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Example 1 with RowInput

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

the class RuleEngine2PortsNodeModel method createStreamableOperator.

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

        private StreamInternalWithPortObject m_internals;

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

        /**
         * {@inheritDoc}
         */
        @Override
        public void runIntermediate(final PortInput[] inputs, final ExecutionContext exec) throws Exception {
            // count number of rows
            long count = 0;
            final RowInput rowInput = (RowInput) inputs[DATA_PORT];
            while (rowInput.poll() != null) {
                count++;
            }
            if (inputs[RULE_PORT] instanceof RowInput) {
                final RowInput ruleInput = (RowInput) inputs[RULE_PORT];
                final Pair<ColumnRearranger, PortObject> pair = createColumnRearranger(rowInput.getDataTableSpec(), ruleInput);
                final ColumnRearranger rearranger = pair.getFirst();
                final DataTableSpec spec = rearranger.createSpec();
                m_internals.setTableSpec(spec);
                if (pair.getSecond() instanceof PMMLPortObject) {
                    PMMLPortObject po = (PMMLPortObject) pair.getSecond();
                    m_internals.setObject(po);
                } else {
                    m_internals.setObject(null);
                }
            }
            m_internals.setRowCount(count);
        }

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

        @Override
        public void runFinal(final PortInput[] inputs, final PortOutput[] outputs, final ExecutionContext exec) throws Exception {
            if (m_internals.getTableSpec() != null) {
                m_rowCount = m_internals.getRowCount();
            }
            final Pair<ColumnRearranger, PortObject> pair = createColumnRearranger((DataTableSpec) inSpecs[DATA_PORT], (RowInput) inputs[RULE_PORT]);
            pair.getFirst().createStreamableFunction(0, 0).runFinal(inputs, outputs, exec);
            if (pair.getSecond() != null) {
                ((PortObjectOutput) outputs[1]).setPortObject(pair.getSecond());
            }
        }
    };
}
Also used : DataTableSpec(org.knime.core.data.DataTableSpec) ExecutionContext(org.knime.core.node.ExecutionContext) ColumnRearranger(org.knime.core.data.container.ColumnRearranger) PMMLPortObject(org.knime.core.node.port.pmml.PMMLPortObject) StreamableOperator(org.knime.core.node.streamable.StreamableOperator) StreamableOperatorInternals(org.knime.core.node.streamable.StreamableOperatorInternals) DataTableRowInput(org.knime.core.node.streamable.DataTableRowInput) RowInput(org.knime.core.node.streamable.RowInput) PortObject(org.knime.core.node.port.PortObject) PMMLPortObject(org.knime.core.node.port.pmml.PMMLPortObject) InactiveBranchPortObject(org.knime.core.node.port.inactive.InactiveBranchPortObject) PortObjectOutput(org.knime.core.node.streamable.PortObjectOutput)

Example 2 with RowInput

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

the class RuleEngineFilter2PortsNodeModel method createStreamableOperator.

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

        private SimpleStreamableOperatorInternals m_internals;

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

        /**
         * {@inheritDoc}
         */
        @Override
        public void runIntermediate(final PortInput[] inputs, final ExecutionContext exec) throws Exception {
            // count number of rows
            long count = 0;
            RowInput rowInput = (RowInput) inputs[DATA_PORT];
            while (rowInput.poll() != null) {
                count++;
            }
            m_internals.getConfig().addLong(CFG_ROW_COUNT, count);
        }

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

        @Override
        public void runFinal(final PortInput[] inputs, final PortOutput[] outputs, final ExecutionContext exec) throws Exception {
            long rowCount = -1L;
            if (m_internals.getConfig().containsKey(CFG_ROW_COUNT)) {
                rowCount = m_internals.getConfig().getLong(CFG_ROW_COUNT);
            }
            m_rulesList.clear();
            final PortInput rulePort = inputs[RULE_PORT];
            if (rulePort instanceof PortObjectInput) {
                PortObjectInput poRule = (PortObjectInput) rulePort;
                m_rulesList.addAll(RuleEngineVariable2PortsNodeModel.rules((BufferedDataTable) poRule.getPortObject(), m_settings, RuleNodeSettings.RuleFilter));
            } else if (rulePort instanceof RowInput) {
                RowInput riRule = (RowInput) rulePort;
                m_rulesList.addAll(RuleEngineVariable2PortsNodeModel.rules(riRule, m_settings, RuleNodeSettings.RuleFilter));
            }
            final DataTableSpec spec = (DataTableSpec) inSpecs[DATA_PORT];
            try {
                parseRules(spec, RuleNodeSettings.RuleSplitter);
            } catch (final ParseException e) {
                throw new InvalidSettingsException(e);
            }
            final RowInput inputPartitions = (RowInput) inputs[DATA_PORT];
            final List<Rule> rules = parseRules(inputPartitions.getDataTableSpec(), RuleNodeSettings.RuleFilter);
            final RowOutput first = (RowOutput) outputs[0];
            final int nrOutPorts = getNrOutPorts();
            final RowOutput second = nrOutPorts > 1 ? (RowOutput) outputs[1] : new RowOutput() {

