| %%% |
| %%% Copyright 2011, Boundary |
| %%% |
| %%% Licensed under the Apache License, Version 2.0 (the "License"); |
| %%% you may not use this file except in compliance with the License. |
| %%% You may obtain a copy of the License at |
| %%% |
| %%% http://www.apache.org/licenses/LICENSE-2.0 |
| %%% |
| %%% Unless required by applicable law or agreed to in writing, software |
| %%% distributed under the License is distributed on an "AS IS" BASIS, |
| %%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| %%% See the License for the specific language governing permissions and |
| %%% limitations under the License. |
| %%% |
| |
| |
| %%%------------------------------------------------------------------- |
| %%% File: folsom_sample.erl |
| %%% @author joe williams <j@boundary.com> |
| %%% @doc |
| %%% @end |
| %%%------------------------------------------------------------------ |
| |
| -module(folsom_sample). |
| |
| -export([ |
| new/1, |
| new/2, |
| new/3, |
| update/3, |
| get_values/2 |
| ]). |
| |
| -include("folsom.hrl"). |
| |
| %% API |
| |
| new(slide) -> |
| new(slide, ?DEFAULT_SLIDING_WINDOW); |
| new(slide_uniform) -> |
| new(slide_uniform, {?DEFAULT_SLIDING_WINDOW, ?DEFAULT_SIZE}); |
| new(Type) -> |
| new(Type, ?DEFAULT_SIZE, ?DEFAULT_ALPHA). |
| |
| new(Type, Size) -> |
| new(Type, Size, ?DEFAULT_ALPHA). |
| |
| new(slide, Size, _) -> |
| folsom_sample_slide:new(Size); |
| new(slide_uniform, Sizes, _) -> |
| folsom_sample_slide_uniform:new(Sizes); |
| new(uniform, Size, _) -> |
| folsom_sample_uniform:new(Size); |
| new(none, Size, _) -> |
| folsom_sample_none:new(Size); |
| new(slide_sorted, Size, _) -> |
| folsom_sample_slide_sorted:new(Size); |
| new(exdec, Size, Alpha) -> |
| folsom_sample_exdec:new(Size, Alpha). |
| |
| update(uniform, Sample, Value) -> |
| folsom_sample_uniform:update(Sample, Value); |
| update(none, Sample, Value) -> |
| folsom_sample_none:update(Sample, Value); |
| update(slide_sorted, Sample, Value) -> |
| folsom_sample_slide_sorted:update(Sample, Value); |
| update(exdec, Sample, Value) -> |
| folsom_sample_exdec:update(Sample, Value); |
| update(slide, Sample, Value) -> |
| folsom_sample_slide:update(Sample, Value); |
| update(slide_uniform, Sample, Value) -> |
| folsom_sample_slide_uniform:update(Sample, Value). |
| |
| |
| get_values(uniform, Sample) -> |
| folsom_sample_uniform:get_values(Sample); |
| get_values(none, Sample) -> |
| folsom_sample_none:get_values(Sample); |
| get_values(slide_sorted, Sample) -> |
| folsom_sample_slide_sorted:get_values(Sample); |
| get_values(exdec, Sample) -> |
| folsom_sample_exdec:get_values(Sample); |
| get_values(slide, Sample) -> |
| folsom_sample_slide:get_values(Sample); |
| get_values(slide_uniform, Sample) -> |
| folsom_sample_slide_uniform:get_values(Sample). |