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

Example 1 with VersionedFlowCoordinates

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

the class StandardProcessGroup method updateProcessGroup.

private void updateProcessGroup(final ProcessGroup group, final VersionedProcessGroup proposed, final String componentIdSeed, final Set<String> updatedVersionedComponentIds, final boolean updatePosition, final boolean updateName, final boolean updateDescendantVersionedGroups, final Set<String> variablesToSkip) throws ProcessorInstantiationException {
    group.setComments(proposed.getComments());
    if (updateName) {
        group.setName(proposed.getName());
    }
    if (updatePosition && proposed.getPosition() != null) {
        group.setPosition(new Position(proposed.getPosition().getX(), proposed.getPosition().getY()));
    }
    // Determine which variables have been added/removed and add/remove them from this group's variable registry.
    // We don't worry about if a variable value has changed, because variables are designed to be 'environment specific.'
    // As a result, once imported, we won't update variables to match the remote flow, but we will add any missing variables
    // and remove any variables that are no longer part of the remote flow.
    final Set<String> existingVariableNames = group.getVariableRegistry().getVariableMap().keySet().stream().map(VariableDescriptor::getName).collect(Collectors.toSet());
    final Map<String, String> updatedVariableMap = new HashMap<>();
    // If any new variables exist in the proposed flow, add those to the variable registry.
    for (final Map.Entry<String, String> entry : proposed.getVariables().entrySet()) {
        if (!existingVariableNames.contains(entry.getKey()) && !variablesToSkip.contains(entry.getKey())) {
            updatedVariableMap.put(entry.getKey(), entry.getValue());
        }
    }
    group.setVariables(updatedVariableMap);
    final VersionedFlowCoordinates remoteCoordinates = proposed.getVersionedFlowCoordinates();
    if (remoteCoordinates == null) {
        group.disconnectVersionControl(false);
    } else {
        final String registryId = flowController.getFlowRegistryClient().getFlowRegistryId(remoteCoordinates.getRegistryUrl());
        final String bucketId = remoteCoordinates.getBucketId();
        final String flowId = remoteCoordinates.getFlowId();
        final int version = remoteCoordinates.getVersion();
        final FlowRegistry flowRegistry = flowController.getFlowRegistryClient().getFlowRegistry(registryId);
        final String registryName = flowRegistry == null ? registryId : flowRegistry.getName();
        final VersionedFlowState flowState = remoteCoordinates.getLatest() ? VersionedFlowState.UP_TO_DATE : VersionedFlowState.STALE;
        final VersionControlInformation vci = new StandardVersionControlInformation.Builder().registryId(registryId).registryName(registryName).bucketId(bucketId).bucketName(bucketId).flowId(flowId).flowName(flowId).version(version).flowSnapshot(proposed).status(new StandardVersionedFlowStatus(flowState, flowState.getDescription())).build();
        group.setVersionControlInformation(vci, Collections.emptyMap());
    }
    // Controller Services
    // Controller Services have to be handled a bit differently than other components. This is because Processors and Controller
    // Services may reference other Controller Services. Since we may be adding Service A, which depends on Service B, before adding
    // Service B, we need to ensure that we create all Controller Services first and then call updateControllerService for each
    // Controller Service. This way, we ensure that all services have been created before setting the properties. This allows us to
    // properly obtain the correct mapping of Controller Service VersionedComponentID to Controller Service instance id.
    final Map<String, ControllerServiceNode> servicesByVersionedId = group.getControllerServices(false).stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> controllerServicesRemoved = new HashSet<>(servicesByVersionedId.keySet());
    final Map<ControllerServiceNode, VersionedControllerService> services = new HashMap<>();
    // Add any Controller Service that does not yet exist.
    for (final VersionedControllerService proposedService : proposed.getControllerServices()) {
        ControllerServiceNode service = servicesByVersionedId.get(proposedService.getIdentifier());
