Examples with RuntimeCanceledExecutionException org.knime.base.data.append.row.AppendedRowsIterator.RuntimeCanceledExecutionException used on opensource projects

Example 1 with RuntimeCanceledExecutionException

use of org.knime.base.data.append.row.AppendedRowsIterator.RuntimeCanceledExecutionException in project knime-core by knime.

the class EndcaseNodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected PortObject[] execute(final PortObject[] inData, final ExecutionContext exec) throws Exception {
    Vector<BufferedDataTable> tables = new Vector<BufferedDataTable>();
    for (int i = 0; i < getNrInPorts(); i++) {
        if (inData[i] != null) {
            // if connected...
            if (!(inData[i] instanceof InactiveBranchPortObject)) {
                // ...and active, add it:
                tables.add((BufferedDataTable) inData[i]);
            }
        }
    }
    if (tables.size() == 0) {
        // be connected!)
        assert inData[0] instanceof InactiveBranchPortObject;
        if (m_enableHiliting) {
            // create empty hilite translation map (so we correctly
            // handle the internals).
            Map<RowKey, Set<RowKey>> map = new HashMap<RowKey, Set<RowKey>>();
            m_hiliteTranslator.setMapper(new DefaultHiLiteMapper(map));
        }
        return new PortObject[] { inData[0] };
    }
    assert tables.size() > 0;
    // check compatibility of specs against first spec in list
    for (int i = 1; i < tables.size(); i++) {
        if (!(tables.get(0).getSpec().equalStructure(tables.get(i).getSpec()))) {
            // incompatible - refuse to execute
            throw new Exception("The data table structures of the active " + "ports are not compatible.");
        }
    }
    int totalRowCount = 0;
    DataTable[] dtables = new DataTable[tables.size()];
    int i = 0;
    for (BufferedDataTable t : tables) {
        totalRowCount += t.getRowCount();
        dtables[i] = t;
        i++;
    }
    AppendedRowsTable out = new AppendedRowsTable((m_isAppendSuffix ? m_suffix : null), dtables);
    // note, this iterator throws runtime exceptions when canceled.
    AppendedRowsIterator it = out.iterator(exec, totalRowCount);
    BufferedDataContainer c = exec.createDataContainer(out.getDataTableSpec());
    try {
        while (it.hasNext()) {
            // may throw exception, also sets progress
            c.addRowToTable(it.next());
        }
    } catch (RuntimeCanceledExecutionException rcee) {
        throw rcee.getCause();
    } finally {
        c.close();
    }
    if (it.getNrRowsSkipped() > 0) {
        setWarningMessage("Filtered out " + it.getNrRowsSkipped() + " duplicate row id(s).");
    }
    if (m_enableHiliting) {
        // create hilite translation map
        Map<RowKey, Set<RowKey>> map = new HashMap<RowKey, Set<RowKey>>();
        // map of all RowKeys and duplicate RowKeys in the resulting table
        Map<RowKey, RowKey> dupMap = it.getDuplicateNameMap();
        for (Map.Entry<RowKey, RowKey> e : dupMap.entrySet()) {
            // if a duplicate key
            if (!e.getKey().equals(e.getValue())) {
                Set<RowKey> set = Collections.singleton(e.getValue());
                // put duplicate key and original key into map
                map.put(e.getKey(), set);
            } else {
                // skip duplicate keys
                if (!dupMap.containsKey(new RowKey(e.getKey().getString() + m_suffix))) {
                    Set<RowKey> set = Collections.singleton(e.getValue());
                    map.put(e.getKey(), set);
                }
            }
        }
        m_hiliteTranslator.setMapper(new DefaultHiLiteMapper(map));
    }
    return new BufferedDataTable[] { c.getTable() };
}