Identity (Java Application API for IBM Streams)
Date: 2020-08-07

com.ibm.streamsx.topology.logic

## Class Identity<T>

- java.lang.Object
- - com.ibm.streamsx.topology.logic.Identity<T>

- Type Parameters:
    `T` - Type of the operand.
  All Implemented Interfaces:
    Function<T,T>, UnaryOperator<T>, java.io.Serializable

      public final class Identity<T>
      extends java.lang.Object
      implements UnaryOperator<T>

  Identity unary function that returns its input.
  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `Identity()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `T` | `apply(T v)` Returns the input value.

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

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

- - ### Constructor Detail

    - #### Identity

          public Identity()

  - ### Method Detail

    - #### apply

          public T apply(T v)

      Returns the input value.
      Specified by:
        `apply` in interface `Function<T,T>`
      Returns:
        `v`