        if (service == null) {
            service = addControllerService(group, proposedService, componentIdSeed);
            LOG.info("Added {} to {}", service, this);
        }
        services.put(service, proposedService);
    }
    // Update all of the Controller Services to match the VersionedControllerService
    for (final Map.Entry<ControllerServiceNode, VersionedControllerService> entry : services.entrySet()) {
        final ControllerServiceNode service = entry.getKey();
        final VersionedControllerService proposedService = entry.getValue();
        if (updatedVersionedComponentIds.contains(proposedService.getIdentifier())) {
            updateControllerService(service, proposedService);
            LOG.info("Updated {}", service);
        }
        controllerServicesRemoved.remove(proposedService.getIdentifier());
    }
    // Child groups
    final Map<String, ProcessGroup> childGroupsByVersionedId = group.getProcessGroups().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> childGroupsRemoved = new HashSet<>(childGroupsByVersionedId.keySet());
    for (final VersionedProcessGroup proposedChildGroup : proposed.getProcessGroups()) {
        final ProcessGroup childGroup = childGroupsByVersionedId.get(proposedChildGroup.getIdentifier());
        final VersionedFlowCoordinates childCoordinates = proposedChildGroup.getVersionedFlowCoordinates();
        if (childGroup == null) {
            final ProcessGroup added = addProcessGroup(group, proposedChildGroup, componentIdSeed, variablesToSkip);
            flowController.onProcessGroupAdded(added);
            added.findAllRemoteProcessGroups().stream().forEach(RemoteProcessGroup::initialize);
            LOG.info("Added {} to {}", added, this);
        } else if (childCoordinates == null || updateDescendantVersionedGroups) {
            updateProcessGroup(childGroup, proposedChildGroup, componentIdSeed, updatedVersionedComponentIds, true, true, updateDescendantVersionedGroups, variablesToSkip);
            LOG.info("Updated {}", childGroup);
        }
        childGroupsRemoved.remove(proposedChildGroup.getIdentifier());
    }
    // Funnels
    final Map<String, Funnel> funnelsByVersionedId = group.getFunnels().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> funnelsRemoved = new HashSet<>(funnelsByVersionedId.keySet());
    for (final VersionedFunnel proposedFunnel : proposed.getFunnels()) {
        final Funnel funnel = funnelsByVersionedId.get(proposedFunnel.getIdentifier());
        if (funnel == null) {
            final Funnel added = addFunnel(group, proposedFunnel, componentIdSeed);
            flowController.onFunnelAdded(added);
            LOG.info("Added {} to {}", added, this);
        } else if (updatedVersionedComponentIds.contains(proposedFunnel.getIdentifier())) {
            updateFunnel(funnel, proposedFunnel);
            LOG.info("Updated {}", funnel);
        } else {
            funnel.setPosition(new Position(proposedFunnel.getPosition().getX(), proposedFunnel.getPosition().getY()));
        }
        funnelsRemoved.remove(proposedFunnel.getIdentifier());
    }
    // Input Ports
    final Map<String, Port> inputPortsByVersionedId = group.getInputPorts().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> inputPortsRemoved = new HashSet<>(inputPortsByVersionedId.keySet());
    for (final VersionedPort proposedPort : proposed.getInputPorts()) {
        final Port port = inputPortsByVersionedId.get(proposedPort.getIdentifier());
        if (port == null) {
            final Port added = addInputPort(group, proposedPort, componentIdSeed);
            flowController.onInputPortAdded(added);
            LOG.info("Added {} to {}", added, this);
        } else if (updatedVersionedComponentIds.contains(proposedPort.getIdentifier())) {
            updatePort(port, proposedPort);
            LOG.info("Updated {}", port);
        } else {
            port.setPosition(new Position(proposedPort.getPosition().getX(), proposedPort.getPosition().getY()));
        }
        inputPortsRemoved.remove(proposedPort.getIdentifier());
    }
    // Output Ports
    final Map<String, Port> outputPortsByVersionedId = group.getOutputPorts().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> outputPortsRemoved = new HashSet<>(outputPortsByVersionedId.keySet());
    for (final VersionedPort proposedPort : proposed.getOutputPorts()) {
