folly/stats/Instantiations.cpp

   1 /*
   2  * Copyright 2017 Facebook, Inc.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *   http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /*
  18  * This file contains explicit instantiations of stats template types.
  19  *
  20  * This allows most users to avoid having to include the template definition
  21  * header files.
  22  */
  23
  24 #include <folly/stats/BucketedTimeSeries.h>
  25 #include <folly/stats/BucketedTimeSeries-defs.h>
  26
  27 #include <folly/stats/Histogram.h>
  28 #include <folly/stats/Histogram-defs.h>
  29
  30 #include <folly/stats/MultiLevelTimeSeries.h>
  31 #include <folly/stats/MultiLevelTimeSeries-defs.h>
  32
  33 #include <folly/stats/TimeseriesHistogram.h>
  34 #include <folly/stats/TimeseriesHistogram-defs.h>
  35
  36 namespace folly {
  37
  38 template class BucketedTimeSeries<int64_t>;
  39 template class Histogram<int64_t>;
  40 template class detail::HistogramBuckets<int64_t, Histogram<int64_t>::Bucket>;
  41 template class MultiLevelTimeSeries<int64_t>;
  42 template class TimeseriesHistogram<int64_t>;
  43
  44 // Histogram::getPercentileBucketIdx(), Histogram::getPercentileEstimate()
  45 // and Histogram::computeTotalCount()
  46 // are implemented using template methods.  Instantiate the default versions of
  47 // these methods too, so anyone using them won't also need to explicitly
  48 // include Histogram-defs.h
  49 template size_t detail::HistogramBuckets<int64_t, Histogram<int64_t>::Bucket>::
  50     getPercentileBucketIdx<Histogram<int64_t>::CountFromBucket>(
  51         double pct,
  52         Histogram<int64_t>::CountFromBucket countFromBucket,
  53         double* lowPct,
  54         double* highPct) const;
  55 template int64_t detail::HistogramBuckets<int64_t, Histogram<int64_t>::Bucket>
  56   ::getPercentileEstimate<Histogram<int64_t>::CountFromBucket,
  57                           Histogram<int64_t>::AvgFromBucket>(
  58     double pct,
  59     Histogram<int64_t>::CountFromBucket countFromBucket,
  60     Histogram<int64_t>::AvgFromBucket avgFromBucket) const;
  61 template uint64_t detail::HistogramBuckets<int64_t, Histogram<int64_t>::Bucket>
  62   ::computeTotalCount<Histogram<int64_t>::CountFromBucket>(
  63     Histogram<int64_t>::CountFromBucket countFromBucket) const;
  64
  65 } // folly