diff options
author | Bansal, Nitin (nb121v) <nitin.bansal@amdocs.com> | 2017-11-20 16:02:06 -0500 |
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committer | Bansal, Nitin (nb121v) <nitin.bansal@amdocs.com> | 2017-11-20 16:34:16 -0500 |
commit | 908b4693e5a0a4c2f323dbf518b35e4620f183a1 (patch) | |
tree | cd057c3b4e91f696e116db94d7a3e08c800421a0 /src/main/java/org/openecomp/crud/dao/champ | |
parent | 2dd042556f9142fcd525c0277ea21ac3bd828e4f (diff) |
Refactor to move from openecomp to onap
Refactor to move from openecomp to onap
IssueID: AAI-486
Change-Id: I1d5634739514acf11d5fbdf5e2c7865aaccd864e
Signed-off-by: Bansal, Nitin (nb121v) <nitin.bansal@amdocs.com>
Diffstat (limited to 'src/main/java/org/openecomp/crud/dao/champ')
-rw-r--r-- | src/main/java/org/openecomp/crud/dao/champ/ChampDao.java | 883 |
1 files changed, 0 insertions, 883 deletions
diff --git a/src/main/java/org/openecomp/crud/dao/champ/ChampDao.java b/src/main/java/org/openecomp/crud/dao/champ/ChampDao.java deleted file mode 100644 index 93c3cdd..0000000 --- a/src/main/java/org/openecomp/crud/dao/champ/ChampDao.java +++ /dev/null @@ -1,883 +0,0 @@ -/** - * ============LICENSE_START======================================================= - * Gizmo - * ================================================================================ - * Copyright © 2017 AT&T Intellectual Property. - * Copyright © 2017 Amdocs - * All rights reserved. - * ================================================================================ - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * ============LICENSE_END========================================================= - * - * ECOMP is a trademark and service mark of AT&T Intellectual Property. - */ -package org.openecomp.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.openecomp.aai.champcore.ChampGraph; -import org.openecomp.aai.champcore.ChampTransaction; -import org.openecomp.aai.champcore.exceptions.ChampMarshallingException; -import org.openecomp.aai.champcore.exceptions.ChampObjectNotExistsException; -import org.openecomp.aai.champcore.exceptions.ChampRelationshipNotExistsException; -import org.openecomp.aai.champcore.exceptions.ChampSchemaViolationException; -import org.openecomp.aai.champcore.exceptions.ChampTransactionException; -import org.openecomp.aai.champcore.exceptions.ChampUnmarshallingException; -import org.openecomp.aai.champcore.model.ChampObject; -import org.openecomp.aai.champcore.model.ChampRelationship; -import org.openecomp.aai.champcore.model.fluent.object.ObjectBuildOrPropertiesStep; -import org.openecomp.cl.api.Logger; -import org.openecomp.cl.eelf.LoggerFactory; -import org.openecomp.crud.dao.GraphDao; -import org.openecomp.crud.entity.Edge; -import org.openecomp.crud.entity.Vertex; -import org.openecomp.crud.exception.CrudException; -import org.openecomp.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"; - - public static final String CONFIG_EVENT_STREAM_PUBLISHER = "event.stream.publisher"; - public static final String CONFIG_EVENT_STREAM_NUM_PUBLISHERS = "event.stream.num-publishers"; - - private static Map<String, ChampTransaction> transactions = new ConcurrentHashMap<String, ChampTransaction>(); - public static final String DEFAULT_GRAPH_NAME = "default_graph"; - - private enum GraphType { - IN_MEMORY, TITAN, DSE - } - - /** - * Instance of the API used for interacting with the Champ library. - */ - private ChampGraph champApi = null; - - private Logger logger = LoggerFactory.getInstance().getLogger(ChampDao.class.getName()); - - /** - * Creates a new instance of the ChampDao. - * - * @param champGraph - * - Concrete implementation of the graph dao layer - */ - public ChampDao(ChampGraph champGraph) { - this.champApi = champGraph; - } - - @Override - public Vertex getVertex(String id) throws CrudException { - - try { - - if (logger.isDebugEnabled()) { - logger.debug("getVertex with id: " + id); - } - - long idAsLong = Long.parseLong(id); - - Optional<ChampObject> retrievedVertex = champApi.retrieveObject(idAsLong); - - String nodeType = org.openecomp.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); - } - } - - @Override - public Vertex getVertex(String id, String type) throws CrudException { - - 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.openecomp.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()) != null - && retrievedVertex.get().getProperties() - .get(org.openecomp.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()).toString() - .equalsIgnoreCase(type)) { - - // 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 - // 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); - } - } - - @Override - public List<Edge> getVertexEdges(String id) throws CrudException { - - 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 { - - // 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. - 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.openecomp.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.openecomp.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.openecomp.