                @Override
                public void push(final DataRow row) throws InterruptedException {
                // do nothing
                }

                @Override
                public void close() throws InterruptedException {
                // do nothing
                }
            };
            final RowOutput[] containers = new RowOutput[] { first, second };
            final int matchIndex = m_includeOnMatch ? 0 : 1;
            final int otherIndex = 1 - matchIndex;
            try {
                final MutableLong rowIdx = new MutableLong(0L);
                final long rows = rowCount;
                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();
                    }
                };
                DataRow row;
                while ((row = inputPartitions.poll()) != null) {
                    rowIdx.increment();
                    if (rows > 0) {
                        exec.setProgress(rowIdx.longValue() / (double) rows, () -> "Adding row " + rowIdx.longValue() + " of " + rows);
                    } else {
                        exec.setMessage(() -> "Adding row " + rowIdx.longValue() + " of " + rows);
                    }
                    exec.checkCanceled();
                    boolean wasMatch = false;
                    for (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].push(row);
                            } else {
                                containers[matchIndex].push(row);
                            }
                            wasMatch = true;
                            break;
                        }
                    }
                    if (!wasMatch) {
                        containers[otherIndex].push(row);
                    }
                }
            } finally {
                try {
                    second.close();
                } finally {
                    first.close();
                }
            }
        }
    };
}
Also used : DataTableSpec(org.knime.core.data.DataTableSpec) DataValue(org.knime.core.data.DataValue) StreamableOperator(org.knime.core.node.streamable.StreamableOperator) StreamableOperatorInternals(org.knime.core.node.streamable.StreamableOperatorInternals) SimpleStreamableOperatorInternals(org.knime.core.node.streamable.simple.SimpleStreamableOperatorInternals) DataTableRowInput(org.knime.core.node.streamable.DataTableRowInput) RowInput(org.knime.core.node.streamable.RowInput) DataRow(org.knime.core.data.DataRow) PortObjectInput(org.knime.core.node.streamable.PortObjectInput) RowAppenderRowOutput(org.knime.base.node.rules.engine.RowAppenderRowOutput) BufferedDataTableRowOutput(org.knime.core.node.streamable.BufferedDataTableRowOutput) RowOutput(org.knime.core.node.streamable.RowOutput) VariableProvider(org.knime.base.node.rules.engine.VariableProvider) BooleanValue(org.knime.core.data.BooleanValue) BufferedDataTable(org.knime.core.node.BufferedDataTable) PortInput(org.knime.core.node.streamable.PortInput) SimpleStreamableOperatorInternals(org.knime.core.node.streamable.simple.SimpleStreamableOperatorInternals) MutableLong(org.apache.commons.lang3.mutable.MutableLong) ExecutionContext(org.knime.core.node.ExecutionContext) InvalidSettingsException(org.knime.core.node.InvalidSettingsException) ParseException(java.text.ParseException) Rule(org.knime.base.node.rules.engine.Rule)

