Ejemplo n.º 1
0
 @Override
 public NeoStoreXaConnection getXaConnection() {
   return new NeoStoreXaConnection(neoStore, xaContainer.getResourceManager(), getBranchId());
 }
Ejemplo n.º 2
0
  @Override
  public void start() throws IOException {
    life = new LifeSupport();

    readOnly = config.get(Configuration.read_only);

    storeDir = config.get(Configuration.store_dir);
    File store = config.get(Configuration.neo_store);
    storeFactory.ensureStoreExists();

    final TransactionFactory tf;
    if (providers.shouldInterceptCommitting()) {
      tf = new InterceptingTransactionFactory();
    } else {
      tf = new TransactionFactory();
    }
    neoStore = storeFactory.newNeoStore(store);

    neoStoreTransactionContextSupplier = new NeoStoreTransactionContextSupplier(neoStore);

    schemaCache = new SchemaCache(Collections.<SchemaRule>emptyList());

    final NodeManager nodeManager = dependencyResolver.resolveDependency(NodeManager.class);
    Iterator<? extends Cache<?>> caches = nodeManager.caches().iterator();
    persistenceCache =
        new PersistenceCache(
            (AutoLoadingCache<NodeImpl>) caches.next(),
            (AutoLoadingCache<RelationshipImpl>) caches.next(),
            new Thunk<GraphPropertiesImpl>() {
              @Override
              public GraphPropertiesImpl evaluate() {
                return nodeManager.getGraphProperties();
              }
            },
            nodeManager);
    cacheAccess =
        new BridgingCacheAccess(nodeManager, schemaCache, updateableSchemaState, persistenceCache);

    try {
      indexProvider =
          dependencyResolver.resolveDependency(
              SchemaIndexProvider.class, SchemaIndexProvider.HIGHEST_PRIORITIZED_OR_NONE);

      // TODO: Build a real provider map
      DefaultSchemaIndexProviderMap providerMap = new DefaultSchemaIndexProviderMap(indexProvider);

      indexingService =
          life.add(
              new IndexingService(
                  scheduler,
                  providerMap,
                  new NeoStoreIndexStoreView(locks, neoStore),
                  tokenNameLookup,
                  updateableSchemaState,
                  logging));

      integrityValidator = new IntegrityValidator(neoStore, indexingService);

      xaContainer =
          xaFactory.newXaContainer(
              this,
              config.get(Configuration.logical_log),
              new CommandFactory(neoStore, indexingService),
              new NeoStoreInjectedTransactionValidator(integrityValidator),
              tf,
              stateFactory,
              providers,
              readOnly);

      labelScanStore =
          life.add(
              dependencyResolver
                  .resolveDependency(
                      LabelScanStoreProvider.class, LabelScanStoreProvider.HIGHEST_PRIORITIZED)
                  .getLabelScanStore());

      fileListing = new NeoStoreFileListing(xaContainer, storeDir, labelScanStore, indexingService);

      kernel =
          life.add(
              new Kernel(
                  txManager,
                  propertyKeyTokens,
                  labelTokens,
                  relationshipTypeTokens,
                  persistenceManager,
                  lockManager,
                  updateableSchemaState,
                  schemaWriteGuard,
                  indexingService,
                  nodeManager,
                  neoStore,
                  persistenceCache,
                  schemaCache,
                  providerMap,
                  labelScanStore,
                  readOnly));

      life.init();

      // TODO: Why isn't this done in the init() method of the indexing service?
      if (!readOnly) {
        neoStore.setRecoveredStatus(true);
        try {
          indexingService.initIndexes(loadIndexRules());
          xaContainer.openLogicalLog();
        } finally {
          neoStore.setRecoveredStatus(false);
        }
      }
      if (!xaContainer.getResourceManager().hasRecoveredTransactions()) {
        neoStore.makeStoreOk();
      } else {
        msgLog.debug("Waiting for TM to take care of recovered " + "transactions.");
      }
      idGenerators = new ArrayMap<>((byte) 5, false, false);
      this.idGenerators.put(Node.class, neoStore.getNodeStore());
      this.idGenerators.put(Relationship.class, neoStore.getRelationshipStore());
      this.idGenerators.put(RelationshipType.class, neoStore.getRelationshipTypeStore());
      this.idGenerators.put(Label.class, neoStore.getLabelTokenStore());
      this.idGenerators.put(PropertyStore.class, neoStore.getPropertyStore());
      this.idGenerators.put(
          PropertyKeyTokenRecord.class, neoStore.getPropertyStore().getPropertyKeyTokenStore());
      setLogicalLogAtCreationTime(xaContainer.getLogicalLog());

      life.start();
    } catch (Throwable e) { // Something unexpected happened during startup
      try { // Close the neostore, so that locks are released properly
        neoStore.close();
      } catch (Exception closeException) {
        msgLog.logMessage("Couldn't close neostore after startup failure");
      }
      throw Exceptions.launderedException(e);
    }
  }