Examples with OutputNode org.knime.core.node.dialog.OutputNode used on opensource projects

Example 1 with OutputNode

use of org.knime.core.node.dialog.OutputNode in project knime-core by knime.

the class WorkflowManager method getExternalNodeDataHandles.

/**
 * Implementation of {@link #getInputNodes()} and {@link #getExternalOutputs()}.
 *
 * @param nodeModelClass either {@link InputNode}.class or {@link OutputNode}.class.
 * @param retriever resolves the data object from the input or output.
 * @return List of nodes with their parameter names unified.
 */
// package scope for tests
<T> List<ExternalNodeDataHandle> getExternalNodeDataHandles(final Class<T> nodeModelClass, final Function<T, ExternalNodeData> retriever) {
    List<ExternalNodeDataHandle> result = new ArrayList<>();
    try (WorkflowLock lock = lock()) {
        Map<NodeID, T> externalNodeDataMap = findNodes(nodeModelClass, NodeModelFilter.all(), true, true);
        // get all "parameter names" from all nodes in the workflow in order to see if there are name conflicts;
        // occurrence map like {"string-input" -> 1, "foo" -> 1, "bar" -> 3}
        Map<String, Long> parameterNamesToCountMap = externalNodeDataMap.values().stream().map(retriever).map(extNodeData -> extNodeData.getID()).collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));
        parameterNamesToCountMap.values().removeAll(Collections.singleton(Long.valueOf(1L)));
        Set<String> nonUniqueParameterNames = parameterNamesToCountMap.keySet();
        if (!nonUniqueParameterNames.isEmpty()) {
            LOGGER.warnWithFormat("Workflow contains nodes with duplicate parameter name " + "(will be made unique by appending node IDs): %s", ConvenienceMethods.getShortStringFrom(nonUniqueParameterNames, 5));
        }
        // create result list, make keys unique where needed but also retain the fully qualified parameter name
        for (Map.Entry<NodeID, T> entry : externalNodeDataMap.entrySet()) {
            NodeID nodeID = entry.getKey();
            ExternalNodeData nodeData = retriever.apply(entry.getValue());
            String parameterNameShort = nodeData.getID();
            // this ID = 0:3, nodeID = 0:3:5:0:2:2 => nodeIDRelativePath = 5:0:2:2
            String nodeIDRelativePath = StringUtils.removeStart(nodeID.toString(), getID().toString() + ":");
            // nodeIDRelativePath = 5:0:2:2 --> 5:2:2 (':0' are internals of a subnode)
            nodeIDRelativePath = StringUtils.remove(nodeIDRelativePath, ":0");
            String parameterNameFullyQualified = (parameterNameShort.isEmpty() ? "" : parameterNameShort + "-") + nodeIDRelativePath;
            if (nonUniqueParameterNames.contains(parameterNameShort)) {
                parameterNameShort = parameterNameFullyQualified;
            }
            result.add(new ExternalNodeDataHandle(parameterNameShort, parameterNameFullyQualified, (NativeNodeContainer) findNodeContainer(nodeID), nodeData));
        }
        return result;
    }
}