*/
package org.onap.crud.dao.champ;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-import org.onap.aai.champcore.ChampGraph;
-import org.onap.aai.champcore.ChampTransaction;
-import org.onap.aai.champcore.exceptions.ChampMarshallingException;
-import org.onap.aai.champcore.exceptions.ChampObjectNotExistsException;
-import org.onap.aai.champcore.exceptions.ChampRelationshipNotExistsException;
-import org.onap.aai.champcore.exceptions.ChampSchemaViolationException;
-import org.onap.aai.champcore.exceptions.ChampTransactionException;
-import org.onap.aai.champcore.exceptions.ChampUnmarshallingException;
-import org.onap.aai.champcore.model.ChampObject;
-import org.onap.aai.champcore.model.ChampRelationship;
-import org.onap.aai.champcore.model.fluent.object.ObjectBuildOrPropertiesStep;
+import net.dongliu.gson.GsonJava8TypeAdapterFactory;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.reflect.TypeToken;
+
+import org.apache.http.NameValuePair;
+import org.apache.http.client.utils.URLEncodedUtils;
+import org.apache.http.message.BasicNameValuePair;
+import org.eclipse.jetty.util.security.Password;
+import org.onap.aai.logging.LoggingContext;
import org.onap.aai.cl.api.Logger;
import org.onap.aai.cl.eelf.LoggerFactory;
import org.onap.crud.dao.GraphDao;
import org.onap.crud.entity.Edge;
import org.onap.crud.entity.Vertex;
import org.onap.crud.exception.CrudException;
-import org.onap.crud.logging.CrudServiceMsgs;
-
-/**
- * This is the integration layer between the CRUD API service and the low level
- * Champ library for graph database interaction.
- */
-public class ChampDao implements GraphDao {
-
- public static final String CONFIG_STORAGE_BACKEND = "storage.backend";
- public static final String CONFIG_STORAGE_BACKEND_DB = "storage.backend.db";
- public static final String STORAGE_HBASE_DB = "hbase";
- public static final String STORAGE_CASSANDRA_DB = "cassandra";
- public static final String CONFIG_STORAGE_HOSTNAMES = "storage.hostnames";
- public static final String CONFIG_STORAGE_PORT = "storage.port";
- public static final String CONFIG_HBASE_ZNODE_PARENT = "storage.hbase.ext.zookeeper.znode.parent";
- public static final String CONFIG_GRAPH_NAME = "graph.name";
- public static final String GRAPH_UNQ_INSTANCE_ID_SUFFIX = "graph.unique-instance-id-suffix";
+import org.onap.crud.util.CrudServiceConstants;
+import org.openecomp.restclient.client.OperationResult;
+import org.openecomp.restclient.client.RestClient;
+import org.openecomp.restclient.enums.RestAuthenticationMode;
+import org.slf4j.MDC;
- public static final String CONFIG_EVENT_STREAM_PUBLISHER = "event.stream.publisher";
- public static final String CONFIG_EVENT_STREAM_NUM_PUBLISHERS = "event.stream.num-publishers";
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
- private static Map<String, ChampTransaction> transactions = new ConcurrentHashMap<String, ChampTransaction>();
- public static final String DEFAULT_GRAPH_NAME = "default_graph";
+public class ChampDao implements GraphDao {
+ private RestClient client;
+ private String baseObjectUrl;
+ private String baseRelationshipUrl;
+ private String baseTransactionUrl;
+
+ private static final String HEADER_FROM_APP = "X-FromAppId";
+ private static final String HEADER_TRANS_ID = "X-TransactionId";
+ private static final String FROM_APP_NAME = "Gizmo";
+ private static final String OBJECT_SUB_URL = "objects";
+ private static final String RELATIONSHIP_SUB_URL = "relationships";
+ private static final String TRANSACTION_SUB_URL = "transaction";
- private enum GraphType {
- IN_MEMORY, TITAN, DSE
- }
+ private Logger logger = LoggerFactory.getInstance().getLogger(ChampDao.class.getName());
- /**
- * Instance of the API used for interacting with the Champ library.
- */
- private ChampGraph champApi = null;
+ // We use a custom vertex serializer for champ because it expects "key"
+ // instead of "id"
+ private static final Gson champGson = new GsonBuilder()
+ .registerTypeAdapterFactory(new GsonJava8TypeAdapterFactory())
+ .registerTypeAdapter(Vertex.class, new ChampVertexSerializer())
+ .registerTypeAdapter(Edge.class, new ChampEdgeSerializer()).create();
- private Logger logger = LoggerFactory.getInstance().getLogger(ChampDao.class.getName());
+ public ChampDao(String champUrl, String certPassword) {
+ try {
+ client = new RestClient().authenticationMode(RestAuthenticationMode.SSL_CERT).validateServerHostname(false)
+ .validateServerCertChain(false).clientCertFile(CrudServiceConstants.CRD_CHAMP_AUTH_FILE)
+ .clientCertPassword(Password.deobfuscate(certPassword));
- /**
- * Creates a new instance of the ChampDao.
- *
- * @param champGraph
- * - Concrete implementation of the graph dao layer
- */
- public ChampDao(ChampGraph champGraph) {
- this.champApi = champGraph;
+ baseObjectUrl = champUrl + OBJECT_SUB_URL;
+ baseRelationshipUrl = champUrl + RELATIONSHIP_SUB_URL;
+ baseTransactionUrl = champUrl + TRANSACTION_SUB_URL;
+ } catch (Exception e) {
+ System.out.println("Error setting up Champ configuration");
+ e.printStackTrace();
+ System.exit(1);
+ }
}
@Override
public Vertex getVertex(String id) throws CrudException {
+ String url = baseObjectUrl + "/" + id;
+ OperationResult getResult = client.get(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
- try {
-
- if (logger.isDebugEnabled()) {
- logger.debug("getVertex with id: " + id);
- }
-
- long idAsLong = Long.parseLong(id);
-
- Optional<ChampObject> retrievedVertex = champApi.retrieveObject(idAsLong);
-
- String nodeType = org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName();
- if (retrievedVertex.isPresent() && retrievedVertex.get().getProperties().get(nodeType) != null) {
- return vertexFromChampObject(retrievedVertex.get(),
- retrievedVertex.get().getProperties().get(nodeType).toString());
- } else {
-
- // We didn't find a vertex with the supplied id, so just throw an
- // exception.
