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.

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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::auto_ptr<DynamicModelLoaderRegistry> DynamicModelLoaderRegistry::mpInstance;