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

Example 16 with PortObjectSpec

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

the class TreeEnsembleClassificationLearnerNodeModel method configure.

/**
 * {@inheritDoc}
 */
@Override
protected PortObjectSpec[] configure(final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    // guaranteed to not be null (according to API)
    DataTableSpec inSpec = (DataTableSpec) inSpecs[0];
    if (m_configuration == null) {
        throw new InvalidSettingsException("No configuration available");
    }
    final FilterLearnColumnRearranger learnRearranger = m_configuration.filterLearnColumns(inSpec);
    final String warn = learnRearranger.getWarning();
    if (warn != null) {
        setWarningMessage(warn);
    }
    m_configuration.checkColumnSelection(inSpec);
    DataTableSpec learnSpec = learnRearranger.createSpec();
    TreeEnsembleModelPortObjectSpec ensembleSpec = m_configuration.createPortObjectSpec(learnSpec);
    // the following call may return null, which is OK during configure
    // but not upon execution (spec may not be populated yet, e.g.
    // predecessor not executed)
    // if the possible values is not null, the following call checks
    // for duplicates in the toString() representation
    ensembleSpec.getTargetColumnPossibleValueMap();
    final TreeEnsemblePredictor outOfBagPredictor = createOutOfBagPredictor(ensembleSpec, null, inSpec);
    ColumnRearranger outOfBagRearranger = outOfBagPredictor.getPredictionRearranger();
    DataTableSpec outOfBagSpec = outOfBagRearranger == null ? null : outOfBagRearranger.createSpec();
    DataTableSpec colStatsSpec = TreeEnsembleLearner.getColumnStatisticTableSpec();
    return new PortObjectSpec[] { outOfBagSpec, colStatsSpec, ensembleSpec };
}

Example 17 with PortObjectSpec

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

the class Many2OneColPMMLNodeModel method configure.

/**
 * {@inheritDoc}
 */
@Override
protected PortObjectSpec[] configure(final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    DataTableSpec inDataSpec = (DataTableSpec) inSpecs[0];
    if (m_includedColumns.getIncludeList().size() <= 0) {
        setWarningMessage("No column selected. Node will have no effect!");
    }
    // if it is not a reg exp it must be double compatible
    if (!m_includeMethod.getStringValue().equals(IncludeMethod.RegExpPattern.name())) {
        for (String colName : m_includedColumns.getIncludeList()) {
            if (!inDataSpec.getColumnSpec(colName).getType().isCompatible(DoubleValue.class)) {
                throw new InvalidSettingsException("For selected include method '" + m_includeMethod.getStringValue() + "' only double compatible values are allowed." + " Column '" + colName + "' is not.");
            }
        }
    }
    ColumnRearranger rearranger = createRearranger(inDataSpec, getCellFactory(inDataSpec));
    if (m_pmmlEnabled) {
        PMMLPortObjectSpec pmmlSpec = (PMMLPortObjectSpec) inSpecs[1];
        PMMLPortObjectSpecCreator pmmlSpecCreator = new PMMLPortObjectSpecCreator(pmmlSpec, inDataSpec);
        return new PortObjectSpec[] { rearranger.createSpec(), pmmlSpecCreator.createSpec() };
    } else {
        return new DataTableSpec[] { rearranger.createSpec() };
    }
}

Example 18 with PortObjectSpec

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

the class PolyRegLearnerNodeModel method configure.

/**
 * {@inheritDoc}
 */
@Override
protected PortObjectSpec[] configure(final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    DataTableSpec tableSpec = (DataTableSpec) inSpecs[0];
    PMMLPortObjectSpec pmmlSpec = (PMMLPortObjectSpec) inSpecs[1];
    String[] selectedCols = computeSelectedColumns(tableSpec);
    for (String colName : selectedCols) {
        DataColumnSpec dcs = tableSpec.getColumnSpec(colName);
        if (dcs == null) {
            throw new InvalidSettingsException("Selected column '" + colName + "' does not exist in input table");
        }
        if (!dcs.getType().isCompatible(DoubleValue.class)) {
            throw new InvalidSettingsException("Selected column '" + dcs.getName() + "' from the input table is not a numeric column.");
        }
    }
    if (m_settings.getTargetColumn() == null) {
        throw new InvalidSettingsException("No target column selected");
    }
    if (tableSpec.findColumnIndex(m_settings.getTargetColumn()) == -1) {
        throw new InvalidSettingsException("Target column '" + m_settings.getTargetColumn() + "' does not exist.");
    }
    DataColumnSpecCreator crea = new DataColumnSpecCreator("PolyReg prediction", DoubleCell.TYPE);
    DataColumnSpec col1 = crea.createSpec();
    crea = new DataColumnSpecCreator("Prediction Error", DoubleCell.TYPE);
    DataColumnSpec col2 = crea.createSpec();
    return new PortObjectSpec[] { AppendedColumnTable.getTableSpec(tableSpec, col1, col2), createModelSpec(pmmlSpec, tableSpec) };
}

Example 19 with PortObjectSpec

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

the class Node method createNodeExecutionResult.

