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package org.openecomp.sdc.be.model.jsonjanusgraph.operations;
import org.janusgraph.core.JanusGraphVertex;
import fj.data.Either;
import org.apache.tinkerpop.gremlin.structure.Direction;
import org.apache.tinkerpop.gremlin.structure.Edge;
import org.openecomp.sdc.be.dao.janusgraph.JanusGraphOperationStatus;
import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
import org.openecomp.sdc.be.dao.jsongraph.types.EdgeLabelEnum;
import org.openecomp.sdc.be.dao.jsongraph.types.EdgePropertyEnum;
import org.openecomp.sdc.be.dao.jsongraph.types.JsonParseFlagEnum;
import org.openecomp.sdc.be.datatypes.elements.ComponentInstanceDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.CompositionDataDefinition;
import org.openecomp.sdc.be.datatypes.enums.GraphPropertyEnum;
import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
import org.openecomp.sdc.be.model.ComponentDependency;
import org.openecomp.sdc.be.model.jsonjanusgraph.enums.JsonConstantKeysEnum;
import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
import org.openecomp.sdc.be.model.operations.impl.DaoStatusConverter;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.springframework.stereotype.Component;
import java.util.*;
import java.util.function.Function;
import java.util.stream.Collectors;
@Component
public class UpgradeOperation extends BaseOperation {
private static final Logger log = Logger.getLogger(UpgradeOperation.class.getName());
public Either<List<ComponentDependency>, StorageOperationStatus> getComponentDependencies(String componentId) {
Either<GraphVertex, JanusGraphOperationStatus> vertexById = janusGraphDao.getVertexById(componentId);
if (vertexById.isRight()) {
log.debug("Failed to fetch vertex with id {} error {}", componentId, vertexById.right().value());
return Either.right(DaoStatusConverter.convertJanusGraphStatusToStorageStatus(vertexById.right().value()));
}
List<ComponentDependency> dependencies = new ArrayList<>();
GraphVertex vertex = vertexById.left().value();
StorageOperationStatus status = fillDependenciesByVertex(componentId, dependencies, vertex);
if (status != StorageOperationStatus.OK) {
return Either.right(status);
}
GraphVertex vertexToStart = vertex;
Function<GraphVertex, Either<GraphVertex, JanusGraphOperationStatus>> getNextElement = vertexP -> janusGraphDao
.getParentVertex(vertexP, EdgeLabelEnum.VERSION, JsonParseFlagEnum.ParseAll);
status = handleVersionChain(componentId, dependencies, vertex, getNextElement);
if (status != StorageOperationStatus.OK) {
return Either.right(status);
}
vertex = vertexToStart;
getNextElement = vertexP -> janusGraphDao
.getChildVertex(vertexP, EdgeLabelEnum.VERSION, JsonParseFlagEnum.ParseAll);
status = handleVersionChain(componentId, dependencies, vertex, getNextElement);
return status == StorageOperationStatus.OK ? Either.left(dependencies) : Either.right(status);
}
private StorageOperationStatus handleVersionChain(String componentId, List<ComponentDependency> dependencies, GraphVertex vertexToStart, Function<GraphVertex, Either<GraphVertex, JanusGraphOperationStatus>> getNextElement) {
StorageOperationStatus status;
boolean nextInChain = true;
GraphVertex vertex = vertexToStart;
Either<GraphVertex, JanusGraphOperationStatus> nextInChainV;
while (nextInChain) {
nextInChainV = getNextElement.apply(vertex);
if (nextInChainV.isRight()) {
nextInChain = false;
} else {
vertex = nextInChainV.left().value();
status = fillDependenciesByVertex(componentId, dependencies, vertex);
