+ 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("add")
+ || opr.getValue().getAsString().equalsIgnoreCase("modify")) {
+ Vertex validatedVertex;
+ GraphEvent event;
+
+ if (opr.getValue().getAsString().equalsIgnoreCase("add")) {
+ // Publish add-vertex event
+ validatedVertex = OxmModelValidator.validateIncomingUpsertPayload(null, version, vertexPayload.getType(),
+ vertexPayload.getProperties());
+ event = GraphEvent.builder(GraphEventOperation.CREATE)
+ .vertex(GraphEventVertex.fromVertex(validatedVertex, version)).build();
+ } else {
+ // Publish update-vertex event
+ validatedVertex = OxmModelValidator.validateIncomingUpsertPayload(vertexPayload.getId(), version,
+ vertexPayload.getType(), vertexPayload.getProperties());
+ event = GraphEvent.builder(GraphEventOperation.UPDATE)
+ .vertex(GraphEventVertex.fromVertex(validatedVertex, version)).build();
+ }
+
+ event.setDbTransactionId(txId);
+ GraphEvent response = publishEvent(event);
+ Vertex persistedVertex = response.getVertex().toVertex();
+ Vertex outgoingVertex = OxmModelValidator.validateOutgoingPayload(version, persistedVertex);
+ vertices.put(item.getKey(), outgoingVertex);
+ } else if (opr.getValue().getAsString().equalsIgnoreCase("delete")) {
+ // Publish delete-vertex event
+ String type = OxmModelValidator.resolveCollectionType(version, vertexPayload.getType());
+ GraphEvent event = GraphEvent.builder(GraphEventOperation.DELETE)
+ .vertex(new GraphEventVertex(vertexPayload.getId(), version, type, null)).build();
+ event.setDbTransactionId(txId);
+ publishEvent(event);
+ }
+ }
+
+ // Handle Edges
+ 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("add")
+ || opr.getValue().getAsString().equalsIgnoreCase("modify")) {
+ 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());
+ }
+ validatedEdge = RelationshipSchemaValidator.validateIncomingAddPayload(version, edgePayload.getType(),
+ edgePayload);
+ GraphEvent event = GraphEvent.builder(GraphEventOperation.CREATE)
+ .edge(GraphEventEdge.fromEdge(validatedEdge, version)).build();
+ event.setDbTransactionId(txId);
+ GraphEvent response = publishEvent(event);
+ persistedEdge = response.getEdge().toEdge();
+ } else {
+ Edge edge = dao.getEdge(edgePayload.getId(), edgePayload.getType(), txId);
+ validatedEdge = RelationshipSchemaValidator.validateIncomingUpdatePayload(edge, version, edgePayload);
+ GraphEvent event = GraphEvent.builder(GraphEventOperation.UPDATE)
+ .edge(GraphEventEdge.fromEdge(validatedEdge, version)).build();
+ event.setDbTransactionId(txId);
+ GraphEvent response = publishEvent(event);
+ persistedEdge = response.getEdge().toEdge();
+ }
+
+ Edge outgoingEdge = RelationshipSchemaValidator.validateOutgoingPayload(version, persistedEdge);
+ edges.put(item.getKey(), outgoingEdge);
+ } else if (opr.getValue().getAsString().equalsIgnoreCase("delete")) {
+ RelationshipSchemaValidator.validateType(version, edgePayload.getType());
+ // Publish delete-vertex event
+ GraphEvent event = GraphEvent.builder(GraphEventOperation.DELETE)
+ .edge(new GraphEventEdge(edgePayload.getId(), version, edgePayload.getType(), null, null, null)).build();
+ event.setDbTransactionId(txId);
+ publishEvent(event);
+ }
+ }
+
+ // 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);
+ }
+
+ private GraphEvent publishEvent(GraphEvent event) throws CrudException {
+ GraphEvent response = sendAndWait(event);
+ if (response.getResult().equals(GraphEventResult.SUCCESS)) {
+ logSuccessResponse(event, response);
+ } else {
+ logErrorResponse(event, response);
+ throw new CrudException("Operation failed with transaction-id: " + response.getTransactionId()
+ + " Error: " + response.getErrorMessage(), response.getHttpErrorStatus());
+ }
+
+ return response;
+ }