backtype.storm.metric.api
Interfaces 
ICombiner
IMetric
IMetricsConsumer
IReducer
IStatefulObject
Classes 
AssignableMetric
CombinedMetric
CountMetric
IMetricsConsumer.DataPoint
IMetricsConsumer.TaskInfo
MeanReducer
MultiCountMetric
MultiReducedMetric
ReducedMetric
StateMetric