/// <summary>
/// On init.
/// </summary>
protected internal override void OnInit(Container container, IQueryable query, string key)
{
_connectionString = LinqToSql.GetConnectionString(query) ?? EntityFramework.GetConnectionString(query);
if (_connectionString == null)
{
throw LinqCacheException.ContextIsNotSupported;
}
try
{
System.Data.SqlClient.SqlDependency.Start(_connectionString);
}
catch (InvalidOperationException exception)
{
if (exception.Message == BrokerNotEnabledMessage)
{
throw LinqCacheException.BrokerIsNotEnabled(exception);
}
throw;
}
}
