Examples with VersionedConnection org.apache.nifi.registry.flow.VersionedConnection used on opensource projects

Example 6 with VersionedConnection

use of org.apache.nifi.registry.flow.VersionedConnection in project nifi-minifi by apache.

the class VersionedProcessGroupEnricher method enrich.

public void enrich(final VersionedProcessGroup versionedProcessGroup) {
    List<VersionedProcessGroup> allVersionedProcessGroups = getAllVersionedProcessGroups(versionedProcessGroup);
    Set<VersionedRemoteProcessGroup> remoteProcessGroups = getAll(allVersionedProcessGroups, VersionedProcessGroup::getRemoteProcessGroups).collect(Collectors.toSet());
    Map<String, String> connectableNameMap = getAll(allVersionedProcessGroups, VersionedProcessGroup::getProcessors).collect(Collectors.toMap(VersionedComponent::getIdentifier, VersionedComponent::getName));
    Map<String, String> rpgIdToTargetIdMap = new HashMap<>();
    for (VersionedRemoteProcessGroup remoteProcessGroup : remoteProcessGroups) {
        final Set<VersionedRemoteGroupPort> rpgInputPorts = nullToEmpty(remoteProcessGroup.getInputPorts());
        final Set<VersionedRemoteGroupPort> rpgOutputPorts = nullToEmpty(remoteProcessGroup.getOutputPorts());
        // Map all port DTOs to their respective targetIds
        rpgIdToTargetIdMap.putAll(Stream.concat(rpgInputPorts.stream(), rpgOutputPorts.stream()).collect(Collectors.toMap(VersionedRemoteGroupPort::getIdentifier, VersionedRemoteGroupPort::getTargetId)));
        addConnectables(connectableNameMap, rpgInputPorts, VersionedRemoteGroupPort::getIdentifier, VersionedRemoteGroupPort::getIdentifier);
        addConnectables(connectableNameMap, rpgOutputPorts, VersionedRemoteGroupPort::getIdentifier, VersionedRemoteGroupPort::getIdentifier);
    }
    addConnectables(connectableNameMap, getAll(allVersionedProcessGroups, VersionedProcessGroup::getInputPorts).collect(Collectors.toList()), VersionedPort::getIdentifier, VersionedPort::getName);
    addConnectables(connectableNameMap, getAll(allVersionedProcessGroups, VersionedProcessGroup::getOutputPorts).collect(Collectors.toList()), VersionedPort::getIdentifier, VersionedPort::getName);
    final Set<VersionedConnection> connections = getAll(allVersionedProcessGroups, VersionedProcessGroup::getConnections).collect(Collectors.toSet());
    // Enrich connection endpoints using known names and overriding with targetIds for remote ports
    for (VersionedConnection connection : connections) {
        setName(connectableNameMap, connection.getSource(), rpgIdToTargetIdMap);
        setName(connectableNameMap, connection.getDestination(), rpgIdToTargetIdMap);
    }
    // Override any ids that are for Remote Ports to use their target Ids where available
    connections.stream().flatMap(connectionDTO -> Stream.of(connectionDTO.getSource(), connectionDTO.getDestination())).filter(connectable -> (connectable.getType() == ConnectableComponentType.REMOTE_OUTPUT_PORT || connectable.getType() == ConnectableComponentType.REMOTE_INPUT_PORT)).forEach(connectable -> connectable.setId(Optional.ofNullable(rpgIdToTargetIdMap.get(connectable.getId())).orElse(connectable.getId())));
    // Establish unique names for connections
    for (VersionedConnection connection : connections) {
        if (StringUtil.isNullOrEmpty(connection.getName())) {
            StringBuilder name = new StringBuilder();
            ConnectableComponent connectionSource = connection.getSource();
            name.append(determineValueForConnectable(connectionSource, rpgIdToTargetIdMap));
            name.append("/");
            if (connection.getSelectedRelationships() != null && connection.getSelectedRelationships().size() > 0) {
                name.append(connection.getSelectedRelationships().iterator().next());
            }
            name.append("/");
            ConnectableComponent connectionDestination = connection.getDestination();
            name.append(determineValueForConnectable(connectionDestination, rpgIdToTargetIdMap));
            connection.setName(name.toString());
        }
    }
    nullToEmpty(versionedProcessGroup.getProcessGroups()).stream().forEach(pg -> enrich(pg));
}

Example 7 with VersionedConnection

use of org.apache.nifi.registry.flow.VersionedConnection in project nifi by apache.

the class StandardNiFiServiceFacade method getComponentsAffectedByVersionChange.

