public SqlServerStore(string connectionStringOrConnectionStringName)
{
var fromConfig = ConfigurationManager.ConnectionStrings[connectionStringOrConnectionStringName];
if (fromConfig != null)
{
_connectionString = fromConfig.ConnectionString;
}
else
{
_connectionString = connectionStringOrConnectionStringName;
}
Exception outConn;
if (!ConnectionHelper.TestConnection(_connectionString, out outConn))
{
throw new ArgumentNullException("connection", outConn);
}
_pageIdProvider = new CachedPageIdProvider(new SqlPageIdProvider(_connectionString));
_requestsWriter = new RequestsWriter(_connectionString, _pageIdProvider);
_requestsReader = new RequestsReader(_connectionString);
_allPagesStore = new AllPagesStore(_connectionString, _pageIdProvider);
_distributionStore = new DistributionStore(_connectionString, _pageIdProvider, _requestsReader);
_trendStore = new TrendStore(_connectionString, _pageIdProvider, _requestsReader);
_scheduler = new Scheduler(_allPagesStore, _distributionStore, _trendStore, this);
}
/// <remarks>
/// * Validation is done by running the loop in parallel using 'Parallel.For(..'.
/// * Keys are generated in clustered distribution using 'Guid(a,b,c,d,e,f,g,h,j,k)' by changing the 'c'.
/// The sample size is run twice, first time in order to populate and second time to compare with the
/// results of the first run.
/// </remarks>
public static DistributionStore<int> ShouldGetPartitionsForKeys(this IPartitionConnectionProvider provider, short sampleSize)
{
var partitionDistribution = new DistributionStore<int>();
var partitionMap = new ConcurrentDictionary<Guid, int>();
// should populate (most likely as there is only slight chance of clashing with keys from other specs) & return
Parallel.For(0, sampleSize, i =>
{
var key = new Guid(22, 43, (short) i, 1, 2, 3, 4, 5, 6, 7, 8);
var partition = provider.GetConnection(key).Connection.ExtractPartitionFromConnection();
partitionMap[key] = partition;
partitionDistribution.Add(partition);
});
// should return already existing
Parallel.For(0, sampleSize, i =>
{
var key = new Guid(22, 43, (short) i, 1, 2, 3, 4, 5, 6, 7, 8);
var partition = provider.GetConnection(key).Connection.ExtractPartitionFromConnection();
partitionMap.ShouldContainKeyValue(key, partition);
});
return partitionDistribution;
}
