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

Example 1 with DataTable

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

the class RuleEngine2PortsNodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected PortObject[] execute(final PortObject[] inData, final ExecutionContext exec) throws Exception {
    BufferedDataTable data = (BufferedDataTable) inData[DATA_PORT];
    m_rowCount = data.size();
    try {
        Pair<ColumnRearranger, PortObject> rearrangerPair = createColumnRearranger((DataTableSpec) inData[DATA_PORT].getSpec(), new DataTableRowInput((DataTable) inData[RULE_PORT]));
        BufferedDataTable predictedTable = exec.createColumnRearrangeTable(data, rearrangerPair.getFirst(), exec);
        PortObject second = rearrangerPair.getSecond();
        if (m_settings.isPMMLRuleSet()) {
            if (m_settings.isProvideStatistics()) {
                PMMLPortObject po = (PMMLPortObject) rearrangerPair.getSecond();
                PMMLPortObject pmmlPortObject = new PMMLPortObject(m_copy.getSpec(), po);
                // Remove extra model.
                pmmlPortObject.addModelTranslater(new PMMLTranslator() {

                    @Override
                    public void initializeFrom(final PMMLDocument pmmlDoc) {
                    }

                    @Override
                    public SchemaType exportTo(final PMMLDocument pmmlDoc, final PMMLPortObjectSpec spec) {
                        return null;
                    }
                });
                second = pmmlPortObject;
            } else {
                second = m_copy;
            }
        }
        return new PortObject[] { predictedTable, second };
    } finally {
        m_rowCount = -1;
    }
}

Example 2 with DataTable

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

the class DataTableSpecView method dispose.

/**
 * {@inheritDoc}
 * @since 3.6
 */
@Override
public void dispose() {
    TableContentModel contentModel = m_specView.getContentModel();
    DataTable dataTable = contentModel.getDataTable();
    contentModel.setDataTable(null);
    if (dataTable instanceof ContainerTable) {
        ((ContainerTable) dataTable).clear();
    }
}

Example 3 with DataTable

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

the class RegressionTreeLearnerNodeView method newModel.

private void newModel() {
    assert SwingUtilities.isEventDispatchThread();
    final RegressionTreeLearnerNodeModel nodeModel = getNodeModel();
    RegressionTreeModel model = nodeModel.getRegressionTreeModel();
    DataTable hiliteRowSample = nodeModel.getHiliteRowSample();
    UpdateTreeWorker updateWorker = new UpdateTreeWorker(hiliteRowSample, model);
    UpdateTreeWorker old = m_updateWorkerRef.getAndSet(updateWorker);
    if (old != null) {
        old.cancel(true);
    }
    updateWorker.execute();
}

Example 4 with DataTable

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

the class TreeEnsembleLearnerNodeView2 method newModel.

private void newModel(final int index) {
    assert SwingUtilities.isEventDispatchThread();
    final MODEL nodeModel = getNodeModel();
    TreeEnsembleModel model = nodeModel.getEnsembleModel();
    DataTable hiliteRowSample = nodeModel.getHiliteRowSample();
    UpdateTreeWorker updateWorker = new UpdateTreeWorker(hiliteRowSample, model, index);
    UpdateTreeWorker old = m_updateWorkerRef.getAndSet(updateWorker);
    if (old != null) {
        old.cancel(true);
    }
    updateWorker.execute();
}

Example 5 with DataTable

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

the class PolyRegLineScatterPlotter method modelChanged.

/**
 * This method must be called if the model has changed. It updates the
 * plotter to show the new model's values.
 */
public void modelChanged() {
    DataTable data = m_model.getDataArray(0);
    m_viewData = m_model.getViewData();
    if (data != null) {
        final DataTableSpec origSpec = data.getDataTableSpec();
        final MyProperties props = (MyProperties) getProperties();
        DataColumnSpec[] colSpecs = new DataColumnSpec[origSpec.getNumColumns() - 1];
        int i = 0;
        for (DataColumnSpec cs : origSpec) {
            if (!m_viewData.targetColumn.equals(cs.getName())) {
                colSpecs[i++] = cs;
            } else {
                m_yColumnSpec = cs;
                getYAxis().setCoordinate(Coordinate.createCoordinate(cs));
            }
        }
        m_xColumnSpec = colSpecs[0];
        getXAxis().setCoordinate(Coordinate.createCoordinate(colSpecs[0]));
        m_filteredSpec = new DataTableSpec(colSpecs);
        try {
            props.m_xColumn.update(m_filteredSpec, colSpecs[0].getName());
        } catch (NotConfigurableException ex) {
            // cannot happen
            assert false : ex.getMessage();
        }
        reset();
        updatePaintModel();
    }
}