internal static IDbDistributedLock CreateInternalLock(PostgresAdvisoryLockKey key, string connectionString, Action <PostgresConnectionOptionsBuilder>?options)
{
if (connectionString == null)
{
throw new ArgumentNullException(nameof(connectionString));
}
var(keepaliveCadence, useMultiplexing) = PostgresConnectionOptionsBuilder.GetOptions(options);
if (useMultiplexing)
{
return(new OptimisticConnectionMultiplexingDbDistributedLock(key.ToString(), connectionString, PostgresMultiplexedConnectionLockPool.Instance, keepaliveCadence));
}
return(new DedicatedConnectionOrTransactionDbDistributedLock(key.ToString(), () => new PostgresDatabaseConnection(connectionString), useTransaction: false, keepaliveCadence));
}
internal static (TimeoutValue keepaliveCadence, bool useMultiplexing) GetOptions(Action <PostgresConnectionOptionsBuilder>?optionsBuilder)
{
PostgresConnectionOptionsBuilder?options;
if (optionsBuilder != null)
{
options = new PostgresConnectionOptionsBuilder();
optionsBuilder(options);
}
else
{
options = null;
}
var keepaliveCadence = options?._keepaliveCadence ?? Timeout.InfiniteTimeSpan;
var useMultiplexing = options?._useMultiplexing ?? true;
return(keepaliveCadence, useMultiplexing);
}