use of org.apache.nifi.registry.flow.mapping.InstantiatedVersionedProcessor 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;
}
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