+
+ public String addBulk(String version, BulkPayload payload, HttpHeaders headers) throws CrudException {
+ HashMap<String, Vertex> vertices = new HashMap<>();
+ HashMap<String, Edge> edges = new HashMap<>();
+
+ String txId = dao.openTransaction();
+
+ try {
+ // Step 1. Handle edge deletes (must happen before vertex deletes)
+ for (JsonElement v : payload.getRelationships()) {
+ List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>(
+ v.getAsJsonObject().entrySet());
+
+ if (entries.size() != 2) {
+ throw new CrudException("", Status.BAD_REQUEST);
+ }
+ Map.Entry<String, JsonElement> opr = entries.get(0);
+ Map.Entry<String, JsonElement> item = entries.get(1);
+ EdgePayload edgePayload = EdgePayload.fromJson(item.getValue().getAsJsonObject().toString());
+
+ if (opr.getValue().getAsString().equalsIgnoreCase("delete")) {
+ deleteBulkEdge(edgePayload.getId(), version, txId);
+ }
+ }
+
+ // Step 2: Handle vertex deletes
+ for (JsonElement v : payload.getObjects()) {
+ List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>(
+ v.getAsJsonObject().entrySet());
+
+ if (entries.size() != 2) {
+ throw new CrudException("", Status.BAD_REQUEST);
+ }
+
+ Map.Entry<String, JsonElement> opr = entries.get(0);
+ Map.Entry<String, JsonElement> item = entries.get(1);
+ VertexPayload vertexPayload = VertexPayload.fromJson(item.getValue().getAsJsonObject().toString());
+
+ if (opr.getValue().getAsString().equalsIgnoreCase("delete")) {
+ String type = OxmModelValidator.resolveCollectionType(version, vertexPayload.getType());
+ deleteBulkVertex(vertexPayload.getId(), version, type, txId);
+ }
+ }
+
+ // Step 3: Handle vertex add/modify (must happen before edge adds)
+ for (JsonElement v : payload.getObjects()) {
+ List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>(
+ v.getAsJsonObject().entrySet());
+
+ if (entries.size() != 2) {
+ throw new CrudException("", Status.BAD_REQUEST);
+ }
+ Map.Entry<String, JsonElement> opr = entries.get(0);
+ Map.Entry<String, JsonElement> item = entries.get(1);
+ VertexPayload vertexPayload = VertexPayload.fromJson(item.getValue().getAsJsonObject().toString());
+
+ // Add vertex
+ if (opr.getValue().getAsString().equalsIgnoreCase("add")) {
+ vertexPayload.setProperties(CrudServiceUtil.mergeHeaderInFoToPayload(vertexPayload.getProperties(),
+ headers, true));
+ Vertex validatedVertex = OxmModelValidator.validateIncomingUpsertPayload(null, version, vertexPayload.getType(),
+ vertexPayload.getProperties());
+ Vertex persistedVertex = addBulkVertex(validatedVertex, version, txId);
+ Vertex outgoingVertex = OxmModelValidator.validateOutgoingPayload(version, persistedVertex);
+ vertices.put(item.getKey(), outgoingVertex);
+ }
+
+ // Update vertex
+ else if (opr.getValue().getAsString().equalsIgnoreCase("modify")) {
+ vertexPayload.setProperties(CrudServiceUtil.mergeHeaderInFoToPayload(vertexPayload.getProperties(),
+ headers, false));
+ Vertex validatedVertex = OxmModelValidator.validateIncomingUpsertPayload(vertexPayload.getId(), version,
+ vertexPayload.getType(), vertexPayload.getProperties());
+ Vertex persistedVertex = updateBulkVertex(validatedVertex, vertexPayload.getId(), version, txId);
+ Vertex outgoingVertex = OxmModelValidator.validateOutgoingPayload(version, persistedVertex);
