protected override void Dispose(bool disposing)
{
_firstSource.Dispose();
_secondSource.Dispose();
}
//---------------------------------------------------------------------------------------
// Dispose of resources associated with the underlying enumerator.
//
protected override void Dispose(bool disposing)
{
Debug.Assert(_source != null);
_source.Dispose();
}
protected override void Dispose(bool disposing)
{
_source.Dispose();
}
//---------------------------------------------------------------------------------------
// Walks the two data sources, left and then right, to produce the union.
//
internal override bool MoveNext([MaybeNullWhen(false), AllowNull] ref TInputOutput currentElement, ref int currentKey)
{
if (_hashLookup == null)
{
_hashLookup = new Set <TInputOutput>(_comparer);
_outputLoopCount = new Shared <int>(0);
}
Debug.Assert(_hashLookup != null);
// Enumerate the left and then right data source. When each is done, we set the
// field to null so we will skip it upon subsequent calls to MoveNext.
if (_leftSource != null)
{
// Iterate over this set's elements until we find a unique element.
TLeftKey keyUnused = default(TLeftKey) !;
Pair <TInputOutput, NoKeyMemoizationRequired> currentLeftElement = default(Pair <TInputOutput, NoKeyMemoizationRequired>);
int i = 0;
while (_leftSource.MoveNext(ref currentLeftElement, ref keyUnused))
{
if ((i++ & CancellationState.POLL_INTERVAL) == 0)
{
CancellationState.ThrowIfCanceled(_cancellationToken);
}
// We ensure we never return duplicates by tracking them in our set.
if (_hashLookup.Add(currentLeftElement.First))
{
#if DEBUG
currentKey = unchecked ((int)0xdeadbeef);
#endif
currentElement = currentLeftElement.First;
return(true);
}
}
_leftSource.Dispose();
_leftSource = null;
}
if (_rightSource != null)
{
// Iterate over this set's elements until we find a unique element.
TRightKey keyUnused = default(TRightKey) !;
Pair <TInputOutput, NoKeyMemoizationRequired> currentRightElement = default(Pair <TInputOutput, NoKeyMemoizationRequired>);
while (_rightSource.MoveNext(ref currentRightElement, ref keyUnused))
{
Debug.Assert(_outputLoopCount != null);
if ((_outputLoopCount.Value++ & CancellationState.POLL_INTERVAL) == 0)
{
CancellationState.ThrowIfCanceled(_cancellationToken);
}
// We ensure we never return duplicates by tracking them in our set.
if (_hashLookup.Add(currentRightElement.First))
{
#if DEBUG
currentKey = unchecked ((int)0xdeadbeef);
#endif
currentElement = currentRightElement.First;
return(true);
}
}
_rightSource.Dispose();
_rightSource = null;
}
return(false);
}
//---------------------------------------------------------------------------------------
// Dispose of resources associated with the underlying enumerator.
//
protected override void Dispose(bool disposing)
{
Contract.Assert(m_source != null);
m_source.Dispose();
}
protected override void Dispose(bool disposing)
{
Debug.Assert(_leftSource != null && _rightLookupBuilder != null);
_leftSource.Dispose();
_rightLookupBuilder.Dispose();
}
protected override void Dispose(bool disposing)
{
Contract.Assert(m_leftSource != null && m_rightSource != null);
m_leftSource.Dispose();
m_rightSource.Dispose();
}
public void Dispose()
{
_operatorEnumerator.Dispose();
_operatorEnumerator = null !;
}
public void Dispose()
{
m_operatorEnumerator.Dispose();
m_operatorEnumerator = null;
}
protected override void Dispose(bool disposing)
{
_leftSource?.Dispose();
_rightSource?.Dispose();
}