Examples with ColumnCalculator org.knime.ext.sun.nodes.script.calculator.ColumnCalculator used on opensource projects

Example 6 with ColumnCalculator

use of org.knime.ext.sun.nodes.script.calculator.ColumnCalculator in project knime-core by knime.

the class StringManipulationNodeModel method createColumnRearranger.

private ColumnRearranger createColumnRearranger(final DataTableSpec spec) throws InvalidSettingsException {
    if (m_settings == null || m_settings.getExpression() == null) {
        throw new InvalidSettingsException("No expression has been set.");
    }
    boolean isReplace = m_settings.isReplace();
    String colName = m_settings.getColName();
    JavaScriptingSettings settings = m_settings.createJavaScriptingSettings();
    try {
        settings.setInputAndCompile(spec);
        ColumnCalculator cc = new ColumnCalculator(settings, this);
        ColumnRearranger result = new ColumnRearranger(spec);
        if (isReplace) {
            result.replace(cc, colName);
        } else {
            result.append(cc);
        }
        return result;
    } catch (Exception e) {
        throw new InvalidSettingsException(e.getMessage(), e);
    }
}