*/
package org.onap.crud.service;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
import java.util.List;
import java.util.Map;
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.Response.Status;
+
import org.onap.crud.dao.GraphDao;
import org.onap.crud.entity.Edge;
import org.onap.crud.entity.Vertex;
import org.onap.schema.OxmModelValidator;
import org.onap.schema.RelationshipSchemaValidator;
+import com.google.gson.JsonElement;
+
public abstract class AbstractGraphDataService {
+ protected GraphDao daoForGet;
protected GraphDao dao;
- public AbstractGraphDataService(GraphDao dao) throws CrudException {
- this.dao = dao;
-
+ public AbstractGraphDataService() throws CrudException {
CrudServiceUtil.loadModels();
}
-
- public String getEdge(String version, String id, String type) throws CrudException {
+
+ public String getEdge(String version, String id, String type, Map<String, String> queryParams) throws CrudException {
RelationshipSchemaValidator.validateType(version, type);
- Edge edge = dao.getEdge(id, type);
+ Edge edge = daoForGet.getEdge(id, type, queryParams);
return CrudResponseBuilder.buildGetEdgeResponse(RelationshipSchemaValidator.validateOutgoingPayload(version, edge), version);
}
public String getEdges(String version, String type, Map<String, String> filter) throws CrudException {
RelationshipSchemaValidator.validateType(version, type);
- List<Edge> items = dao.getEdges(type, RelationshipSchemaValidator.resolveCollectionfilter(version, type, filter));
+ List<Edge> items = daoForGet.getEdges(type, RelationshipSchemaValidator.resolveCollectionfilter(version, type, filter));
return CrudResponseBuilder.buildGetEdgesResponse(items, version);
}
- public String getVertex(String version, String id, String type) throws CrudException {
+ public String getVertex(String version, String id, String type, Map<String, String> queryParams) throws CrudException {
type = OxmModelValidator.resolveCollectionType(version, type);
- Vertex vertex = dao.getVertex(id, type);
- List<Edge> edges = dao.getVertexEdges(id);
+ Vertex vertex = daoForGet.getVertex(id, type, version, queryParams);
+ List<Edge> edges = daoForGet.getVertexEdges(id, queryParams);
return CrudResponseBuilder.buildGetVertexResponse(OxmModelValidator.validateOutgoingPayload(version, vertex), edges,
version);
}
- public String getVertices(String version, String type, Map<String, String> filter) throws CrudException {
+ public String getVertices(String version, String type, Map<String, String> filter, HashSet<String> properties) throws CrudException {
type = OxmModelValidator.resolveCollectionType(version, type);
- List<Vertex> items = dao.getVertices(type, OxmModelValidator.resolveCollectionfilter(version, type, filter));
+ List<Vertex> items = daoForGet.getVertices(type, OxmModelValidator.resolveCollectionfilter(version, type, filter), properties, version);
return CrudResponseBuilder.buildGetVerticesResponse(items, version);
}
+ public String addBulk(String version, BulkPayload payload, HttpHeaders headers) throws CrudException {
+ HashMap<String, Vertex> vertices = new HashMap<String, Vertex>();
+ HashMap<String, Edge> edges = new HashMap<String, Edge>();
+
+ 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")) {
+ RelationshipSchemaValidator.validateType(version, edgePayload.getType());
+ deleteBulkEdge(edgePayload.getId(), version, edgePayload.getType(), 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));
+
+ Vertex existingVertex = dao.getVertex(vertexPayload.getId(), OxmModelValidator.resolveCollectionType(version, vertexPayload.getType()), version, new HashMap<String, String>());
+ 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());
+ }
+ validatedEdge = RelationshipSchemaValidator.validateIncomingAddPayload(version, edgePayload.getType(),
+ edgePayload);
+ persistedEdge = addBulkEdge(validatedEdge, version, txId);
+ } else if (opr.getValue().getAsString().equalsIgnoreCase("modify")) {
+ Edge edge = dao.getEdge(edgePayload.getId(), edgePayload.getType(), txId);
+ validatedEdge = RelationshipSchemaValidator.validateIncomingUpdatePayload(edge, version, edgePayload);
+ persistedEdge = updateBulkEdge(validatedEdge, version, txId);
+ } else {
+ if ( (edgePayload.getId() == null) || (edgePayload.getType() == null) ) {
+ throw new CrudException("id and type must be specified for patch request", Status.BAD_REQUEST);
+ }
+ Edge existingEdge = dao.getEdge(edgePayload.getId(), edgePayload.getType(), txId);
+ 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 String addVertex(String version, String type, VertexPayload payload) throws CrudException;
public abstract String updateVertex(String version, String id, String type, VertexPayload payload) throws CrudException;
public abstract String patchVertex(String version, String id, String type, VertexPayload payload) throws CrudException;
public abstract String deleteEdge(String version, String id, String type) throws CrudException;
public abstract String updateEdge(String version, String id, String type, EdgePayload payload) throws CrudException;
public abstract String patchEdge(String version, String id, String type, EdgePayload payload) throws CrudException;
- public abstract String addBulk(String version, BulkPayload payload) throws CrudException;
+
+ protected abstract Vertex addBulkVertex(Vertex vertex, String version, String dbTransId) throws CrudException;
+ protected abstract Vertex updateBulkVertex(Vertex vertex, String id, String version, String dbTransId) throws CrudException;
+ protected abstract void deleteBulkVertex(String id, String version, String type, String dbTransId) throws CrudException;
+
+ protected abstract Edge addBulkEdge(Edge edge, String version, String dbTransId) throws CrudException;
+ protected abstract Edge updateBulkEdge(Edge edge, String version, String dbTransId) throws CrudException;
+ protected abstract void deleteBulkEdge(String id, String version, String type, String dbTransId) throws CrudException;
+
}