Uses of Interface
org.apache.commons.collections4.Closure

Packages that use Closure

Package	Description
org.apache.commons.collections4	This package contains the interfaces and utilities shared across all the subpackages of this component.
org.apache.commons.collections4.functors	This package contains implementations of the Closure, Predicate, Transformer and Factory interfaces.

Uses of Closure in org.apache.commons.collections4

Methods in org.apache.commons.collections4 with type parameters of type Closure

Modifier and Type	Method	Description
static <T,C extends Closure<? super T>> T	CollectionUtils.forAllButLastDo(java.lang.Iterable<T> collection, C closure)	Deprecated. since 4.1, use IterableUtils.forEachButLast(Iterable, Closure) instead
static <T,C extends Closure<? super T>> T	CollectionUtils.forAllButLastDo(java.util.Iterator<T> iterator, C closure)	Deprecated. since 4.1, use IteratorUtils.forEachButLast(Iterator, Closure) instead
static <T,C extends Closure<? super T>> C	CollectionUtils.forAllDo(java.lang.Iterable<T> collection, C closure)	Deprecated. since 4.1, use IterableUtils.forEach(Iterable, Closure) instead
static <T,C extends Closure<? super T>> C	CollectionUtils.forAllDo(java.util.Iterator<T> iterator, C closure)	Deprecated. since 4.1, use IteratorUtils.forEach(Iterator, Closure) instead

Methods in org.apache.commons.collections4 that return Closure

Modifier and Type	Method	Description
static <E> Closure<E>	ClosureUtils.asClosure(Transformer<? super E,?> transformer)	Creates a Closure that calls a Transformer each time it is called.
static <E> Closure<E>	ClosureUtils.chainedClosure(java.util.Collection<? extends Closure<? super E>> closures)	Create a new Closure that calls each closure in turn, passing the result into the next closure.
static <E> Closure<E>	ClosureUtils.chainedClosure(Closure<? super E>... closures)	Create a new Closure that calls each closure in turn, passing the result into the next closure.
static <E> Closure<E>	ClosureUtils.doWhileClosure(Closure<? super E> closure, Predicate<? super E> predicate)	Creates a Closure that will call the closure once and then repeatedly until the predicate returns false.
static <E> Closure<E>	ClosureUtils.exceptionClosure()	Gets a Closure that always throws an exception.
static <E> Closure<E>	ClosureUtils.forClosure(int count, Closure<? super E> closure)	Creates a Closure that will call the closure count times.
static <E> Closure<E>	ClosureUtils.ifClosure(Predicate<? super E> predicate, Closure<? super E> trueClosure)	Create a new Closure that calls another closure based on the result of the specified predicate.
static <E> Closure<E>	ClosureUtils.ifClosure(Predicate<? super E> predicate, Closure<? super E> trueClosure, Closure<? super E> falseClosure)	Create a new Closure that calls one of two closures depending on the specified predicate.
static <E> Closure<E>	ClosureUtils.invokerClosure(java.lang.String methodName)	Creates a Closure that will invoke a specific method on the closure's input object by reflection.
static <E> Closure<E>	ClosureUtils.invokerClosure(java.lang.String methodName, java.lang.Class<?>[] paramTypes, java.lang.Object[] args)	Creates a Closure that will invoke a specific method on the closure's input object by reflection.
static <E> Closure<E>	ClosureUtils.nopClosure()	Gets a Closure that will do nothing.
static <E> Closure<E>	ClosureUtils.switchClosure(java.util.Map<Predicate<E>,Closure<E>> predicatesAndClosures)	Create a new Closure that calls one of the closures depending on the predicates.
static <E> Closure<E>	ClosureUtils.switchClosure(Predicate<? super E>[] predicates, Closure<? super E>[] closures)	Create a new Closure that calls one of the closures depending on the predicates.
static <E> Closure<E>	ClosureUtils.switchClosure(Predicate<? super E>[] predicates, Closure<? super E>[] closures, Closure<? super E> defaultClosure)	Create a new Closure that calls one of the closures depending on the predicates.
static <E> Closure<E>	ClosureUtils.switchMapClosure(java.util.Map<? extends E,Closure<E>> objectsAndClosures)	Create a new Closure that uses the input object as a key to find the closure to call.
static <E> Closure<E>	ClosureUtils.whileClosure(Predicate<? super E> predicate, Closure<? super E> closure)	Creates a Closure that will call the closure repeatedly until the predicate returns false.

