private void ReOpenDb()
{
Db = new TFChunkDb(new TFChunkDbConfig(PathName,
new VersionedPatternFileNamingStrategy(PathName, "chunk-"),
10000,
0,
WriterCheckpoint,
ChaserCheckpoint,
new InMemoryCheckpoint(-1),
new InMemoryCheckpoint(-1)));
Db.Open();
TableIndex = new TableIndex(Path.Combine(PathName, "index"),
() => new HashListMemTable(MaxEntriesInMemTable * 2),
MaxEntriesInMemTable);
ReadIndex = new ReadIndex(new NoopPublisher(),
2,
5,
() => new TFChunkReader(Db, Db.Config.WriterCheckpoint),
TableIndex,
new ByLengthHasher(),
new NoLRUCache <string, StreamCacheInfo>(),
additionalCommitChecks: true,
metastreamMaxCount: MetastreamMaxCount);
ReadIndex.Init(WriterCheckpoint.Read(), ChaserCheckpoint.Read());
}
public void should_be_able_to_read_all_backwards()
{
var checkpoint = WriterCheckpoint.Read();
var pos = new TFPos(checkpoint, checkpoint);
var result = ReadIndex.ReadAllEventsBackward(pos, 10);
Assert.AreEqual(3, result.Records.Count);
}
public void should_be_able_to_read_all_backwards_and_get_events_before_replication_checkpoint()
{
var checkpoint = WriterCheckpoint.Read();
var pos = new TFPos(checkpoint, checkpoint);
var result = ReadIndex.ReadAllEventsBackward(pos, 10);
Assert.AreEqual(2, result.Records.Count);
}
public override void TestFixtureSetUp()
{
base.TestFixtureSetUp();
ReadIndex.Close();
ReadIndex.Dispose();
TableIndex.Close(removeFiles: false);
TableIndex = new TableIndex(GetFilePathFor("index"),
() => new HashListMemTable(maxSize: MaxEntriesInMemTable * 2),
maxSizeForMemory: MaxEntriesInMemTable);
ReadIndex = new ReadIndex(new NoopPublisher(),
2,
2,
() => new TFChunkReader(Db, WriterCheckpoint, 0),
TableIndex,
new ByLengthHasher(),
new NoLRUCache <string, StreamCacheInfo>(),
additionalCommitChecks: true,
metastreamMaxCount: 1);
ReadIndex.Init(WriterCheckpoint.Read(), ChaserCheckpoint.Read());
}
public void checksums_should_be_equal_to_ack_checksum()
{
Assert.AreEqual(TruncateCheckpoint, WriterCheckpoint.Read());
Assert.AreEqual(TruncateCheckpoint, ChaserCheckpoint.Read());
}
public void checksums_should_be_equal_to_beginning_of_intersected_scavenged_chunk()
{
Assert.AreEqual(chunkEdge.TransactionPosition, WriterCheckpoint.Read());
Assert.AreEqual(chunkEdge.TransactionPosition, ChaserCheckpoint.Read());
}