- throw new CrudException("No vertex with id " + id + " found in graph",
- javax.ws.rs.core.Response.Status.NOT_FOUND);
- }
-
- } catch (ChampUnmarshallingException | ChampTransactionException e) {
-
- // Something went wrong - throw an exception.
- throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ if (getResult.getResultCode() == 200) {
+ return Vertex.fromJson(getResult.getResult());
+ } else {
+ // We didn't find a vertex with the supplied id, so just throw an
+ // exception.
+ throw new CrudException("No vertex with id " + id + " found in graph",
+ javax.ws.rs.core.Response.Status.NOT_FOUND);
}
}
@Override
public Vertex getVertex(String id, String type) throws CrudException {
+ String url = baseObjectUrl + "/" + id;
+ OperationResult getResult = client.get(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
- try {
-
- if (logger.isDebugEnabled()) {
- logger.debug("getVertex with id: " + id);
- }
-
- long idAsLong = Long.parseLong(id);
-
- // Request the vertex from the graph db.
- Optional<ChampObject> retrievedVertex = champApi.retrieveObject(idAsLong);
-
- // Did we find it?
- if (retrievedVertex.isPresent()
- && retrievedVertex.get().getProperties()
- .get(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()) != null
- && retrievedVertex.get().getProperties()
- .get(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()).toString()
- .equalsIgnoreCase(type)) {
+ if (getResult.getResultCode() == 200) {
+ Vertex vert = Vertex.fromJson(getResult.getResult());
- // Yup, convert it to a Vector object and return it.
- return vertexFromChampObject(retrievedVertex.get(), type);
-
- } else {
-
- // We didn't find a vertex with the supplied id, so just throw an
+ if (!vert.getType().equalsIgnoreCase(type)) {
+ // We didn't find a vertex with the supplied type, so just throw an
// exception.
- throw new CrudException("No vertex with id " + id + " found in graph",
+ throw new CrudException("No vertex with id " + id + "and type " + type + " found in graph",
javax.ws.rs.core.Response.Status.NOT_FOUND);
}
-
- } catch (ChampUnmarshallingException | ChampTransactionException e) {
-
- // Something went wrong - throw an exception.
- throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ return vert;
+ } else {
+ // We didn't find a vertex with the supplied id, so just throw an
+ // exception.
+ throw new CrudException("No vertex with id " + id + " found in graph",
+ javax.ws.rs.core.Response.Status.NOT_FOUND);
}
}
@Override
public List<Edge> getVertexEdges(String id) throws CrudException {
+ String url = baseObjectUrl + "/relationships/" + id;
- if (logger.isDebugEnabled()) {
- logger.debug("get Edges incident to vertex with id: " + id + " from graph");
- }
-
- try {
- long idAsLong = Long.parseLong(id); // GDF - what to do about id???
-
- // Request the vertex from the graph db.
- Optional<ChampObject> retrievedVertex = champApi.retrieveObject(idAsLong);
-
- // Did we find it?
- if (retrievedVertex.isPresent()) {
-
- // Query the Champ library for the edges which are incident to the
- // specified
- // vertex.
- Stream<ChampRelationship> relationships = champApi.retrieveRelationships(retrievedVertex.get());
-
- // Build an edge list from the result stream.
- List<Edge> edges = new ArrayList<Edge>();
- relationships.forEach(r -> edges.add(edgeFromChampRelationship(r)));
-
- return edges;
-
- } else {
+ OperationResult getResult = client.get(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
- // We couldn't find the specified vertex, so throw an exception.
- throw new CrudException("No vertex with id " + id + " found in graph",
- javax.ws.rs.core.Response.Status.NOT_FOUND);
- }
-
- } catch (ChampUnmarshallingException e) {
-
- // Something went wrong, so throw an exception.
- throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
-
- } catch (ChampObjectNotExistsException e) {
-
- // We couldn't find the specified vertex, so throw an exception.
+ if (getResult.getResultCode() == 200) {
+ return champGson.fromJson(getResult.getResult(), new TypeToken<List<Edge>>() {
+ }.getType());
+ } else {
+ // We didn't find a vertex with the supplied id, so just throw an
+ // exception.
throw new CrudException("No vertex with id " + id + " found in graph",
javax.ws.rs.core.Response.Status.NOT_FOUND);
- } catch (ChampTransactionException e) {
- throw new CrudException("Transaction error occured", javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
- }
- }
-
- @Override
- public Vertex addVertex(String type, Map<String, Object> properties) throws CrudException {
-
- if (logger.isDebugEnabled()) {
- logger.debug("Add/update vertex: {label: " + type + " properties:" + propertiesMapToString(properties));
- }
-
- // Add the aai_node_type so that AAI can read the data created by gizmo
- properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type);
-
- // Create an object to represent our vertex in the format expected by the
- // Champ library.
- ChampObject objectToCreate = buildChampObject(type, properties);
-
- try {
-
- // Ask the Champ library to store our vertex, placing the returned object
- // into a
- // list so that we can easily put that into our result object.
- return vertexFromChampObject(champApi.storeObject(objectToCreate), type);
-
- } catch (ChampMarshallingException | ChampSchemaViolationException | ChampObjectNotExistsException
- | ChampTransactionException e) {
-
- // Something went wrong - throw an exception.
- throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
- }
- }
-
- @Override
- public Vertex updateVertex(String id, String type, Map<String, Object> properties) throws CrudException {
-
- if (logger.isDebugEnabled()) {
- logger.debug("Update vertex with id: " + id + " with properties: " + propertiesMapToString(properties));
- }
- // Add the aai_node_type so that AAI can read the data created by gizmo
- properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type);
-
- try {
- // Now, build the updated version of the Champ Object...
- ChampObject updateObject = buildChampObject(id, type, properties);
- // ...and send it to the Champ library.
