public TransitioningGlobalCacheStore(RedisContentLocationStoreConfiguration configuration, IGlobalCacheStore redisStore, IGlobalCacheStore distributedStore)
{
Contract.Requires(configuration.AllContentMetadataStoreModeFlags.HasAnyFlag(ContentMetadataStoreModeFlags.Redis) &&
configuration.AllContentMetadataStoreModeFlags.HasAnyFlag(ContentMetadataStoreModeFlags.Distributed),
"Transitioning store should not used for cases where one store or the other is used exclusively");
_configuration = configuration;
_redisStore = redisStore;
_distributedStore = distributedStore;
if (BlobMode.HasAllFlags(ContentMetadataStoreModeFlags.PreferRedis) || BlobMode.MaskFlags(ContentMetadataStoreModeFlags.Distributed) == 0)
{
AreBlobsSupported = _redisStore.AreBlobsSupported;
}
else if (BlobMode.HasAllFlags(ContentMetadataStoreModeFlags.PreferDistributed) || BlobMode.MaskFlags(ContentMetadataStoreModeFlags.Redis) == 0)
{
AreBlobsSupported = _distributedStore.AreBlobsSupported;
}
else
{
AreBlobsSupported = _redisStore.AreBlobsSupported || _distributedStore.AreBlobsSupported;
}
// Mask used to only include valid flags for BlobMode based on blob support in the respective stores
_blobSupportedMask = ContentMetadataStoreModeFlags.All
.Subtract(_redisStore.AreBlobsSupported ? 0 : ContentMetadataStoreModeFlags.Redis | ContentMetadataStoreModeFlags.PreferRedis)
.Subtract(_distributedStore.AreBlobsSupported ? 0 : ContentMetadataStoreModeFlags.Distributed | ContentMetadataStoreModeFlags.PreferDistributed);
}
/// <nodoc />
public MetadataStoreMemoizationDatabase(IGlobalCacheStore store)
{
_store = store;
LinkLifetime(store);
}
