DynamicModelLoaderRegistry.cpp

/*

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 * Redistributions in binary form must reproduce the above copyright notice,
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   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 HOLDER OR CONTRIBUTORS BE
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*/

#include "DynamicModelLoaderRegistry.hpp"


DynamicModelLoaderRegistry* DynamicModelLoaderRegistry::Instance()
{
    if (!mpInstance.get())
    {
        mpInstance.reset(new DynamicModelLoaderRegistry());
    }
    return mpInstance.get();
}

DynamicCellModelLoaderPtr DynamicModelLoaderRegistry::GetLoader(const std::string& rPath)
{
    // Delete any waiting loaders
    //mDeletableLoaders.clear();

    DynamicCellModelLoaderPtr p_loader;
    // Have we opened this library already?
    std::map<std::string, DynamicCellModelLoaderWeakPtr>::iterator it = mLoaders.find(rPath);
    if (it == mLoaders.end() || it->second.expired())
    {
        // Not loaded, or no longer used
        p_loader = DynamicCellModelLoader::Create(rPath);
        mLoaders[rPath] = p_loader;
    }
    else
    {
        p_loader = it->second.lock();
    }
    ScheduleForDeletion(p_loader); 
    return p_loader;
}

DynamicCellModelLoaderPtr DynamicModelLoaderRegistry::GetLoader(const FileFinder& rFileFinder)
{
    return GetLoader(rFileFinder.GetAbsolutePath());
}

void DynamicModelLoaderRegistry::ScheduleForDeletion(DynamicCellModelLoaderPtr pLoader)
{
    mDeletableLoaders.insert(pLoader);
}

DynamicModelLoaderRegistry::DynamicModelLoaderRegistry()
{
}

std::shared_ptr<DynamicModelLoaderRegistry> DynamicModelLoaderRegistry::mpInstance;