- return vertexFromChampObject(champApi.replaceObject(updateObject), type);
-
- } catch (ChampObjectNotExistsException e) {
- throw new CrudException("Not Found", javax.ws.rs.core.Response.Status.NOT_FOUND);
- } catch (NumberFormatException | ChampMarshallingException | ChampSchemaViolationException e) {
- throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
- } catch (ChampTransactionException e) {
- throw new CrudException("Transaction error occured", javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
}
-
}
@Override
public List<Vertex> getVertices(String type, Map<String, Object> filter) throws CrudException {
-
- if (logger.isDebugEnabled()) {
- logger.debug("Retrieve vertices with type label: " + type + " which map query parameters: "
- + propertiesMapToString(filter));
- }
-
filter.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type);
- Stream<ChampObject> retrievedVertices;
- try {
- retrievedVertices = champApi.queryObjects(filter);
-
- } catch (ChampTransactionException e) {
- throw new CrudException("Transaction error occured", javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
- }
-
- List<Vertex> vertices = retrievedVertices.map(v -> vertexFromChampObject(v, type)).collect(Collectors.toList());
-
- if (logger.isDebugEnabled()) {
- logger.debug("Resulting vertex list: " + retrievedVertices);
- }
+ String url = baseObjectUrl + "/filter" + "?"
+ + URLEncodedUtils.format(convertToNameValuePair(filter), Charset.defaultCharset());
- // ...and return it to the caller.
- return vertices;
- }
+ OperationResult getResult = client.get(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
- private Object getRelKey(String id) {
- Object key = id;
- // convert into Long if applicable . TODO : revisit in story NUC-304
- try {
- key = Long.parseLong(id);
- } catch (NumberFormatException e) {
- // The id isn't a Long, leave it as a string
+ if (getResult.getResultCode() == 200) {
+ return champGson.fromJson(getResult.getResult(), new TypeToken<List<Vertex>>() {
+ }.getType());
+ } else {
+ // We didn't find a vertex with the supplied id, so just throw an
+ // exception.
+ throw new CrudException("No vertices found in graph for given filters",
+ javax.ws.rs.core.Response.Status.NOT_FOUND);
}
-
- return key;
}
@Override
public Edge getEdge(String id, String type) throws CrudException {
+ String url = baseRelationshipUrl + "/" + id;
+ OperationResult getResult = client.get(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
- if (logger.isDebugEnabled()) {
- logger.debug("Get edge with id: " + id);
- }
-
- try {
-
- // Request the edge from the graph db.
- Optional<ChampRelationship> relationship = champApi.retrieveRelationship(getRelKey(id));
-
- // Did we find it?
- if (relationship.isPresent() && relationship.get().getType().equals(type)) {
-
- // Yup - return the result.
- return edgeFromChampRelationship(relationship.get());
-
- } else {
+ if (getResult.getResultCode() == 200) {
+ Edge edge = Edge.fromJson(getResult.getResult());
- // We didn't find an edge with the supplied id, so throw an exception.
- throw new CrudException("No edge with id " + id + " found in graph",
+ if (!edge.getType().equalsIgnoreCase(type)) {
+ // We didn't find an edge with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("No edge with id " + id + "and type " + type + " found in graph",
javax.ws.rs.core.Response.Status.NOT_FOUND);
}
-
- } catch (ChampUnmarshallingException | ChampTransactionException e) {
-
- // Something went wrong, so throw an exception.
- throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ return edge;
+ } else {
+ // We didn't find a edge with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("No edge with id " + id + " found in graph", javax.ws.rs.core.Response.Status.NOT_FOUND);
}
}
@Override
- public Edge addEdge(String type, Vertex source, Vertex target, Map<String, Object> properties) throws CrudException {
-
- // For now, assume source and target are straight ids...
- try {
-
- Optional<ChampObject> sourceObject = champApi.retrieveObject(Long.parseLong(source.getId().get()));
- if (!sourceObject.isPresent() || !sourceObject.get().getType().equals(source.getType())) {
- throw new CrudException(
- "Error creating edge - source vertex with id " + source + " does not exist in graph data base",
- javax.ws.rs.core.Response.Status.BAD_REQUEST);
- }
-
- Optional<ChampObject> targetObject = champApi.retrieveObject(Long.parseLong(target.getId().get()));
- if (!targetObject.isPresent() || !targetObject.get().getType().equals(target.getType())) {
- throw new CrudException(
- "Error creating edge - target vertex with id " + target + " does not exist in graph data base",
- javax.ws.rs.core.Response.Status.BAD_REQUEST);
- }
-
- // Now, create the ChampRelationship object for our edge and store it in
- // the graph database.
- return edgeFromChampRelationship(champApi.storeRelationship(
- new ChampRelationship.Builder(sourceObject.get(), targetObject.get(), type).properties(properties).build()));
+ public List<Edge> getEdges(String type, Map<String, Object> filter) throws CrudException {
+ String url = baseRelationshipUrl + "/filter" + "?"
+ + URLEncodedUtils.format(convertToNameValuePair(filter), Charset.defaultCharset());
- } catch (ChampMarshallingException | ChampObjectNotExistsException | ChampSchemaViolationException
- | ChampRelationshipNotExistsException | ChampUnmarshallingException | NumberFormatException
- | ChampTransactionException e) {
+ OperationResult getResult = client.get(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
- throw new CrudException("Error creating edge: " + e.getMessage(),
- javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ if (getResult.getResultCode() == 200) {
+ return champGson.fromJson(getResult.getResult(), new TypeToken<List<Edge>>() {
+ }.getType());
+ } else {
+ // We didn't find a vertex with the supplied id, so just throw an
+ // exception.
+ throw new CrudException("No edges found in graph for given filters", javax.ws.rs.core.Response.Status.NOT_FOUND);
}
}
@Override
- public List<Edge> getEdges(String type, Map<String, Object> filter) throws CrudException {
-
- filter.put(ChampRelationship.ReservedPropertyKeys.CHAMP_RELATIONSHIP_TYPE.toString(), type);
-
- Stream<ChampRelationship> retrievedRelationships;
- try {
- retrievedRelationships = champApi.queryRelationships(filter);
-
- } catch (ChampTransactionException e) {
- throw new CrudException("Transaction error occured", javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
- }
-
- // Process the result stream from the Champ library into an Edge list,
- // keeping only
- // edges of the specified type.
