ICaloClusterGPUConstantTransformer Node1 ICaloClusterGPUConstantTransformer + convert() + convert() + DeclareInterfaceID() Node3 BasicConstantGPUDataExporter - m_keepCPUData - m_noiseCDOKey - m_caloMgrKey - m_hasBeenInitialized + BasicConstantGPUDataExporter() + initialize() + convert() + convert() + finalize() + ~BasicConstantGPUDataExporter() Node1->Node3 Node2 IAlgTool Node2->Node1