SimpleHistogram* SimpleHistogramCache::operator[](BaseData::Pointer sp_BaseData)
{
BaseData *p_BaseData = sp_BaseData.GetPointer();
if(!p_BaseData)
{
MITK_WARN << "SimpleHistogramCache::operator[] with null base data called";
return 0;
}
Element *elementToUpdate = 0;
bool first = true;
for(CacheContainer::iterator iter = cache.begin(); iter != cache.end(); iter++)
{
Element *e = *iter;
BaseData *p_tmp = e->baseData.GetPointer();
if(p_tmp == p_BaseData)
{
if(!first)
{
cache.erase(iter);
cache.push_front(e);
}
if( p_BaseData->GetMTime() > e->m_LastUpdateTime.GetMTime())
goto recomputeElement;
//MITK_INFO << "using a cached histogram";
return e->GetHistogram();
}
first = false;
}
if (dynamic_cast<Image*>(p_BaseData))
{
elementToUpdate = new ImageHistogramCacheElement();
}
else if (dynamic_cast<UnstructuredGrid*>(p_BaseData))
{
elementToUpdate = new UnstructuredGridHistogramCacheElement();
}
else
{
MITK_WARN << "not supported: " << p_BaseData->GetNameOfClass();
}
elementToUpdate->baseData = p_BaseData;
cache.push_front(elementToUpdate);
TrimCache();
recomputeElement:
//MITK_INFO << "computing a new histogram";
elementToUpdate->ComputeFromBaseData(p_BaseData);
elementToUpdate->m_LastUpdateTime.Modified();
return elementToUpdate->GetHistogram();
}
mitk::ConnectomicsHistogramsContainer * mitk::ConnectomicsHistogramCache::operator[]( mitk::ConnectomicsNetwork::Pointer sp_NetworkData )
{
BaseData *p_BaseData = dynamic_cast< BaseData* >( sp_NetworkData.GetPointer() );
if(!p_BaseData)
{
MITK_WARN << "ConnectomicsHistogramCache::operator[] with null connectomics network data called";
return nullptr;
}
ConnectomicsHistogramsCacheElement *elementToUpdate = nullptr;
bool first( true );
bool found( false );
for(auto iter = cache.begin(); iter != cache.end(); iter++)
{
ConnectomicsHistogramsCacheElement *e = dynamic_cast<ConnectomicsHistogramsCacheElement *>(*iter);
BaseData *p_tmp = e->baseData.Lock();
if(p_tmp == p_BaseData)
{
if(!first)
{
cache.erase(iter);
cache.push_front(e);
}
if( p_BaseData->GetMTime() > e->m_LastUpdateTime.GetMTime())
{
// found but needs an update
found = true;
elementToUpdate = e;
break;
}
// found but no update needed
return dynamic_cast<ConnectomicsHistogramsContainer*>( e->GetHistograms() );
}
first = false;
}
if( !found )
{
if (dynamic_cast<ConnectomicsNetwork*>(p_BaseData))
{
elementToUpdate = new ConnectomicsHistogramsCacheElement();
}
else
{
MITK_WARN << "not supported: " << p_BaseData->GetNameOfClass();
return nullptr;
}
elementToUpdate->baseData = p_BaseData;
cache.push_front(elementToUpdate);
TrimCache();
}
if(elementToUpdate)
{
elementToUpdate->ComputeFromBaseData(p_BaseData);
elementToUpdate->m_LastUpdateTime.Modified();
return dynamic_cast<ConnectomicsHistogramsContainer*>( elementToUpdate->GetHistograms() );
}
return nullptr;
}