+ vertices.put(item.getKey(), outgoingVertex);
+ }
+
+ // Patch vertex
+ else if (opr.getValue().getAsString().equalsIgnoreCase("patch")) {
+ if ( (vertexPayload.getId() == null) || (vertexPayload.getType() == null) ) {
+ throw new CrudException("id and type must be specified for patch request", Status.BAD_REQUEST);
+ }
+
+ vertexPayload.setProperties(CrudServiceUtil.mergeHeaderInFoToPayload(vertexPayload.getProperties(),
+ headers, false));
+
+ OperationResult existingVertexOpResult = dao.getVertex(vertexPayload.getId(), OxmModelValidator.resolveCollectionType(version, vertexPayload.getType()), version, new HashMap<String, String>());
+ Vertex existingVertex = Vertex.fromJson(existingVertexOpResult.getResult(), version);
+ Vertex validatedVertex = OxmModelValidator.validateIncomingPatchPayload(vertexPayload.getId(),
+ version, vertexPayload.getType(), vertexPayload.getProperties(), existingVertex);
+ Vertex persistedVertex = updateBulkVertex(validatedVertex, vertexPayload.getId(), version, txId);
+ Vertex outgoingVertex = OxmModelValidator.validateOutgoingPayload(version, persistedVertex);
+ vertices.put(item.getKey(), outgoingVertex);
+ }
+ }
+
+ // Step 4: Handle edge add/modify
+ for (JsonElement v : payload.getRelationships()) {
+ List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>(
+ v.getAsJsonObject().entrySet());
+
+ if (entries.size() != 2) {
+ throw new CrudException("", Status.BAD_REQUEST);
+ }
+ Map.Entry<String, JsonElement> opr = entries.get(0);
+ Map.Entry<String, JsonElement> item = entries.get(1);
+ EdgePayload edgePayload = EdgePayload.fromJson(item.getValue().getAsJsonObject().toString());
+
+ // Add/Update edge
+ if (opr.getValue().getAsString().equalsIgnoreCase("add")
+ || opr.getValue().getAsString().equalsIgnoreCase("modify")
+ || opr.getValue().getAsString().equalsIgnoreCase("patch")) {
+ Edge validatedEdge;
+ Edge persistedEdge;
+ if (opr.getValue().getAsString().equalsIgnoreCase("add")) {
+ // Fix the source/destination
+ if (edgePayload.getSource().startsWith("$")) {
+ Vertex source = vertices.get(edgePayload.getSource().substring(1));
+ if (source == null) {
+ throw new CrudException("Not able to find vertex: " + edgePayload.getSource().substring(1),
+ Status.INTERNAL_SERVER_ERROR);
+ }
+ edgePayload
+ .setSource("services/inventory/" + version + "/" + source.getType() + "/" + source.getId().get());
+ }
+ if (edgePayload.getTarget().startsWith("$")) {
+ Vertex target = vertices.get(edgePayload.getTarget().substring(1));
+ if (target == null) {
+ throw new CrudException("Not able to find vertex: " + edgePayload.getTarget().substring(1),
+ Status.INTERNAL_SERVER_ERROR);
+ }
+ edgePayload
+ .setTarget("services/inventory/" + version + "/" + target.getType() + "/" + target.getId().get());
+ }
+
+ // If the type isn't set, resolve it based on on the sourece and target vertex types
+ if (edgePayload.getType() == null || edgePayload.getType().isEmpty()) {
+ edgePayload.setType(CrudServiceUtil.determineEdgeType(edgePayload, version));
+ }
+
+ List<Edge> sourceVertexEdges =
+ EdgePayloadUtil.filterEdgesByRelatedVertexAndType(EdgePayloadUtil.getVertexNodeType(edgePayload.getSource()), edgePayload.getType(),
+ dao.getVertexEdges(EdgePayloadUtil.getVertexNodeId(edgePayload.getSource()), null, txId));
