/// <summary>
/// Build <see cref="IRelationalLockManager"/> instance.
/// Especially, <see cref="RelationalLockManager"/> is created.
/// </summary>
/// <param name="configurator">configurator with relationships</param>
/// <returns><see cref="IRelationalLockManager"/> instance</returns>
public IRelationalLockManager Build(RelationalLockConfigurator configurator)
{
if (configurator == null)
{
throw new ArgumentNullException(nameof(configurator));
}
if (configurator.RelationCount < 1)
{
throw new ArgumentException("not registered key relations.", nameof(configurator));
}
return(new RelationalLockManager(configurator));
}
internal RelationalLockManager(RelationalLockConfigurator configurator)
{
var infos = configurator.GetInfos();
var semaphoreMap = infos
.SelectMany(info => info.LockKeys)
.Distinct()
.ToDictionary(lockKey => lockKey, lockKey => new NamedSemaphore(lockKey));
lockMap = infos.ToImmutableDictionary(
info => info.Key,
info => new LockContainer(info.Key, info.LockKeys.Select(key => semaphoreMap[key])));
AvailableKeys = lockMap.Keys.OrderBy(_ => _).ToImmutableArray();
defaultTimeout = configurator.DefaultTimeout;
defaultExpireIn = configurator.DefaultExpireIn;
}
