Examples with CanceledExecutionException org.knime.core.node.CanceledExecutionException used on opensource projects

Example 11 with CanceledExecutionException

use of org.knime.core.node.CanceledExecutionException 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 12 with CanceledExecutionException

use of org.knime.core.node.CanceledExecutionException in project knime-core by knime.

the class PortObjectRepository method copy.

/**
 * Copies the argument object by means of the associated serializer.
 * @param object The port object to be copied.
 * @param exec Host for BDTs being created
 * @param progress For progress/cancelation
 * @return The deep copy.
 * @throws IOException In case of exceptions while accessing the streams
 * @throws CanceledExecutionException If canceled.
 */
public static final PortObject copy(final PortObject object, final ExecutionContext exec, final ExecutionMonitor progress) throws IOException, CanceledExecutionException {
    if (object instanceof BufferedDataTable) {
        // need to copy the table cell by cell
        // this is to workaround the standard knime philosophy according
        // to which tables are referenced. A row-based copy will not work
        // as it still will reference blobs
        BufferedDataTable in = (BufferedDataTable) object;
        BufferedDataContainer con = exec.createDataContainer(in.getSpec(), true, 0);
        final long rowCount = in.size();
        long row = 0;
        boolean hasLoggedCloneProblem = false;
        for (DataRow r : in) {
            DataCell[] cells = new DataCell[r.getNumCells()];
            for (int i = 0; i < cells.length; i++) {
                // deserialize blob
                DataCell c = r.getCell(i);
                if (c instanceof BlobDataCell) {
                    try {
                        c = cloneBlobCell(c);
                    } catch (Exception e) {
                        if (!hasLoggedCloneProblem) {
                            LOGGER.warn("Can't clone blob object: " + e.getMessage(), e);
                            hasLoggedCloneProblem = true;
                            LOGGER.debug("Suppressing futher warnings.");
                        }
                    }
                }
                cells[i] = c;
            }
            con.addRowToTable(new DefaultRow(r.getKey(), cells));
            progress.setProgress(row / (double) rowCount, "Copied row " + row + "/" + rowCount);
            progress.checkCanceled();
            row++;
        }
        con.close();
        return con.getTable();
    }
    return Node.copyPortObject(object, exec);
}

Example 13 with CanceledExecutionException

use of org.knime.core.node.CanceledExecutionException in project knime-core by knime.

the class AbstractSimplePortObject method equals.

/**
 * Method compares both <code>ModelContent</code> objects that first need
 * to be saved by calling {@link #save(ModelContentWO, ExecutionMonitor)}.
 * Override this method in order to compare both objects more efficiently.
 *
 * {@inheritDoc}
 */
@Override
public boolean equals(final Object oport) {
    if (oport == this) {
        return true;
    }
    if (oport == null) {
        return false;
    }
    if (!this.getClass().equals(oport.getClass())) {
        return false;
    }
    ModelContent tcont = new ModelContent("ignored");
    ModelContent ocont = new ModelContent("ignored");
    try {
        this.save(tcont, new ExecutionMonitor());
        ((AbstractSimplePortObject) oport).save(ocont, new ExecutionMonitor());
    } catch (CanceledExecutionException cee) {
    // ignored, should not happen
    }
    return tcont.equals(ocont);
}

Example 14 with CanceledExecutionException

use of org.knime.core.node.CanceledExecutionException in project knime-core by knime.

the class PMMLPreprocPortObject method load.

/**
 * {@inheritDoc}
 */
@Override
protected void load(final PortObjectZipInputStream in, final PortObjectSpec spec, final ExecutionMonitor exec) throws IOException, CanceledExecutionException {
    ZipEntry entry;
    while ((entry = in.getNextEntry()) != null) {
        String clazzName = entry.getName();
        Class<?> clazz;
        try {
            clazz = Class.forName(clazzName);
            if (!PMMLPreprocOperation.class.isAssignableFrom(clazz)) {
                // throw exception
                throw new IllegalArgumentException("Class " + clazz.getName() + " must extend PMMLPreprocOperation! " + "Loading failed!");
            }
            PMMLPreprocOperation op = (PMMLPreprocOperation) clazz.newInstance();
            SAXParserFactory fac = SAXParserFactory.newInstance();
            SAXParser parser;
            parser = fac.newSAXParser();
            parser.parse(new NonClosableInputStream(in), op.getHandlerForLoad());
            m_operations.add(op);
        } catch (Exception e) {
            throw new IOException(e);
        }
        in.closeEntry();
    }
    m_spec = (PMMLPreprocPortObjectSpec) spec;
}

Example 15 with CanceledExecutionException

use of org.knime.core.node.CanceledExecutionException in project knime-core by knime.

the class CancellableReportingInputStream method beforeRead.

@Override
protected void beforeRead(final int n) throws IOException {
    super.beforeRead(n);
    try {
        m_exec.checkCanceled();
        Thread currentThread = Thread.currentThread();
        if (currentThread.isInterrupted()) {
            currentThread.interrupt();
            throw new EOFException("Reading interrupted.");
        }
    } catch (final CanceledExecutionException e) {
        throw new EOFException("Reading has been cancelled");
    }
}