Examples with FlowVariable org.knime.core.node.workflow.FlowVariable used on opensource projects

Example 81 with FlowVariable

use of org.knime.core.node.workflow.FlowVariable in project knime-core by knime.

the class JavaScriptingPanel method loadSettingsFrom.

/**
 * Load settings from arg.
 * @param s To load from.
 * @param spec The input spec.
 */
public void loadSettingsFrom(final JavaScriptingSettings s, final DataTableSpec spec) {
    String exp = s.getExpression();
    String header = s.getHeader();
    String rType = s.getReturnType().getName();
    boolean isArrayReturn = s.isArrayReturn();
    String defaultNewName = m_customizer.getOutputIsVariable() ? "new variable" : "new column";
    String newName = s.getColName();
    boolean isReplace = s.isReplace();
    boolean isTestCompilation = s.isTestCompilationOnDialogClose();
    boolean isInsertMissingAsNull = s.isInsertMissingAsNull();
    m_currentVersion = s.getExpressionVersion();
    m_newNameField.setText("");
    // will select newColName only if it is in the spec list
    try {
        m_replaceColumnCombo.update(spec, newName);
    } catch (NotConfigurableException e1) {
        NodeLogger.getLogger(getClass()).coding("Combo box throws " + "exception although content is not required", e1);
    }
    DefaultComboBoxModel cmbModel = (DefaultComboBoxModel) m_replaceVariableCombo.getModel();
    cmbModel.removeAllElements();
    final Map<String, FlowVariable> availableFlowVariables = m_varProvider.getAvailableFlowVariables();
    for (FlowVariable v : availableFlowVariables.values()) {
        switch(v.getScope()) {
            case Flow:
                cmbModel.addElement(v);
                break;
            default:
        }
    }
    if (isReplace && availableFlowVariables.containsKey(newName)) {
        m_replaceVariableCombo.setSelectedItem(availableFlowVariables.get(newName));
    }
    m_currentSpec = spec;
    // whether there are variables or columns available
    // -- which of two depends on the customizer
    boolean fieldsAvailable;
    if (m_customizer.getOutputIsVariable()) {
        fieldsAvailable = m_replaceVariableCombo.getModel().getSize() > 0;
    } else {
        fieldsAvailable = m_replaceColumnCombo.getNrItemsInList() > 0;
    }
    if (isReplace && fieldsAvailable) {
        m_replaceRadio.doClick();
    } else {
        m_appendRadio.doClick();
        String newNameString = (newName != null ? newName : defaultNewName);
        m_newNameField.setText(newNameString);
    }
    m_replaceRadio.setEnabled(fieldsAvailable);
    m_headerEdit.setText(header);
    m_expEdit.setText(exp);
    m_expEdit.requestFocus();
    ButtonModel firstButton = null;
    for (Enumeration<?> e = m_returnTypeButtonGroup.getElements(); e.hasMoreElements(); ) {
        AbstractButton b = (AbstractButton) e.nextElement();
        if (firstButton == null) {
            firstButton = b.getModel();
        }
        if (b.getActionCommand().equals(rType)) {
            m_returnTypeButtonGroup.setSelected(b.getModel(), true);
        }
    }
    if (m_returnTypeButtonGroup.getSelection() == null) {
        m_returnTypeButtonGroup.setSelected(firstButton, true);
    }
    m_isArrayReturnChecker.setSelected(isArrayReturn);
    DefaultListModel listModel = (DefaultListModel) m_colList.getModel();
    listModel.removeAllElements();
    if (m_currentVersion == Expression.VERSION_1X) {
        listModel.addElement(Expression.ROWKEY);
        listModel.addElement(Expression.ROWNUMBER);
    } else {
        listModel.addElement(Expression.ROWID);
        listModel.addElement(Expression.ROWINDEX);
        listModel.addElement(Expression.ROWCOUNT);
    }
    for (int i = 0; i < spec.getNumColumns(); i++) {
        DataColumnSpec colSpec = spec.getColumnSpec(i);
        listModel.addElement(colSpec);
    }
    DefaultListModel fvListModel = (DefaultListModel) m_flowVarsList.getModel();
    fvListModel.removeAllElements();
    for (FlowVariable v : availableFlowVariables.values()) {
        fvListModel.addElement(v);
    }
    m_compileOnCloseChecker.setSelected(isTestCompilation);
    m_insertMissingAsNullChecker.setSelected(isInsertMissingAsNull);
}

Example 82 with FlowVariable

use of org.knime.core.node.workflow.FlowVariable in project knime-core by knime.

the class JavaSnippet method configure.

