org.apache.ignite.lang

## Interface IgniteClosure<E,R>

- Type Parameters:
    `E` - Type of closure parameter.
    `R` - Type of the closure return value.
  All Superinterfaces:
    Serializable

      public interface IgniteClosure<E,R>
      extends Serializable

  Defines generic closure with one parameter. Closure is a simple executable which accepts a parameter and returns a value.

  In Ignite closures are mainly used for executing distributed computations on the grid, like in `IgniteCompute.apply(IgniteClosure, Object)` method.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `R` | `apply(E e)` Closure body.

- - ### Method Detail

    - #### apply

          R apply(E e)

      Closure body.
      Parameters:
        `e` - Closure parameter.
      Returns:
        Closure return value.

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Ignite Database and Caching Platform | : ver. 2.12.0
Release Date | : January 10 2022