Examples with DefaultHiLiteMapper org.knime.core.node.property.hilite.DefaultHiLiteMapper used on opensource projects

Example 1 with DefaultHiLiteMapper

use of org.knime.core.node.property.hilite.DefaultHiLiteMapper in project knime-core by knime.

the class CrosstabNodeModel method saveInternals.

/**
 * {@inheritDoc}
 */
@Override
protected void saveInternals(final File nodeInternDir, final ExecutionMonitor exec) throws IOException {
    if (m_settings.getEnableHiliting()) {
        final NodeSettings config = new NodeSettings("hilite_mapping");
        final DefaultHiLiteMapper mapper = (DefaultHiLiteMapper) m_hilite.getMapper();
        if (mapper != null) {
            mapper.save(config);
        }
        config.saveToXML(new FileOutputStream(new File(nodeInternDir, INTERNALS_FILE_NAME)));
    }
}

Example 2 with DefaultHiLiteMapper

use of org.knime.core.node.property.hilite.DefaultHiLiteMapper in project knime-core by knime.

the class CrosstabNodeModel method createGroupByTable.

/**
 * Create group-by table.
 * @param exec execution context
 * @param table input table to group
 * @param groupByCols column selected for group-by operation
 * @return table with group and aggregation columns
 * @throws CanceledExecutionException if the group-by table generation was
 *         canceled externally
 */
private final GroupByTable createGroupByTable(final ExecutionContext exec, final BufferedDataTable table, final List<String> groupByCols) throws CanceledExecutionException {
    final int maxUniqueVals = Integer.MAX_VALUE;
    final boolean enableHilite = m_settings.getEnableHiliting();
    final boolean retainOrder = false;
    final ColumnNamePolicy colNamePolicy = ColumnNamePolicy.AGGREGATION_METHOD_COLUMN_NAME;
    final GlobalSettings globalSettings = GlobalSettings.builder().setFileStoreFactory(FileStoreFactory.createWorkflowFileStoreFactory(exec)).setGroupColNames(groupByCols).setMaxUniqueValues(maxUniqueVals).setValueDelimiter(GlobalSettings.STANDARD_DELIMITER).setDataTableSpec(table.getDataTableSpec()).setNoOfRows(table.size()).setAggregationContext(AggregationContext.ROW_AGGREGATION).build();
    ColumnAggregator collAggregator = null;
    if (null != m_settings.getWeightColumn()) {
        final String weightColumn = m_settings.getWeightColumn();
        // the column aggregator for the weighting column
        final boolean inclMissing = false;
        final DataColumnSpec originalColSpec = table.getDataTableSpec().getColumnSpec(weightColumn);
        final OperatorColumnSettings opColSettings = new OperatorColumnSettings(inclMissing, originalColSpec);
        collAggregator = new ColumnAggregator(originalColSpec, new NonNegativeSumOperator(globalSettings, opColSettings), inclMissing);
    } else {
        // use any column, does not matter as long as it exists and
        // include missing is true;
        final boolean inclMissing = true;
        final DataColumnSpec originalColSpec = table.getDataTableSpec().getColumnSpec(groupByCols.get(0));
        final OperatorColumnSettings opColSettings = new OperatorColumnSettings(inclMissing, originalColSpec);
        collAggregator = new ColumnAggregator(originalColSpec, new CountOperator(globalSettings, opColSettings), inclMissing);
    }
    final GroupByTable resultTable = new BigGroupByTable(exec, table, groupByCols, new ColumnAggregator[] { collAggregator }, globalSettings, enableHilite, colNamePolicy, retainOrder);
    if (enableHilite) {
        setHiliteMapping(new DefaultHiLiteMapper(resultTable.getHiliteMapping()));
    }
    // check for skipped columns
    final String warningMsg = resultTable.getSkippedGroupsMessage(3, 3);
    if (warningMsg != null) {
        setWarningMessage(warningMsg);
    }
    return resultTable;
}

Example 3 with DefaultHiLiteMapper

use of org.knime.core.node.property.hilite.DefaultHiLiteMapper in project knime-core by knime.

the class SetOperatorNodeModel method saveInternals.

/**
 * {@inheritDoc}
 */
@Override
protected void saveInternals(final File nodeInternDir, final ExecutionMonitor exec) throws IOException {
    if (m_enableHilite.getBooleanValue()) {
        final NodeSettings config0 = new NodeSettings("hilite_mapping");
        final DefaultHiLiteMapper mapper0 = (DefaultHiLiteMapper) m_trans0.getMapper();
        if (mapper0 != null) {
            mapper0.save(config0);
        }
        config0.saveToXML(new FileOutputStream(new File(nodeInternDir, HILITE_MAPPING0)));
        final NodeSettings config1 = new NodeSettings("hilite_mapping");
        final DefaultHiLiteMapper mapper1 = (DefaultHiLiteMapper) m_trans1.getMapper();
        if (mapper1 != null) {
            mapper1.save(config1);
        }
        config1.saveToXML(new FileOutputStream(new File(nodeInternDir, HILITE_MAPPING1)));
    }
}

Example 4 with DefaultHiLiteMapper

use of org.knime.core.node.property.hilite.DefaultHiLiteMapper in project knime-core by knime.

the class SetOperatorNodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected BufferedDataTable[] execute(final BufferedDataTable[] inData, final ExecutionContext exec) throws Exception {
    if (inData.length < 2) {
        throw new IllegalArgumentException("Two input tables expected");
    }
    final SetOperation op = SetOperation.getOperation4Name(m_setOp.getStringValue());
    final SetOperationTable table = new SetOperationTable(exec, m_col1.useRowID(), m_col1.getColumnName(), inData[0], m_col2.useRowID(), m_col2.getColumnName(), inData[1], op, m_enableHilite.getBooleanValue(), m_skipMissing.getBooleanValue());
    if (m_enableHilite.getBooleanValue()) {
        m_trans0.setMapper(new DefaultHiLiteMapper(table.getHiliteMapping0()));
        m_trans1.setMapper(new DefaultHiLiteMapper(table.getHiliteMapping1()));
    }
    return new BufferedDataTable[] { table.getBufferedTable() };
}

Example 5 with DefaultHiLiteMapper

use of org.knime.core.node.property.hilite.DefaultHiLiteMapper in project knime-core by knime.

the class UngroupNodeModel method saveInternals.

/**
 * {@inheritDoc}
 */
@Override
protected void saveInternals(final File nodeInternDir, final ExecutionMonitor exec) throws IOException, CanceledExecutionException {
    if (m_enableHilite.getBooleanValue()) {
        final NodeSettings config = new NodeSettings("hilite_mapping");
        final DefaultHiLiteMapper mapper = (DefaultHiLiteMapper) m_trans.getMapper();
        if (mapper != null) {
            // the mapper is null if the node produces an empty data table
            mapper.save(config);
        }
        config.saveToXML(new GZIPOutputStream(new FileOutputStream(new File(nodeInternDir, "hilite_mapping.xml.gz"))));
    }
}