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); - } - - // ...and return it to the caller. - return vertices; - } - - 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 - } - - return key; - } - - @Override - public Edge getEdge(String id, String type) throws CrudException { - - 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 { - - // 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", - 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); - } - } - - @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())); - - } catch (ChampMarshallingException | ChampObjectNotExistsException | ChampSchemaViolationException - | ChampRelationshipNotExistsException | ChampUnmarshallingException | NumberFormatException - | ChampTransactionException e) { - - throw new CrudException("Error creating edge: " + e.getMessage(), - javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); - } - } - - @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()); - - return edges; - } - - @Override - public Edge updateEdge(Edge edge) throws CrudException { - - if (logger.isDebugEnabled()) { - logger.debug( - "Update edge with id: " + edge.getId() + " with properties: " + propertiesMapToString(edge.getProperties())); - } - - 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); - } - } - - @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()); - - 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); - } - - // Finally, we can attempt to delete our vertex. - champApi.deleteObject(Long.parseLong(id)); - - } catch (NumberFormatException | ChampUnmarshallingException | ChampObjectNotExistsException - | ChampTransactionException e) { - - throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); - } - } - - @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) { - - throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); - } - } - - /** - * 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(") "); - } - - sb.append("}"); - - return sb.toString(); - } - - /** - * 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(); - } - - /** - * 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)); - } - 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)); - } - - // ...and return it. - return vertexBuilder.build(); - } - - /** - * 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.openecomp.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()) == null - ? relationship.getSource().getType() - : relationship.getSource().getProperties() - .get(org.openecomp.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()).toString())); - edgeBuilder.target(vertexFromChampObject(relationship.getTarget(), - relationship.getTarget().getProperties() - .get(org.openecomp.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()) == null - ? relationship.getTarget().getType() - : relationship.getTarget().getProperties() - .get(org.openecomp.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()).toString())); - - for (String key : relationship.getProperties().keySet()) { - edgeBuilder.property(key, relationship.getProperties().get(key).toString()); - } - - 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); - - champApi.shutdown(); - } - } - - @Override - public String openTransaction() { - - ChampTransaction transaction = champApi.openTransaction(); - - 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); - } - return transaction.id(); - } - - @Override - public void commitTransaction(String id) throws CrudException { - - 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); - } - transactions.remove(id); - } - - @Override - public void rollbackTransaction(String id) throws CrudException { - - 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); - } - transactions.remove(id); - } - - private ChampTransaction getTransaction(String id) throws CrudException { - - 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); - } - } - - @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)); - } - - // Add the aai_node_type so that AAI can read the data created by gizmo - properties.put(org.openecomp.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, Optional.of(getTransaction(txId))), 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 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); - } - - 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); - } - - // 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)))); - - } catch (ChampMarshallingException | ChampObjectNotExistsException | ChampSchemaViolationException - | ChampTransactionException | ChampRelationshipNotExistsException | ChampUnmarshallingException e) { - - throw new CrudException("Error creating edge: " + e.getMessage(), - javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); - } - - } - - @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)); - } - // Add the aai_node_type so that AAI can read the data created by gizmo - properties.put(org.openecomp.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); - } - } - - @Override - public boolean transactionExists(String id) throws CrudException { - return transactions.containsKey(id); - } - - @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); - } - - // 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); - } - - } - - @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())); - } - - 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); - } - } - - @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) { - - throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); - } - - } - - @Override - public Edge getEdge(String id, String type, String txId) throws CrudException { - 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), - Optional.of(getTransaction(txId))); - - // Did we find it? - if (relationship.isPresent() && relationship.get().getType().equals(type)) { - - // Yup - return the result. - return edgeFromChampRelationship(relationship.get()); - - } else { - - // 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", - 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); - } - } - -} |