Examples with RowInput org.knime.core.node.streamable.RowInput used on opensource projects

Example 26 with RowInput

use of org.knime.core.node.streamable.RowInput in project knime-core by knime.

the class ColumnRenameRegexNodeModel method createStreamableOperator.

/**
 * {@inheritDoc}
 */
@Override
public StreamableOperator createStreamableOperator(final PartitionInfo partitionInfo, final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    return new StreamableOperator() {

        @Override
        public void runFinal(final PortInput[] inputs, final PortOutput[] outputs, final ExecutionContext exec) throws Exception {
            // just pass through since only the column names have been changed
            RowInput rowInput = (RowInput) inputs[0];
            RowOutput rowOutput = (RowOutput) outputs[0];
            DataRow row;
            while ((row = rowInput.poll()) != null) {
                rowOutput.push(row);
            }
            rowInput.close();
            rowOutput.close();
        }
    };
}

Example 27 with RowInput

use of org.knime.core.node.streamable.RowInput in project knime-core by knime.

the class ExtractMissingValueCauseNodeModel 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];
            ExtractMissingValueCauseNodeModel.this.execute(in, out, exec, -1);
        }
    };
}

Example 28 with RowInput

use of org.knime.core.node.streamable.RowInput in project knime-core by knime.

the class StringToDurationPeriodNodeModel method createStreamableOperator.

/**
 * {@inheritDoc}
 */
@Override
public StreamableOperator createStreamableOperator(final PartitionInfo partitionInfo, final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    return new StreamableOperator() {

        private SimpleStreamableOperatorInternals m_internals = new SimpleStreamableOperatorInternals();

        /**
         * {@inheritDoc}
         */
        @Override
        public void runIntermediate(final PortInput[] inputs, final ExecutionContext exec) throws Exception {
            final RowInput rowInput = (RowInput) inputs[0];
            final DataRow row = rowInput.poll();
            if (row != null) {
                final DataTableSpec inSpec = rowInput.getDataTableSpec();
                final int[] includeIndexes = Arrays.stream(m_colSelect.applyTo(inSpec).getIncludes()).mapToInt(s -> inSpec.findColumnIndex(s)).toArray();
                final Config config = m_internals.getConfig();
                // detect types
                detectTypes(new OneRowAdditionalRowInput(rowInput, row));
                for (int i = 0; i < m_detectedTypes.length; i++) {
                    config.addDataType("detected_type" + i, m_detectedTypes[i]);
                }
                // write detected types and column names into config
                if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
                    for (int i = 0; i < rowInput.getDataTableSpec().getNumColumns(); i++) {
                        final int searchIdx = Arrays.binarySearch(includeIndexes, i);
                        config.addString("colname" + i, inSpec.getColumnNames()[i]);
                        if (searchIdx < 0) {
                            config.addDataType("type" + i, inSpec.getColumnSpec(i).getType());
                        } else {
                            config.addDataType("type" + i, m_detectedTypes[searchIdx] != null ? m_detectedTypes[searchIdx] : null);
                        }
                    }
                    config.addInt("sizeRow", rowInput.getDataTableSpec().getNumColumns());
                } else {
                    for (int i = 0; i < inSpec.getNumColumns(); i++) {
                        config.addString("colname" + i, inSpec.getColumnNames()[i]);
                        config.addDataType("type" + i, inSpec.getColumnSpec(i).getType());
                    }
                    for (int i = 0; i < m_detectedTypes.length; i++) {
                        config.addString("colname" + (i + inSpec.getNumColumns()), new UniqueNameGenerator(inSpec).newName(inSpec.getColumnSpec(includeIndexes[i]).getName() + m_suffix.getStringValue()));
                        config.addDataType("type" + (i + inSpec.getNumColumns()), m_detectedTypes[i]);
                    }
                    config.addInt("sizeRow", inSpec.getNumColumns() + m_detectedTypes.length);
                }
                config.addBoolean("needsIteration", false);
            } else {
                m_internals.getConfig().addInt("sizeRow", 0);
            }
            rowInput.close();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public StreamableOperatorInternals saveInternals() {
            return m_internals;
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void loadInternals(final StreamableOperatorInternals internals) {
            m_internals = (SimpleStreamableOperatorInternals) internals;
        }