if (status != StorageOperationStatus.OK) {
return status;
}
}
}
return StorageOperationStatus.OK;
}
private StorageOperationStatus fillDependenciesByVertex(String componentId, List<ComponentDependency> dependencies, GraphVertex vertex) {
StorageOperationStatus status = StorageOperationStatus.OK;
if ( needToAddToDepenedency(vertex) ) {
ComponentDependency dependency = fillDataFromVertex(vertex, null, null);
List<EdgeLabelEnum> dependList = Arrays.asList(EdgeLabelEnum.INSTANCE_OF, EdgeLabelEnum.PROXY_OF, EdgeLabelEnum.ALLOTTED_OF);
for (EdgeLabelEnum label : dependList) {
status = fillDependenciesByLabel(componentId, vertex, dependency, label);
if (status != StorageOperationStatus.OK) {
log.debug("Failed to create dependencies for component {} and label {} status {}", componentId, label, status);
break;
}
}
if (status == StorageOperationStatus.OK) {
dependencies.add(dependency);
}
}
return status;
}
private boolean needToAddToDepenedency(GraphVertex vertex){
Boolean isDeleted = (Boolean) vertex.getMetadataProperty(GraphPropertyEnum.IS_DELETED);
Boolean isArchived = (Boolean) vertex.getMetadataProperty(GraphPropertyEnum.IS_ARCHIVED);
return ( isDeleted == Boolean.TRUE || isArchived == Boolean.TRUE) ? false : true;
}
private StorageOperationStatus fillDependenciesByLabel(String componentId, GraphVertex vertex, ComponentDependency dependency, EdgeLabelEnum label) {
Either<List<GraphVertex>, JanusGraphOperationStatus> parentVertecies = janusGraphDao
.getParentVertecies(vertex, label, JsonParseFlagEnum.ParseAll);
if (parentVertecies.isRight() && parentVertecies.right().value() != JanusGraphOperationStatus.NOT_FOUND) {
log.debug("Failed to fetch parent verticies by label INSTANCE_OF for vertex with id {} error {}", componentId, parentVertecies.right().value());
return DaoStatusConverter.convertJanusGraphStatusToStorageStatus(parentVertecies.right().value());
}
if (parentVertecies.isLeft()) {
List<ComponentDependency> existIn = new ArrayList<>( );
parentVertecies.left().value().forEach(v -> handleHighestVersion(vertex, label, existIn, v) );
dependency.addDependencies(existIn);
}
return StorageOperationStatus.OK;
}
private void handleHighestVersion(GraphVertex vertexOrigin, EdgeLabelEnum label, List<ComponentDependency> exisIn, GraphVertex containerVertex) {
Boolean isHighest = (Boolean) containerVertex.getMetadataProperty(GraphPropertyEnum.IS_HIGHEST_VERSION);
if ( isHighest && needToAddToDepenedency(containerVertex) ) {
JanusGraphVertex janusGraphVertex = containerVertex.getVertex();
Iterator<Edge> edges = janusGraphVertex.edges(Direction.OUT, EdgeLabelEnum.VERSION.name());
//verify that it is a last version - highest by version number
if ( edges == null || !edges.hasNext() ){
ComponentDependency container = fillDataFromVertex(containerVertex, vertexOrigin.getUniqueId(), label);
boolean addToDependency = true;
if (label == EdgeLabelEnum.ALLOTTED_OF) {
//in case of not full allotted chain not add to dependency list
addToDependency = findAllottedChain(containerVertex, container);
}
if ( addToDependency ){
exisIn.add(container);
}
}
}
}
private boolean findAllottedChain(GraphVertex vertex, ComponentDependency container) {
Either<List<GraphVertex>, JanusGraphOperationStatus> parentVertecies = janusGraphDao
.getParentVertecies(vertex, EdgeLabelEnum.INSTANCE_OF, JsonParseFlagEnum.ParseAll);
if (parentVertecies.isLeft()) {
List<ComponentDependency> existIn = new ArrayList<>();
parentVertecies.left().value().forEach(v -> {