Methods in org.apache.commons.collections4 with parameters of type Closure

Modifier and Type	Method	Description
static <T> Transformer<T,T>	TransformerUtils.asTransformer(Closure<? super T> closure)	Creates a Transformer that calls a Closure each time the transformer is used.
static <E> Closure<E>	ClosureUtils.chainedClosure(Closure<? super E>... closures)	Create a new Closure that calls each closure in turn, passing the result into the next closure.
static <E> Closure<E>	ClosureUtils.doWhileClosure(Closure<? super E> closure, Predicate<? super E> predicate)	Creates a Closure that will call the closure once and then repeatedly until the predicate returns false.
static <E> Closure<E>	ClosureUtils.forClosure(int count, Closure<? super E> closure)	Creates a Closure that will call the closure count times.
void	FluentIterable.forEach(Closure<? super E> closure)	Applies the closure to all elements contained in this iterable.
static <E> void	IterableUtils.forEach(java.lang.Iterable<E> iterable, Closure<? super E> closure)	Applies the closure to each element of the provided iterable.
static <E> void	IteratorUtils.forEach(java.util.Iterator<E> iterator, Closure<? super E> closure)	Applies the closure to each element of the provided iterator.
static <E> E	IterableUtils.forEachButLast(java.lang.Iterable<E> iterable, Closure<? super E> closure)	Executes the given closure on each but the last element in the iterable.
static <E> E	IteratorUtils.forEachButLast(java.util.Iterator<E> iterator, Closure<? super E> closure)	Executes the given closure on each but the last element in the iterator.
static <E> Closure<E>	ClosureUtils.ifClosure(Predicate<? super E> predicate, Closure<? super E> trueClosure)	Create a new Closure that calls another closure based on the result of the specified predicate.
static <E> Closure<E>	ClosureUtils.ifClosure(Predicate<? super E> predicate, Closure<? super E> trueClosure, Closure<? super E> falseClosure)	Create a new Closure that calls one of two closures depending on the specified predicate.
static <E> Closure<E>	ClosureUtils.switchClosure(Predicate<? super E>[] predicates, Closure<? super E>[] closures)	Create a new Closure that calls one of the closures depending on the predicates.
static <E> Closure<E>	ClosureUtils.switchClosure(Predicate<? super E>[] predicates, Closure<? super E>[] closures, Closure<? super E> defaultClosure)	Create a new Closure that calls one of the closures depending on the predicates.
static <E> Closure<E>	ClosureUtils.whileClosure(Predicate<? super E> predicate, Closure<? super E> closure)	Creates a Closure that will call the closure repeatedly until the predicate returns false.

Method parameters in org.apache.commons.collections4 with type arguments of type Closure

Modifier and Type	Method	Description
static <E> Closure<E>	ClosureUtils.chainedClosure(java.util.Collection<? extends Closure<? super E>> closures)	Create a new Closure that calls each closure in turn, passing the result into the next closure.
static <E> Closure<E>	ClosureUtils.switchClosure(java.util.Map<Predicate<E>,Closure<E>> predicatesAndClosures)	Create a new Closure that calls one of the closures depending on the predicates.
static <E> Closure<E>	ClosureUtils.switchMapClosure(java.util.Map<? extends E,Closure<E>> objectsAndClosures)	Create a new Closure that uses the input object as a key to find the closure to call.

