Package org.apache.commons.collections4

Interface Closure<T>

Type Parameters:
T - the type that the closure acts on
All Known Implementing Classes:
CatchAndRethrowClosure, ChainedClosure, ExceptionClosure, ForClosure, IfClosure, NOPClosure, SwitchClosure, TransformerClosure, WhileClosure
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public interface Closure<T>
Defines a functor interface implemented by classes that do something.

A Closure represents a block of code which is executed from inside some block, function or iteration. It operates an input object.

Standard implementations of common closures are provided by ClosureUtils. These include method invocation and for/while loops.

Since:
1.0

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    execute(T input)
    Performs an action on the specified input object.