public async Task <bool> MoveNext(CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
if (_sourceEnumerator == null)
{
_sourceEnumerator = _groupJoinAsyncEnumerable._source.GetEnumerator();
_hasNext = await _sourceEnumerator.MoveNext(cancellationToken);
_nextOuter = default;
}
if (_hasNext)
{
var outer
#pragma warning disable IDE0034 // Simplify 'default' expression - Equals(object, object) causes default(object)
= Equals(_nextOuter, default(TOuter))
#pragma warning restore IDE0034 // Simplify 'default' expression
? _groupJoinAsyncEnumerable._outerShaper
.Shape(_groupJoinAsyncEnumerable._queryContext, _sourceEnumerator.Current)
: _nextOuter;
_nextOuter = default;
var inner
= _groupJoinAsyncEnumerable._innerShaper
.Shape(_groupJoinAsyncEnumerable._queryContext, _sourceEnumerator.Current);
var inners = new List <TInner>();
if (inner == null)
{
Current
= _groupJoinAsyncEnumerable._resultSelector(
outer, inners.ToAsyncEnumerable());
_hasNext = await _sourceEnumerator.MoveNext(cancellationToken);
return(true);
}
var currentGroupKey = _groupJoinAsyncEnumerable._innerKeySelector(inner);
inners.Add(inner);
while (true)
{
_hasNext = await _sourceEnumerator.MoveNext(cancellationToken);
if (!_hasNext)
{
break;
}
if (_groupJoinAsyncEnumerable._hasOuters)
{
_nextOuter
= _groupJoinAsyncEnumerable._outerShaper
.Shape(_groupJoinAsyncEnumerable._queryContext, _sourceEnumerator.Current);
if (!Equals(outer, _nextOuter))
{
break;
}
_nextOuter = default;
}
inner
= _groupJoinAsyncEnumerable._innerShaper
.Shape(_groupJoinAsyncEnumerable._queryContext, _sourceEnumerator.Current);
if (inner == null)
{
break;
}
var innerKey = _groupJoinAsyncEnumerable._innerKeySelector(inner);
if (!_comparer.Equals(currentGroupKey, innerKey))
{
break;
}
inners.Add(inner);
}
Current
= _groupJoinAsyncEnumerable._resultSelector(
outer, inners.ToAsyncEnumerable());
return(true);
}
return(false);
}
public async Task <bool> MoveNext(CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
if (_sourceEnumerator == null)
{
_outerGroupJoinIncludeContext = _groupJoinAsyncEnumerable._outerGroupJoinInclude?.Initialize(_groupJoinAsyncEnumerable._queryContext);
_innerGroupJoinIncludeContext = _groupJoinAsyncEnumerable._innerGroupJoinInclude?.Initialize(_groupJoinAsyncEnumerable._queryContext);
_outerEntityAccessor = _groupJoinAsyncEnumerable._outerGroupJoinInclude?.EntityAccessor as Func <TOuter, object>;
_innerEntityAccessor = _groupJoinAsyncEnumerable._innerGroupJoinInclude?.EntityAccessor as Func <TInner, object>;
_sourceEnumerator = _groupJoinAsyncEnumerable._source.GetEnumerator();
_hasNext = await _sourceEnumerator.MoveNext(cancellationToken);
_nextOuter = default(TOuter);
}
if (_hasNext)
{
var outer
= Equals(_nextOuter, default(TOuter))
? _groupJoinAsyncEnumerable._outerShaper
.Shape(_groupJoinAsyncEnumerable._queryContext, _sourceEnumerator.Current)
: _nextOuter;
_nextOuter = default(TOuter);
if (_outerGroupJoinIncludeContext != null)
{
if (_outerEntityAccessor != null)
{
await _outerGroupJoinIncludeContext.IncludeAsync(_outerEntityAccessor(outer), cancellationToken);
}
else
{
await _outerGroupJoinIncludeContext.IncludeAsync(outer, cancellationToken);
}
}
var inner
= _groupJoinAsyncEnumerable._innerShaper
.Shape(_groupJoinAsyncEnumerable._queryContext, _sourceEnumerator.Current);
var inners = new List <TInner>();
if (inner == null)
{
Current
= _groupJoinAsyncEnumerable._resultSelector(
outer, AsyncLinqOperatorProvider.ToAsyncEnumerable(inners));
