Beispiel #1
0
        public static AggregateArrayResults[] CreateArrayResults(Aggregate[] aggregates)
        {
            AggregateArrayResults[] aggResults = new AggregateArrayResults[aggregates.Length];
            for (int i = 0; i < aggregates.Length; i++)
            {
                aggResults[i] = (AggregateArrayResults.Factory(aggregates[i].GetAggregateReturnType(), aggregates[i].GetFuncName()));
            }

            return(aggResults);
        }
Beispiel #2
0
        protected override GroupByJob[] CreateSpecJobs(GroupByJob[] jobs, RowEqualityComparerInt equalityComparer, ITableResults resTable, int current, int addition)
        {
            var             aggResults           = AggregateArrayResults.CreateArrayResults(this.aggregates);
            var             concurrentDictArrays = new ConcurrentDictionary <int, int>(equalityComparer);
            int             capture         = 0;
            Func <int, int> positionFactory = (int x) => { return(Interlocked.Increment(ref capture)); };
            Semaphore       semaphore       = new Semaphore(this.ThreadCount, this.ThreadCount);

            for (int i = 0; i < jobs.Length - 1; i++)
            {
                jobs[i]  = new GroupByJobArrays(concurrentDictArrays, this.aggregates, resTable, current, current + addition, aggResults, positionFactory, semaphore, jobs.Length);
                current += addition;
            }
            jobs[jobs.Length - 1] = new GroupByJobArrays(concurrentDictArrays, this.aggregates, resTable, current, resTable.NumberOfMatchedElements, aggResults, positionFactory, semaphore, jobs.Length);
            return(jobs);
        }