        final Port port = outputPortsByVersionedId.get(proposedPort.getIdentifier());
        if (port == null) {
            final Port added = addOutputPort(group, proposedPort, componentIdSeed);
            flowController.onOutputPortAdded(added);
            LOG.info("Added {} to {}", added, this);
        } else if (updatedVersionedComponentIds.contains(proposedPort.getIdentifier())) {
            updatePort(port, proposedPort);
            LOG.info("Updated {}", port);
        } else {
            port.setPosition(new Position(proposedPort.getPosition().getX(), proposedPort.getPosition().getY()));
        }
        outputPortsRemoved.remove(proposedPort.getIdentifier());
    }
    // Labels
    final Map<String, Label> labelsByVersionedId = group.getLabels().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> labelsRemoved = new HashSet<>(labelsByVersionedId.keySet());
    for (final VersionedLabel proposedLabel : proposed.getLabels()) {
        final Label label = labelsByVersionedId.get(proposedLabel.getIdentifier());
        if (label == null) {
            final Label added = addLabel(group, proposedLabel, componentIdSeed);
            LOG.info("Added {} to {}", added, this);
        } else if (updatedVersionedComponentIds.contains(proposedLabel.getIdentifier())) {
            updateLabel(label, proposedLabel);
            LOG.info("Updated {}", label);
        } else {
            label.setPosition(new Position(proposedLabel.getPosition().getX(), proposedLabel.getPosition().getY()));
        }
        labelsRemoved.remove(proposedLabel.getIdentifier());
    }
    // Processors
    final Map<String, ProcessorNode> processorsByVersionedId = group.getProcessors().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> processorsRemoved = new HashSet<>(processorsByVersionedId.keySet());
    final Map<ProcessorNode, Set<Relationship>> autoTerminatedRelationships = new HashMap<>();
    for (final VersionedProcessor proposedProcessor : proposed.getProcessors()) {
        final ProcessorNode processor = processorsByVersionedId.get(proposedProcessor.getIdentifier());
        if (processor == null) {
            final ProcessorNode added = addProcessor(group, proposedProcessor, componentIdSeed);
            flowController.onProcessorAdded(added);
            final Set<Relationship> proposedAutoTerminated = proposedProcessor.getAutoTerminatedRelationships() == null ? Collections.emptySet() : proposedProcessor.getAutoTerminatedRelationships().stream().map(relName -> added.getRelationship(relName)).collect(Collectors.toSet());
            autoTerminatedRelationships.put(added, proposedAutoTerminated);
            LOG.info("Added {} to {}", added, this);
        } else if (updatedVersionedComponentIds.contains(proposedProcessor.getIdentifier())) {
            updateProcessor(processor, proposedProcessor);
            final Set<Relationship> proposedAutoTerminated = proposedProcessor.getAutoTerminatedRelationships() == null ? Collections.emptySet() : proposedProcessor.getAutoTerminatedRelationships().stream().map(relName -> processor.getRelationship(relName)).collect(Collectors.toSet());
            if (!processor.getAutoTerminatedRelationships().equals(proposedAutoTerminated)) {
                autoTerminatedRelationships.put(processor, proposedAutoTerminated);
            }
            LOG.info("Updated {}", processor);
        } else {
            processor.setPosition(new Position(proposedProcessor.getPosition().getX(), proposedProcessor.getPosition().getY()));
        }
        processorsRemoved.remove(proposedProcessor.getIdentifier());
    }
    // Remote Groups
    final Map<String, RemoteProcessGroup> rpgsByVersionedId = group.getRemoteProcessGroups().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> rpgsRemoved = new HashSet<>(rpgsByVersionedId.keySet());
    for (final VersionedRemoteProcessGroup proposedRpg : proposed.getRemoteProcessGroups()) {
        final RemoteProcessGroup rpg = rpgsByVersionedId.get(proposedRpg.getIdentifier());
        if (rpg == null) {
            final RemoteProcessGroup added = addRemoteProcessGroup(group, proposedRpg, componentIdSeed);
            LOG.info("Added {} to {}", added, this);
        } else if (updatedVersionedComponentIds.contains(proposedRpg.getIdentifier())) {
            updateRemoteProcessGroup(rpg, proposedRpg, componentIdSeed);
            LOG.info("Updated {}", rpg);