        @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();
            final int[] includeIndexes = Arrays.stream(m_colSelect.applyTo(inSpec).getIncludes()).mapToInt(s -> inSpec.findColumnIndex(s)).toArray();
            // read detected types from config
            final DataType[] detectedTypes = new DataType[includeIndexes.length];
            final Config config = m_internals.getConfig();
            for (int i = 0; i < includeIndexes.length; i++) {
                detectedTypes[i] = config.getDataType("detected_type" + i, null);
            }
            // compute every row
            DataRow row;
            while ((row = in.poll()) != null) {
                exec.checkCanceled();
                DataCell[] datacells = new DataCell[includeIndexes.length];
                for (int i = 0; i < includeIndexes.length; i++) {
                    if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
                        final StringToDurationPeriodCellFactory cellFac = new StringToDurationPeriodCellFactory(new DataColumnSpecCreator(inSpec.getColumnNames()[includeIndexes[i]], detectedTypes[i]).createSpec(), includeIndexes[i]);
                        datacells[i] = cellFac.getCells(row)[0];
                    } else {
                        final DataColumnSpec dataColSpec = new UniqueNameGenerator(inSpec).newColumn(inSpec.getColumnNames()[includeIndexes[i]] + m_suffix.getStringValue(), detectedTypes[i]);
                        final StringToDurationPeriodCellFactory cellFac = new StringToDurationPeriodCellFactory(dataColSpec, includeIndexes[i]);
                        datacells[i] = cellFac.getCells(row)[0];
                    }
                }
                if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
                    out.push(new ReplacedColumnsDataRow(row, datacells, includeIndexes));
                } else {
                    out.push(new AppendedColumnRow(row, datacells));
                }
            }
            in.close();
            out.close();
        }
    };
}

Example 29 with RowInput

use of org.knime.core.node.streamable.RowInput in project knime-core by knime.

the class OldToNewTimeNodeModel method createStreamableOperator.

/**
 * {@inheritDoc}
 */
@Override
public StreamableOperator createStreamableOperator(final PartitionInfo partitionInfo, final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    return new StreamableOperator() {

        SimpleStreamableOperatorInternals m_internals = new SimpleStreamableOperatorInternals();

        /**
         * {@inheritDoc}
         */
        @Override
        public void runIntermediate(final PortInput[] inputs, final ExecutionContext exec) throws Exception {
            if (partitionInfo.getPartitionIndex() == 0) {
                final RowInput rowInput = (RowInput) inputs[0];
                final DataRow row = rowInput.poll();
                if (row != null) {
                    if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
                        final DataColumnSpec[] colSpecs = new DataColumnSpec[row.getNumCells()];
                        final DataTableSpec inSpec = rowInput.getDataTableSpec();
                        final DataColumnSpec[] newColumnSpecs = getNewIncludedColumnSpecs(inSpec, row);
                        final int[] includeIndexes = Arrays.stream(m_colSelect.applyTo(inSpec).getIncludes()).mapToInt(s -> inSpec.findColumnIndex(s)).toArray();
                        for (int i = 0; i < inSpec.getNumColumns(); i++) {
                            final int searchIdx = Arrays.binarySearch(includeIndexes, i);
                            if (searchIdx < 0) {
                                colSpecs[i] = inSpec.getColumnSpec(i);
                            } else {
                                colSpecs[i] = newColumnSpecs[searchIdx];
                            }
                        }
                        final Config config = m_internals.getConfig();
                        config.addBoolean("hasIterated", false);
                        for (int i = 0; i < inSpec.getNumColumns(); i++) {
                            config.addDataType("type" + i, colSpecs[i].getType());
                            config.addString("colname" + i, colSpecs[i].getName());
                        }
                        config.addInt("sizeRow", colSpecs.length);
                    } else {
                        final DataTableSpec inSpec = rowInput.getDataTableSpec();
                        final DataColumnSpec[] newColumnSpecs = getNewIncludedColumnSpecs(inSpec, row);
                        final int[] includeIndexes = Arrays.stream(m_colSelect.applyTo(inSpec).getIncludes()).mapToInt(s -> inSpec.findColumnIndex(s)).toArray();
                        final DataColumnSpec[] colSpecs = new DataColumnSpec[row.getNumCells() + includeIndexes.length];
                        for (int i = 0; i < inSpec.getNumColumns(); i++) {
                            colSpecs[i] = inSpec.getColumnSpec(i);
                        }
                        for (int i = 0; i < newColumnSpecs.length; i++) {
                            colSpecs[i + inSpec.getNumColumns()] = new UniqueNameGenerator(inSpec).newColumn(newColumnSpecs[i].getName() + m_suffix.getStringValue(), newColumnSpecs[i].getType());
                        }
                        final Config config = m_internals.getConfig();
                        config.addBoolean("hasIterated", false);
                        for (int i = 0; i < colSpecs.length; i++) {
                            config.addDataType("type" + i, colSpecs[i].getType());
                            config.addString("colname" + i, colSpecs[i].getName());
                        }
                        config.addInt("sizeRow", colSpecs.length);
                    }
                } else {
                    m_internals.getConfig().addInt("sizeRow", 0);
                }
            }
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public StreamableOperatorInternals saveInternals() {
            return m_internals;
        }