@Override
public Set<AffectedComponentEntity> getComponentsAffectedByVersionChange(final String processGroupId, final VersionedFlowSnapshot updatedSnapshot, final NiFiUser user) {
    final ProcessGroup group = processGroupDAO.getProcessGroup(processGroupId);
    final NiFiRegistryFlowMapper mapper = new NiFiRegistryFlowMapper();
    final VersionedProcessGroup localContents = mapper.mapProcessGroup(group, controllerFacade.getControllerServiceProvider(), flowRegistryClient, true);
    final ComparableDataFlow localFlow = new StandardComparableDataFlow("Local Flow", localContents);
    final ComparableDataFlow proposedFlow = new StandardComparableDataFlow("Versioned Flow", updatedSnapshot.getFlowContents());
    final Set<String> ancestorGroupServiceIds = getAncestorGroupServiceIds(group);
    final FlowComparator flowComparator = new StandardFlowComparator(localFlow, proposedFlow, ancestorGroupServiceIds, new StaticDifferenceDescriptor());
    final FlowComparison comparison = flowComparator.compare();
    final Set<AffectedComponentEntity> affectedComponents = comparison.getDifferences().stream().filter(// components that are added are not components that will be affected in the local flow.
    difference -> difference.getDifferenceType() != DifferenceType.COMPONENT_ADDED).filter(difference -> difference.getDifferenceType() != DifferenceType.BUNDLE_CHANGED).filter(FlowDifferenceFilters.FILTER_ADDED_REMOVED_REMOTE_PORTS).map(difference -> {
        final VersionedComponent localComponent = difference.getComponentA();
        final String state;
        switch(localComponent.getComponentType()) {
            case CONTROLLER_SERVICE:
                final String serviceId = ((InstantiatedVersionedControllerService) localComponent).getInstanceId();
                state = controllerServiceDAO.getControllerService(serviceId).getState().name();
                break;
            case PROCESSOR:
                final String processorId = ((InstantiatedVersionedProcessor) localComponent).getInstanceId();
                state = processorDAO.getProcessor(processorId).getPhysicalScheduledState().name();
                break;
            case REMOTE_INPUT_PORT:
                final InstantiatedVersionedRemoteGroupPort inputPort = (InstantiatedVersionedRemoteGroupPort) localComponent;
                state = remoteProcessGroupDAO.getRemoteProcessGroup(inputPort.getInstanceGroupId()).getInputPort(inputPort.getInstanceId()).getScheduledState().name();
                break;
            case REMOTE_OUTPUT_PORT:
                final InstantiatedVersionedRemoteGroupPort outputPort = (InstantiatedVersionedRemoteGroupPort) localComponent;
                state = remoteProcessGroupDAO.getRemoteProcessGroup(outputPort.getInstanceGroupId()).getOutputPort(outputPort.getInstanceId()).getScheduledState().name();
                break;
            default:
                state = null;
                break;
        }
        return createAffectedComponentEntity((InstantiatedVersionedComponent) localComponent, localComponent.getComponentType().name(), state, user);
    }).collect(Collectors.toCollection(HashSet::new));
    for (final FlowDifference difference : comparison.getDifferences()) {
        // Ignore these as local differences for now because we can't do anything with it
        if (difference.getDifferenceType() == DifferenceType.BUNDLE_CHANGED) {
            continue;
        }
        // Ignore differences for adding remote ports
        if (FlowDifferenceFilters.isAddedOrRemovedRemotePort(difference)) {
            continue;
        }
        final VersionedComponent localComponent = difference.getComponentA();
        if (localComponent == null) {
            continue;
        }
        // If any Process Group is removed, consider all components below that Process Group as an affected component
        if (difference.getDifferenceType() == DifferenceType.COMPONENT_REMOVED && localComponent.getComponentType() == org.apache.nifi.registry.flow.ComponentType.PROCESS_GROUP) {
            final String localGroupId = ((InstantiatedVersionedProcessGroup) localComponent).getInstanceId();
            final ProcessGroup localGroup = processGroupDAO.getProcessGroup(localGroupId);
            localGroup.findAllProcessors().stream().map(comp -> createAffectedComponentEntity(comp, user)).forEach(affectedComponents::add);
            localGroup.findAllFunnels().stream().map(comp -> createAffectedComponentEntity(comp, user)).forEach(affectedComponents::add);
            localGroup.findAllInputPorts().stream().map(comp -> createAffectedComponentEntity(comp, user)).forEach(affectedComponents::add);
            localGroup.findAllOutputPorts().stream().map(comp -> createAffectedComponentEntity(comp, user)).forEach(affectedComponents::add);
            localGroup.findAllRemoteProcessGroups().stream().flatMap(rpg -> Stream.concat(rpg.getInputPorts().stream(), rpg.getOutputPorts().stream())).map(comp -> createAffectedComponentEntity(comp, user)).forEach(affectedComponents::add);
            localGroup.findAllControllerServices().stream().map(comp -> createAffectedComponentEntity(comp, user)).forEach(affectedComponents::add);
        }
        if (localComponent.getComponentType() == org.apache.nifi.registry.flow.ComponentType.CONTROLLER_SERVICE) {
            final String serviceId = ((InstantiatedVersionedControllerService) localComponent).getInstanceId();
            final ControllerServiceNode serviceNode = controllerServiceDAO.getControllerService(serviceId);
            final List<ControllerServiceNode> referencingServices = serviceNode.getReferences().findRecursiveReferences(ControllerServiceNode.class);
            for (final ControllerServiceNode referencingService : referencingServices) {
                affectedComponents.add(createAffectedComponentEntity(referencingService, user));
            }
            final List<ProcessorNode> referencingProcessors = serviceNode.getReferences().findRecursiveReferences(ProcessorNode.class);
            for (final ProcessorNode referencingProcessor : referencingProcessors) {
                affectedComponents.add(createAffectedComponentEntity(referencingProcessor, user));
            }
        }
    }
    // Create a map of all connectable components by versioned component ID to the connectable component itself
    final Map<String, List<Connectable>> connectablesByVersionId = new HashMap<>();
    mapToConnectableId(group.findAllFunnels(), connectablesByVersionId);
    mapToConnectableId(group.findAllInputPorts(), connectablesByVersionId);
    mapToConnectableId(group.findAllOutputPorts(), connectablesByVersionId);
    mapToConnectableId(group.findAllProcessors(), connectablesByVersionId);
    final List<RemoteGroupPort> remotePorts = new ArrayList<>();
    for (final RemoteProcessGroup rpg : group.findAllRemoteProcessGroups()) {
        remotePorts.addAll(rpg.getInputPorts());
        remotePorts.addAll(rpg.getOutputPorts());
    }
    mapToConnectableId(remotePorts, connectablesByVersionId);
    // and the destination (if it exists in the flow currently).
    for (final FlowDifference difference : comparison.getDifferences()) {
        VersionedComponent component = difference.getComponentA();
        if (component == null) {
            component = difference.getComponentB();
        }
        if (component.getComponentType() != org.apache.nifi.registry.flow.ComponentType.CONNECTION) {
            continue;
        }
        final VersionedConnection connection = (VersionedConnection) component;
        final String sourceVersionedId = connection.getSource().getId();
        final List<Connectable> sources = connectablesByVersionId.get(sourceVersionedId);
        if (sources != null) {
            for (final Connectable source : sources) {
                affectedComponents.add(createAffectedComponentEntity(source, user));
            }
        }
        final String destinationVersionId = connection.getDestination().getId();
        final List<Connectable> destinations = connectablesByVersionId.get(destinationVersionId);
        if (destinations != null) {
            for (final Connectable destination : destinations) {
                affectedComponents.add(createAffectedComponentEntity(destination, user));
            }
        }
    }
    return affectedComponents;
}

