Package org.apache.storm.streams.operations

# Class IdentityFunction<T>

java.lang.Object
org.apache.storm.streams.operations.IdentityFunction<T>

Type Parameters:
  `T` - the type of the input

All Implemented Interfaces:
  `Serializable`, `Function<T,T>`, `Operation`

public class IdentityFunction<T> extends Object implements Function<T,T>
A `Function` that returns the input argument itself as the result.

See Also:
  - Serialized Form

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `IdentityFunction()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `T`
  `apply(T input)`
  Applies this function to the given argument.

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

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

- ## Constructor Details

  - ### IdentityFunction

    public IdentityFunction()

- ## Method Details

  - ### apply

    public T apply(T input)
    Description copied from interface: `Function`
    Applies this function to the given argument.
    Specified by:
      `apply` in interface `Function<T,T>`
    Parameters:
      `input` - the input to the function
    Returns:
      the function result