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 java.lang.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

equals, 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