        } else {
            rpg.setPosition(new Position(proposedRpg.getPosition().getX(), proposedRpg.getPosition().getY()));
        }
        rpgsRemoved.remove(proposedRpg.getIdentifier());
    }
    // Connections
    final Map<String, Connection> connectionsByVersionedId = group.getConnections().stream().collect(Collectors.toMap(component -> component.getVersionedComponentId().orElse(component.getIdentifier()), Function.identity()));
    final Set<String> connectionsRemoved = new HashSet<>(connectionsByVersionedId.keySet());
    for (final VersionedConnection proposedConnection : proposed.getConnections()) {
        final Connection connection = connectionsByVersionedId.get(proposedConnection.getIdentifier());
        if (connection == null) {
            final Connection added = addConnection(group, proposedConnection, componentIdSeed);
            flowController.onConnectionAdded(added);
            LOG.info("Added {} to {}", added, this);
        } else if (isUpdateable(connection)) {
            // If the connection needs to be updated, then the source and destination will already have
            // been stopped (else, the validation above would fail). So if the source or the destination is running,
            // then we know that we don't need to update the connection.
            updateConnection(connection, proposedConnection);
            LOG.info("Updated {}", connection);
        }
        connectionsRemoved.remove(proposedConnection.getIdentifier());
    }
    // to remove a component if it has a connection going to it!
    for (final String removedVersionedId : connectionsRemoved) {
        final Connection connection = connectionsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", connection, group);
        group.removeConnection(connection);
        flowController.onConnectionRemoved(connection);
    }
    // Once the appropriate connections have been removed, we may now update Processors' auto-terminated relationships.
    // We cannot do this above, in the 'updateProcessor' call because if a connection is removed and changed to auto-terminated,
    // then updating this in the updateProcessor call above would attempt to set the Relationship to being auto-terminated while a
    // Connection for that relationship exists. This will throw an Exception.
    autoTerminatedRelationships.forEach((proc, rels) -> proc.setAutoTerminatedRelationships(rels));
    // Remove all controller services no longer in use
    for (final String removedVersionedId : controllerServicesRemoved) {
        final ControllerServiceNode service = servicesByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", service, group);
        // Must remove Controller Service through Flow Controller in order to remove from cache
        flowController.removeControllerService(service);
    }
    for (final String removedVersionedId : funnelsRemoved) {
        final Funnel funnel = funnelsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", funnel, group);
        group.removeFunnel(funnel);
    }
    for (final String removedVersionedId : inputPortsRemoved) {
        final Port port = inputPortsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", port, group);
        group.removeInputPort(port);
    }
    for (final String removedVersionedId : outputPortsRemoved) {
        final Port port = outputPortsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", port, group);
        group.removeOutputPort(port);
    }
    for (final String removedVersionedId : labelsRemoved) {
        final Label label = labelsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", label, group);
        group.removeLabel(label);
    }
    for (final String removedVersionedId : processorsRemoved) {
        final ProcessorNode processor = processorsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", processor, group);
        group.removeProcessor(processor);
    }
    for (final String removedVersionedId : rpgsRemoved) {
        final RemoteProcessGroup rpg = rpgsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", rpg, group);
        group.removeRemoteProcessGroup(rpg);
    }
    for (final String removedVersionedId : childGroupsRemoved) {
        final ProcessGroup childGroup = childGroupsByVersionedId.get(removedVersionedId);
        LOG.info("Removing {} from {}", childGroup, group);
        group.removeProcessGroup(childGroup);
    }
}

