use of org.knime.core.util.UniqueNameGenerator in project knime-core by knime.
the class StringManipulationVariableNodeModel method calculate.
/**
* @throws CompilationFailedException
* @throws InstantiationException
* @throws Exception
*/
private void calculate() throws InvalidSettingsException, CompilationFailedException, InstantiationException {
if (m_settings == null || m_settings.getExpression() == null) {
throw new InvalidSettingsException("No expression has been set.");
}
JavaScriptingSettings settings = m_settings.createJavaScriptingSettings();
settings.setInputAndCompile(new DataTableSpec());
// calculate the result
ColumnCalculator cc = new ColumnCalculator(settings, this);
DataCell calculate = null;
try {
calculate = cc.calculate(new DefaultRow(new RowKey(""), new DataCell[] {}));
} catch (NoSuchElementException e) {
throw new InvalidSettingsException(e.getMessage());
}
String newVariableName;
Map<String, FlowVariable> inputFlowVariables = getAvailableInputFlowVariables();
if (m_settings.isReplace()) {
newVariableName = m_settings.getColName();
CheckUtils.checkSettingNotNull(inputFlowVariables.get(newVariableName), "Can't replace input variable '%s' -- it does not exist in the input", newVariableName);
} else {
newVariableName = new UniqueNameGenerator(inputFlowVariables.keySet()).newName(m_settings.getColName());
}
// convert and push result as flow variable
CheckUtils.checkSetting(!calculate.isMissing(), "Calculation returned missing value");
Class<? extends DataCell> cellType = calculate.getClass();
if (cellType.equals(IntCell.class)) {
pushFlowVariableInt(newVariableName, ((IntCell) calculate).getIntValue());
} else if (cellType.equals(DoubleCell.class)) {
pushFlowVariableDouble(newVariableName, ((DoubleCell) calculate).getDoubleValue());
} else if (cellType.equals(StringCell.class)) {
pushFlowVariableString(newVariableName, ((StringCell) calculate).getStringValue());
} else {
throw new RuntimeException("Invalid variable class: " + cellType);
}
}
use of org.knime.core.util.UniqueNameGenerator in project knime-core by knime.
the class NewToOldTimeNodeModel method createStreamableOperator.
/**
* {@inheritDoc}
*/
@Override
public StreamableOperator createStreamableOperator(final PartitionInfo partitionInfo, final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
return new StreamableOperator() {
@Override
public StreamableOperatorInternals saveInternals() {
return null;
}
@Override
public void runFinal(final PortInput[] inputs, final PortOutput[] outputs, final ExecutionContext exec) throws Exception {
final RowInput in = (RowInput) inputs[0];
final RowOutput out = (RowOutput) outputs[0];
final DataTableSpec inSpec = in.getDataTableSpec();
String[] includeList = m_colSelect.applyTo(inSpec).getIncludes();
final int[] includeIndeces = Arrays.stream(includeList).mapToInt(s -> inSpec.findColumnIndex(s)).toArray();
DataRow row;
while ((row = in.poll()) != null) {
exec.checkCanceled();
DataCell[] datacells = new DataCell[includeIndeces.length];
for (int i = 0; i < includeIndeces.length; i++) {
if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
final DataColumnSpecCreator dataColumnSpecCreator = new DataColumnSpecCreator(includeList[i], DateAndTimeCell.TYPE);
final ConvertTimeCellFactory cellFac = new ConvertTimeCellFactory(dataColumnSpecCreator.createSpec(), includeIndeces[i]);
datacells[i] = cellFac.getCells(row)[0];
} else {
final DataColumnSpec dataColSpec = new UniqueNameGenerator(inSpec).newColumn(includeList[i] + m_suffix.getStringValue(), DateAndTimeCell.TYPE);
final ConvertTimeCellFactory cellFac = new ConvertTimeCellFactory(dataColSpec, includeIndeces[i]);
datacells[i] = cellFac.getCells(row)[0];
}
}
if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
out.push(new ReplacedColumnsDataRow(row, datacells, includeIndeces));
} else {
out.push(new AppendedColumnRow(row, datacells));
}
}
in.close();
out.close();
}
};
}
use of org.knime.core.util.UniqueNameGenerator in project knime-core by knime.
the class StringToDateTimeNodeModel method createColumnRearranger.
