Beispiel #1
0
 internal NondeterministicQueryStream(InMemoryTableWithHistory outer, int startRevision, FilterExpression filterExpr)
 {
     this.outer         = outer;
     this.startRevision = startRevision;
     this.filterExpr    = filterExpr;
     continuationKey    = ChainTableUtils.FirstValidPrimaryKey;
 }
Beispiel #2
0
        async void Initialize()
        {
            configService = new InMemoryConfigurationService <MTableConfiguration>(
                MasterMigratingTable.INITIAL_CONFIGURATION);
            oldTable       = new InMemoryTableWithHistory();
            newTable       = new InMemoryTableWithHistory();
            referenceTable = new InMemoryTableWithHistory();

            //CreateMonitor(typeof(RunningServiceMachinesMonitor));

            await InitializeTestCaseAsync();

            InitializeAppMachine(CreateMachine(typeof(MigratorMachine)));

            Send(Id, new TablesMachineInitializedEvent());
        }
Beispiel #3
0
        async void Initialize()
        {
            // TODO: Figure out how to verify the transition from
            // "old table only" to "in migration" to "new table only".
            // (I don't think this is the biggest risk, but I'm still
            // interested in verifying it.)
            // I assume once we do that, the possibility of insertions while
            // we're in "old table only" will model the ability to start
            // from a nonempty table.

            configService = new InMemoryConfigurationService <MTableConfiguration>(
                MasterMigratingTable.INITIAL_CONFIGURATION);
            oldTable       = new InMemoryTable();
            newTable       = new InMemoryTable();
            referenceTable = new InMemoryTableWithHistory();

#if false
            // Second partition from the example in:
            // https://microsoft.sharepoint.com/teams/toolsforeng/Shared%20Documents/ContentRepository/LiveMigration/Migration_slides.pptx
            MTableEntity eMeta = new MTableEntity {
                PartitionKey   = MigrationModel.SINGLE_PARTITION_KEY,
                RowKey         = MigratingTable.ROW_KEY_PARTITION_META,
                partitionState = MTablePartitionState.SWITCHED,
            };
            MTableEntity e0       = TestUtils.CreateTestMTableEntity("0", "orange");
            MTableEntity e1old    = TestUtils.CreateTestMTableEntity("1", "red");
            MTableEntity e2new    = TestUtils.CreateTestMTableEntity("2", "green");
            MTableEntity e3old    = TestUtils.CreateTestMTableEntity("3", "blue");
            MTableEntity e3new    = TestUtils.CreateTestMTableEntity("3", "azure");
            MTableEntity e4old    = TestUtils.CreateTestMTableEntity("4", "yellow");
            MTableEntity e4new    = TestUtils.CreateTestMTableEntity("4", null, true);
            var          oldBatch = new TableBatchOperation();
            oldBatch.InsertOrReplace(eMeta);
            oldBatch.InsertOrReplace(e0);
            oldBatch.InsertOrReplace(e1old);
            oldBatch.InsertOrReplace(e3old);
            oldBatch.InsertOrReplace(e4old);
            IList <TableResult> oldTableResult = await oldTable.ExecuteBatchAsync(oldBatch);
            await ExecuteExportedMirrorBatchAsync(oldBatch, oldTableResult);

            var newBatch = new TableBatchOperation();
            newBatch.InsertOrReplace(e0);
            newBatch.InsertOrReplace(e2new);
            newBatch.InsertOrReplace(e3new);
            newBatch.InsertOrReplace(e4new);
            IList <TableResult> newTableResult = await newTable.ExecuteBatchAsync(newBatch);

            // Allow rows to overwrite rather than composing the virtual ETags manually.
            // InsertOrReplace doesn't use the ETag, so we don't care that the ETag was mutated by the original batch.
            await ExecuteExportedMirrorBatchAsync(newBatch, newTableResult);
#endif

            // Start with the old table now.
            var batch = new TableBatchOperation();
            batch.InsertOrReplace(TestUtils.CreateTestEntity("0", "orange"));
            batch.InsertOrReplace(TestUtils.CreateTestEntity("1", "red"));
            batch.InsertOrReplace(TestUtils.CreateTestEntity("3", "blue"));
            batch.InsertOrReplace(TestUtils.CreateTestEntity("4", "yellow"));
            IList <TableResult> oldTableResult = await oldTable.ExecuteBatchAsync(batch);

            // InsertOrReplace doesn't use the ETag, so we don't care that the ETag was mutated by the original batch.
            await referenceTable.ExecuteMirrorBatchAsync(batch, oldTableResult);

            //CreateMonitor(typeof(RunningServiceMachinesMonitor));

            for (int i = 0; i < MigrationModel.NUM_SERVICE_MACHINES; i++)
            {
                InitializeAppMachine(CreateMachine(typeof(ServiceMachine)));
            }

            InitializeAppMachine(CreateMachine(typeof(MigratorMachine)));

            Send(Id, new TablesMachineInitializedEvent());
        }