| /* |
| * Copyright 2009, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| |
| // Implementation of helper classes to aggregate the collected in-memory |
| // stats to persistent storage. |
| #include "aggregator.h" |
| |
| namespace stats_report { |
| |
| bool MetricsAggregator::AggregateMetrics() { |
| if (!StartAggregation()) |
| return false; |
| |
| MetricIterator it(coll_), end; |
| for (; it != end; ++it) { |
| MetricBase *metric = *it; |
| DCHECK(NULL != metric); |
| |
| switch (metric->type()) { |
| case kCountType: |
| Aggregate(metric->AsCount()); |
| break; |
| case kTimingType: |
| Aggregate(metric->AsTiming()); |
| break; |
| case kIntegerType: |
| Aggregate(metric->AsInteger()); |
| break; |
| case kBoolType: |
| Aggregate(metric->AsBool()); |
| break; |
| default: |
| DCHECK(false && "Impossible metric type"); |
| break; |
| } |
| } |
| |
| // done, close up |
| EndAggregation(); |
| |
| return true; |
| } |
| |
| MetricsAggregator::MetricsAggregator() : coll_(g_global_metrics) { |
| DCHECK(coll_.initialized()); |
| } |
| |
| MetricsAggregator::MetricsAggregator(const MetricCollection &coll) |
| : coll_(coll) { |
| DCHECK(coll_.initialized()); |
| } |
| |
| MetricsAggregator::~MetricsAggregator() { |
| } |
| |
| bool MetricsAggregator::StartAggregation() { |
| // nothing |
| return true; |
| } |
| |
| void MetricsAggregator::EndAggregation() { |
| // nothing |
| } |
| |
| } // namespace stats_report |