public RelatedValuesEnumerable(
AsyncIncludeCollectionIterator iterator,
IIncludeKeyComparer keyComparer)
{
_iterator = iterator;
_keyComparer = keyComparer;
}
public IEnumerable <EntityLoadInfo> Load(QueryContext queryContext, IIncludeKeyComparer keyComparer)
{
return
(_includeCollectionIterator
.GetRelatedValues(keyComparer)
.Select(vr => new EntityLoadInfo(vr, _materializer)));
}
public IEnumerable <EntityLoadInfo> Load(QueryContext queryContext, IIncludeKeyComparer keyComparer)
=> ((InMemoryQueryContext)queryContext).Store
.GetTables(_targetType)
.SelectMany(t =>
t.Rows.Select(vs => new EntityLoadInfo(
new ValueBuffer(vs), vb => _materializer(t.EntityType, vb)))
.Where(eli => keyComparer.ShouldInclude(eli.ValueBuffer)));
public IAsyncEnumerable <EntityLoadInfo> GetRelatedValues(IIncludeKeyComparer keyComparer)
{
var valueBuffer = _queryContext.GetIncludeValueBuffer(_queryIndex).WithOffset(_valueBufferOffset);
return(new AsyncEnumerableAdapter <EntityLoadInfo>(
new EntityLoadInfo(valueBuffer, _materializer)));
}
public IAsyncEnumerable <EntityLoadInfo> Load(QueryContext queryContext, IIncludeKeyComparer keyComparer)
{
return
(AsyncLinqOperatorProvider
._Select(
_includeCollectionIterator.GetRelatedValues(keyComparer),
vr => new EntityLoadInfo(vr, _materializer)));
}
public IEnumerable <EntityLoadInfo> Load(QueryContext queryContext, IIncludeKeyComparer keyComparer)
{
var valueBuffer
= ((RelationalQueryContext)queryContext)
.GetIncludeValueBuffer(_queryIndex).WithOffset(_valueBufferOffset);
yield return(new EntityLoadInfo(valueBuffer, _materializer));
}
private static IEnumerable <EntityLoadInfo> GetRelatedValueBuffers(
QueryContext queryContext,
IEntityType targetType,
IIncludeKeyComparer keyComparer,
Func <IEntityType, ValueBuffer, object> materializer)
{
return(((InMemoryQueryContext)queryContext).Store
.GetTables(targetType)
.SelectMany(t =>
t.Rows.Select(vs => new EntityLoadInfo(
new ValueBuffer(vs), vb => materializer(t.EntityType, vb)))
.Where(eli => keyComparer.ShouldInclude(eli.ValueBuffer))));
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public virtual IEnumerable <ValueBuffer> GetRelatedValues(
[NotNull] IIncludeKeyComparer keyComparer)
{
if (!_initialized)
{
_hasRemainingRows = _relatedValuesEnumerator.MoveNext();
_initialized = true;
}
while (_hasRemainingRows &&
keyComparer.ShouldInclude(_relatedValuesEnumerator.Current))
{
yield return(_relatedValuesEnumerator.Current);
_hasRemainingRows = _relatedValuesEnumerator.MoveNext();
}
}
public virtual IAsyncEnumerable <ValueBuffer> GetRelatedValues(
[NotNull] IIncludeKeyComparer keyComparer)
=> new RelatedValuesEnumerable(this, keyComparer);