- List<Edge> edges = retrievedRelationships.map(r -> edgeFromChampRelationship(r)).collect(Collectors.toList());
+ public Vertex addVertex(String type, Map<String, Object> properties) throws CrudException {
+ String url = baseObjectUrl;
- return edges;
- }
+ // Add the aai_node_type so that AAI can read the data created by gizmo
+ // TODO: This probably shouldn't be here
+ properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type);
- @Override
- public Edge updateEdge(Edge edge) throws CrudException {
+ Vertex.Builder insertVertexBuilder = new Vertex.Builder(type);
+ properties.forEach(insertVertexBuilder::property);
+ Vertex insertVertex = insertVertexBuilder.build();
- if (logger.isDebugEnabled()) {
- logger.debug(
- "Update edge with id: " + edge.getId() + " with properties: " + propertiesMapToString(edge.getProperties()));
- }
+ OperationResult getResult = client.post(url, insertVertex.toJson(), createHeader(), MediaType.APPLICATION_JSON_TYPE,
+ MediaType.APPLICATION_JSON_TYPE);
- try {
- // Now, build the updated version of the Champ Relationship...
- ChampRelationship updateRelationship = new ChampRelationship.Builder(
- buildChampObject(edge.getSource().getId().get(), edge.getSource().getType(),
- edge.getSource().getProperties()),
- buildChampObject(edge.getTarget().getId().get(), edge.getTarget().getType(),
- edge.getTarget().getProperties()),
- edge.getType()).key(getRelKey(edge.getId().get())).properties(edge.getProperties()).build();
- // ...and send it to the Champ library.
- return edgeFromChampRelationship(champApi.replaceRelationship(updateRelationship));
-
- } catch (ChampRelationshipNotExistsException ex) {
- throw new CrudException("Not Found", javax.ws.rs.core.Response.Status.NOT_FOUND);
- } catch (NumberFormatException | ChampUnmarshallingException | ChampMarshallingException
- | ChampSchemaViolationException | ChampTransactionException ex) {
-
- throw new CrudException(ex.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ if (getResult.getResultCode() == Response.Status.CREATED.getStatusCode()) {
+ return Vertex.fromJson(getResult.getResult());
+ } else {
+ // We didn't create a vertex with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("Failed to create vertex", Response.Status.fromStatusCode(getResult.getResultCode()));
}
}
@Override
- public void deleteVertex(String id, String type) throws CrudException {
-
- try {
-
- // First, retrieve the vertex that we intend to delete.
- Optional<ChampObject> retrievedVertex = champApi.retrieveObject(Long.parseLong(id));
-
- // Did we find it?
- if (!retrievedVertex.isPresent() || !retrievedVertex.get().getType().equals(type)) {
- throw new CrudException("Failed to delete vertex with id: " + id + " - vertex does not exist.",
- javax.ws.rs.core.Response.Status.NOT_FOUND);
- }
-
- // Now, verify that there are no edges incident to the vertex (they must
- // be deleted
- // first if so).
- Stream<ChampRelationship> relationships = champApi.retrieveRelationships(retrievedVertex.get());
+ public Vertex updateVertex(String id, String type, Map<String, Object> properties) throws CrudException {
+ String url = baseObjectUrl + "/" + id;
- if (relationships.count() > 0) {
- throw new CrudException("Attempt to delete vertex with id " + id + " which has incident edges.",
- javax.ws.rs.core.Response.Status.BAD_REQUEST);
- }
+ // Add the aai_node_type so that AAI can read the data created by gizmo
+ // TODO: This probably shouldn't be here
+ properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type);
- // Finally, we can attempt to delete our vertex.
- champApi.deleteObject(Long.parseLong(id));
+ Vertex.Builder insertVertexBuilder = new Vertex.Builder(type);
+ insertVertexBuilder.id(id);
+ properties.forEach(insertVertexBuilder::property);
+ Vertex insertVertex = insertVertexBuilder.build();
- } catch (NumberFormatException | ChampUnmarshallingException | ChampObjectNotExistsException
- | ChampTransactionException e) {
+ String payload = insertVertex.toJson(champGson);
+ OperationResult getResult = client.put(url, payload, createHeader(), MediaType.APPLICATION_JSON_TYPE,
+ MediaType.APPLICATION_JSON_TYPE);
- throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ if (getResult.getResultCode() == Response.Status.OK.getStatusCode()) {
+ return Vertex.fromJson(getResult.getResult());
+ } else {
+ // We didn't create a vertex with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("Failed to update vertex", Response.Status.fromStatusCode(getResult.getResultCode()));
}
}
@Override
- public void deleteEdge(String id, String type) throws CrudException {
-
- try {
-
- // First, retrieve the edge that we want to delete.
- Optional<ChampRelationship> relationshipToDelete = champApi.retrieveRelationship(getRelKey(id));
-
- // Did we find it?
- if (!relationshipToDelete.isPresent() || !relationshipToDelete.get().getType().equals(type)) {
- throw new CrudException("Failed to delete edge with id: " + id + " - edge does not exist",
- javax.ws.rs.core.Response.Status.NOT_FOUND);
- }
-
- // Now we can delete the edge.
- champApi.deleteRelationship(relationshipToDelete.get());
-
- } catch (ChampRelationshipNotExistsException | NumberFormatException | ChampUnmarshallingException
- | ChampTransactionException e) {
+ public void deleteVertex(String id, String type) throws CrudException {
+ String url = baseObjectUrl + "/" + id;
+ OperationResult getResult = client.delete(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
- throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ if (getResult.getResultCode() != Response.Status.OK.getStatusCode()) {
+ // We didn't delete a vertex with the supplied id, so just throw an
+ // exception.
