Examples with One2ManyCellFactory org.knime.base.node.preproc.columnTrans.One2ManyCellFactory used on opensource projects

Example 1 with One2ManyCellFactory

use of org.knime.base.node.preproc.columnTrans.One2ManyCellFactory in project knime-core by knime.

the class One2ManyColPMMLNodeModel method configure.

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

Example 2 with One2ManyCellFactory

use of org.knime.base.node.preproc.columnTrans.One2ManyCellFactory in project knime-core by knime.

the class One2ManyColPMMLNodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected PortObject[] execute(final PortObject[] inObjects, final ExecutionContext exec) throws Exception {
    BufferedDataTable inData = (BufferedDataTable) inObjects[0];
    DataTableSpec dts = inData.getDataTableSpec();
    checkColumnsSpecs(dts);
    One2ManyCellFactory cellFactory = new One2ManyCellFactory(dts, m_includedColumns.getIncludeList(), m_appendOrgColName);
    BufferedDataTable outData = exec.createColumnRearrangeTable(inData, createRearranger(dts, cellFactory), exec);
    if (m_pmmlEnabled) {
        // the optional PMML in port (can be null)
        PMMLPortObject inPMMLPort = (PMMLPortObject) inObjects[1];
        PMMLOne2ManyTranslator trans = new PMMLOne2ManyTranslator(cellFactory.getColumnMapping(), new DerivedFieldMapper(inPMMLPort));
        PMMLPortObjectSpecCreator creator = new PMMLPortObjectSpecCreator(inPMMLPort, outData.getDataTableSpec());
        PMMLPortObject outPMMLPort = new PMMLPortObject(creator.createSpec(), inPMMLPort);
        outPMMLPort.addGlobalTransformations(trans.exportToTransDict());
        return new PortObject[] { outData, outPMMLPort };
    } else {
        return new PortObject[] { outData };
    }
}