Examples with PortObjectSpec org.knime.core.node.port.PortObjectSpec used on opensource projects

Example 61 with PortObjectSpec

use of org.knime.core.node.port.PortObjectSpec in project knime-core by knime.

the class One2ManyCol2PMMLNodeModel method configure.

/**
 * {@inheritDoc}
 */
@Override
protected PortObjectSpec[] configure(final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    DataTableSpec inDataSpec = (DataTableSpec) inSpecs[0];
    m_appendOrgColName = false;
    String[] includes = m_includedColumns.applyTo(inDataSpec).getIncludes();
    if (includes.length <= 0) {
        setWarningMessage("No columns to transfrom selected. Will have no effect!");
    }
    // check if the values are present in the current spec
    if (includes.length > 0) {
        checkColumnsSpecs(inDataSpec);
    }
    CellFactory cellFactory = new One2ManyCellFactory(inDataSpec, Arrays.asList(includes), m_appendOrgColName);
    ColumnRearranger rearranger = createRearranger(inDataSpec, cellFactory);
    if (m_pmmlOutEnabled) {
        PMMLPortObjectSpec pmmlSpec = m_pmmlInEnabled ? (PMMLPortObjectSpec) inSpecs[1] : null;
        PMMLPortObjectSpecCreator pmmlSpecCreator = new PMMLPortObjectSpecCreator(pmmlSpec, inDataSpec);
        return new PortObjectSpec[] { rearranger.createSpec(), pmmlSpecCreator.createSpec() };
    } else {
        return new PortObjectSpec[] { rearranger.createSpec() };
    }
}

Example 62 with PortObjectSpec

use of org.knime.core.node.port.PortObjectSpec in project knime-core by knime.

the class AbstractNormalizerPMMLNodeModel method prepareConfigure.

/**
 * @param inSpecs An array of DataTableSpecs (as many as this model has
 *            inputs).
 * @return An array of DataTableSpecs (as many as this model has outputs)
 *
 * @throws InvalidSettingsException if the <code>#configure()</code> failed,
 *             that is, the settings are inconsistent with given
 *             DataTableSpec elements.
 */
@Override
protected PortObjectSpec[] prepareConfigure(final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    DataTableSpec spec = (DataTableSpec) inSpecs[0];
    PMMLPortObjectSpecCreator pmmlSpecCreator;
    if (m_hasModelIn) {
        PMMLPortObjectSpec pmmlSpec = (PMMLPortObjectSpec) inSpecs[1];
        // extract selected numeric columns
        updateNumericColumnSelection(spec);
        if (getMode() == NONORM_MODE) {
            return new PortObjectSpec[] { spec, pmmlSpec };
        }
        pmmlSpecCreator = new PMMLPortObjectSpecCreator(pmmlSpec, spec);
    } else {
        // extract selected numeric columns
        updateNumericColumnSelection(spec);
        if (getMode() == NONORM_MODE) {
            return new PortObjectSpec[] { spec };
        }
        pmmlSpecCreator = new PMMLPortObjectSpecCreator(spec);
    }
    return new PortObjectSpec[] { Normalizer2.generateNewSpec(spec, getColumns()), pmmlSpecCreator.createSpec() };
}

Example 63 with PortObjectSpec

use of org.knime.core.node.port.PortObjectSpec in project knime-core by knime.

the class DiscretizationApplyNodeModel method configure.

