Package org.apache.commons.collections4

Interface Closure<T>

Type Parameters:
T - The type of the input to the operation.
All Superinterfaces:
Consumer<T>
All Known Implementing Classes:
CatchAndRethrowClosure, ChainedClosure, ExceptionClosure, ForClosure, IfClosure, NOPClosure, SwitchClosure, TransformerClosure, WhileClosure
public interface Closure<T> extends Consumer<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 This will be deprecated in 5.0 in favor of Supplier.

  • Method Summary

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

    Methods inherited from interface java.util.function.Consumer

    andThen