/**
 * Create the outspec of the java snippet node. This method is typically used in the configure of a node.
 *
 * @param spec the spec of the data table at the inport
 * @param flowVariableRepository the flow variables at the inport
 * @return the spec at the output
 * @throws InvalidSettingsException when settings are inconsistent with the spec or the flow variables at the inport
 */
public DataTableSpec configure(final DataTableSpec spec, final FlowVariableRepository flowVariableRepository) throws InvalidSettingsException {
    DataTableSpec outSpec = createRearranger(spec, flowVariableRepository, -1, null).createSpec();
    // default values
    for (OutVar outVar : m_fields.getOutVarFields()) {
        FlowVariable flowVar = null;
        if (outVar.getFlowVarType().equals(org.knime.core.node.workflow.FlowVariable.Type.INTEGER)) {
            flowVar = new FlowVariable(outVar.getKnimeName(), -1);
        } else if (outVar.getFlowVarType().equals(org.knime.core.node.workflow.FlowVariable.Type.DOUBLE)) {
            flowVar = new FlowVariable(outVar.getKnimeName(), -1.0);
        } else {
            flowVar = new FlowVariable(outVar.getKnimeName(), "");
        }
        flowVariableRepository.put(flowVar);
    }
    return outSpec;
}

Example 83 with FlowVariable

use of org.knime.core.node.workflow.FlowVariable in project knime-core by knime.

the class JavaEditVarNodeModel method configure.

/**
 * {@inheritDoc}
 */
@Override
protected PortObjectSpec[] configure(final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    m_snippet.setSettings(m_settings);
    FlowVariableRepository flowVarRepository = new FlowVariableRepository(getAvailableInputFlowVariables());
    ValidationReport report = m_snippet.validateSettings(new DataTableSpec(), flowVarRepository);
    if (report.hasWarnings()) {
        setWarningMessage(StringUtils.join(report.getWarnings(), "\n"));
    }
    if (report.hasErrors()) {
        throw new InvalidSettingsException(StringUtils.join(report.getErrors(), "\n"));
    }
    m_snippet.configure(new DataTableSpec(), flowVarRepository);
    for (FlowVariable flowVar : flowVarRepository.getModified()) {
        if (flowVar.getType().equals(Type.INTEGER)) {
            pushFlowVariableInt(flowVar.getName(), flowVar.getIntValue());
        } else if (flowVar.getType().equals(Type.DOUBLE)) {
            pushFlowVariableDouble(flowVar.getName(), flowVar.getDoubleValue());
        } else {
            pushFlowVariableString(flowVar.getName(), flowVar.getStringValue());
        }
    }
    // execute if execute on config flag is set
    if (!m_settings.isRunOnExecute()) {
        performExecute(null);
    }
    return new PortObjectSpec[] { FlowVariablePortObjectSpec.INSTANCE };
}

Example 84 with FlowVariable

use of org.knime.core.node.workflow.FlowVariable in project knime-core by knime.

the class JavaSnippetNodeModel method configure.

/**
 * {@inheritDoc}
 */
@Override
protected DataTableSpec[] configure(final DataTableSpec[] inSpecs) throws InvalidSettingsException {
    m_snippet.setSettings(m_settings);
    FlowVariableRepository flowVarRepository = new FlowVariableRepository(getAvailableInputFlowVariables());
    // The following method also compile-checks the code and checks for missing converter factories
    ValidationReport report = m_snippet.validateSettings(inSpecs[0], flowVarRepository);
    if (report.hasWarnings()) {
        setWarningMessage(StringUtils.join(report.getWarnings(), "\n"));
    }
    if (report.hasErrors()) {
        throw new InvalidSettingsException(StringUtils.join(report.getErrors(), "\n"));
    }
    DataTableSpec outSpec = m_snippet.configure(inSpecs[0], flowVarRepository);
    for (FlowVariable flowVar : flowVarRepository.getModified()) {
        if (flowVar.getType().equals(Type.INTEGER)) {
            pushFlowVariableInt(flowVar.getName(), flowVar.getIntValue());
        } else if (flowVar.getType().equals(Type.DOUBLE)) {
            pushFlowVariableDouble(flowVar.getName(), flowVar.getDoubleValue());
        } else {
            pushFlowVariableString(flowVar.getName(), flowVar.getStringValue());
        }
    }
    return new DataTableSpec[] { outSpec };
}

Example 85 with FlowVariable

use of org.knime.core.node.workflow.FlowVariable in project knime-core by knime.

the class JavaSnippetNodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected BufferedDataTable[] execute(final BufferedDataTable[] inData, final ExecutionContext exec) throws Exception {
    m_snippet.setSettings(m_settings);
    FlowVariableRepository flowVarRepo = new FlowVariableRepository(getAvailableInputFlowVariables());
    BufferedDataTable output = m_snippet.execute(inData[0], flowVarRepo, exec);
    for (FlowVariable var : flowVarRepo.getModified()) {
        Type type = var.getType();
        if (type.equals(Type.INTEGER)) {
            pushFlowVariableInt(var.getName(), var.getIntValue());
        } else if (type.equals(Type.DOUBLE)) {
            pushFlowVariableDouble(var.getName(), var.getDoubleValue());
        } else {
            // case: type.equals(Type.STRING)
            pushFlowVariableString(var.getName(), var.getStringValue());
        }
    }
    return new BufferedDataTable[] { output };
}