/// <summary>
/// Initializes a new instance of the <see cref="LoadBalancedConnection"/> class.
/// </summary>
/// <param name="databaseId">The database identifier.</param>
/// <param name="connectionId">The connection identifier.</param>
/// <param name="connectionStrings">The connection strings.</param>
/// <exception cref="System.ArgumentNullException">connectionStrings</exception>
internal LoadBalancedConnection(
[NotNull] string databaseId,
[NotNull] string connectionId,
[NotNull] IEnumerable <KeyValuePair <string, double> > connectionStrings)
// ReSharper disable once AssignNullToNotNullAttribute
: this(connectionStrings
.Where(kvp => !string.IsNullOrWhiteSpace(kvp.Key))
// ReSharper disable AssignNullToNotNullAttribute
.Select(kvp => new Connection(databaseId, connectionId, kvp.Key, kvp.Value)))
// ReSharper restore AssignNullToNotNullAttribute
{
if (databaseId == null)
{
throw new ArgumentNullException(nameof(databaseId));
}
if (connectionId == null)
{
throw new ArgumentNullException(nameof(connectionId));
}
if (connectionStrings == null)
{
throw new ArgumentNullException(nameof(connectionStrings));
}
DatabaseId = databaseId;
DatabaseSemaphore = ConcurrencyController.GetDatabaseSemaphore(databaseId);
ConnectionSemaphore = ConcurrencyController.GetLoadBalancedConnectionSemaphore(databaseId, connectionId);
}
/// <summary>
/// Initializes a new instance of the <see cref="Connection"/> class.
/// </summary>
/// <param name="databseId">The databse identifier.</param>
/// <param name="lbConnectionId">The lb connection identifier.</param>
/// <param name="connectionString">The connection string.</param>
/// <param name="weight">The weight.</param>
/// <exception cref="System.ArgumentNullException">
/// </exception>
internal Connection(
[NotNull] string databseId,
[NotNull] string lbConnectionId,
[NotNull] string connectionString,
double weight)
: this(connectionString, weight)
{
if (databseId == null)
{
throw new ArgumentNullException(nameof(databseId));
}
if (lbConnectionId == null)
{
throw new ArgumentNullException(nameof(lbConnectionId));
}
Semaphore = ConcurrencyController.GetConnectionSemaphore(databseId, lbConnectionId, this);
}