StoredMaterialManager Node1 StoredMaterialManager + StoredMaterialManager() + ~StoredMaterialManager() + getMaterial() + getElement() + getElement() + addMaterial() + begin() + end() + size() + printAll() Node2 RDBMaterialManager - m_elements - m_trtmaterials - m_trtmatcomponents - m_stdmaterials - m_stdmatcomponents - m_larmaterials - m_larmatcomponents - m_muomaterials - m_muomatcomponents - m_pixmaterials and 15 more... + RDBMaterialManager() + ~RDBMaterialManager() + getMaterial() + getElement() + getElement() + addMaterial() + begin() + end() + size() + printAll() - readMaterialsFromDB() - buildSpecialMaterials() - searchElementVector() - searchElementVector() - searchMaterialMap() Node1->Node2