Package org.apache.storm.redis.common.mapper

## Interface RedisFilterMapper

- All Superinterfaces:
    `RedisMapper`, `Serializable`, `TupleMapper`

      public interface RedisFilterMapper
      extends TupleMapper, RedisMapper

  RedisFilterMapper is for defining spec. which is used for querying value from Redis and filtering.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `declareOutputFields​(OutputFieldsDeclarer declarer)` | declare what are the fields that this code will output.

    - ### Methods inherited from interface org.apache.storm.redis.common.mapper.RedisMapper

      `getDataTypeDescription`

    - ### Methods inherited from interface org.apache.storm.redis.common.mapper.TupleMapper

      `getKeyFromTuple, getValueFromTuple`

- - ### Method Detail

    - #### declareOutputFields

          void declareOutputFields​(OutputFieldsDeclarer declarer)

      declare what are the fields that this code will output.
      Parameters:
        `declarer` - OutputFieldsDeclarer