org.apache.commons.collections4.functors

Class ForClosure<E>

java.lang.Object

org.apache.commons.collections4.functors.ForClosure<E>

All Implemented Interfaces:

Closure<E>

public class ForClosure<E>
extends Object
implements Closure<E>

Closure implementation that calls another closure n times, like a for loop.

WARNING: from v4.1 onwards this class will not be serializable anymore in order to prevent potential remote code execution exploits. Please refer to COLLECTIONS-580 for more details.

Since:

3.0

Constructor Summary

Constructors

Constructor and Description
ForClosure(int count, Closure<? super E> closure) Constructor that performs no validation.

Method Summary

Modifier and Type	Method and Description
void	execute(E input) Executes the closure count times.
static <E> Closure<E>	forClosure(int count, Closure<? super E> closure) Factory method that performs validation.
Closure<? super E>	getClosure() Gets the closure.
int	getCount() Gets the count.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ForClosure

public ForClosure(int count,
                  Closure<? super E> closure)

Constructor that performs no validation. Use forClosure if you want that.

Parameters:

count - the number of times to execute the closure

closure - the closure to execute, not null

Method Detail

forClosure

public static <E> Closure<E> forClosure(int count,
                                        Closure<? super E> closure)

Factory method that performs validation.

A null closure or zero count returns the NOPClosure. A count of one returns the specified closure.

Type Parameters:

E - the type that the closure acts on

Parameters:

count - the number of times to execute the closure

closure - the closure to execute, not null

Returns:

the for closure

execute

public void execute(E input)

Executes the closure count times.

Specified by:

execute in interface Closure<E>

Parameters:

input - the input object

getClosure

public Closure<? super E> getClosure()

Gets the closure.

Returns:

the closure

Since:

3.1

getCount

public int getCount()

Gets the count.

Returns:

the count

Since:

3.1