Example 8 with VersionedConnection

use of org.apache.nifi.registry.flow.VersionedConnection in project nifi by apache.

the class StandardProcessGroup method updateConnection.

private void updateConnection(final Connection connection, final VersionedConnection proposed) {
    connection.setBendPoints(proposed.getBends() == null ? Collections.emptyList() : proposed.getBends().stream().map(pos -> new Position(pos.getX(), pos.getY())).collect(Collectors.toList()));
    connection.setDestination(getConnectable(connection.getProcessGroup(), proposed.getDestination()));
    connection.setLabelIndex(proposed.getLabelIndex());
    connection.setName(proposed.getName());
    connection.setRelationships(proposed.getSelectedRelationships().stream().map(name -> new Relationship.Builder().name(name).build()).collect(Collectors.toSet()));
    connection.setZIndex(proposed.getzIndex());
    final FlowFileQueue queue = connection.getFlowFileQueue();
    queue.setBackPressureDataSizeThreshold(proposed.getBackPressureDataSizeThreshold());
    queue.setBackPressureObjectThreshold(proposed.getBackPressureObjectThreshold());
    queue.setFlowFileExpiration(proposed.getFlowFileExpiration());
    final List<FlowFilePrioritizer> prioritizers = proposed.getPrioritizers() == null ? Collections.emptyList() : proposed.getPrioritizers().stream().map(prioritizerName -> {
        try {
            return flowController.createPrioritizer(prioritizerName);
        } catch (final Exception e) {
            throw new IllegalStateException("Failed to create Prioritizer of type " + prioritizerName + " for Connection with ID " + connection.getIdentifier());
        }
    }).collect(Collectors.toList());
    queue.setPriorities(prioritizers);
}