public Transaction(
ILogStore logStore,
VersionDb versionDb,
long txId = -1,
Queue <long> garbageQueueTxId = null,
Queue <long> garbageQueueFinishTime = null)
{
this.logStore = logStore;
this.versionDb = versionDb;
this.readSet = new Dictionary <string, Dictionary <object, ReadSetEntry> >();
this.writeSet = new Dictionary <string, Dictionary <object, object> >();
this.abortSet = new Dictionary <string, Dictionary <object, List <PostProcessingEntry> > >();
this.commitSet = new Dictionary <string, Dictionary <object, List <PostProcessingEntry> > >();
this.largestVersionKeyMap = new Dictionary <string, Dictionary <object, long> >();
this.validationVersions = new List <Tuple <string, object, VersionEntry> >();
this.txId = txId < 0 ? this.versionDb.InsertNewTx() : txId;
this.txStatus = TxStatus.Ongoing;
this.commitTs = TxTableEntry.DEFAULT_COMMIT_TIME;
this.maxCommitTsOfWrites = -1L;
this.beginTimestamp = Transaction.DEFAULT_TX_BEGIN_TIMESTAMP;
this.garbageQueueTxId = garbageQueueTxId;
this.garbageQueueFinishTime = garbageQueueFinishTime;
}
public VersionTable(VersionDb versionDb, string tableId, int partitionCount = 4)
{
// private properties
this.VersionDb = versionDb;
this.tableId = tableId;
this.PartitionCount = partitionCount;
// the table visitors
this.tableVisitors = new VersionTableVisitor[partitionCount];
}
public CassandraVersionTable(VersionDb versionDb, string tableId, int partitionCount = 4)
: base(versionDb, tableId)
{
this.PartitionCount = partitionCount;
for (int pid = 0; pid < this.PartitionCount; pid++)
{
this.tableVisitors[pid] = new CassandraVersionTableVisitor();
}
}
public SingletonPartitionedVersionTable(VersionDb versionDb, string tableId, int partitionCount)
: base(versionDb, tableId, partitionCount)
{
this.PartitionCount = partitionCount;
this.dicts = new Dictionary <object, Dictionary <long, VersionEntry> > [partitionCount];
for (int pid = 0; pid < partitionCount; pid++)
{
this.dicts[pid] = new Dictionary <object, Dictionary <long, VersionEntry> >(SingletonPartitionedVersionTable.RECORD_CAPACITY);
this.tableVisitors[pid] = new SingletonPartitionedVersionTableVisitor(this.dicts[pid]);
}
}
public SingletonDictionaryVersionTable(VersionDb versionDb, string tableId,
int partitionCount, List <TxResourceManager> txResourceManagers)
: base(versionDb, tableId, partitionCount)
{
int maxConcurrency = Math.Max(1, this.VersionDb.PartitionCount / 2);
// this.dict = new ConcurrentDictionary<object, ConcurrentDictionary<long, VersionEntry>>(
// maxConcurrency, 1200500/*VersionDb.RECORD_CAPACITY*/);
this.dict = new Dictionary <object, ConcurrentDictionary <long, VersionEntry> >(1200000);
for (int i = 0; i < partitionCount; i++)
{
this.tableVisitors[i] = new SingletonVersionTableVisitor(this.dict);
}
}
public PartitionedCassandraVersionTable(VersionDb versionDb, string tableId, int partitionCount = 4)
: base(versionDb, tableId, 1) // fake partitionCount to avoid memory overflow
{
this.PartitionCount = partitionCount;
//this.partitionedQueues = new RequestQueue<VersionEntryRequest>[partitionCount];
this.rawPartitionedQueues = new Queue <VersionEntryRequest> [partitionCount];
//this.ccPartitionedQueues = new ConcurrentQueue<VersionEntryRequest>[partitionCount];
//this.latches = new int[partitionCount];
this.ccTasksCnt = new ConcurrentQueue <int>();
this.tableVisitors = new VersionTableVisitor[partitionCount];
for (int pid = 0; pid < this.PartitionCount; pid++)
{
//this.partitionedQueues[pid] = new RequestQueue<VersionEntryRequest>(partitionCount);
this.rawPartitionedQueues[pid] = new Queue <VersionEntryRequest>(partitionCount);
//this.rawPartitionedQueues[pid] = new Queue<VersionEntryRequest>();
//this.ccPartitionedQueues[pid] = new ConcurrentQueue<VersionEntryRequest>();
//this.latches[pid] = 0;
this.tableVisitors[pid] = new PartitionedCassandraVersionTableVisitor(pid);
}
}
public RedisVersionTable(VersionDb versionDb, string tableId, long redisDbIndex)
: base(versionDb, tableId, versionDb.PartitionCount)
{
this.redisDbIndex = redisDbIndex;
this.responseVisitor = new RedisResponseVisitor();
this.redisVersionDb = ((RedisVersionDb)this.VersionDb);
this.RedisManager = redisVersionDb.RedisManager;
this.LuaManager = redisVersionDb.RedisLuaManager;
this.singletonConnPool = redisVersionDb.SingletonConnPool;
this.redisVersionDbMode = redisVersionDb.Mode;
this.requestQueues = new Queue <VersionEntryRequest> [this.PartitionCount];
this.flushQueues = new Queue <VersionEntryRequest> [this.PartitionCount];
this.queueLatches = new int[this.PartitionCount];
RedisConnectionPool clientPool = null;
for (int pid = 0; pid < this.PartitionCount; pid++)
{
if (this.redisVersionDbMode == RedisVersionDbMode.Cluster)
{
clientPool = this.singletonConnPool;
}
else
{
clientPool = this.RedisManager.GetClientPool(
this.redisDbIndex, RedisVersionDb.GetRedisInstanceIndex(pid));
}
this.tableVisitors[pid] = new RedisVersionTableVisitor(
clientPool, this.LuaManager, this.responseVisitor, this.redisVersionDbMode);
this.requestQueues[pid] = new Queue <VersionEntryRequest>(VersionDb.REQUEST_QUEUE_CAPACITY);
this.flushQueues[pid] = new Queue <VersionEntryRequest>(VersionDb.REQUEST_QUEUE_CAPACITY);
this.queueLatches[pid] = 0;
}
}
public SingletonTreeMapVersionTable(VersionDb versionDb, string tableId)
: base(versionDb, tableId)
{
}