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
    All Known Subinterfaces:
    C1<E1,​R>
    All Known Implementing Classes:
    CacheEntryGetValueClosure, IdentityClosure
    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 org.apache.ignite.IgniteCompute#apply(IgniteClosure, Object) method.

    • Method Detail

      • apply

        R apply​(E e)
        Closure body.
        Parameters:
        e - Closure parameter.
        Returns:
        Closure return value.