LArMaterialManager Node1 LArMaterialManager - m_msgSvc + LArMaterialManager() + ~LArMaterialManager() + buildMaterials() Node2 StoredMaterialManager + StoredMaterialManager() + ~StoredMaterialManager() + getMaterial() + getElement() + getElement() + addMaterial() + begin() + end() + size() + printAll() Node2->Node1 -m_storedManager