Package 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 | Description
    --- | --- | ---
    `R` | `apply​(E e)` | Closure body.

- - ### Method Detail

    - #### apply

          R apply​(E e)

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