+
+ List<Edge> targetVertexEdges =
+ EdgePayloadUtil.filterEdgesByRelatedVertexAndType(EdgePayloadUtil.getVertexNodeType(edgePayload.getTarget()), edgePayload.getType(),
+ dao.getVertexEdges(EdgePayloadUtil.getVertexNodeId(edgePayload.getTarget()), null, txId));
+
+ validatedEdge = RelationshipSchemaValidator.validateIncomingAddPayload(version, edgePayload.getType(), edgePayload, sourceVertexEdges,
+ targetVertexEdges);
+ persistedEdge = addBulkEdge(validatedEdge, version, txId);
+ } else if (opr.getValue().getAsString().equalsIgnoreCase("modify")) {
+ Edge edge = dao.getEdge(edgePayload.getId(), txId);
+
+ // If the type isn't set, resolve it based on on the sourece and target vertex types
+ if (edgePayload.getType() == null || edgePayload.getType().isEmpty()) {
+ edgePayload.setType(edge.getType());
+ }
+
+ // load source and target vertex relationships for validation
+ List<Edge> sourceVertexEdges =
+ EdgePayloadUtil.filterEdgesByRelatedVertexAndType(EdgePayloadUtil.getVertexNodeType(edgePayload.getSource()), edgePayload.getType(),
+ dao.getVertexEdges(EdgePayloadUtil.getVertexNodeId(edgePayload.getSource()), null, txId));
+
+ List<Edge> targetVertexEdges =
+ EdgePayloadUtil.filterEdgesByRelatedVertexAndType(EdgePayloadUtil.getVertexNodeType(edgePayload.getTarget()), edgePayload.getType(),
+ dao.getVertexEdges(EdgePayloadUtil.getVertexNodeId(edgePayload.getTarget()), null, txId));
+
+
+ validatedEdge = RelationshipSchemaValidator.validateIncomingUpdatePayload(edge, version, edgePayload, edgePayload.getType(), sourceVertexEdges, targetVertexEdges);
+ persistedEdge = updateBulkEdge(validatedEdge, version, txId);
+ } else {
+ if (edgePayload.getId() == null) {
+ throw new CrudException("id must be specified for patch request", Status.BAD_REQUEST);
+ }
+ Edge existingEdge = dao.getEdge(edgePayload.getId(), txId);
+
+ // If the type isn't set, resolve it based on on the sourece and target vertex types
+ if (edgePayload.getType() == null || edgePayload.getType().isEmpty()) {
+ edgePayload.setType(existingEdge.getType());
+ }
+
+ Edge patchedEdge = RelationshipSchemaValidator.validateIncomingPatchPayload(existingEdge, version, edgePayload);
+ persistedEdge = updateBulkEdge(patchedEdge, version, txId);
+ }
+
+
+ Edge outgoingEdge = RelationshipSchemaValidator.validateOutgoingPayload(version, persistedEdge);
+ edges.put(item.getKey(), outgoingEdge);
+ }
+ }
+
+ // commit transaction
+ dao.commitTransaction(txId);
+ } catch (CrudException ex) {
+ dao.rollbackTransaction(txId);
+ throw ex;
+ } catch (Exception ex) {
+ dao.rollbackTransaction(txId);
+ throw ex;
+ } finally {
+ if (dao.transactionExists(txId)) {
+ dao.rollbackTransaction(txId);
+ }
+ }
+
+ return CrudResponseBuilder.buildUpsertBulkResponse(vertices, edges, version, payload);
+ }
+
+
+ public abstract ImmutablePair<EntityTag, String> addVertex(String version, String type, VertexPayload payload)
+ throws CrudException;
+ public abstract ImmutablePair<EntityTag, String> updateVertex(String version, String id, String type,
+ VertexPayload payload) throws CrudException;
+ public abstract ImmutablePair<EntityTag, String> patchVertex(String version, String id, String type,
+ VertexPayload payload) throws CrudException;