| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| |
| <link rel="import" href="/model/counter_sample.html"> |
| <link rel="import" href="/model/event_container.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview Provides the CounterSeries class. |
| */ |
| tr.exportTo('tr.model', function() { |
| var CounterSample = tr.model.CounterSample; |
| |
| function CounterSeries(name, color) { |
| tr.model.EventContainer.call(this); |
| this.guid_ = tr.b.GUID.allocate(); |
| |
| this.name_ = name; |
| this.color_ = color; |
| |
| this.timestamps_ = []; |
| this.samples_ = []; |
| |
| // Set by counter.addSeries |
| this.counter = undefined; |
| this.seriesIndex = undefined; |
| } |
| |
| CounterSeries.prototype = { |
| __proto__: tr.model.EventContainer.prototype, |
| |
| get length() { |
| return this.timestamps_.length; |
| }, |
| |
| get name() { |
| return this.name_; |
| }, |
| |
| get color() { |
| return this.color_; |
| }, |
| |
| get samples() { |
| return this.samples_; |
| }, |
| |
| get timestamps() { |
| return this.timestamps_; |
| }, |
| |
| getSample: function(idx) { |
| return this.samples_[idx]; |
| }, |
| |
| getTimestamp: function(idx) { |
| return this.timestamps_[idx]; |
| }, |
| |
| addCounterSample: function(ts, val) { |
| var sample = new CounterSample(this, ts, val); |
| this.addSample(sample); |
| return sample; |
| }, |
| |
| addSample: function(sample) { |
| this.timestamps_.push(sample.timestamp); |
| this.samples_.push(sample); |
| }, |
| |
| getStatistics: function(sampleIndices) { |
| var sum = 0; |
| var min = Number.MAX_VALUE; |
| var max = -Number.MAX_VALUE; |
| |
| for (var i = 0; i < sampleIndices.length; ++i) { |
| var sample = this.getSample(sampleIndices[i]).value; |
| |
| sum += sample; |
| min = Math.min(sample, min); |
| max = Math.max(sample, max); |
| } |
| |
| return { |
| min: min, |
| max: max, |
| avg: (sum / sampleIndices.length), |
| start: this.getSample(sampleIndices[0]).value, |
| end: this.getSample(sampleIndices.length - 1).value |
| }; |
| }, |
| |
| shiftTimestampsForward: function(amount) { |
| for (var i = 0; i < this.timestamps_.length; ++i) { |
| this.timestamps_[i] += amount; |
| this.samples_[i].timestamp = this.timestamps_[i]; |
| } |
| }, |
| |
| iterateAllEventsInThisContainer: function(eventTypePredicate, |
| callback, opt_this) { |
| if (eventTypePredicate.call(opt_this, tr.model.CounterSample)) { |
| this.samples_.forEach(callback, opt_this); |
| } |
| }, |
| |
| iterateAllChildEventContainers: function(callback, opt_this) { |
| } |
| }; |
| |
| return { |
| CounterSeries: CounterSeries |
| }; |
| }); |
| </script> |
| |
