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//
// HashStatistic.cpp
//
// Library: Foundation
// Package: Hashing
// Module: HashStatistic
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/HashStatistic.h"
#include <sstream>
namespace Poco {
HashStatistic::HashStatistic(
UInt32 tableSize,
UInt32 numEntries,
UInt32 numZeroEntries,
UInt32 maxEntry,
std::vector<UInt32> details):
_sizeOfTable(tableSize),
_numberOfEntries(numEntries),
_numZeroEntries(numZeroEntries),
_maxEntriesPerHash(maxEntry),
_detailedEntriesPerHash(details)
{
}
HashStatistic::~HashStatistic()
{
}
std::string HashStatistic::toString() const
{
std::ostringstream str;
str << "HashTable of size " << _sizeOfTable << " containing " << _numberOfEntries << " entries:\n";
str << " NumberOfZeroEntries: " << _numZeroEntries << "\n";
str << " MaxEntry: " << _maxEntriesPerHash << "\n";
str << " AvgEntry: " << avgEntriesPerHash() << ", excl Zero slots: " << avgEntriesPerHashExclZeroEntries() << "\n";
str << " DetailedStatistics: \n";
for (int i = 0; i < _detailedEntriesPerHash.size(); ++i)
{
// 10 entries per line
if (i % 10 == 0)
{
str << "\n " << i << ":";
}
str << " " << _detailedEntriesPerHash[i];
}
str << "\n";
str.flush();
return str.str();
}
} // namespace Poco
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