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/*
* 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.
*/
// Posix aggregator, which aggregates counters to a keyvaluetable. It is the
// interface to the keyvaluetable for all clients.
#ifndef O3D_STATSREPORT_AGGREGATOR_POSIX_H__
#define O3D_STATSREPORT_AGGREGATOR_POSIX_H__
#include <string>
#include "aggregator.h"
#include "base/scoped_ptr.h"
#include "backend/keyvaluetable.h"
namespace stats_report {
class Formatter;
class MetricsAggregatorPosix: public MetricsAggregator {
public:
// @param coll the metrics collection to aggregate, most usually this
// is g_global_metrics.
explicit MetricsAggregatorPosix(const MetricCollection &coll);
~MetricsAggregatorPosix();
template <typename ValueType>
bool GetValue(const string &key, ValueType *value);
template <typename ValueType>
bool SetValue(const string &key, ValueType value);
void ResetMetrics();
void FormatMetrics(Formatter *formatter);
protected:
virtual bool StartAggregation();
virtual void EndAggregation();
virtual void Aggregate(CountMetric *metric);
virtual void Aggregate(TimingMetric *metric);
virtual void Aggregate(IntegerMetric *metric);
virtual void Aggregate(BoolMetric *metric);
private:
// The keyvaluetable
scoped_ptr<KeyValueTable> key_value_table_;
// The current transaction
scoped_ptr<KeyValueTransaction> transaction_;
DISALLOW_COPY_AND_ASSIGN(MetricsAggregatorPosix);
};
} // namespace stats_report
#endif // O3D_STATSREPORT_AGGREGATOR_POSIX_H__
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