MemoryPoolSettings.h

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// Copyright Onix Solutions Limited [OnixS]. All rights reserved.
//
// This software owned by Onix Solutions Limited [OnixS] and is
// protected by copyright law and international copyright treaties.
//
// Access to and use of the software is governed by the terms of the applicable
// OnixS Software Services Agreement (the Agreement) and Customer end user license
// agreements granting a non-assignable, non-transferable and non-exclusive license
// to use the software for it's own data processing purposes under the terms defined
// in the Agreement.
//
// Except as otherwise granted within the terms of the Agreement, copying or
// reproduction of any part of this source code or associated reference material
// to any other location for further reproduction or redistribution, and any
// amendments to this copyright notice, are expressly prohibited.
//
// Any reproduction or redistribution for sale or hiring of the Software not in
// accordance with the terms of the Agreement is a violation of copyright law.
//
 
#pragma once
 
#include <string>
#include <stdexcept>
 
#include <OnixS/CME/MDH/String.h>
 
ONIXS_CMEMDH_NAMESPACE_BEGIN

inline void throwZeroParameter(const Char* parameter)
{
    std::string reason;
 
    reason += "Non-zero value is expected for '";
    reason += parameter ? parameter : "<unknown>";
    reason += "' parameter. ";
 
    throw std::out_of_range(reason);
}

class ONIXS_CMEMDH_LTWT MemoryPoolSettings
{
public:
    MemoryPoolSettings()
        : blockIncrease_(48)
        , increaseQty_(32)
        , chunkSize_(20)
        , chunkScaling_(2)
    {
    }

    MemoryPoolSettings(const MemoryPoolSettings& other)
        : blockIncrease_(other.blockIncrease_)
        , increaseQty_(other.increaseQty_)
        , chunkSize_(other.chunkSize_)
        , chunkScaling_(other.chunkScaling_)
    {
    }

    ~MemoryPoolSettings() {}

    size_t blockIncrease() const
    {
        return blockIncrease_;
    }

    void blockIncrease(size_t increase)
    {
        const Char* const name = "BlockIncrease";
 
        if (0 < increase)
        {
            blockIncrease_ = increase;
        }
        else
        {
            throwZeroParameter(name);
        }
    }

    size_t increaseQty() const
    {
        return increaseQty_;
    }

    void increaseQty(size_t qty)
    {
        const Char* const name = "IncreaseQty";
 
        if (0 < qty)
        {
            increaseQty_ = qty;
        }
        else
        {
            throwZeroParameter(name);
        }
    }

    size_t chunkSize() const
    {
        return chunkSize_;
    }

    void chunkSize(size_t size)
    {
        const Char* const name = "ChunkSize";
 
        if (0 < size)
        {
            chunkSize_ = size;
        }
        else
        {
            throwZeroParameter(name);
        }
    }

    size_t chunkScaling() const
    {
        return chunkScaling_;
    }

    void chunkScaling(size_t factor)
    {
        const Char* const name = "ChunkScaling";
 
        if (0 < factor)
        {
            chunkScaling_ = factor;
        }
        else
        {
            throwZeroParameter(name);
        }
    }

    MemoryPoolSettings& operator=(const MemoryPoolSettings& other)
    {
        blockIncrease_ = other.blockIncrease_;
 
        increaseQty_ = other.increaseQty_;
 
        chunkSize_ = other.chunkSize_;
 
        chunkScaling_ = other.chunkScaling_;
 
        return *this;
    }
 
private:
    size_t blockIncrease_;
 
    size_t increaseQty_;
 
    size_t chunkSize_;
 
    size_t chunkScaling_;
};

ONIXS_CMEMDH_EXPORTED
void toStr(std::string&, const MemoryPoolSettings&);

inline std::string toStr(const MemoryPoolSettings& settings)
{
    std::string str;
 
    toStr(str, settings);
 
    return str;
}
 
ONIXS_CMEMDH_NAMESPACE_END