Boolean isHighest = (Boolean) v.getMetadataProperty(GraphPropertyEnum.IS_HIGHEST_VERSION);
if ( isHighest && needToAddToDepenedency(v) ) {
JanusGraphVertex janusGraphVertex = v.getVertex();
Iterator<Edge> edges = janusGraphVertex.edges(Direction.OUT, EdgeLabelEnum.VERSION.name());
//verify that it is a last version - highest by version number
if ( edges == null || !edges.hasNext() ){
ComponentDependency parentContainer = fillDataFromVertex(v, vertex.getUniqueId(), EdgeLabelEnum.INSTANCE_OF);
existIn.add(parentContainer);
}
}
});
if ( !existIn.isEmpty() ){
container.setDependencies(existIn);
return true;
}
}
return false;
}
private ComponentDependency fillDataFromVertex(GraphVertex v, String originId, EdgeLabelEnum edgeLabel) {
ComponentDependency container = new ComponentDependency();
container.setName((String) v.getMetadataProperty(GraphPropertyEnum.NAME));
container.setVersion((String) v.getMetadataProperty(GraphPropertyEnum.VERSION));
container.setUniqueId(v.getUniqueId());
container.setType((String) v.getMetadataProperty(GraphPropertyEnum.COMPONENT_TYPE));
container.setIcon((String) v.getJsonMetadataField(JsonPresentationFields.ICON));
container.setState((String) v.getMetadataProperty(GraphPropertyEnum.STATE));
if (edgeLabel == EdgeLabelEnum.PROXY_OF || edgeLabel == EdgeLabelEnum.ALLOTTED_OF) {
findInstanceNames(v, originId, edgeLabel, container);
}
return container;
}
private void findInstanceNames(GraphVertex v, String originId, EdgeLabelEnum edgeLabel, ComponentDependency container) {
Map<String, CompositionDataDefinition> jsonComposition = (Map<String, CompositionDataDefinition>) v.getJson();
CompositionDataDefinition compositionDataDefinition = jsonComposition.get(JsonConstantKeysEnum.COMPOSITION.getValue());
JanusGraphVertex vertex = v.getVertex();
Iterator<Edge> edges = vertex.edges(Direction.OUT, edgeLabel.name());
while (edges != null && edges.hasNext()) {
Edge edge = edges.next();
JanusGraphVertex inVertex = (JanusGraphVertex) edge.inVertex();
String id = (String) janusGraphDao.getProperty(inVertex, GraphPropertyEnum.UNIQUE_ID.getProperty());
if (id.equals(originId)) {
List<String> instanceOnEdge = (List<String>) janusGraphDao
.getProperty(edge, EdgePropertyEnum.INSTANCES);
Map<String, ComponentInstanceDataDefinition> componentInstances = compositionDataDefinition.getComponentInstances();
if (componentInstances != null) {
List<String> ciNames = componentInstances
.values()
.stream()
.filter(ci -> instanceOnEdge.contains(ci.getUniqueId()))
.map(ComponentInstanceDataDefinition::getName)
.collect(Collectors.toList());
if (ciNames != null && !ciNames.isEmpty()) {
container.setInstanceNames(ciNames);
break;
}
}
}
}
}
public List<String> getInstanceIdFromAllottedEdge(String resourceId, String serviceInvariantUUID) {
Either<GraphVertex, JanusGraphOperationStatus> vertexById = janusGraphDao.getVertexById(resourceId);
if ( vertexById.isLeft() ){
GraphVertex vertexG = vertexById.left().value();
JanusGraphVertex vertex = vertexG.getVertex();
Iterator<Edge> edges = vertex.edges(Direction.OUT, EdgeLabelEnum.ALLOTTED_OF.name());
while ( edges != null && edges.hasNext() ){
Edge edge = edges.next();
JanusGraphVertex inVertex = (JanusGraphVertex)edge.inVertex();
String vertexInInvUUID = (String) janusGraphDao
.getProperty(inVertex, GraphPropertyEnum.INVARIANT_UUID.getProperty());
if ( vertexInInvUUID.equals(serviceInvariantUUID) ){
return (List<String>) janusGraphDao.getProperty(edge, EdgePropertyEnum.INSTANCES) ;
}
}
}
return new ArrayList<>();
}
}
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