+ throw new CrudException("Failed to delete vertex", Response.Status.fromStatusCode(getResult.getResultCode()));
}
}
- /**
- * This helper method generates a string representation of a properties map
- * for logging purposes.
- *
- * @param properties
- * - The properties map to be converted.
- * @return - The log statement friendly conversion of the properties map.
- */
- private String propertiesMapToString(Map<String, Object> properties) {
-
- StringBuilder sb = new StringBuilder();
- sb.append("{");
-
- for (String key : properties.keySet()) {
- sb.append("(").append(key).append(" -> ").append(properties.get(key)).append(") ");
- }
+ @Override
+ public Edge addEdge(String type, Vertex source, Vertex target, Map<String, Object> properties) throws CrudException {
+ String url = baseRelationshipUrl;
- sb.append("}");
+ // Try requests to ensure source and target exist in Champ
+ Vertex dbSource = getVertex(source.getId().get(), source.getType());
+ Vertex dbTarget = getVertex(target.getId().get(), target.getType());
- return sb.toString();
- }
+ Edge.Builder insertEdgeBuilder = new Edge.Builder(type).source(dbSource).target(dbTarget);
+ properties.forEach(insertEdgeBuilder::property);
+ Edge insertEdge = insertEdgeBuilder.build();
- /**
- * This helper method constructs a {@link ChampObject} suitable for passing to
- * the Champ library.
- *
- * @param type
- * - The type to assign to our ChampObject
- * @param properties
- * - The set of properties to assign to our ChampObject
- * @return - A populated ChampObject
- */
- private ChampObject buildChampObject(String type, Map<String, Object> properties) {
-
- ObjectBuildOrPropertiesStep objectInProgress = ChampObject.create().ofType(type).withoutKey();
-
- for (String key : properties.keySet()) {
- objectInProgress.withProperty(key, properties.get(key));
- }
- return objectInProgress.build();
- }
+ String edgeJson = insertEdge.toJson(champGson);
+ OperationResult getResult = client.post(url, edgeJson, createHeader(), MediaType.APPLICATION_JSON_TYPE,
+ MediaType.APPLICATION_JSON_TYPE);
- /**
- * This helper method constructs a {@link ChampObject} suitable for passing to
- * the Champ library.
- *
- * @param id
- * - Unique identifier for this object.
- * @param type
- * - The type to assign to our ChampObject
- * @param properties
- * - The set of properties to assign to our ChampObject
- * @return - A populated ChampObject
- */
- private ChampObject buildChampObject(String id, String type, Map<String, Object> properties) {
-
- ObjectBuildOrPropertiesStep objectInProgress = ChampObject.create().ofType(type).withKey(Long.parseLong(id));
-
- for (String key : properties.keySet()) {
- objectInProgress.withProperty(key, properties.get(key));
+ if (getResult.getResultCode() == Response.Status.CREATED.getStatusCode()) {
+ return Edge.fromJson(getResult.getResult());
+ } else {
+ // We didn't create an edge with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("Failed to create edge", Response.Status.fromStatusCode(getResult.getResultCode()));
}
- return objectInProgress.build();
}
- private Vertex vertexFromChampObject(ChampObject champObject, String type) {
-
- // Get the identifier for this vertex from the Champ object.
- Object id = champObject.getKey().orElse("");
-
- // Start building our {@link Vertex} object.
- Vertex.Builder vertexBuilder = new Vertex.Builder(type);
- vertexBuilder.id(id.toString());
-
- // Convert the properties associated with the Champ object into the form
- // expected for
- // a Vertex object.
- for (String key : champObject.getProperties().keySet()) {
- vertexBuilder.property(key, champObject.getProperties().get(key));
+ @Override
+ public Edge updateEdge(Edge edge) throws CrudException {
+ if (!edge.getId().isPresent()) {
+ throw new CrudException("Unable to identify edge: " + edge.toString(), Response.Status.BAD_REQUEST);
}
+ String url = baseRelationshipUrl + "/" + edge.getId().get();
- // ...and return it.
- return vertexBuilder.build();
- }
+ String edgeJson = edge.toJson(champGson);
+ OperationResult getResult = client.put(url, edgeJson, createHeader(), MediaType.APPLICATION_JSON_TYPE,
+ MediaType.APPLICATION_JSON_TYPE);
- /**
- * This helper method converts a {@link ChampRelationship} from the Champ
- * library into an equivalent {@link Edge} object that is understood by the
- * CRUD Service.
- *
- * @param relationship
- * - The ChampRelationship object to be converted.
- * @return - An Edge object corresponding to the supplied ChampRelationship
- */
- private Edge edgeFromChampRelationship(ChampRelationship relationship) {
-
- // Populate the edge's id, if available.
- Object relationshipId = relationship.getKey().orElse("");
-
- Edge.Builder edgeBuilder = new Edge.Builder(relationship.getType()).id(relationshipId.toString());
- edgeBuilder.source(vertexFromChampObject(relationship.getSource(),
- relationship.getSource().getProperties()
- .get(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()) == null
- ? relationship.getSource().getType()
- : relationship.getSource().getProperties()
- .get(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()).toString()));
- edgeBuilder.target(vertexFromChampObject(relationship.getTarget(),
- relationship.getTarget().getProperties()
- .get(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()) == null
- ? relationship.getTarget().getType()
- : relationship.getTarget().getProperties()
- .get(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()).toString()));
-
- for (String key : relationship.getProperties().keySet()) {
- edgeBuilder.property(key, relationship.getProperties().get(key).toString());
+ if (getResult.getResultCode() == Response.Status.OK.getStatusCode()) {
+ return Edge.fromJson(getResult.getResult());
+ } else {
+ // We didn't create an edge with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("Failed to update edge", Response.Status.fromStatusCode(getResult.getResultCode()));
}
-
- return edgeBuilder.build();
}
- /**
- * Performs any necessary shut down operations when the DAO is no longer
- * needed.
