org.apache.commons.collections4.functors
Class ChainedClosure<E>

java.lang.Object
  org.apache.commons.collections4.functors.ChainedClosure<E>

All Implemented Interfaces:

Serializable, Closure<E>

public class ChainedClosure<E>
extends Object
implements Closure<E>, Serializable

Closure implementation that chains the specified closures together.

Since:

3.0

Version:

$Id: ChainedClosure.java 1479336 2013-05-05 15:06:50Z tn $

See Also:

Serialized Form

ChainedClosure

public ChainedClosure(Closure<? super E>... closures)

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

Parameters:

closures - the closures to chain, copied, no nulls

chainedClosure

public static <E> Closure<E> chainedClosure(Closure<? super E>... closures)

Factory method that performs validation and copies the parameter array.

Type Parameters:

E - the type that the closure acts on

Parameters:

closures - the closures to chain, copied, no nulls

Returns:

the chained closure

Throws:

IllegalArgumentException - if the closures array is null

IllegalArgumentException - if any closure in the array is null

chainedClosure

public static <E> Closure<E> chainedClosure(Collection<Closure<E>> closures)

Create a new Closure that calls each closure in turn, passing the result into the next closure. The ordering is that of the iterator() method on the collection.

Type Parameters:

E - the type that the closure acts on

Parameters:

closures - a collection of closures to chain

Returns:

the chained closure

Throws:

IllegalArgumentException - if the closures collection is null

IllegalArgumentException - if any closure in the collection is null

execute

public void execute(E input)

Execute a list of closures.

Specified by:

execute in interface Closure<E>

Parameters:

input - the input object passed to each closure

getClosures

public Closure<? super E>[] getClosures()

Gets the closures.

Returns:

a copy of the closures

Since:

3.1