# Package org.apache.storm.metricstore

- Interface Summary
  Interface | Description
  --- | ---
  MetricStore |
  MetricStore.ScanCallback | Interface used to callback metrics results from a scan.
  WorkerMetricsProcessor |

- Class Summary
  Class | Description
  --- | ---
  FilterOptions | FilterOptions provides a method to select various filtering options for doing a scan of the metrics database.
  Metric | Class containing metric values and all identifying fields to be stored in a MetricStore.
  MetricStoreConfig |
  NimbusMetricProcessor | Implementation of WorkerMetricsProcessor that sends metric data to Nimbus for processing.
  NoOpMetricStore |

- Enum Summary
  Enum | Description
  --- | ---
  AggLevel | Specifies the available timeframes for Metric aggregation.

- Exception Summary
  Exception | Description
  --- | ---
  MetricException | A MetricException is used to describe an error using a MetricStore.