This project has retired. For details please refer to its Attic page.

org.apache.crunch.fn
Class IdentityFn<T>

java.lang.Object
  org.apache.crunch.DoFn<S,T>
      org.apache.crunch.MapFn<T,T>
          org.apache.crunch.fn.IdentityFn<T>

All Implemented Interfaces:

Serializable

public class IdentityFn<T>
extends MapFn<T,T>

See Also:

Serialized Form

Method Summary

static <T> IdentityFn<T>	getInstance()
T	map(T input) Maps the given input into an instance of the output type.

Methods inherited from class org.apache.crunch.MapFn

process, scaleFactor

Methods inherited from class org.apache.crunch.DoFn

cleanup, configure, disableDeepCopy, getConfiguration, getContext, getCounter, getCounter, getStatus, getTaskAttemptID, increment, increment, increment, increment, initialize, progress, setConfiguration, setContext, setStatus

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static <T> IdentityFn<T> getInstance()

map

public T map(T input)

Description copied from class: MapFn

Maps the given input into an instance of the output type.

Specified by:

map in class MapFn<T,T>