Example 2 with VersionedFlowCoordinates

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

the class NiFiRegistryFlowMapper method mapGroup.

private InstantiatedVersionedProcessGroup mapGroup(final ProcessGroup group, final ControllerServiceProvider serviceLookup, final FlowRegistryClient registryClient, final boolean topLevel, final boolean mapDescendantVersionedFlows) {
    final InstantiatedVersionedProcessGroup versionedGroup = new InstantiatedVersionedProcessGroup(group.getIdentifier(), group.getProcessGroupIdentifier());
    versionedGroup.setIdentifier(getId(group.getVersionedComponentId(), group.getIdentifier()));
    versionedGroup.setGroupIdentifier(getGroupId(group.getProcessGroupIdentifier()));
    versionedGroup.setName(group.getName());
    versionedGroup.setComments(group.getComments());
    versionedGroup.setPosition(mapPosition(group.getPosition()));
    // only for a child group that is itself version controlled.
    if (!topLevel) {
        final VersionControlInformation versionControlInfo = group.getVersionControlInformation();
        if (versionControlInfo != null) {
            final VersionedFlowCoordinates coordinates = new VersionedFlowCoordinates();
            final String registryId = versionControlInfo.getRegistryIdentifier();
            final FlowRegistry registry = registryClient.getFlowRegistry(registryId);
            if (registry == null) {
                throw new IllegalStateException("Process Group refers to a Flow Registry with ID " + registryId + " but no Flow Registry exists with that ID. Cannot resolve to a URL.");
            }
            coordinates.setRegistryUrl(registry.getURL());
            coordinates.setBucketId(versionControlInfo.getBucketIdentifier());
            coordinates.setFlowId(versionControlInfo.getFlowIdentifier());
            coordinates.setVersion(versionControlInfo.getVersion());
            versionedGroup.setVersionedFlowCoordinates(coordinates);
            // Otherwise, we will not be able to lookup the port when connecting to it.
            for (final Port port : group.getInputPorts()) {
                getId(port.getVersionedComponentId(), port.getIdentifier());
            }
            for (final Port port : group.getOutputPorts()) {
                getId(port.getVersionedComponentId(), port.getIdentifier());
            }
            // because the contents are remotely managed and not part of the versioning of this Process Group
            if (!mapDescendantVersionedFlows) {
                return versionedGroup;
            }
        }
    }
    versionedGroup.setControllerServices(group.getControllerServices(false).stream().map(service -> mapControllerService(service, serviceLookup)).collect(Collectors.toCollection(LinkedHashSet::new)));
    versionedGroup.setFunnels(group.getFunnels().stream().map(this::mapFunnel).collect(Collectors.toCollection(LinkedHashSet::new)));
    versionedGroup.setInputPorts(group.getInputPorts().stream().map(this::mapPort).collect(Collectors.toCollection(LinkedHashSet::new)));
    versionedGroup.setOutputPorts(group.getOutputPorts().stream().map(this::mapPort).collect(Collectors.toCollection(LinkedHashSet::new)));
    versionedGroup.setLabels(group.getLabels().stream().map(this::mapLabel).collect(Collectors.toCollection(LinkedHashSet::new)));
    versionedGroup.setProcessors(group.getProcessors().stream().map(processor -> mapProcessor(processor, serviceLookup)).collect(Collectors.toCollection(LinkedHashSet::new)));
    versionedGroup.setRemoteProcessGroups(group.getRemoteProcessGroups().stream().map(this::mapRemoteProcessGroup).collect(Collectors.toCollection(LinkedHashSet::new)));
    versionedGroup.setProcessGroups(group.getProcessGroups().stream().map(grp -> mapGroup(grp, serviceLookup, registryClient, false, mapDescendantVersionedFlows)).collect(Collectors.toCollection(LinkedHashSet::new)));
    versionedGroup.setConnections(group.getConnections().stream().map(this::mapConnection).collect(Collectors.toCollection(LinkedHashSet::new)));
    versionedGroup.setVariables(group.getVariableRegistry().getVariableMap().entrySet().stream().collect(Collectors.toMap(entry -> entry.getKey().getName(), Map.Entry::getValue)));
    return versionedGroup;
}

