Ejemplos de Org.Neo4j.Kernel.impl.store NodeStore.DeleteIdGenerator en C# (CSharp)

Ejemplo n.º 1

//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldCompletelyRebuildIdGeneratorsAfterCrash()
        public virtual void ShouldCompletelyRebuildIdGeneratorsAfterCrash()
        {
            // GIVEN
            DatabaseLayout databaseLayout = _directory.databaseLayout();
            StoreFactory   storeFactory   = new StoreFactory(databaseLayout, Config.defaults(), new DefaultIdGeneratorFactory(_fileSystemRule.get()), _pageCacheRule.getPageCache(_fileSystemRule.get()), _fileSystemRule.get(), NullLogProvider.Instance, EmptyVersionContextSupplier.EMPTY);
            long           highId;

            using (NeoStores stores = storeFactory.OpenAllNeoStores(true))
            {
                // a node store with a "high" node
                NodeStore nodeStore = stores.NodeStore;
                nodeStore.HighId = 20;
                nodeStore.UpdateRecord(Node(nodeStore.NextId()));
                highId = nodeStore.HighId;
            }

            // populating its .id file with a bunch of ids
            File nodeIdFile = databaseLayout.IdNodeStore();

            using (IdGeneratorImpl idGenerator = new IdGeneratorImpl(_fileSystemRule.get(), nodeIdFile, 10, 10_000, false, IdType.NODE, () => highId))
            {
                for (long id = 0; id < 15; id++)
                {
                    idGenerator.FreeId(id);
                }

                // WHEN
                using (NeoStores stores = storeFactory.OpenAllNeoStores(true))
                {
                    NodeStore nodeStore = stores.NodeStore;
                    assertFalse(nodeStore.StoreOk);

                    // simulating what recovery does
                    nodeStore.DeleteIdGenerator();
                    // recovery happens here...
                    nodeStore.MakeStoreOk();

                    // THEN
                    assertEquals(highId, nodeStore.NextId());
                }
            }
        }