internal static ListShardMap <TKey> AsListShardMap <TKey>(this ShardMap shardMap, bool throwOnFailure)
{
Debug.Assert(shardMap != null);
ListShardMap <TKey> lsm = null;
if (shardMap.MapType == ShardMapType.List)
{
lsm = shardMap as ListShardMap <TKey>;
}
if (lsm == null && throwOnFailure)
{
throw ShardMapExtensions.GetConversionException <TKey>(shardMap.StoreShardMap, "List");
}
return(lsm);
}
internal static RangeShardMap <TKey> AsRangeShardMap <TKey>(this ShardMap shardMap, bool throwOnFailure)
{
Debug.Assert(shardMap != null);
RangeShardMap <TKey> rsm = null;
if (shardMap.MapType == ShardMapType.Range)
{
rsm = shardMap as RangeShardMap <TKey>;
}
if (rsm == null && throwOnFailure)
{
throw ShardMapExtensions.GetConversionException <TKey>(shardMap.StoreShardMap, "Range");
}
return(rsm);
}