src/main/java/org/openecomp/crud/service/CrudGraphDataService.java

   1 /**
   2  * ============LICENSE_START=======================================================
   3  * Gizmo
   4  * ================================================================================
   5  * Copyright © 2017 AT&T Intellectual Property.
   6  * Copyright © 2017 Amdocs
   7  * All rights reserved.
   8  * ================================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *    http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  * ============LICENSE_END=========================================================
  21  *
  22  * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  23  */
  24 package org.openecomp.crud.service;
  25
  26 import java.util.ArrayList;
  27 import java.util.HashMap;
  28 import java.util.List;
  29 import java.util.Map;
  30
  31 import javax.ws.rs.core.Response.Status;
  32
  33 import org.onap.aaiutils.oxm.OxmModelLoader;
  34 import org.openecomp.aai.champcore.ChampGraph;
  35 import org.openecomp.crud.dao.GraphDao;
  36 import org.openecomp.crud.dao.champ.ChampDao;
  37 import org.openecomp.crud.entity.Edge;
  38
  39 import org.openecomp.crud.entity.Vertex;
  40 import org.openecomp.crud.exception.CrudException;
  41 import org.openecomp.crud.parser.CrudResponseBuilder;
  42 import org.openecomp.schema.OxmModelValidator;
  43 import org.openecomp.schema.RelationshipSchemaLoader;
  44 import org.openecomp.schema.RelationshipSchemaValidator;
  45
  46 import com.google.gson.JsonElement;
  47
  48 public class CrudGraphDataService {
  49
  50   private GraphDao dao;
  51
  52   public CrudGraphDataService(ChampGraph graphImpl) throws CrudException {
  53           this.dao = new ChampDao(graphImpl);
  54
  55           loadModels();
  56         }
  57
  58
  59         public CrudGraphDataService(GraphDao dao) throws CrudException {
  60         this.dao = dao;
  61
  62                 loadModels();
  63         }
  64
  65         private void loadModels() throws CrudException {
  66                 //load the schemas
  67                 try {
  68       OxmModelLoader.loadModels();
  69     } catch (Exception e) {
  70       throw new CrudException(e);
  71     }
  72                 RelationshipSchemaLoader.loadModels();
  73         }
  74
  75   public String addVertex(String version, String type, VertexPayload payload) throws CrudException {
  76     Vertex vertex = OxmModelValidator.validateIncomingUpsertPayload(null, version, type,
  77         payload.getProperties());
  78     return addVertex(version, vertex);
  79   }
  80
  81         public String addBulk(String version, BulkPayload payload) throws CrudException {
  82                 HashMap<String, Vertex> vertices = new HashMap<String, Vertex>();
  83                 HashMap<String, Edge> edges = new HashMap<String, Edge>();
  84                 String txId = dao.openTransaction();
  85                 try {
  86                         // Handle vertices
  87                         for (JsonElement v : payload.getObjects()) {
  88                                 List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>(v.getAsJsonObject().entrySet());
  89
  90                                 if (entries.size() != 2) {
  91                                         throw new CrudException("", Status.BAD_REQUEST);
  92                                 }
  93                                 Map.Entry<String, JsonElement> opr = entries.get(0);
  94                                 Map.Entry<String, JsonElement> item = entries.get(1);
  95
  96                                 VertexPayload vertexPayload = VertexPayload.fromJson(item.getValue().getAsJsonObject().toString());
  97
  98                                 if (opr.getValue().getAsString().equalsIgnoreCase("add") || opr.getValue().getAsString().equalsIgnoreCase("modify")) {
  99                                         Vertex validatedVertex;
 100                                         Vertex persistedVertex;
 101                                         if (opr.getValue().getAsString().equalsIgnoreCase("add")) {
 102                                                 validatedVertex = OxmModelValidator.validateIncomingUpsertPayload(null, version, vertexPayload.getType(),
 103                                                                 vertexPayload.getProperties());
 104                                                 // Call champDAO to add the vertex
 105                                                 persistedVertex = dao.addVertex(validatedVertex.getType(), validatedVertex.getProperties(), txId);
 106                                         } else {
 107                                                 validatedVertex = OxmModelValidator.validateIncomingUpsertPayload(vertexPayload.getId(), version, vertexPayload.getType(),
 108                                                                 vertexPayload.getProperties());
 109                                                 // Call champDAO to update the vertex
 110                                                 persistedVertex = dao.updateVertex(vertexPayload.getId(), validatedVertex.getType(), validatedVertex.getProperties(), txId);
 111                                         }
 112
 113                                         Vertex outgoingVertex = OxmModelValidator.validateOutgoingPayload(version, persistedVertex);
 114
 115                                         vertices.put(item.getKey(), outgoingVertex);