- */
- public void close() {
-
- if (champApi != null) {
-
- logger.info(CrudServiceMsgs.STOPPING_CHAMP_DAO);
+ @Override
+ public void deleteEdge(String id, String type) throws CrudException {
+ String url = baseRelationshipUrl + "/" + id;
+ OperationResult getResult = client.delete(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
- champApi.shutdown();
+ if (getResult.getResultCode() != 200) {
+ // We didn't find an edge with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("No edge with id " + id + " found in graph", javax.ws.rs.core.Response.Status.NOT_FOUND);
}
}
@Override
public String openTransaction() {
+ String url = baseTransactionUrl;
- ChampTransaction transaction = champApi.openTransaction();
+ OperationResult getResult = client.post(url, "", createHeader(), MediaType.TEXT_PLAIN_TYPE, MediaType.TEXT_PLAIN_TYPE);
- transactions.put(transaction.id(), transaction);
- logger.info(CrudServiceMsgs.TRANSACTION, "Stored transaction " + transaction.id() + " in hashmap");
- logger.info(CrudServiceMsgs.TRANSACTION, "Hash map contents:");
- for (String key : transactions.keySet()) {
- logger.info(CrudServiceMsgs.TRANSACTION, key);
+ if (getResult.getResultCode() == 200) {
+ return getResult.getResult();
+ } else {
+ return null;
}
- return transaction.id();
}
@Override
public void commitTransaction(String id) throws CrudException {
+ String url = baseTransactionUrl + "/" + id;
- try {
- champApi.commitTransaction(getTransaction(id));
- } catch (ChampTransactionException e) {
- throw new CrudException("Error while commiting transaction " + id,
- javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ OperationResult getResult = client.put(url, "{\"method\": \"commit\"}", createHeader(), MediaType.APPLICATION_JSON_TYPE,
+ MediaType.TEXT_PLAIN_TYPE);
+
+ if (getResult.getResultCode() != 200) {
+ throw new CrudException("Unable to commit transaction",
+ Response.Status.fromStatusCode(getResult.getResultCode()));
}
- transactions.remove(id);
}
@Override
public void rollbackTransaction(String id) throws CrudException {
+ String url = baseTransactionUrl + "/" + id;
- try {
- champApi.rollbackTransaction(getTransaction(id));
- } catch (ChampTransactionException e) {
- throw new CrudException("Error while transaction rollback " + id,
- javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ OperationResult getResult = client.put(url, "{\"method\": \"rollback\"}", createHeader(), MediaType.APPLICATION_JSON_TYPE,
+ MediaType.TEXT_PLAIN_TYPE);
+
+ if (getResult.getResultCode() != 200) {
+ throw new CrudException("Unable to rollback transaction",
+ Response.Status.fromStatusCode(getResult.getResultCode()));
}
- transactions.remove(id);
}
- private ChampTransaction getTransaction(String id) throws CrudException {
+ @Override
+ public boolean transactionExists(String id) throws CrudException {
+ String url = baseTransactionUrl + "/" + id;
+ Map<String, List<String>> headers = new HashMap<>();
+ headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo"));
+ headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString())));
- logger.info(CrudServiceMsgs.TRANSACTION, "Looking up transaction " + id);
- if (transactions.containsKey(id)) {
- logger.info(CrudServiceMsgs.TRANSACTION, "Found it!");
- return (transactions.get(id));
- } else {
- logger.info(CrudServiceMsgs.TRANSACTION, "Didn't find transaction id " + id + ". Hash map contains: ");
- for (String key : transactions.keySet()) {
- logger.info(CrudServiceMsgs.TRANSACTION, key);
- }
- throw new CrudException("No open transaction with id: " + id, javax.ws.rs.core.Response.Status.NOT_FOUND);
- }
+ OperationResult getResult = client.get(url, headers, MediaType.APPLICATION_JSON_TYPE);
+
+ return getResult.getResultCode() == 200;
}
@Override
public Vertex addVertex(String type, Map<String, Object> properties, String txId) throws CrudException {
- if (logger.isDebugEnabled()) {
- logger.debug("Add/update vertex: {label: " + type + " properties:" + propertiesMapToString(properties));
- }
+ String url = baseObjectUrl + "?transactionId=" + txId;
// Add the aai_node_type so that AAI can read the data created by gizmo
+ // TODO: This probably shouldn't be here
properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type);
- // Create an object to represent our vertex in the format expected by the
- // Champ library.
- ChampObject objectToCreate = buildChampObject(type, properties);
+ Vertex.Builder insertVertexBuilder = new Vertex.Builder(type);
+ properties.forEach(insertVertexBuilder::property);
+ Vertex insertVertex = insertVertexBuilder.build();
- try {
-
- // Ask the Champ library to store our vertex, placing the returned object
- // into a
- // list so that we can easily put that into our result object.
- return vertexFromChampObject(champApi.storeObject(objectToCreate, Optional.of(getTransaction(txId))), type);
+ OperationResult getResult = client.post(url, insertVertex.toJson(), createHeader(), MediaType.APPLICATION_JSON_TYPE,
+ MediaType.APPLICATION_JSON_TYPE);
- } catch (ChampMarshallingException | ChampSchemaViolationException | ChampObjectNotExistsException
- | ChampTransactionException e) {
-
- // Something went wrong - throw an exception.
- throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ if (getResult.getResultCode() == Response.Status.CREATED.getStatusCode()) {
+ return Vertex.fromJson(getResult.getResult());
+ } else {
+ // We didn't create a vertex with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("Failed to create vertex", Response.Status.fromStatusCode(getResult.getResultCode()));
}
}
@Override
public Edge addEdge(String type, Vertex source, Vertex target, Map<String, Object> properties, String txId)
throws CrudException {
- // For now, assume source and target are straight ids...