Example 3 with VersionedFlowCoordinates

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

the class StaticDifferenceDescriptor method describeDifference.

@Override
public String describeDifference(final DifferenceType type, final String flowAName, final String flowBName, final VersionedComponent componentA, final VersionedComponent componentB, final Object valueA, final Object valueB) {
    final String description;
    switch(type) {
        case COMPONENT_ADDED:
            description = String.format("%s with ID %s exists in %s but not in %s", componentB.getComponentType().getTypeName(), componentB.getIdentifier(), flowBName, flowAName);
            break;
        case COMPONENT_REMOVED:
            description = String.format("%s with ID %s exists in %s but not in %s", componentA.getComponentType().getTypeName(), componentA.getIdentifier(), flowAName, flowBName);
            break;
        case PROPERTY_ADDED:
            description = String.format("Property '%s' exists for %s with ID %s in %s but not in %s", valueB, componentB.getComponentType().getTypeName(), componentB.getIdentifier(), flowBName, flowAName);
            break;
        case PROPERTY_REMOVED:
            description = String.format("Property '%s' exists for %s with ID %s in %s but not in %s", valueA, componentA.getComponentType().getTypeName(), componentA.getIdentifier(), flowAName, flowBName);
            break;
        case VARIABLE_ADDED:
            description = String.format("Variable '%s' exists for Process Group with ID %s in %s but not in %s", valueB, componentB.getIdentifier(), flowBName, flowAName);
            break;
        case VARIABLE_REMOVED:
            description = String.format("Variable '%s' exists for Process Group with ID %s in %s but not in %s", valueA, componentA.getIdentifier(), flowAName, flowBName);
            break;
        case VERSIONED_FLOW_COORDINATES_CHANGED:
            if (valueA instanceof VersionedFlowCoordinates && valueB instanceof VersionedFlowCoordinates) {
                final VersionedFlowCoordinates coordinatesA = (VersionedFlowCoordinates) valueA;
                final VersionedFlowCoordinates coordinatesB = (VersionedFlowCoordinates) valueB;
                // If the two vary only by version, then use a more concise message. If anything else is different, then use a fully explanation.
                if (Objects.equals(coordinatesA.getRegistryUrl(), coordinatesB.getRegistryUrl()) && Objects.equals(coordinatesA.getBucketId(), coordinatesB.getBucketId()) && Objects.equals(coordinatesA.getFlowId(), coordinatesB.getFlowId()) && coordinatesA.getVersion() != coordinatesB.getVersion()) {
                    description = String.format("Flow Version is %s in %s but %s in %s", coordinatesA.getVersion(), flowAName, coordinatesB.getVersion(), flowBName);
                    break;
                }
            }
            description = String.format("%s for %s with ID %s; flow '%s' has value %s; flow '%s' has value %s", type.getDescription(), componentA.getComponentType().getTypeName(), componentA.getIdentifier(), flowAName, valueA, flowBName, valueB);
            break;
        default:
            description = String.format("%s for %s with ID %s; flow '%s' has value %s; flow '%s' has value %s", type.getDescription(), componentA.getComponentType().getTypeName(), componentA.getIdentifier(), flowAName, valueA, flowBName, valueB);
            break;
    }
    return description;
}

Example 4 with VersionedFlowCoordinates

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

the class StandardNiFiServiceFacade method verifyImportProcessGroup.

