Examples with NodeInPort org.knime.core.node.workflow.NodeInPort used on opensource projects

Example 1 with NodeInPort

use of org.knime.core.node.workflow.NodeInPort in project knime-core by knime.

the class SandboxedNodeCreator method createSandbox.

/**
 * Creates that temporary mini workflow that is executed remotely on the cluster/stream executor.
 * The returned value should be {@link SandboxedNode#close()} when done (using try-with-resources). After this
 * method is called no other set-method should be called.
 *
 * @param exec for progress/cancelation
 * @return the index of the node that represents this node (the node to execute) in the temporary mini workflow
 * @throws InvalidSettingsException
 * @throws IOException
 * @throws CanceledExecutionException
 * @throws LockFailedException
 * @throws InterruptedException
 */
public SandboxedNode createSandbox(final ExecutionMonitor exec) throws InvalidSettingsException, IOException, CanceledExecutionException, LockFailedException, InterruptedException {
    exec.setMessage("Creating virtual workflow");
    final WorkflowManager parent = m_nc.getParent();
    // derive workflow context via NodeContext as the parent could only a be a metanode in a metanode...
    final WorkflowContext origContext = NodeContext.getContext().getWorkflowManager().getContext();
    WorkflowContext.Factory ctxFactory;
    // (specifically reading knime://knime.workflow files)
    if (!m_copyDataIntoNewContext) {
        ctxFactory = new WorkflowContext.Factory(origContext);
        if (m_localWorkflowDir != null) {
            ctxFactory.setOriginalLocation(origContext.getCurrentLocation()).setCurrentLocation(m_localWorkflowDir);
        }
    } else if (m_localWorkflowDir != null) {
        ctxFactory = new WorkflowContext.Factory(m_localWorkflowDir);
    } else {
        ctxFactory = new WorkflowContext.Factory(FileUtil.createTempDir("sandbox-" + m_nc.getNameWithID()));
    }
    // We have to use the same location for the temporary files
    ctxFactory.setTempLocation(origContext.getTempLocation());
    origContext.getMountpointURI().ifPresent(u -> ctxFactory.setMountpointURI(u));
    WorkflowCreationHelper creationHelper = new WorkflowCreationHelper();
    creationHelper.setWorkflowContext(ctxFactory.createContext());
    if (!m_copyDataIntoNewContext) {
        creationHelper.setDataHandlers(parent.getGlobalTableRepository(), parent.getFileStoreHandlerRepository());
    }
    WorkflowManager tempWFM = m_rootWFM.createAndAddProject("Sandbox Exec on " + m_nc.getNameWithID(), creationHelper);
    // Add the workflow variables
    List<FlowVariable> workflowVariables = parent.getProjectWFM().getWorkflowVariables();
    tempWFM.addWorkflowVariables(true, workflowVariables.toArray(new FlowVariable[workflowVariables.size()]));
    // update credentials store of the workflow
    CredentialsStore cs = tempWFM.getCredentialsStore();
    workflowVariables.stream().filter(f -> f.getType().equals(FlowVariable.Type.CREDENTIALS)).filter(f -> !cs.contains(f.getName())).forEach(cs::addFromFlowVariable);
    final int inCnt = m_inData.length;
    // port object IDs in static port object map, one entry for
    // each connected input (no value for unconnected optional inputs)
    List<Integer> portObjectRepositoryIDs = new ArrayList<Integer>(inCnt);
    try {
        NodeID[] ins = new NodeID[inCnt];
        for (int i = 0; i < inCnt; i++) {
            final PortObject in = m_inData[i];
            final NodeInPort inPort = m_nc.getInPort(i);
            final PortType portType = inPort.getPortType();
            if (in == null) {
                // unconnected optional input
                CheckUtils.checkState(portType.isOptional(), "No data at port %d, although port is mandatory (port type %s)", i, portType.getName());
                continue;
            }
            int portObjectRepositoryID = PortObjectRepository.add(in);
            portObjectRepositoryIDs.add(portObjectRepositoryID);
            boolean isTable = BufferedDataTable.TYPE.equals(portType);
            NodeID inID = tempWFM.createAndAddNode(isTable ? TABLE_READ_NODE_FACTORY : OBJECT_READ_NODE_FACTORY);
            NodeSettings s = new NodeSettings("temp_data_in");
            tempWFM.saveNodeSettings(inID, s);
            List<FlowVariable> flowVars = getFlowVariablesOnPort(i);
            PortObjectInNodeModel.setInputNodeSettings(s, portObjectRepositoryID, flowVars, m_copyDataIntoNewContext);
            // update credentials store of the workflow
            flowVars.stream().filter(f -> f.getType().equals(FlowVariable.Type.CREDENTIALS)).filter(f -> !cs.contains(f.getName())).forEach(cs::addFromFlowVariable);
            tempWFM.loadNodeSettings(inID, s);
            ins[i] = inID;
        }
        // execute inPort object nodes to store the input data in them
        if (ins.length > 0 && !tempWFM.executeAllAndWaitUntilDoneInterruptibly()) {
            String error = "Unable to execute virtual workflow, status sent to log facilities";
            LOGGER.debug(error + ":");
            LOGGER.debug(tempWFM.toString());
            throw new RuntimeException(error);
        }
        // add the target node to the workflow
        WorkflowCopyContent.Builder content = WorkflowCopyContent.builder();
        content.setNodeIDs(m_nc.getID());
        final NodeID targetNodeID = tempWFM.copyFromAndPasteHere(parent, content.build()).getNodeIDs()[0];
        NodeContainer targetNode = tempWFM.getNodeContainer(targetNodeID);
        // connect target node to inPort object nodes, skipping unconnected (optional) inputs
        IntStream.range(0, inCnt).filter(i -> ins[i] != null).forEach(i -> tempWFM.addConnection(ins[i], 1, targetNodeID, i));
        if (m_forwardConnectionProgressEvents) {
            setupConnectionProgressEventListeners(m_nc, targetNode);
        }
        // copy the existing tables into the (meta) node (e.g. an executed file reader that's necessary
        // for other nodes to execute)
        exec.setMessage("Copying tables into temp flow");
        NodeContainerExecutionResult origResult = m_nc.createExecutionResult(exec);
        ExecutionMonitor copyExec = exec.createSubProgress(0.0);
        copyExistingTablesIntoSandboxContainer(origResult, m_nc, targetNode, copyExec, m_copyDataIntoNewContext);
        CopyContentIntoTempFlowNodeExecutionJobManager copyDataIntoTmpFlow = new CopyContentIntoTempFlowNodeExecutionJobManager(origResult);
        NodeExecutionJobManager oldJobManager = targetNode.getJobManager();
        tempWFM.setJobManager(targetNodeID, copyDataIntoTmpFlow);
        tempWFM.executeAllAndWaitUntilDoneInterruptibly();
        tempWFM.setJobManager(targetNodeID, oldJobManager);
        // do not use the cluster executor on the cluster...
        tempWFM.setJobManager(targetNodeID, NodeExecutionJobManagerPool.getDefaultJobManagerFactory().getInstance());
        if (!m_copyDataIntoNewContext) {
            copyFileStoreHandlerReference(targetNode, parent, false);
        }
        // save workflow in the local job dir
        if (m_localWorkflowDir != null) {
            tempWFM.save(m_localWorkflowDir, exec, true);
            deepCopyFilesInWorkflowDir(m_nc, tempWFM);
        }
        return new SandboxedNode(tempWFM, targetNodeID);
    } finally {
        portObjectRepositoryIDs.stream().forEach(PortObjectRepository::remove);
    }
}

