public static MemoryPool <TKey, TPayload> GetMemoryPool <TKey, TPayload>(bool isColumnar = true)
{
if (Config.ForceRowBasedExecution)
{
isColumnar = false;
}
var typeOfTKey = typeof(TKey);
var typeOfTPayload = typeof(TPayload);
var cacheKey = CacheKey.Create(typeof(TKey), typeof(TPayload), isColumnar);
if (!isColumnar ||
(!typeOfTKey.KeyTypeNeedsGeneratedMemoryPool() &&
typeOfTPayload.MemoryPoolHasGetMethodFor()))
{
return((MemoryPool <TKey, TPayload>)memoryPools.GetOrAdd(cacheKey, key => new MemoryPool <TKey, TPayload>(isColumnar)));
}
if (!typeOfTPayload.CanRepresentAsColumnar())
{
return((MemoryPool <TKey, TPayload>)memoryPools.GetOrAdd(cacheKey, new MemoryPool <TKey, TPayload>(false)));
}
var lookupKey = CacheKey.Create(typeOfTKey, typeOfTPayload);
Type generatedMemoryPool = cachedMemoryPools.GetOrAdd(lookupKey, key => Transformer.GenerateMemoryPoolClass <TKey, TPayload>());
return((MemoryPool <TKey, TPayload>)memoryPools.GetOrAdd(cacheKey, t => Activator.CreateInstance(generatedMemoryPool)));
}
