private MySqlDistributedLock(string name, bool exactName, Func <string, IDbDistributedLock> internalLockFactory)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
if (exactName)
{
if (name.Length > MaxNameLength)
{
throw new FormatException($"{nameof(name)}: must be at most {MaxNameLength} characters");
}
if (name.Length == 0)
{
throw new FormatException($"{nameof(name)}: must not be empty");
}
if (name.ToLowerInvariant() != name)
{
throw new FormatException($"{nameof(name)}: must not container uppercase letters");
}
this.Name = name;
}
else
{
this.Name = GetSafeName(name);
}
this._internalLock = internalLockFactory(this.Name);
}
private SqlDistributedSemaphore(string name, int maxCount, Func <string, IDbDistributedLock> createInternalLockFromName)
{
if (maxCount < 1)
{
throw new ArgumentOutOfRangeException(nameof(maxCount), maxCount, "must be positive");
}
this.Name = name ?? throw new ArgumentNullException(nameof(name));
this._strategy = new SqlSemaphore(maxCount);
this._internalLock = createInternalLockFromName(SqlSemaphore.ToSafeName(name));
}
public OptimisticConnectionMultiplexingDbDistributedLock(
string name,
string connectionString,
MultiplexedConnectionLockPool multiplexedConnectionLockPool,
TimeoutValue keepaliveCadence)
{
this._name = name;
this._connectionString = connectionString;
this._multiplexedConnectionLockPool = multiplexedConnectionLockPool;
this._keepaliveCadence = keepaliveCadence;
this._fallbackLock = new DedicatedConnectionOrTransactionDbDistributedLock(
name,
() => this._multiplexedConnectionLockPool.ConnectionFactory(this._connectionString),
useTransaction: false,
keepaliveCadence: keepaliveCadence
);
}
private SqlDistributedReaderWriterLock(string name, bool exactName, Func <string, IDbDistributedLock> internalLockFactory)
{
if (exactName)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
if (name.Length > MaxNameLength)
{
throw new FormatException($"{nameof(name)}: must be at most {MaxNameLength} characters");
}
this.Name = name;
}
else
{
this.Name = GetSafeName(name);
}
this._internalLock = internalLockFactory(this.Name);
}
private OracleDistributedReaderWriterLock(string name, bool exactName, Func <string, IDbDistributedLock> internalLockFactory)
{
this.Name = OracleDistributedLock.GetName(name, exactName);
this._internalLock = internalLockFactory(this.Name);
}
private PostgresDistributedLock(PostgresAdvisoryLockKey key, IDbDistributedLock internalLock)
{
this.Key = key;
this._internalLock = internalLock;
}
