internal AssociativeAggregationOperatorEnumerator(QueryOperatorEnumerator <TInput, TKey> source, AssociativeAggregationOperator <TInput, TIntermediate, TOutput> reduceOperator, int partitionIndex, CancellationToken cancellationToken)
{
this.m_source = source;
this.m_reduceOperator = reduceOperator;
this.m_partitionIndex = partitionIndex;
this.m_cancellationToken = cancellationToken;
}
private bool _accumulated; // Whether we've accumulated already. (false-sharing risk, but only written once)
//---------------------------------------------------------------------------------------
// Instantiates a new aggregation operator.
//
internal AssociativeAggregationOperatorEnumerator(QueryOperatorEnumerator <TInput, TKey> source,
AssociativeAggregationOperator <TInput, TIntermediate, TOutput> reduceOperator, int partitionIndex,
CancellationToken cancellationToken)
{
Contract.Assert(source != null);
Contract.Assert(reduceOperator != null);
_source = source;
_reduceOperator = reduceOperator;
_partitionIndex = partitionIndex;
_cancellationToken = cancellationToken;
}