/**
 * Creates an execution result containing all calculated values in a
 * execution. The returned value is suitable to be used in
 * {@link #loadDataAndInternals(
 * NodeContentPersistor, ExecutionMonitor, LoadResult)}.
 * If this node is not executed, it will assign null values to the fields
 * in the returned execution result.
 * @param exec For progress information.
 * @return A new execution result containing the values being calculated.
 * @throws CanceledExecutionException If canceled
 */
public NodeExecutionResult createNodeExecutionResult(final ExecutionMonitor exec) throws CanceledExecutionException {
    NodeExecutionResult result = new NodeExecutionResult();
    result.setWarningMessage(m_model.getWarningMessage());
    if (hasContent()) {
        File internTempDir;
        try {
            internTempDir = FileUtil.createTempDir("knime_node_internDir");
            exec.setMessage("Saving internals");
            saveInternals(internTempDir, exec.createSubProgress(0.0));
            result.setNodeInternDir(new ReferencedFile(internTempDir));
        } catch (IOException ioe) {
            LOGGER.error("Unable to save internals", ioe);
        }
    }
    if (m_internalHeldPortObjects != null) {
        PortObject[] internalHeldPortObjects = Arrays.copyOf(m_internalHeldPortObjects, m_internalHeldPortObjects.length);
        result.setInternalHeldPortObjects(internalHeldPortObjects);
    }
    PortObject[] pos = new PortObject[getNrOutPorts()];
    PortObjectSpec[] poSpecs = new PortObjectSpec[getNrOutPorts()];
    for (int i = 0; i < pos.length; i++) {
        PortObject po = getOutputObject(i);
        if (po != null) {
            pos[i] = po;
            poSpecs[i] = po.getSpec();
        }
    }
    result.setPortObjects(pos);
    result.setPortObjectSpecs(poSpecs);
    // Add the outgoing flow variables to the execution result
    FlowObjectStack outgoingStack = m_model.getOutgoingFlowObjectStack();
    List<FlowVariable> nodeFlowVars = outgoingStack.getAvailableFlowVariables().values().stream().filter(f -> f.getScope().equals(FlowVariable.Scope.Flow)).collect(Collectors.toList());
    // the bottom most element should remain at the bottom of the stack
    Collections.reverse(nodeFlowVars);
    result.setFlowVariables(nodeFlowVars);
    return result;
}

Example 20 with PortObjectSpec

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

the class Node method getDialogPaneWithSettings.

/**
 * @param inSpecs The input specs, which will be forwarded to the dialog's
 *        {@link NodeDialogPane#loadSettingsFrom(NodeSettingsRO,
 *        PortObjectSpec[])}.
 * @param settings The current settings of this node. The settings object
 *        will also contain the settings of the outer SNC.
 * @param isWriteProtected Whether write protected, see
 *        {@link org.knime.core.node.workflow.WorkflowManager#isWriteProtected()}.
 * @return The dialog pane which holds all the settings' components. In
 *         addition this method loads the settings from the model into the
 *         dialog pane.
 * @throws NotConfigurableException if the dialog cannot be opened because
 *             of real invalid settings or if any preconditions are not
 *             fulfilled, e.g. no predecessor node, no nominal column in
 *             input table, etc.
 * @throws IllegalStateException If node has no dialog.
 * @see #hasDialog()
 * @since 2.6
 */
public NodeDialogPane getDialogPaneWithSettings(final PortObjectSpec[] inSpecs, final PortObject[] inData, final NodeSettingsRO settings, final boolean isWriteProtected) throws NotConfigurableException {
    NodeDialogPane dialogPane = getDialogPane();
    PortObjectSpec[] corrInSpecs = new PortObjectSpec[inSpecs.length - 1];
    PortObject[] corrInData = new PortObject[inData.length - 1];
    for (int i = 1; i < inSpecs.length; i++) {
        if (inSpecs[i] instanceof InactiveBranchPortObjectSpec) {
            if (!isInactiveBranchConsumer()) {
                throw new NotConfigurableException("Cannot configure nodes in inactive branches.");
            }
        }
        PortType t = getInputType(i);
        if (!t.acceptsPortObjectSpec(inSpecs[i]) && !(inSpecs[i] instanceof InactiveBranchPortObjectSpec)) {
            // table(!) connection)
            throw new NotConfigurableException("Invalid incoming port object spec \"" + inSpecs[i].getClass().getSimpleName() + "\", expected \"" + t.getPortObjectSpecClass().getSimpleName() + "\"");
        } else if (inSpecs[i] == null && BufferedDataTable.TYPE.equals(t) && !t.isOptional()) {
            corrInSpecs[i - 1] = new DataTableSpec();
        } else {
            corrInSpecs[i - 1] = inSpecs[i];
            corrInData[i - 1] = inData[i];
        }
    }
    // the sub node virtual input node shows in its dialog all flow variables that are available to the rest
    // of the subnode. It's the only case where the flow variables shown in the dialog are not the ones available
    // to the node model class ...
    final FlowObjectStack flowObjectStack = m_model instanceof VirtualSubNodeInputNodeModel ? ((VirtualSubNodeInputNodeModel) m_model).getSubNodeContainerFlowObjectStack() : getFlowObjectStack();
    dialogPane.internalLoadSettingsFrom(settings, corrInSpecs, corrInData, flowObjectStack, getCredentialsProvider(), isWriteProtected);
    if (m_model instanceof ValueControlledNode && dialogPane instanceof ValueControlledDialogPane) {
        NodeSettings currentValue = new NodeSettings("currentValue");
        try {
            ((ValueControlledNode) m_model).saveCurrentValue(currentValue);
            ((ValueControlledDialogPane) dialogPane).loadCurrentValue(currentValue);
        } catch (Exception ise) {
            final String msg = "Could not load current value into dialog: " + ise.getMessage();
            if (ise instanceof InvalidSettingsException) {
                LOGGER.warn(msg, ise);
            } else {
                LOGGER.coding(msg, ise);
            }
        }
    }
    return dialogPane;
}