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

Example 51 with StreamableOperator

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

the class RowKeyNodeModel2 method createStreamableOperator.

/**
 * {@inheritDoc}
 */
@Override
public StreamableOperator createStreamableOperator(final PartitionInfo partitionInfo, final PortObjectSpec[] inSpecs) throws InvalidSettingsException {
    LOGGER.debug("Entering createStreamableOperator-method of class RowKeyNodeModel");
    if (m_replaceKey.getBooleanValue()) {
        DataTableSpec outSpec = configure((DataTableSpec) inSpecs[DATA_IN_PORT], true);
        return new StreamableOperator() {

            @Override
            public void runFinal(final PortInput[] inputs, final PortOutput[] outputs, final ExecutionContext exec) throws Exception {
                RowInput rowInput = (RowInput) inputs[DATA_IN_PORT];
                RowOutput rowOutput = (RowOutput) outputs[DATA_OUT_PORT];
                replaceKey(rowInput, rowOutput, outSpec.getNumColumns(), -1, exec);
            }
        };
    } else if (m_appendRowKey.getBooleanValue()) {
        LOGGER.debug("The user only wants to append a new column with " + "name " + m_newColumnName);
        // the user wants only a column with the given name which
        // contains the rowkey as value
        final DataTableSpec tableSpec = (DataTableSpec) inSpecs[DATA_IN_PORT];
        final String newColumnName = m_newColumnName.getStringValue();
        final ColumnRearranger c = RowKeyUtil2.createColumnRearranger(tableSpec, newColumnName, StringCell.TYPE);
        return c.createStreamableFunction();
    } else {
        // the given data
        return new StreamableFunction() {

            @Override
            public DataRow compute(final DataRow input) throws Exception {
                return input;
            }
        };
    }
}

Example 52 with StreamableOperator

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

the class SVMPredictorNodeModel 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 {
            PMMLPortObject pmmlModel = (PMMLPortObject) ((PortObjectInput) inputs[0]).getPortObject();
            ColumnRearranger colre = createColumnRearranger(pmmlModel, (DataTableSpec) inSpecs[1]);
            StreamableFunction func = colre.createStreamableFunction(1, 0);
            func.runFinal(inputs, outputs, exec);
        }
    };
}

Example 53 with StreamableOperator

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

the class AppendedRowsNodeModel 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 {
            List<RowInput> noNullList = new ArrayList<RowInput>();
            for (PortInput p : inputs) {
                if (p != null) {
                    noNullList.add((RowInput) p);
                }
            }
            RowInput[] rowInputs = noNullList.toArray(new RowInput[noNullList.size()]);
            run(rowInputs, (RowOutput) outputs[0], exec, -1);
        }
    };
}

Example 54 with StreamableOperator

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

the class MLPPredictorNodeModel 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 {
            PMMLPortObject pmmlPortObject = (PMMLPortObject) ((PortObjectInput) inputs[0]).getPortObject();
            ColumnRearranger colre = createColumnRearranger(pmmlPortObject, (DataTableSpec) inSpecs[1]);
            StreamableFunction func = colre.createStreamableFunction(1, 0);
            func.runFinal(inputs, outputs, exec);
        }
    };
}

Example 55 with StreamableOperator

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

the class ReadTableNodeModel 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 {
            exec.setMessage("Extract temporary table");
            ContainerTable table = extractTable(exec.createSubExecutionContext(0.4));
            exec.setMessage("Streaming Output");
            RowOutput output = (RowOutput) outputs[0];
            execute(table, output, exec.createSubExecutionContext(0.6));
        }
    };
}