Examples with RowAppender org.knime.core.data.container.RowAppender used on opensource projects

Example 1 with RowAppender

use of org.knime.core.data.container.RowAppender in project knime-core by knime.

the class RuleEngineFilter2PortsNodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected BufferedDataTable[] execute(final BufferedDataTable[] inData, final ExecutionContext exec) throws Exception {
    BufferedDataTable ruleTable = inData[RuleEngine2PortsNodeModel.RULE_PORT];
    BufferedDataTable dataTable = inData[RuleEngine2PortsNodeModel.DATA_PORT];
    // m_rulesList.clear();
    // m_rulesList.addAll(RuleEngineVariable2PortsNodeModel.rules(ruleTable, m_settings, RuleNodeSettings.RuleFilter));
    // final List<Rule> rules = parseRules(dataTable.getDataTableSpec(), RuleNodeSettings.RuleFilter);
    final BufferedDataContainer first = exec.createDataContainer(dataTable.getDataTableSpec(), true);
    final int nrOutPorts = getNrOutPorts();
    final RowAppender second = nrOutPorts > 1 ? exec.createDataContainer(dataTable.getDataTableSpec(), true) : new RowAppender() {

        @Override
        public void addRowToTable(final DataRow row) {
        // do nothing
        }
    };
    // final RowAppender[] containers = new RowAppender[]{first, second};
    // final int matchIndex = m_includeOnMatch ? 0 : 1;
    // final int otherIndex = 1 - matchIndex;
    // 
    final BufferedDataTable[] ret = new BufferedDataTable[nrOutPorts];
    // try {
    // final MutableLong rowIdx = new MutableLong();
    // final long rows = inData[DATA_PORT].size();
    // final VariableProvider provider = new VariableProvider() {
    // @Override
    // public Object readVariable(final String name, final Class<?> type) {
    // return RuleEngineFilter2PortsNodeModel.this.readVariable(name, type);
    // }
    // 
    // @Override
    // @Deprecated
    // public int getRowCount() {
    // throw new UnsupportedOperationException();
    // }
    // 
    // @Override
    // public long getRowCountLong() {
    // return rows;
    // }
    // 
    // @Override
    // @Deprecated
    // public int getRowIndex() {
    // throw new UnsupportedOperationException();
    // }
    // 
    // @Override
    // public long getRowIndexLong() {
    // return rowIdx.longValue();
    // }
    // };
    // for (DataRow row : inData[DATA_PORT]) {
    // rowIdx.increment();
    // exec.setProgress(rowIdx.longValue() / (double)rows, "Adding row " + rowIdx.longValue() + " of " + rows);
    // exec.checkCanceled();
    // boolean wasMatch = false;
    // for (final Rule r : rules) {
    // if (r.getCondition().matches(row, provider).getOutcome() == MatchState.matchedAndStop) {
    // //                        r.getSideEffect().perform(row, provider);
    // DataValue value = r.getOutcome().getComputedResult(row, provider);
    // if (value instanceof BooleanValue) {
    // final BooleanValue bv = (BooleanValue)value;
    // containers[bv.getBooleanValue() ? matchIndex : otherIndex].addRowToTable(row);
    // } else {
    // containers[matchIndex].addRowToTable(row);
    // }
    // wasMatch = true;
    // break;
    // }
    // }
    // if (!wasMatch) {
    // containers[otherIndex].addRowToTable(row);
    // }
    // }
    // } finally {
    // first.close();
    // ret[0] = first.getTable();
    // if (second instanceof BufferedDataContainer) {
    // BufferedDataContainer container = (BufferedDataContainer)second;
    // container.close();
    // ret[1] = container.getTable();
    // }
    // }
    final PortOutput[] outputs = new PortOutput[] { new BufferedDataTableRowOutput(first), new RowAppenderRowOutput(second) };
    final StreamableOperator streamableOperator = createStreamableOperator(new PartitionInfo(0, 1), new DataTableSpec[] { inData[0].getSpec(), inData[1].getSpec() });
    final PortInput[] inputs = new PortInput[] { new DataTableRowInput(dataTable), new DataTableRowInput(ruleTable) };
    final SimpleStreamableOperatorInternals internals = new SimpleStreamableOperatorInternals();
    internals.getConfig().addLong(CFG_ROW_COUNT, dataTable.size());
    streamableOperator.loadInternals(internals);
    streamableOperator.runFinal(inputs, outputs, exec);
    ret[0] = first.getTable();
    if (ret.length > 1) {
        ret[1] = ((BufferedDataContainer) second).getTable();
    }
    return ret;
}