Example 3 with RowInput

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

the class RuleEngineFilterNodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected BufferedDataTable[] execute(final BufferedDataTable[] inData, final ExecutionContext exec) throws Exception {
    RowInput input = new DataTableRowInput(inData[0]);
    final BufferedDataContainer first = exec.createDataContainer(inData[0].getDataTableSpec(), true);
    final int nrOutPorts = getNrOutPorts();
    final BufferedDataContainer second = exec.createDataContainer(inData[0].getDataTableSpec(), true);
    BufferedDataTableRowOutput[] outputs = new BufferedDataTableRowOutput[] { new BufferedDataTableRowOutput(first), new BufferedDataTableRowOutput(second) };
    execute(input, outputs, inData[0].size(), exec);
    return nrOutPorts == 2 ? new BufferedDataTable[] { outputs[0].getDataTable(), outputs[1].getDataTable() } : new BufferedDataTable[] { outputs[0].getDataTable() };
}
Also used : BufferedDataContainer(org.knime.core.node.BufferedDataContainer) DataTableRowInput(org.knime.core.node.streamable.DataTableRowInput) DataTableRowInput(org.knime.core.node.streamable.DataTableRowInput) RowInput(org.knime.core.node.streamable.RowInput) BufferedDataTableRowOutput(org.knime.core.node.streamable.BufferedDataTableRowOutput)

Example 4 with RowInput

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

the class RuleEngineNodeModel method createStreamableOperator.

/**
 * {@inheritDoc}
 */
@Override
public StreamableOperator createStreamableOperator(final PartitionInfo partitionInfo, final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    final DataTableSpec spec = (DataTableSpec) inSpecs[0];
    final List<Rule> parsedRules;
    try {
        parsedRules = parseRules(spec, RuleNodeSettings.RuleEngine);
    } catch (final ParseException e) {
        throw new InvalidSettingsException(e);
    }
    return new StreamableOperator() {

        private SimpleStreamableOperatorInternals m_internals;

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

        /**
         * {@inheritDoc}
         */
        @Override
        public void runIntermediate(final PortInput[] inputs, final ExecutionContext exec) throws Exception {
            // count number of rows
            long count = 0;
            RowInput rowInput = (RowInput) inputs[0];
            while (rowInput.poll() != null) {
                count++;
            }
            m_internals.getConfig().addLong(CFG_ROW_COUNT, count);
        }

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

        @Override
        public void runFinal(final PortInput[] inputs, final PortOutput[] outputs, final ExecutionContext exec) throws Exception {
            long rowCount = -1L;
            if (m_internals.getConfig().containsKey(CFG_ROW_COUNT)) {
                rowCount = m_internals.getConfig().getLong(CFG_ROW_COUNT);
            }
            createRearranger(((RowInput) inputs[0]).getDataTableSpec(), parsedRules, rowCount, false).createStreamableFunction(0, 0).runFinal(inputs, outputs, exec);
        }
    };
}
Also used : DataTableSpec(org.knime.core.data.DataTableSpec) SimpleStreamableOperatorInternals(org.knime.core.node.streamable.simple.SimpleStreamableOperatorInternals) ExecutionContext(org.knime.core.node.ExecutionContext) InvalidSettingsException(org.knime.core.node.InvalidSettingsException) StreamableOperator(org.knime.core.node.streamable.StreamableOperator) ParseException(java.text.ParseException) SimpleStreamableOperatorInternals(org.knime.core.node.streamable.simple.SimpleStreamableOperatorInternals) StreamableOperatorInternals(org.knime.core.node.streamable.StreamableOperatorInternals) RowInput(org.knime.core.node.streamable.RowInput)

