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

  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 Details

  - ### declareOutputFields

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