/// <summary>
/// Default Cotr.
/// </summary>
/// <param name="config">Cache config</param>
/// <param name="logger">Logger</param>
/// <param name="connectionGenerator">Accepts ConnectionType (first argument) and
/// ConnectionString (second argument) as input and returns an instance of DB connection (Must NOT be Opened).
/// <para>Both ConnectionType and ConnectionString are exactly what mentioned in DbProfile Config.</para></param>
public AsyncCacheMgr(IAsyncCacheConfig config, ILog logger,
Func <string, string, DbConnection> connectionGenerator)
{
config.ThrowIfNull($"{nameof(AsyncCacheMgr)}.{nameof(config)}");
logger.ThrowIfNull($"{nameof(AsyncCacheMgr)}.{nameof(logger)}");
connectionGenerator.ThrowIfNull($"{nameof(AsyncCacheMgr)}.{nameof(connectionGenerator)}");
config.Validate();
_maxConcurrency = StaticCalls.AdjustMaxConcurrency(config.MaxConcurrency);
var connectionBlocker = new BlockingCollection <string>(_maxConcurrency);
for (var i = 0; i < _maxConcurrency; i++)
{
connectionBlocker.Add("DB" + i);
}
_cacheProfiles = config.CacheProfiles.Validate();
_initInputBuilder = new InitInputBuilder
{
DatabaseProfiles = config.DbProfiles.Validate(),
ReloadProfiles = config.ReloadProfiles.Validate(),
SerializationProfiles = config.SerializationProfiles.Validate(),
LocalCacheFolder = config.CacheLocalFolder.ToDirectoryInfo(),
ConnectionBlocker = connectionBlocker,
ConnectionGenerator = connectionGenerator,
Logger = logger,
Token = _cts.Token
};
_cacheCollection = new ConcurrentQueue <IAsyncCache>();
_cacheDictionary = new ConcurrentDictionary <Type, object>();
}
/// <summary>
/// Basic config validation.
/// </summary>
/// <param name="config">instance value to validate.</param>
public static void Validate(this IAsyncCacheConfig config)
{
try
{
config.ThrowIfNull(nameof(IAsyncCacheConfig));
config.CacheLocalFolder.ThrowIfNullOrWhiteSpace($"{nameof(IAsyncCacheConfig)}" +
$".{nameof(config.CacheLocalFolder)}");
config.MaxConcurrency.ThrowIfNegative($"{nameof(IAsyncCacheConfig)}.{nameof(config.MaxConcurrency)}");
config.CacheProfiles.ThrowIfNullOrEmpty($"{nameof(IAsyncCacheConfig)}.{nameof(config.CacheProfiles)}");
config.ReloadProfiles.ThrowIfNullOrEmpty($"{nameof(IAsyncCacheConfig)}.{nameof(config.ReloadProfiles)}");
config.DbProfiles.ThrowIfNullOrEmpty($"{nameof(IAsyncCacheConfig)}.{nameof(config.DbProfiles)}");
config.SerializationProfiles.ThrowIfNullOrEmpty($"{nameof(IAsyncCacheConfig)}" +
$".{nameof(config.SerializationProfiles)}");
}
catch (Exception e)
{
throw new AsyncCacheException(AsyncCacheErrorCode.InvalidConfig, "Some config is invalid", e);
}
}
