Java Examples for org.knime.core.node.port.inactive.InactiveBranchPortObject

The following java examples will help you to understand the usage of org.knime.core.node.port.inactive.InactiveBranchPortObject. These source code samples are taken from different open source projects.

Example 1

Project: knip-master File: DontSaveEndNodeModel.java View source code

/**
     * {@inheritDoc}
     */
@Override
protected PortObject[] execute(final PortObject[] inObjects, final ExecutionContext exec) throws Exception {
    if (!(this.getLoopStartNode() instanceof DontSaveStartNodeModel)) {
        throw new IllegalStateException("Don't Save End node is not connected" + " to matching/corresponding Don't Save Start node.");
    }
    if ((inObjects[0] instanceof InactiveBranchPortObject)) {
        // second iteration returns the data && help the garbage collector a bit
        final PortObject[] tmp = m_resultPortObject;
        m_resultPortObject = null;
        return tmp;
    } else {
        // first iteration
        BufferedDataTable table = (BufferedDataTable) inObjects[0];
        BufferedDataContainer container = exec.createDataContainer(table.getDataTableSpec());
        // copy the data (here the data really need to be copied, as we will kill the data from the previous node)
        for (DataRow row : table) {
            container.addRowToTable(new DefaultRow(row.getKey(), row));
        }
        container.close();
        // memorize data for later usage
        m_resultPortObject = new BufferedDataTable[] { container.getTable() };
        continueLoop();
        return new BufferedDataTable[1];
    }
}