/// <summary>
/// Closes the cache session
/// </summary>
public override Possible <string, Failure> Close()
{
if (m_session != null)
{
return(m_session.CloseAsync(LoggingContext.ActivityId).GetAwaiter().GetResult());
}
return(new Possible <string, Failure>("Success, no session to close."));
}
internal static async Task <Possible <CacheCoreCacheInitializer> > TryInitializeCacheInternalAsync(
LoggingContext loggingContext,
PathTable pathTable,
string cacheDirectory,
ICacheConfiguration config,
bool enableFingerprintLookup,
RootTranslator rootTranslator)
{
Contract.Requires(pathTable != null);
Contract.Requires(pathTable.IsValid);
Contract.Requires(config != null);
Contract.Requires(config.CacheLogFilePath.IsValid);
Contract.Requires(config.CacheConfigFile.IsValid);
Contract.Requires(!string.IsNullOrWhiteSpace(cacheDirectory));
bool succeeded = false;
ICacheCoreCache cache = null;
ICacheCoreSession session = null;
try
{
Possible <ICacheConfigData> cacheConfigData = TryGetCacheConfigData(pathTable, cacheDirectory, config, rootTranslator);
if (!cacheConfigData.Succeeded)
{
return(cacheConfigData.Failure);
}
Possible <ICacheCoreCache> maybeCache = await CacheFactory.InitializeCacheAsync(cacheConfigData.Result, loggingContext.ActivityId, config);
if (!maybeCache.Succeeded)
{
return(maybeCache.Failure);
}
// We are now responsible for shutting this down (even if something later fails).
cache = maybeCache.Result;
cache.SuscribeForCacheStateDegredationFailures(
failure => { Tracing.Logger.Log.CacheReportedRecoverableError(loggingContext, failure.DescribeIncludingInnerFailures()); });
// Log the cache ID we got.
Tracing.Logger.Log.CacheInitialized(loggingContext, cache.CacheId);
Possible <ICacheCoreSession> maybeSession =
string.IsNullOrWhiteSpace(config.CacheSessionName)
? await cache.CreateSessionAsync()
: await cache.CreateSessionAsync(config.CacheSessionName);
if (!maybeSession.Succeeded)
{
return(maybeSession.Failure);
}
session = maybeSession.Result;
succeeded = true;
return(new CacheCoreCacheInitializer(
loggingContext,
cache,
session,
new List <IDisposable>(),
enableFingerprintLookup: enableFingerprintLookup,
rootTranslator: rootTranslator,
replaceExistingFileOnMaterialization: config.ReplaceExistingFileOnMaterialization));
}
finally
{
if (!succeeded)
{
// Note that we clean up in reverse order that we initialized things.
if (session != null)
{
Analysis.IgnoreResult(await session.CloseAsync(), justification: "Okay to ignore close");
Analysis.IgnoreResult(await cache.ShutdownAsync(), justification: "Okay to ignore shutdown");
}
}
}
}