/**
* {@inheritDoc}
*/
@Override
protected ColumnRearranger createColumnRearranger(final DataTableSpec inSpec) {
final ColumnRearranger rearranger = new ColumnRearranger(inSpec);
final String[] includeList = m_colSelect.applyTo(inSpec).getIncludes();
final int[] includeIndeces = Arrays.stream(m_colSelect.applyTo(inSpec).getIncludes()).mapToInt(s -> inSpec.findColumnIndex(s)).toArray();
int i = 0;
for (String includedCol : includeList) {
if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
final DataColumnSpecCreator dataColumnSpecCreator = new DataColumnSpecCreator(includedCol, DateTimeType.valueOf(m_selectedType).getDataType());
final StringToTimeCellFactory cellFac = new StringToTimeCellFactory(dataColumnSpecCreator.createSpec(), includeIndeces[i++]);
rearranger.replace(cellFac, includedCol);
} else {
final DataColumnSpec dataColSpec = new UniqueNameGenerator(inSpec).newColumn(includedCol + m_suffix.getStringValue(), DateTimeType.valueOf(m_selectedType).getDataType());
final StringToTimeCellFactory cellFac = new StringToTimeCellFactory(dataColSpec, includeIndeces[i++]);
rearranger.append(cellFac);
}
}
return rearranger;
}
use of org.knime.core.util.UniqueNameGenerator in project knime-core by knime.
the class StringToDurationPeriodNodeModel method createColumnRearranger.
private ColumnRearranger createColumnRearranger(final DataTableSpec spec) throws InvalidSettingsException {
final ColumnRearranger rearranger = new ColumnRearranger(spec);
final String[] includeList = m_colSelect.applyTo(spec).getIncludes();
final int[] includeIndices = Arrays.stream(m_colSelect.applyTo(spec).getIncludes()).mapToInt(s -> spec.findColumnIndex(s)).toArray();
int i = 0;
for (final String includedCol : includeList) {
if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
final DataColumnSpecCreator dataColumnSpecCreator = new DataColumnSpecCreator(includedCol, m_detectedTypes[i]);
final StringToDurationPeriodCellFactory cellFac = new StringToDurationPeriodCellFactory(dataColumnSpecCreator.createSpec(), includeIndices[i++]);
rearranger.replace(cellFac, includedCol);
} else {
final DataColumnSpec dataColSpec = new UniqueNameGenerator(spec).newColumn(includedCol + m_suffix.getStringValue(), m_detectedTypes[i]);
final StringToDurationPeriodCellFactory cellFac = new StringToDurationPeriodCellFactory(dataColSpec, includeIndices[i++]);
rearranger.append(cellFac);
}
}
return rearranger;
}
use of org.knime.core.util.UniqueNameGenerator in project knime-core by knime.
the class DurationPeriodToStringNodeModel method createColumnRearranger.
/**
* {@inheritDoc}
*/
@Override
protected ColumnRearranger createColumnRearranger(final DataTableSpec spec) throws InvalidSettingsException {
if (!m_hasValidatedConfiguration) {
m_colSelect.loadDefaults(spec);
}
final ColumnRearranger rearranger = new ColumnRearranger(spec);
final String[] includeList = m_colSelect.applyTo(spec).getIncludes();
final int[] includeIndices = Arrays.stream(m_colSelect.applyTo(spec).getIncludes()).mapToInt(s -> spec.findColumnIndex(s)).toArray();
int i = 0;
for (String includedCol : includeList) {
if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
DataColumnSpecCreator dataColumnSpecCreator = new DataColumnSpecCreator(includedCol, StringCell.TYPE);
DurationPeriodToStringCellFactory cellFac = new DurationPeriodToStringCellFactory(dataColumnSpecCreator.createSpec(), includeIndices[i++]);
rearranger.replace(cellFac, includedCol);
} else {
DataColumnSpec dataColSpec = new UniqueNameGenerator(spec).newColumn(includedCol + m_suffix.getStringValue(), StringCell.TYPE);
DurationPeriodToStringCellFactory cellFac = new DurationPeriodToStringCellFactory(dataColSpec, includeIndices[i++]);
rearranger.append(cellFac);
}
}
return rearranger;
}
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