 116
 117                                 } else if (opr.getValue().getAsString().equalsIgnoreCase("delete")) {
 118                                         dao.deleteVertex(vertexPayload.getId(), OxmModelValidator.resolveCollectionType(version, vertexPayload.getType()), txId);
 119                                 }
 120
 121                         }
 122                         // Handle Edges
 123                         for (JsonElement v : payload.getRelationships()) {
 124                                 List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>(v.getAsJsonObject().entrySet());
 125
 126                                 if (entries.size() != 2) {
 127                                         throw new CrudException("", Status.BAD_REQUEST);
 128                                 }
 129                                 Map.Entry<String, JsonElement> opr = entries.get(0);
 130                                 Map.Entry<String, JsonElement> item = entries.get(1);
 131
 132                                 EdgePayload edgePayload = EdgePayload.fromJson(item.getValue().getAsJsonObject().toString());
 133
 134                                 if (opr.getValue().getAsString().equalsIgnoreCase("add") || opr.getValue().getAsString().equalsIgnoreCase("modify")) {
 135                                         Edge validatedEdge;
 136                                         Edge persistedEdge;
 137                                         if (opr.getValue().getAsString().equalsIgnoreCase("add")) {
 138                                                 // Fix the source/detination
 139                                                 if (edgePayload.getSource().startsWith("$")) {
 140                                                         Vertex source = vertices.get(edgePayload.getSource().substring(1));
 141                                                         if (source == null) {
 142                                                                 throw new CrudException("Not able to find vertex: " + edgePayload.getSource().substring(1), Status.INTERNAL_SERVER_ERROR);
 143                                                         }
 144                                                         edgePayload.setSource("services/inventory/" + version + "/" + source.getType() + "/" + source.getId().get());
 145                                                 }
 146                                                 if (edgePayload.getTarget().startsWith("$")) {
 147                                                         Vertex target = vertices.get(edgePayload.getTarget().substring(1));
 148                                                         if (target == null) {
 149                                                                 throw new CrudException("Not able to find vertex: " + edgePayload.getTarget().substring(1), Status.INTERNAL_SERVER_ERROR);
 150                                                         }
 151                                                         edgePayload.setTarget("services/inventory/" + version + "/" + target.getType() + "/" + target.getId().get());
 152                                                 }
 153                                                 validatedEdge = RelationshipSchemaValidator.validateIncomingAddPayload(version, edgePayload.getType(), edgePayload);
 154                                                 persistedEdge = dao.addEdge(validatedEdge.getType(), validatedEdge.getSource(), validatedEdge.getTarget(),
 155                                                                 validatedEdge.getProperties(), txId);
 156                                         } else {
 157                                                 Edge edge = dao.getEdge(edgePayload.getId(), edgePayload.getType(), txId);
 158                                                 validatedEdge = RelationshipSchemaValidator.validateIncomingUpdatePayload(edge, version, edgePayload);
 159                                                 persistedEdge = dao.updateEdge(edge, txId);
 160                                         }
 161
 162                                         Edge outgoingEdge = RelationshipSchemaValidator.validateOutgoingPayload(version, persistedEdge);
 163
 164                                         edges.put(item.getKey(), outgoingEdge);
 165
 166                                 } else if (opr.getValue().getAsString().equalsIgnoreCase("delete")) {
 167                                         RelationshipSchemaValidator.validateType(version, edgePayload.getType());
 168                                         dao.deleteEdge(edgePayload.getId(), edgePayload.getType(), txId);
 169                                 }
 170
 171                         }
 172                         // close champ TX
 173                         dao.commitTransaction(txId);
 174                 } catch (CrudException ex) {
 175                         dao.rollbackTransaction(txId);
 176                         throw ex;
 177                 } catch (Exception ex) {
 178                         dao.rollbackTransaction(txId);
 179                         throw ex;
 180                 } finally {
 181                         if (dao.transactionExists(txId)) {
 182                                 dao.rollbackTransaction(txId);
 183                         }
 184                 }
 185
 186
 187                 return CrudResponseBuilder.buildUpsertBulkResponse(vertices, edges, version, payload);