_hasNext = await _sourceEnumerator.MoveNext(cancellationToken);
return(true);
}
var currentGroupKey = _groupJoinAsyncEnumerable._innerKeySelector(inner);
if (_innerGroupJoinIncludeContext != null)
{
if (_innerEntityAccessor != null)
{
await _innerGroupJoinIncludeContext.IncludeAsync(_innerEntityAccessor(inner), cancellationToken);
}
else
{
await _innerGroupJoinIncludeContext.IncludeAsync(inner, cancellationToken);
}
}
inners.Add(inner);
while (true)
{
_hasNext = await _sourceEnumerator.MoveNext(cancellationToken);
if (!_hasNext)
{
break;
}
if (_groupJoinAsyncEnumerable._hasOuters)
{
_nextOuter
= _groupJoinAsyncEnumerable._outerShaper
.Shape(_groupJoinAsyncEnumerable._queryContext, _sourceEnumerator.Current);
if (!Equals(outer, _nextOuter))
{
break;
}
_nextOuter = default(TOuter);
}
inner
= _groupJoinAsyncEnumerable._innerShaper
.Shape(_groupJoinAsyncEnumerable._queryContext, _sourceEnumerator.Current);
if (inner == null)
{
break;
}
var innerKey = _groupJoinAsyncEnumerable._innerKeySelector(inner);
if (!_comparer.Equals(currentGroupKey, innerKey))
{
break;
}
if (_innerGroupJoinIncludeContext != null)
{
await _innerGroupJoinIncludeContext.IncludeAsync(inner, cancellationToken);
}
inners.Add(inner);
}
Current
= _groupJoinAsyncEnumerable._resultSelector(
outer, AsyncLinqOperatorProvider.ToAsyncEnumerable(inners));
return(true);
}
return(false);
}
public async Task <bool> MoveNext(CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
if (_sourceEnumerator == null)
{
_groupJoinAsyncEnumerable._outerGroupJoinInclude?.Initialize(_groupJoinAsyncEnumerable._queryContext);
_groupJoinAsyncEnumerable._innerGroupJoinInclude?.Initialize(_groupJoinAsyncEnumerable._queryContext);
_sourceEnumerator = _groupJoinAsyncEnumerable._source.GetEnumerator();
_hasNext = await _sourceEnumerator.MoveNext();
}
if (_hasNext)
{
var outer
= _groupJoinAsyncEnumerable._outerShaper
.Shape(_groupJoinAsyncEnumerable._queryContext, _sourceEnumerator.Current);
if (_groupJoinAsyncEnumerable._outerGroupJoinInclude != null)
{
await _groupJoinAsyncEnumerable._outerGroupJoinInclude.IncludeAsync(outer, cancellationToken);
}
var inner
= _groupJoinAsyncEnumerable._innerShaper
.Shape(_groupJoinAsyncEnumerable._queryContext, _sourceEnumerator.Current);
var inners = new List <TInner>();
if (inner == null)
{
Current
= _groupJoinAsyncEnumerable._resultSelector(
outer, AsyncLinqOperatorProvider.ToAsyncEnumerable(inners));
_hasNext = await _sourceEnumerator.MoveNext();
return(true);
}
var currentGroupKey = _groupJoinAsyncEnumerable._innerKeySelector(inner);
if (_groupJoinAsyncEnumerable._innerGroupJoinInclude != null)
{
await _groupJoinAsyncEnumerable._innerGroupJoinInclude.IncludeAsync(inner, cancellationToken);
}
inners.Add(inner);
while (true)
{
_hasNext = await _sourceEnumerator.MoveNext();
if (!_hasNext)
{
break;
}
inner
= _groupJoinAsyncEnumerable._innerShaper
.Shape(_groupJoinAsyncEnumerable._queryContext, _sourceEnumerator.Current);
if (inner == null)
{
break;
}
var innerKey = _groupJoinAsyncEnumerable._innerKeySelector(inner);
if (!_comparer.Equals(currentGroupKey, innerKey))
{
break;
}
if (_groupJoinAsyncEnumerable._innerGroupJoinInclude != null)
{
await _groupJoinAsyncEnumerable._innerGroupJoinInclude.IncludeAsync(inner, cancellationToken);
}
inners.Add(inner);
}
Current
= _groupJoinAsyncEnumerable._resultSelector(
outer, AsyncLinqOperatorProvider.ToAsyncEnumerable(inners));
return(true);
}
return(false);
}