/**
 * {@inheritDoc}
 */
@Override
protected PortObjectSpec[] configure(final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    // if no columns are defined to discretize, return the input spec
    DataTableSpec modelSpec = (DataTableSpec) inSpecs[MODEL_INPORT];
    if (modelSpec == null || modelSpec.getNumColumns() == 0) {
        return new PortObjectSpec[] { inSpecs[DATA_INPORT] };
    } else {
        // else replace for each included column the attribute type to
        // string
        DataTableSpec dataSpec = (DataTableSpec) inSpecs[DATA_INPORT];
        if (dataSpec == null) {
            return new DataTableSpec[] { null };
        }
        DataColumnSpec[] newColumnSpecs = new DataColumnSpec[dataSpec.getNumColumns()];
        int counter = 0;
        for (DataColumnSpec origColSpec : dataSpec) {
            // if the column is included for discretizing, change the spec
            int modelColIdx = modelSpec.findColumnIndex(origColSpec.getName());
            if (modelColIdx >= 0) {
                // types of columns must be compatible
                if (!modelSpec.getColumnSpec(modelColIdx).getType().isASuperTypeOf(origColSpec.getType())) {
                    throw new InvalidSettingsException("The type of the" + " column used to create the model is not" + " compatible to the input column type (" + " column name = " + origColSpec.getName() + ")");
                }
                // create a nominal string column spec
                newColumnSpecs[counter] = new DataColumnSpecCreator(origColSpec.getName(), StringCell.TYPE).createSpec();
            } else {
                // add it as is
                newColumnSpecs[counter] = origColSpec;
            }
            counter++;
        }
        DataTableSpec[] newSpecs = new DataTableSpec[1];
        newSpecs[0] = new DataTableSpec(newColumnSpecs);
        return newSpecs;
    }
}

Example 64 with PortObjectSpec

use of org.knime.core.node.port.PortObjectSpec in project knime-core by knime.

the class CategoryToNumberNodeModel method configure.

/**
 * {@inheritDoc}
 */
@Override
protected PortObjectSpec[] configure(final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    DataTableSpec inSpec = (DataTableSpec) inSpecs[0];
    List<String> inputCols = new ArrayList<String>();
    for (DataColumnSpec column : inSpec) {
        if (column.getType().isCompatible(StringValue.class)) {
            inputCols.add(column.getName());
        }
    }
    FilterResult filter = m_settings.getFilterConfiguration().applyTo(inSpec);
    String[] rmFromIncl = filter.getRemovedFromIncludes();
    if (m_settings.getFilterConfiguration().isEnforceInclusion() && rmFromIncl.length != 0) {
        throw new InvalidSettingsException("Input table does not contain the following selected column(s): " + ConvenienceMethods.getShortStringFrom(new HashSet<String>(Arrays.asList(rmFromIncl)), 3));
    }
    m_included = filter.getIncludes();
    if (m_included.length == 0) {
        setWarningMessage("No columns selected.");
    }
    ColumnRearranger rearranger = createRearranger(inSpec);
    PMMLPortObjectSpec pmmlSpec = m_pmmlInEnabled ? (PMMLPortObjectSpec) inSpecs[1] : null;
    PMMLPortObjectSpecCreator pmmlSpecCreator = new PMMLPortObjectSpecCreator(pmmlSpec, inSpec);
    pmmlSpecCreator.addPreprocColNames(inputCols);
    return new PortObjectSpec[] { rearranger.createSpec(), pmmlSpecCreator.createSpec() };
}

Example 65 with PortObjectSpec

use of org.knime.core.node.port.PortObjectSpec in project knime-core by knime.

the class CorrelationComputeNodeModel method configure.

/**
 * {@inheritDoc}
 */
@Override
protected PortObjectSpec[] configure(final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    DataTableSpec in = (DataTableSpec) inSpecs[0];
    if (!in.containsCompatibleType(DoubleValue.class) && !in.containsCompatibleType(NominalValue.class)) {
        throw new InvalidSettingsException("No double or nominal compatible columns in input");
    }
    final String[] includes;
    if (m_columnFilterModel == null) {
        m_columnFilterModel = createColumnFilterModel();
        // auto-configure, no previous configuration
        m_columnFilterModel.loadDefaults(in);
        includes = m_columnFilterModel.applyTo(in).getIncludes();
        setWarningMessage("Auto configuration: Using all suitable " + "columns (in total " + includes.length + ")");
    } else {
        FilterResult applyTo = m_columnFilterModel.applyTo(in);
        includes = applyTo.getIncludes();
    }
    if (includes.length == 0) {
        throw new InvalidSettingsException("No columns selected");
    }
    return new PortObjectSpec[] { PMCCPortObjectAndSpec.createOutSpec(includes), new PMCCPortObjectAndSpec(includes) };
}