# Package org.apache.storm.streams.operations.mappers

package org.apache.storm.streams.operations.mappers

- Related Packages
  Package
  Description
  org.apache.storm.streams.operations
  org.apache.storm.streams.operations.aggregators
- Class
  Description
  PairValueMapper<K,V>
  Extracts a typed key-value pair from a tuple.
  TupleValueMapper<T>
  A generic interface for mapping a `Tuple` to typed values.
  TupleValueMappers
  Factory for constructing typed tuples from a `Tuple` based on indicies.
  ValueMapper<T>
  Extracts a single typed value from a tuple.
  ValuesMapper
  Constructs a `Values` from a `Tuple` based on indicies.