Example 5 with RowInput

use of org.knime.core.node.streamable.RowInput 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();
        }
    };
}
Also used : Arrays(java.util.Arrays) NodeSettingsRO(org.knime.core.node.NodeSettingsRO) DataTableSpec(org.knime.core.data.DataTableSpec) InvalidSettingsException(org.knime.core.node.InvalidSettingsException) CanceledExecutionException(org.knime.core.node.CanceledExecutionException) ZonedDateTime(java.time.ZonedDateTime) UniqueNameGenerator(org.knime.core.util.UniqueNameGenerator) LocalDateTime(java.time.LocalDateTime) AppendedColumnRow(org.knime.core.data.append.AppendedColumnRow) LocalTimeValue(org.knime.core.data.time.localtime.LocalTimeValue) LocalDateValue(org.knime.core.data.time.localdate.LocalDateValue) ExecutionContext(org.knime.core.node.ExecutionContext) SingleCellFactory(org.knime.core.data.container.SingleCellFactory) StreamableOperatorInternals(org.knime.core.node.streamable.StreamableOperatorInternals) DataColumnSpec(org.knime.core.data.DataColumnSpec) DataColumnSpecCreator(org.knime.core.data.DataColumnSpecCreator) LocalTime(java.time.LocalTime) ZoneOffset(java.time.ZoneOffset) DataCell(org.knime.core.data.DataCell) ZonedDateTimeValue(org.knime.core.data.time.zoneddatetime.ZonedDateTimeValue) PortInput(org.knime.core.node.streamable.PortInput) ExecutionMonitor(org.knime.core.node.ExecutionMonitor) PartitionInfo(org.knime.core.node.streamable.PartitionInfo) RowInput(org.knime.core.node.streamable.RowInput) PortObjectSpec(org.knime.core.node.port.PortObjectSpec) IOException(java.io.IOException) SettingsModelColumnFilter2(org.knime.core.node.defaultnodesettings.SettingsModelColumnFilter2) OutputPortRole(org.knime.core.node.streamable.OutputPortRole) ReplacedColumnsDataRow(org.knime.base.data.replace.ReplacedColumnsDataRow) NodeModel(org.knime.core.node.NodeModel) File(java.io.File) DataRow(org.knime.core.data.DataRow) SettingsModelString(org.knime.core.node.defaultnodesettings.SettingsModelString) PortOutput(org.knime.core.node.streamable.PortOutput) NodeSettingsWO(org.knime.core.node.NodeSettingsWO) TimeUnit(java.util.concurrent.TimeUnit) BufferedDataTable(org.knime.core.node.BufferedDataTable) LocalDateTimeValue(org.knime.core.data.time.localdatetime.LocalDateTimeValue) InputPortRole(org.knime.core.node.streamable.InputPortRole) LocalDate(java.time.LocalDate) ColumnRearranger(org.knime.core.data.container.ColumnRearranger) DateAndTimeCell(org.knime.core.data.date.DateAndTimeCell) RowOutput(org.knime.core.node.streamable.RowOutput) StreamableOperator(org.knime.core.node.streamable.StreamableOperator) DataTableSpec(org.knime.core.data.DataTableSpec) DataColumnSpecCreator(org.knime.core.data.DataColumnSpecCreator) StreamableOperator(org.knime.core.node.streamable.StreamableOperator) SettingsModelString(org.knime.core.node.defaultnodesettings.SettingsModelString) RowInput(org.knime.core.node.streamable.RowInput) ReplacedColumnsDataRow(org.knime.base.data.replace.ReplacedColumnsDataRow) DataRow(org.knime.core.data.DataRow) UniqueNameGenerator(org.knime.core.util.UniqueNameGenerator) RowOutput(org.knime.core.node.streamable.RowOutput) ExecutionContext(org.knime.core.node.ExecutionContext) DataColumnSpec(org.knime.core.data.DataColumnSpec) DataCell(org.knime.core.data.DataCell) ReplacedColumnsDataRow(org.knime.base.data.replace.ReplacedColumnsDataRow) AppendedColumnRow(org.knime.core.data.append.AppendedColumnRow)

Aggregations

RowInput (org.knime.core.node.streamable.RowInput)35 ExecutionContext (org.knime.core.node.ExecutionContext)27 StreamableOperator (org.knime.core.node.streamable.StreamableOperator)27 RowOutput (org.knime.core.node.streamable.RowOutput)22 DataTableSpec (org.knime.core.data.DataTableSpec)18 DataTableRowInput (org.knime.core.node.streamable.DataTableRowInput)16 DataRow (org.knime.core.data.DataRow)13 ColumnRearranger (org.knime.core.data.container.ColumnRearranger)11 BufferedDataTable (org.knime.core.node.BufferedDataTable)10 BufferedDataTableRowOutput (org.knime.core.node.streamable.BufferedDataTableRowOutput)9 StreamableOperatorInternals (org.knime.core.node.streamable.StreamableOperatorInternals)9 InvalidSettingsException (org.knime.core.node.InvalidSettingsException)8 SimpleStreamableOperatorInternals (org.knime.core.node.streamable.simple.SimpleStreamableOperatorInternals)7 DataCell (org.knime.core.data.DataCell)6 BufferedDataContainer (org.knime.core.node.BufferedDataContainer)6 SettingsModelString (org.knime.core.node.defaultnodesettings.SettingsModelString)6 PortInput (org.knime.core.node.streamable.PortInput)6 IOException (java.io.IOException)5 CanceledExecutionException (org.knime.core.node.CanceledExecutionException)5 File (java.io.File)4