 188         }
 189
 190   private String addVertex(String version, Vertex vertex) throws CrudException {
 191     Vertex addedVertex = dao.addVertex(vertex.getType(), vertex.getProperties());
 192     return CrudResponseBuilder
 193         .buildUpsertVertexResponse(OxmModelValidator.validateOutgoingPayload(version, addedVertex),
 194             version);
 195   }
 196
 197   public String addEdge(String version, String type, EdgePayload payload) throws CrudException {
 198     Edge edge = RelationshipSchemaValidator.validateIncomingAddPayload(version, type, payload);
 199     return addEdge(version, edge);
 200   }
 201
 202   private String addEdge(String version, Edge edge) throws CrudException {
 203     Edge addedEdge = dao.addEdge(edge.getType(), edge.getSource(), edge.getTarget(),
 204         edge.getProperties());
 205     return CrudResponseBuilder.buildUpsertEdgeResponse(
 206         RelationshipSchemaValidator.validateOutgoingPayload(version, addedEdge), version);
 207   }
 208
 209   public String getEdge(String version, String id, String type) throws CrudException {
 210     RelationshipSchemaValidator.validateType(version, type);
 211     Edge edge = dao.getEdge(id, type);
 212
 213     return CrudResponseBuilder.buildGetEdgeResponse(RelationshipSchemaValidator
 214             .validateOutgoingPayload(version, edge),
 215         version);
 216   }
 217
 218   public String getEdges(String version, String type, Map<String, String> filter)
 219       throws CrudException {
 220     RelationshipSchemaValidator.validateType(version, type);
 221     List<Edge> items = dao.getEdges(type, RelationshipSchemaValidator
 222         .resolveCollectionfilter(version, type, filter));
 223     return CrudResponseBuilder.buildGetEdgesResponse(items, version);
 224   }
 225
 226
 227   public String updateVertex(String version, String id, String type, VertexPayload payload)
 228       throws CrudException {
 229     Vertex vertex = OxmModelValidator.validateIncomingUpsertPayload(id, version, type,
 230         payload.getProperties());
 231     return updateVertex(version, vertex);
 232
 233   }
 234
 235   private String updateVertex(String version, Vertex vertex) throws CrudException {
 236     Vertex updatedVertex = dao.updateVertex(vertex.getId().get(), vertex.getType(),
 237         vertex.getProperties());
 238     return CrudResponseBuilder
 239         .buildUpsertVertexResponse(OxmModelValidator.validateOutgoingPayload(version,
 240             updatedVertex), version);
 241   }
 242
 243   public String patchVertex(String version, String id, String type, VertexPayload payload)
 244       throws CrudException {
 245     Vertex existingVertex = dao.getVertex(id, OxmModelValidator.resolveCollectionType(version,
 246         type));
 247     Vertex vertex = OxmModelValidator.validateIncomingPatchPayload(id, version, type,
 248         payload.getProperties(), existingVertex);
 249     return updateVertex(version, vertex);
 250
 251   }
 252
 253   public String deleteVertex(String version, String id, String type) throws CrudException {
 254     type = OxmModelValidator.resolveCollectionType(version, type);
 255     dao.deleteVertex(id, type);
 256     return "";
 257
 258   }
 259
 260   public String deleteEdge(String version, String id, String type) throws CrudException {
 261     RelationshipSchemaValidator.validateType(version, type);
 262     dao.deleteEdge(id, type);
 263     return "";
 264
 265   }
 266
 267   public String updateEdge(String version, String id, String type, EdgePayload payload)
 268       throws CrudException {
 269     Edge edge = dao.getEdge(id, type);
 270     Edge validatedEdge = RelationshipSchemaValidator.validateIncomingUpdatePayload(edge,
 271         version, payload);
 272     return updateEdge(version, validatedEdge);
 273
 274   }
 275
 276   private String updateEdge(String version, Edge edge) throws CrudException {
 277     Edge updatedEdge = dao.updateEdge(edge);
 278     return CrudResponseBuilder.buildUpsertEdgeResponse(
 279         RelationshipSchemaValidator.validateOutgoingPayload(version, updatedEdge), version);
 280   }
 281
 282   public String patchEdge(String version, String id, String type, EdgePayload payload)
 283       throws CrudException {
 284     Edge edge = dao.getEdge(id, type);
 285     Edge patchedEdge = RelationshipSchemaValidator.validateIncomingPatchPayload(edge,
 286         version, payload);
 287     return updateEdge(version, patchedEdge);
 288
 289   }
 290
 291   public Vertex getVertex(String id) throws CrudException {
 292     return dao.getVertex(id);
 293   }
 294
 295   public String getVertex(String version, String id, String type) throws CrudException {
 296     type = OxmModelValidator.resolveCollectionType(version, type);
 297     Vertex vertex = dao.getVertex(id, type);
 298     List<Edge> edges = dao.getVertexEdges(id);
 299     return CrudResponseBuilder.buildGetVertexResponse(OxmModelValidator
 300             .validateOutgoingPayload(version, vertex), edges, version);
 301   }
 302
 303   public String getVertices(String version, String type, Map<String, String> filter)
 304       throws CrudException {
 305     type = OxmModelValidator.resolveCollectionType(version, type);
 306     List<Vertex> items = dao.getVertices(type, OxmModelValidator.resolveCollectionfilter(version,
 307         type, filter));
 308     return CrudResponseBuilder.buildGetVerticesResponse(items, version);
 309   }
 310
 311
 312
 313 }