- try {
-
- Optional<ChampObject> sourceObject = champApi.retrieveObject(Long.parseLong(source.getId().get()),
- Optional.of(getTransaction(txId)));
- if (!sourceObject.isPresent() || !sourceObject.get().getType().equals(source.getType())) {
- throw new CrudException(
- "Error creating edge - source vertex with id " + source + " does not exist in graph data base",
- javax.ws.rs.core.Response.Status.BAD_REQUEST);
- }
+ String url = baseRelationshipUrl + "?transactionId=" + txId;
- Optional<ChampObject> targetObject = champApi.retrieveObject(Long.parseLong(target.getId().get()),
- Optional.of(getTransaction(txId)));
- if (!targetObject.isPresent() || !targetObject.get().getType().equals(target.getType())) {
- throw new CrudException(
- "Error creating edge - target vertex with id " + target + " does not exist in graph data base",
- javax.ws.rs.core.Response.Status.BAD_REQUEST);
- }
+ // Try requests to ensure source and target exist in Champ
+ Vertex dbSource = getVertex(source.getId().get(), source.getType(), txId);
+ Vertex dbTarget = getVertex(target.getId().get(), target.getType(), txId);
- // Now, create the ChampRelationship object for our edge and store it in
- // the graph database.
- return edgeFromChampRelationship(champApi.storeRelationship(
- new ChampRelationship.Builder(sourceObject.get(), targetObject.get(), type).properties(properties).build(),
- Optional.of(getTransaction(txId))));
+ Edge.Builder insertEdgeBuilder = new Edge.Builder(type).source(dbSource).target(dbTarget);
+ properties.forEach(insertEdgeBuilder::property);
+ Edge insertEdge = insertEdgeBuilder.build();
- } catch (ChampMarshallingException | ChampObjectNotExistsException | ChampSchemaViolationException
- | ChampTransactionException | ChampRelationshipNotExistsException | ChampUnmarshallingException e) {
+ OperationResult getResult = client.post(url, insertEdge.toJson(champGson), createHeader(),
+ MediaType.APPLICATION_JSON_TYPE, MediaType.APPLICATION_JSON_TYPE);
- throw new CrudException("Error creating edge: " + e.getMessage(),
- javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ if (getResult.getResultCode() == Response.Status.CREATED.getStatusCode()) {
+ return Edge.fromJson(getResult.getResult());
+ } else {
+ // We didn't create an edge with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("Failed to create edge", Response.Status.fromStatusCode(getResult.getResultCode()));
}
-
}
@Override
public Vertex updateVertex(String id, String type, Map<String, Object> properties, String txId) throws CrudException {
- if (logger.isDebugEnabled()) {
- logger.debug("Update vertex with id: " + id + " with properties: " + propertiesMapToString(properties));
- }
+ String url = baseObjectUrl + "/" + id + "?transactionId=" + txId;
+
// Add the aai_node_type so that AAI can read the data created by gizmo
+ // TODO: This probably shouldn't be here
properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type);
- try {
- // Now, build the updated version of the Champ Object...
- ChampObject updateObject = buildChampObject(id, type, properties);
- // ...and send it to the Champ library.
- return vertexFromChampObject(champApi.replaceObject(updateObject, Optional.of(getTransaction(txId))), type);
-
- } catch (ChampObjectNotExistsException e) {
- throw new CrudException("Not Found", javax.ws.rs.core.Response.Status.NOT_FOUND);
- } catch (NumberFormatException | ChampMarshallingException | ChampTransactionException
- | ChampSchemaViolationException e) {
- throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
- }
- }
+ Vertex.Builder insertVertexBuilder = new Vertex.Builder(type);
+ insertVertexBuilder.id(id);
+ properties.forEach(insertVertexBuilder::property);
+ Vertex insertVertex = insertVertexBuilder.build();
- @Override
- public boolean transactionExists(String id) throws CrudException {
- return transactions.containsKey(id);
+ String payload = insertVertex.toJson(champGson);
+ OperationResult getResult = client.put(url, payload, createHeader(), MediaType.APPLICATION_JSON_TYPE,
+ MediaType.APPLICATION_JSON_TYPE);
+
+ if (getResult.getResultCode() == Response.Status.OK.getStatusCode()) {
+ return Vertex.fromJson(getResult.getResult());
+ } else {
+ // We didn't create a vertex with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("Failed to update vertex", Response.Status.fromStatusCode(getResult.getResultCode()));
+ }
}
@Override
public void deleteVertex(String id, String type, String txId) throws CrudException {
- try {
-
- // First, retrieve the vertex that we intend to delete.
- Optional<ChampObject> retrievedVertex = champApi.retrieveObject(Long.parseLong(id),
- Optional.of(getTransaction(txId)));
-
- // Did we find it?
- if (!retrievedVertex.isPresent() || !retrievedVertex.get().getType().equals(type)) {
- throw new CrudException("Failed to delete vertex with id: " + id + " - vertex does not exist.",
- javax.ws.rs.core.Response.Status.NOT_FOUND);
- }
-
- // Now, verify that there are no edges incident to the vertex (they must
- // be deleted
- // first if so).
- Stream<ChampRelationship> relationships = champApi.retrieveRelationships(retrievedVertex.get(),
- Optional.of(getTransaction(txId)));
-
- if (relationships.count() > 0) {
- throw new CrudException("Attempt to delete vertex with id " + id + " which has incident edges.",
- javax.ws.rs.core.Response.Status.BAD_REQUEST);
- }
+ String url = baseObjectUrl + "/" + id + "?transactionId=" + txId;
+ OperationResult getResult = client.delete(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
- // Finally, we can attempt to delete our vertex.
- champApi.deleteObject(Long.parseLong(id), Optional.of(getTransaction(txId)));
-
- } catch (NumberFormatException | ChampUnmarshallingException | ChampObjectNotExistsException
- | ChampTransactionException e) {
-
- throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ if (getResult.getResultCode() != Response.Status.OK.getStatusCode()) {
+ // We didn't delete a vertex with the supplied id, so just throw an
+ // exception.
+ throw new CrudException("Failed to delete vertex", Response.Status.fromStatusCode(getResult.getResultCode()));
}
-
}
@Override
public Edge updateEdge(Edge edge, String txId) throws CrudException {
- if (logger.isDebugEnabled()) {
- logger.debug(
- "Update edge with id: " + edge.getId() + " with properties: " + propertiesMapToString(edge.getProperties()));
+ if (!edge.getId().isPresent()) {
+ throw new CrudException("Unable to identify edge: " + edge.toString(), Response.Status.BAD_REQUEST);
}
+ String url = baseRelationshipUrl + "/" + edge.getId().get() + "?transactionId=" + txId;
+ OperationResult getResult = client.put(url, edge.toJson(champGson), createHeader(), MediaType.APPLICATION_JSON_TYPE,
+ MediaType.APPLICATION_JSON_TYPE);
- try {
- // Now, build the updated version of the Champ Relationship...
