) {
        domainProperty.changeDomain(new DataColumnDomainCreator().createDomain());
    }
    domainProperty.changeColumnType(selectedType);
    if (m_userDomainSettings != null) {
        // calling this dialog for the 2nd time. Use vals from first call.
        domainProperty.changeDomain(m_userDomainSettings.getColumnSpec().getDomain());
        domainProperty.setReadPossibleValuesFromFile(m_userDomainSettings.getReadPossibleValuesFromFile());
    }
    DomainDialog domDlg = new DomainDialog(this, domainProperty);
    ColProperty newSettings = domDlg.showDialog();
    if (newSettings != null) {
        m_userDomainSettings = newSettings;
    }
}

Example 40 with DataColumnDomainCreator

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

the class Statistics3Table method createOutSpecNominal.

/**
 * Create spec containing only nominal columns in same order as the input spec.
 *
 * @param inSpec input spec
 * @param nominalValues used in map of co-occurrences
 * @return a new spec with all nominal columns
 */
public static DataTableSpec createOutSpecNominal(final DataTableSpec inSpec, final List<String> nominalValues) {
    ArrayList<DataColumnSpec> cspecs = new ArrayList<DataColumnSpec>();
    for (int i = 0; i < inSpec.getNumColumns(); i++) {
        DataColumnSpec cspec = inSpec.getColumnSpec(i);
        if (nominalValues.contains(cspec.getName())) {
            cspecs.add(cspec);
            String countCol = DataTableSpec.getUniqueColumnName(inSpec, cspec.getName() + "_Count");
            cspecs.add(new DataColumnSpecCreator(countCol, IntCell.TYPE).createSpec());
            String percentCol = DataTableSpec.getUniqueColumnName(inSpec, "Relative Frequency (" + cspec.getName() + ")");
            DataColumnSpecCreator percentColSpecCreator = new DataColumnSpecCreator(percentCol, DoubleCell.TYPE);
            percentColSpecCreator.setDomain(new DataColumnDomainCreator(new DoubleCell(0.0), new DoubleCell(1.0)).createDomain());
            cspecs.add(percentColSpecCreator.createSpec());
        }
    }
    return new DataTableSpec(cspecs.toArray(new DataColumnSpec[cspecs.size()]));
}