process Update_Edge effect
| 295 | |
| 296 | // process Update_Edge effect |
| 297 | static void ApplyUpdateEdge |
| 298 | ( |
| 299 | FILE *stream, // effects stream |
| 300 | GraphContext *gc // graph to operate on |
| 301 | ) { |
| 302 | //-------------------------------------------------------------------------- |
| 303 | // effect format: |
| 304 | // edge ID |
| 305 | // attribute ID |
| 306 | // attribute value |
| 307 | //-------------------------------------------------------------------------- |
| 308 | |
| 309 | SIValue v; // updated value |
| 310 | uint props_set; // number of attributes updated |
| 311 | uint props_removed; // number of attributes removed |
| 312 | Attribute_ID attr_id; // entity ID |
| 313 | |
| 314 | NodeID s_id = INVALID_ENTITY_ID; // edge src node ID |
| 315 | NodeID t_id = INVALID_ENTITY_ID; // edge dest node ID |
| 316 | RelationID r_id = GRAPH_UNKNOWN_RELATION; // edge rel-type |
| 317 | |
| 318 | EntityID id = INVALID_ENTITY_ID; |
| 319 | |
| 320 | //-------------------------------------------------------------------------- |
| 321 | // read edge ID |
| 322 | //-------------------------------------------------------------------------- |
| 323 | |
| 324 | fread_assert(&id, sizeof(EntityID), stream); |
| 325 | ASSERT(id != INVALID_ENTITY_ID); |
| 326 | |
| 327 | //-------------------------------------------------------------------------- |
| 328 | // read relation ID |
| 329 | //-------------------------------------------------------------------------- |
| 330 | |
| 331 | fread_assert(&r_id, sizeof(RelationID), stream); |
| 332 | ASSERT(r_id >= 0); |
| 333 | |
| 334 | //-------------------------------------------------------------------------- |
| 335 | // read src ID |
| 336 | //-------------------------------------------------------------------------- |
| 337 | |
| 338 | fread_assert(&s_id, sizeof(NodeID), stream); |
| 339 | ASSERT(s_id != INVALID_ENTITY_ID); |
| 340 | |
| 341 | //-------------------------------------------------------------------------- |
| 342 | // read dest ID |
| 343 | //-------------------------------------------------------------------------- |
| 344 | |
| 345 | fread_assert(&t_id, sizeof(NodeID), stream); |
| 346 | ASSERT(t_id != INVALID_ENTITY_ID); |
| 347 | |
| 348 | //-------------------------------------------------------------------------- |
| 349 | // read attribute ID |
| 350 | //-------------------------------------------------------------------------- |
| 351 | |
| 352 | fread_assert(&attr_id, sizeof(Attribute_ID), stream); |
| 353 | |
| 354 | //-------------------------------------------------------------------------- |
no test coverage detected