See: Description
| Class | Description | 
|---|---|
| DoFnRunnerWithMetricsUpdate<InputT,OutputT> | 
DoFnRunner decorator which registers MetricsContainerImpl. | 
| FlinkMetricContainer | 
 Helper class for holding a  
MetricsContainerImpl and forwarding Beam metrics to Flink
 accumulators and metrics. | 
| FlinkMetricContainer.FlinkDistributionGauge | 
 Flink  
Gauge for DistributionResult. | 
| FlinkMetricContainer.FlinkGauge | 
 Flink  
Gauge for GaugeResult. | 
| MetricsAccumulator | 
 Accumulator of  
MetricsContainerStepMap. | 
| ReaderInvocationUtil<OutputT,ReaderT extends Source.Reader<OutputT>> | 
 Util for invoking  
Source.Reader methods that might require a MetricsContainerImpl
 to be active. |