        @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();
            final int[] includeIndexes = Arrays.stream(m_colSelect.applyTo(inSpec).getIncludes()).mapToInt(s -> inSpec.findColumnIndex(s)).toArray();
            DataRow row;
            while ((row = in.poll()) != null) {
                exec.checkCanceled();
                final DataColumnSpec[] newColumnSpecs = getNewIncludedColumnSpecs(inSpec, row);
                DataCell[] datacells = new DataCell[includeIndexes.length];
                for (int i = 0; i < includeIndexes.length; i++) {
                    if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
                        ConvertTimeCellFactory cellFac = new ConvertTimeCellFactory(newColumnSpecs[i], i, includeIndexes[i]);
                        datacells[i] = cellFac.getCells(row)[0];
                    } else {
                        final DataColumnSpec dataColSpec = new UniqueNameGenerator(inSpec).newColumn(newColumnSpecs[i].getName() + m_suffix.getStringValue(), newColumnSpecs[i].getType());
                        ConvertTimeCellFactory cellFac = new ConvertTimeCellFactory(dataColSpec, i, includeIndexes[i]);
                        datacells[i] = cellFac.getCells(row)[0];
                    }
                }
                if (m_isReplaceOrAppend.getStringValue().equals(OPTION_REPLACE)) {
                    out.push(new ReplacedColumnsDataRow(row, datacells, includeIndexes));
                } else {
                    out.push(new AppendedColumnRow(row, datacells));
                }
            }
            in.close();
            out.close();
        }
    };
}

Example 30 with RowInput

use of org.knime.core.node.streamable.RowInput in project knime-core by knime.

the class DateTimeBasedRowFilterNodeModel method createStreamableOperator.

/**
 * {@inheritDoc}
 */
@Override
public StreamableOperator createStreamableOperator(final PartitionInfo partitionInfo, final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    return new StreamableOperator() {

        @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];
            // read input
            final int colIdx = in.getDataTableSpec().findColumnIndex(m_colSelect.getStringValue());
            final ZonedDateTime executionStartTime = m_startAlwaysNow.getBooleanValue() ? ZonedDateTime.now() : null;
            final ZonedDateTime executionEndTime = m_endAlwaysNow.getBooleanValue() ? ZonedDateTime.now() : null;
            // filter rows
            final DataType colDataType = in.getDataTableSpec().getColumnSpec(colIdx).getType();
            DataRow row;
            while ((row = in.poll()) != null) {
                exec.checkCanceled();
                final DataCell cell = row.getCell(colIdx);
                if (!cell.isMissing()) {
                    if (cell instanceof LocalDateValue && filterRowLocalDate(((LocalDateValue) cell).getLocalDate(), executionStartTime, executionEndTime)) {
                        out.push(row);
                    } else if (cell instanceof LocalTimeValue && filterRowLocalTime(((LocalTimeValue) cell).getLocalTime(), executionStartTime, executionEndTime)) {
                        out.push(row);
                    } else if (cell instanceof LocalDateTimeValue && filterRowLocalDateTime(((LocalDateTimeValue) cell).getLocalDateTime(), executionStartTime, executionEndTime)) {
                        out.push(row);
                    } else if (cell instanceof ZonedDateTimeValue && filterRowZonedDateTime(((ZonedDateTimeValue) cell).getZonedDateTime(), executionStartTime, executionEndTime)) {
                        out.push(row);
                    }
                }
            }
            in.close();
            out.close();
        }
    };
}