org.apache.storm.metric.api.rpc

## Class ReducedShellMetric

- java.lang.Object
- - org.apache.storm.metric.api.ReducedMetric
  - - org.apache.storm.metric.api.rpc.ReducedShellMetric

- All Implemented Interfaces:
    IMetric, IShellMetric

      public class ReducedShellMetric
      extends ReducedMetric
      implements IShellMetric

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `ReducedShellMetric(IReducer reducer)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `updateMetricFromRPC(Object value)` This interface is used by ShellBolt and ShellSpout through RPC call to update Metric.

    - ### Methods inherited from class org.apache.storm.metric.api.ReducedMetric

      `getValueAndReset, update`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

    - ### Methods inherited from interface org.apache.storm.metric.api.IMetric

      `getValueAndReset`

- - ### Constructor Detail

    - #### ReducedShellMetric

          public ReducedShellMetric(IReducer reducer)

  - ### Method Detail

    - #### updateMetricFromRPC

          public void updateMetricFromRPC(Object value)

      Description copied from interface: `IShellMetric`

      This interface is used by ShellBolt and ShellSpout through RPC call to update Metric.

      Specified by:
        `updateMetricFromRPC` in interface `IShellMetric`
      Parameters:
        `value` - used to update metric, its’s meaning change according implementation Object can be any json support types: String, Long, Double, Boolean, Null, List, Map

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