private void verifyImportProcessGroup(final VersionControlInformationDTO vciDto, final VersionedProcessGroup contents, final ProcessGroup group) {
    if (group == null) {
        return;
    }
    final VersionControlInformation vci = group.getVersionControlInformation();
    if (vci != null) {
        // that point to the same server (one could point to localhost while another points to 127.0.0.1, for instance)..
        if (Objects.equals(vciDto.getBucketId(), vci.getBucketIdentifier()) && Objects.equals(vciDto.getFlowId(), vci.getFlowIdentifier())) {
            throw new IllegalStateException("Cannot import the specified Versioned Flow into the Process Group because doing so would cause a recursive dataflow. " + "If Process Group A contains Process Group B, then Process Group B is not allowed to contain the flow identified by Process Group A.");
        }
    }
    final Set<VersionedProcessGroup> childGroups = contents.getProcessGroups();
    if (childGroups != null) {
        for (final VersionedProcessGroup childGroup : childGroups) {
            final VersionedFlowCoordinates childCoordinates = childGroup.getVersionedFlowCoordinates();
            if (childCoordinates != null) {
                final VersionControlInformationDTO childVci = new VersionControlInformationDTO();
                childVci.setBucketId(childCoordinates.getBucketId());
                childVci.setFlowId(childCoordinates.getFlowId());
                verifyImportProcessGroup(childVci, childGroup, group);
            }
        }
    }
    verifyImportProcessGroup(vciDto, contents, group.getParent());
}

Example 5 with VersionedFlowCoordinates

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

the class ConciseEvolvingDifferenceDescriptor method describeDifference.

@Override
public String describeDifference(final DifferenceType type, final String flowAName, final String flowBName, final VersionedComponent componentA, final VersionedComponent componentB, final Object valueA, final Object valueB) {
    final String description;
    switch(type) {
        case COMPONENT_ADDED:
            description = String.format("%s was added", componentB.getComponentType().getTypeName());
            break;
        case COMPONENT_REMOVED:
            description = String.format("%s was removed", componentA.getComponentType().getTypeName());
            break;
        case PROPERTY_ADDED:
            description = String.format("Property '%s' was added", valueB);
            break;
        case PROPERTY_REMOVED:
            description = String.format("Property '%s' was removed", valueA);
            break;
        case VARIABLE_ADDED:
            description = String.format("Variable '%s' was added", valueB);
            break;
        case VARIABLE_REMOVED:
            description = String.format("Variable '%s' was removed", valueA);
            break;
        case POSITION_CHANGED:
            description = "Position was changed";
            break;
        case BENDPOINTS_CHANGED:
            description = "Connection Bendpoints changed";
            break;
        case VERSIONED_FLOW_COORDINATES_CHANGED:
            if (valueA instanceof VersionedFlowCoordinates && valueB instanceof VersionedFlowCoordinates) {
                final VersionedFlowCoordinates coordinatesA = (VersionedFlowCoordinates) valueA;
                final VersionedFlowCoordinates coordinatesB = (VersionedFlowCoordinates) valueB;
                // If the two vary only by version, then use a more concise message. If anything else is different, then use a fully explanation.
                if (Objects.equals(coordinatesA.getRegistryUrl(), coordinatesB.getRegistryUrl()) && Objects.equals(coordinatesA.getBucketId(), coordinatesB.getBucketId()) && Objects.equals(coordinatesA.getFlowId(), coordinatesB.getFlowId()) && coordinatesA.getVersion() != coordinatesB.getVersion()) {
                    description = String.format("Flow Version changed from %s to %s", coordinatesA.getVersion(), coordinatesB.getVersion());
                    break;
                }
            }
            description = String.format("From '%s' to '%s'", valueA, valueB);
            break;
        default:
            description = String.format("From '%s' to '%s'", valueA, valueB);
            break;
    }
    return description;
}