public GroupPipe(
GroupStreamable <TOuterKey, TSource, TInnerKey> stream,
IStreamObserver <TInnerKey, TSource> observer)
: base(stream, observer)
{
this.keySelector = stream.KeySelector;
this.keySelectorFunc = this.keySelector.Compile();
this.keyComparer = stream.Properties.KeyEqualityComparer.GetGetHashCodeExpr();
this.innerHashCode = this.keyComparer.Compile();
this.errorMessages = stream.ErrorMessages;
this.l1Pool = MemoryManager.GetMemoryPool <TInnerKey, TSource>(stream.Properties.IsColumnar);
}
public ShuffleStreamable(
IStreamable <TOuterKey, TSource> source,
Expression <Func <TSource, TInnerKey> > keySelector, int totalBranchesL2,
int shuffleId)
: base(source.Properties.Group(keySelector))
{
Contract.Requires(source != null);
Contract.Requires(keySelector != null);
Contract.Requires(totalBranchesL2 > 0);
Source = source;
KeySelector = keySelector;
this.totalBranchesL2 = totalBranchesL2;
this.shuffleId = shuffleId;
powerOf2 = ((totalBranchesL2 & (totalBranchesL2 - 1)) == 0);
if (totalBranchesL2 <= 1)
{
singleThreadedShuffler = new GroupStreamable <TOuterKey, TSource, TInnerKey>(source, keySelector);
this.properties = singleThreadedShuffler.Properties;
}
}