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());
}