Examples with DataTable org.knime.core.data.DataTable used on opensource projects

Example 46 with DataTable

use of org.knime.core.data.DataTable in project knime-core by knime.

the class TableSorterWorker method doInBackground.

/**
 * {@inheritDoc}
 */
@Override
protected DataTable doInBackground() throws Exception {
    // passed to table sorter for progress
    long rowCount;
    if (m_inputTable instanceof BufferedDataTable) {
        rowCount = ((BufferedDataTable) m_inputTable).size();
    } else if (m_inputTable instanceof ContainerTable) {
        rowCount = ((ContainerTable) m_inputTable).size();
    } else {
        // unknown, no progress
        rowCount = -1;
    }
    publish(new NodeProgress(0.0, "Starting table sort..."));
    Collection<String> sortColNames = new ArrayList<String>(2);
    DataTableSpec spec = m_inputTable.getDataTableSpec();
    for (int i : m_sortOrder.getSortColumnIndices()) {
        String name;
        if (i < 0) {
            // row id
            name = DataTableSorter.ROWKEY_SORT_SPEC.getName();
        } else {
            name = spec.getColumnSpec(i).getName();
        }
        sortColNames.add(name);
    }
    long start = System.currentTimeMillis();
    LOGGER.debug("Starting interactive table sorting on column(s) " + sortColNames);
    boolean[] sortOrders = m_sortOrder.getSortColumnOrder();
    // it DOES NOT respect blobs -- they will be copied (expensive)
    DataTableSorter sorter = new DataTableSorter(m_inputTable, rowCount, sortColNames, sortOrders, false);
    NodeProgressListener progLis = new NodeProgressListener() {

        @Override
        public void progressChanged(final NodeProgressEvent pe) {
            publish(pe.getNodeProgress());
        }
    };
    m_nodeProgressMonitor = new DefaultNodeProgressMonitor();
    ExecutionMonitor exec = new ExecutionMonitor(m_nodeProgressMonitor);
    m_nodeProgressMonitor.addProgressListener(progLis);
    try {
        DataTable result = sorter.sort(exec);
        long elapsedMS = System.currentTimeMillis() - start;
        String time = StringFormat.formatElapsedTime(elapsedMS);
        LOGGER.debug("Interactive table sorting finished (" + time + ")");
        return result;
    } finally {
        m_nodeProgressMonitor.removeProgressListener(progLis);
    }
}

Example 47 with DataTable

use of org.knime.core.data.DataTable in project knime-core by knime.

the class DataColumnPropertiesView method dispose.

/**
 * {@inheritDoc}
 * @since 3.6
 */
@Override
public void dispose() {
    TableContentModel contentModel = m_propsView.getContentModel();
    DataTable dataTable = contentModel.getDataTable();
    contentModel.setDataTable(null);
    if (dataTable instanceof ContainerTable) {
        ((ContainerTable) dataTable).clear();
    }
}

Example 48 with DataTable

use of org.knime.core.data.DataTable in project knime-core by knime.

the class InteractiveHiLiteCollectorNodeView method modelChanged.

/**
 * {@inheritDoc}
 */
@Override
protected void modelChanged() {
    DataTable data = super.getNodeModel().getHiLiteAnnotationsTable();
    m_table.setDataTable(data);
    HiLiteHandler hdl = super.getNodeModel().getInHiLiteHandler(0);
    m_table.setHiLiteHandler(hdl);
    m_table.setColumnWidth(50);
}

Example 49 with DataTable

use of org.knime.core.data.DataTable in project knime-core by knime.

the class RowFilterNodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected BufferedDataTable[] execute(final BufferedDataTable[] inData, final ExecutionContext exec) throws Exception {
    DataTable in = inData[0];
    // in case the node was configured and the workflow is closed
    // (and saved), the row filter isn't configured upon reloading.
    // here, we give it a chance to configure itself (e.g. find the column
    // index)
    m_rowFilter.configure(in.getDataTableSpec());
    BufferedDataContainer container = exec.createDataContainer(in.getDataTableSpec());
    exec.setMessage("Searching first matching row...");
    try {
        int count = 0;
        RowFilterIterator it = new RowFilterIterator(in, m_rowFilter, exec);
        while (it.hasNext()) {
            DataRow row = it.next();
            count++;
            container.addRowToTable(row);
            exec.setMessage("Added row " + count + " (\"" + row.getKey() + "\")");
        }
    } catch (RowFilterIterator.RuntimeCanceledExecutionException rce) {
        throw rce.getCause();
    } finally {
        container.close();
    }
    return new BufferedDataTable[] { container.getTable() };
}

Example 50 with DataTable

use of org.knime.core.data.DataTable in project knime-core by knime.

the class TreeEnsembleLearnerNodeView method newModel.

private void newModel(final int index) {
    assert SwingUtilities.isEventDispatchThread();
    final MODEL nodeModel = getNodeModel();
    TreeEnsembleModel model = nodeModel.getEnsembleModel();
    DataTable hiliteRowSample = nodeModel.getHiliteRowSample();
    UpdateTreeWorker updateWorker = new UpdateTreeWorker(hiliteRowSample, model, index);
    UpdateTreeWorker old = m_updateWorkerRef.getAndSet(updateWorker);
    if (old != null) {
        old.cancel(true);
    }
    updateWorker.execute();
}