Example 2 with NodeInPort

use of org.knime.core.node.workflow.NodeInPort in project knime-core by knime.

the class AbstractCreateNewConnectedNodeCommand method getMatchingPorts.

private Map<Integer, Integer> getMatchingPorts(final NodeContainer left, final NodeContainer right) {
    // don't auto connect to flow var ports - start with port index 1
    int leftFirst = (left instanceof WorkflowManagerUI) ? 0 : 1;
    int rightFirst = (right instanceof WorkflowManagerUI) ? 0 : 1;
    Map<Integer, Integer> matchingPorts = new TreeMap<Integer, Integer>();
    Map<Integer, Integer> possibleMatches = new TreeMap<Integer, Integer>();
    Set<Integer> assignedRight = new HashSet<Integer>();
    for (int rightPidx = rightFirst; rightPidx < right.getNrInPorts(); rightPidx++) {
        for (int leftPidx = leftFirst; leftPidx < left.getNrOutPorts(); leftPidx++) {
            NodeOutPort leftPort = left.getOutPort(leftPidx);
            NodeInPort rightPort = right.getInPort(rightPidx);
            PortType leftPortType = leftPort.getPortType();
            PortType rightPortType = rightPort.getPortType();
            if (leftPortType.isSuperTypeOf(rightPortType)) {
                if (getHostWFM().getOutgoingConnectionsFor(left.getID(), leftPidx).size() == 0) {
                    if (!matchingPorts.containsKey(leftPidx) && !assignedRight.contains(rightPidx)) {
                        // output not connected: use it.
                        matchingPorts.put(leftPidx, rightPidx);
                        assignedRight.add(rightPidx);
                    }
                } else {
                    // port already connected - we MAY use it
                    if (!possibleMatches.containsKey(leftPidx) && !assignedRight.contains(rightPidx)) {
                        possibleMatches.put(leftPidx, rightPidx);
                    }
                }
            }
        }
    }
    for (Map.Entry<Integer, Integer> entry : possibleMatches.entrySet()) {
        Integer pl = entry.getKey();
        Integer pr = entry.getValue();
        if (!matchingPorts.containsKey(pl) && !assignedRight.contains(pr)) {
            matchingPorts.put(pl, pr);
            assignedRight.add(pr);
        }
    }
    return matchingPorts;
}