- ChampRelationship updateRelationship = new ChampRelationship.Builder(
- buildChampObject(edge.getSource().getId().get(), edge.getSource().getType(),
- edge.getSource().getProperties()),
- buildChampObject(edge.getTarget().getId().get(), edge.getTarget().getType(),
- edge.getTarget().getProperties()),
- edge.getType()).key(getRelKey(edge.getId().get())).properties(edge.getProperties()).build();
- // ...and send it to the Champ library.
- return edgeFromChampRelationship(
- champApi.replaceRelationship(updateRelationship, Optional.of(getTransaction(txId))));
-
- } catch (ChampRelationshipNotExistsException ex) {
- throw new CrudException("Not Found", javax.ws.rs.core.Response.Status.NOT_FOUND);
- } catch (NumberFormatException | ChampUnmarshallingException | ChampMarshallingException
- | ChampSchemaViolationException | ChampTransactionException ex) {
-
- throw new CrudException(ex.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ if (getResult.getResultCode() == Response.Status.OK.getStatusCode()) {
+ return Edge.fromJson(getResult.getResult());
+ } else {
+ // We didn't create an edge with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("Failed to update edge: " + getResult.getFailureCause(),
+ Response.Status.fromStatusCode(getResult.getResultCode()));
}
}
@Override
public void deleteEdge(String id, String type, String txId) throws CrudException {
- try {
-
- // First, retrieve the edge that we want to delete.
- Optional<ChampRelationship> relationshipToDelete = champApi.retrieveRelationship(getRelKey(id),
- Optional.of(getTransaction(txId)));
-
- // Did we find it?
- if (!relationshipToDelete.isPresent() || !relationshipToDelete.get().getType().equals(type)) {
- throw new CrudException("Failed to delete edge with id: " + id + " - edge does not exist",
- javax.ws.rs.core.Response.Status.NOT_FOUND);
- }
-
- // Now we can delete the edge.
- champApi.deleteRelationship(relationshipToDelete.get(), Optional.of(getTransaction(txId)));
-
- } catch (ChampRelationshipNotExistsException | NumberFormatException | ChampUnmarshallingException
- | ChampTransactionException e) {
+ String url = baseRelationshipUrl + "/" + id + "?transactionId=" + txId;
+ OperationResult getResult = client.delete(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
- throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ if (getResult.getResultCode() != 200) {
+ // We didn't find an edge with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("No edge with id " + id + " found in graph", javax.ws.rs.core.Response.Status.NOT_FOUND);
}
-
}
@Override
public Edge getEdge(String id, String type, String txId) throws CrudException {
- if (logger.isDebugEnabled()) {
- logger.debug("Get edge with id: " + id);
- }
-
- try {
+ String url = baseRelationshipUrl + "/" + id + "?transactionId=" + txId;
+ OperationResult getResult = client.get(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
- // Request the edge from the graph db.
- Optional<ChampRelationship> relationship = champApi.retrieveRelationship(getRelKey(id),
- Optional.of(getTransaction(txId)));
+ if (getResult.getResultCode() == 200) {
+ Edge edge = Edge.fromJson(getResult.getResult());
- // Did we find it?
- if (relationship.isPresent() && relationship.get().getType().equals(type)) {
+ if (!edge.getType().equalsIgnoreCase(type)) {
+ // We didn't find an edge with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("No edge with id " + id + "and type " + type + " found in graph",
+ javax.ws.rs.core.Response.Status.NOT_FOUND);
+ }
+ return edge;
+ } else {
+ // We didn't find an edge with the supplied id, so just throw an
+ // exception.
+ throw new CrudException("No edge with id " + id + " found in graph", javax.ws.rs.core.Response.Status.NOT_FOUND);
+ }
+ }
- // Yup - return the result.
- return edgeFromChampRelationship(relationship.get());
+ public Vertex getVertex(String id, String type, String txId) throws CrudException {
+ String url = baseObjectUrl + "/" + id + "?transactionId=" + txId;
+ OperationResult getResult = client.get(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
- } else {
+ if (getResult.getResultCode() == 200) {
+ Vertex vert = Vertex.fromJson(getResult.getResult());
- // We didn't find an edge with the supplied id, so throw an exception.
- throw new CrudException("No edge with id " + id + " found in graph",
+ if (!vert.getType().equalsIgnoreCase(type)) {
+ // We didn't find a vertex with the supplied type, so just throw an
+ // exception.
+ throw new CrudException("No vertex with id " + id + "and type " + type + " found in graph",
javax.ws.rs.core.Response.Status.NOT_FOUND);
}
-
- } catch (ChampUnmarshallingException | ChampTransactionException e) {
-
- // Something went wrong, so throw an exception.
- throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ return vert;
+ } else {
+ // We didn't find a vertex with the supplied id, so just throw an
+ // exception.
+ throw new CrudException("No vertex with id " + id + " found in graph",
+ javax.ws.rs.core.Response.Status.NOT_FOUND);
}
}
+ // https://stackoverflow.com/questions/26942330/convert-mapstring-string-to-listnamevaluepair-is-this-the-most-efficient
+ private List<NameValuePair> convertToNameValuePair(Map<String, Object> pairs) {
+ List<NameValuePair> nvpList = new ArrayList<>(pairs.size());
+
+ pairs.forEach((key, value) -> nvpList.add(new BasicNameValuePair(key, value.toString())));
+
+ return nvpList;
+ }
+
+ private Map<String, List<String>> createHeader() {
+ Map<String, List<String>> headers = new HashMap<>();
+ headers.put(HEADER_FROM_APP, Arrays.asList(FROM_APP_NAME));
+ headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString())));
+ return headers;
+ }
}
Code Review / aai / gizmo.git / blobdiff