Uses of Closure in org.apache.commons.collections4.functors

Classes in org.apache.commons.collections4.functors that implement Closure

Modifier and Type	Class	Description
class	CatchAndRethrowClosure<E>	Closure that catches any checked exception and re-throws it as a FunctorException runtime exception.
class	ChainedClosure<E>	Closure implementation that chains the specified closures together.
class	ExceptionClosure<E>	Closure implementation that always throws an exception.
class	ForClosure<E>	Closure implementation that calls another closure n times, like a for loop.
class	IfClosure<E>	Closure implementation acts as an if statement calling one or other closure based on a predicate.
class	NOPClosure<E>	Closure implementation that does nothing.
class	SwitchClosure<E>	Closure implementation calls the closure whose predicate returns true, like a switch statement.
class	TransformerClosure<E>	Closure implementation that calls a Transformer using the input object and ignore the result.
class	WhileClosure<E>	Closure implementation that executes a closure repeatedly until a condition is met, like a do-while or while loop.

Fields in org.apache.commons.collections4.functors declared as Closure

Modifier and Type	Field	Description
private Closure<? super T>	ClosureTransformer.iClosure	The closure to wrap
private Closure<? super E>	ForClosure.iClosure	The closure to call
private Closure<? super E>	WhileClosure.iClosure	The closure to call
private Closure<? super E>[]	ChainedClosure.iClosures	The closures to call in turn
private Closure<? super E>[]	SwitchClosure.iClosures	The matching closures to call
private Closure<? super E>	SwitchClosure.iDefault	The default closure to call if no tests match
private Closure<? super E>	IfClosure.iFalseClosure	The closure to use if false
static Closure	ExceptionClosure.INSTANCE	Singleton predicate instance
static Closure	NOPClosure.INSTANCE	Singleton predicate instance
private Closure<? super E>	IfClosure.iTrueClosure	The closure to use if true

Methods in org.apache.commons.collections4.functors that return Closure

Modifier and Type	Method	Description
static <E> Closure<E>	ChainedClosure.chainedClosure(java.util.Collection<? extends Closure<? super E>> closures)	Create a new Closure that calls each closure in turn, passing the result into the next closure.
static <E> Closure<E>	ChainedClosure.chainedClosure(Closure<? super E>... closures)	Factory method that performs validation and copies the parameter array.
(package private) static <T> Closure<T>	FunctorUtils.coerce(Closure<? super T> closure)	A very simple method that coerces Closure to Closure.
(package private) static <E> Closure<E>[]	FunctorUtils.copy(Closure<? super E>... closures)	Clone the closures to ensure that the internal reference can't be messed with.
static <E> Closure<E>	ExceptionClosure.exceptionClosure()	Factory returning the singleton instance.
static <E> Closure<E>	ForClosure.forClosure(int count, Closure<? super E> closure)	Factory method that performs validation.
Closure<? super T>	ClosureTransformer.getClosure()	Gets the closure.
Closure<? super E>	ForClosure.getClosure()	Gets the closure.
Closure<? super E>	WhileClosure.getClosure()	Gets the closure.
Closure<? super E>[]	ChainedClosure.getClosures()	Gets the closures.
Closure<? super E>[]	SwitchClosure.getClosures()	Gets the closures.
Closure<? super E>	SwitchClosure.getDefaultClosure()	Gets the default closure.
Closure<? super E>	IfClosure.getFalseClosure()	Gets the closure called when false.
Closure<? super E>	IfClosure.getTrueClosure()	Gets the closure called when true.
static <E> Closure<E>	IfClosure.ifClosure(Predicate<? super E> predicate, Closure<? super E> trueClosure)	Factory method that performs validation.
static <E> Closure<E>	IfClosure.ifClosure(Predicate<? super E> predicate, Closure<? super E> trueClosure, Closure<? super E> falseClosure)	Factory method that performs validation.
static <E> Closure<E>	NOPClosure.nopClosure()	Factory returning the singleton instance.
static <E> Closure<E>	SwitchClosure.switchClosure(java.util.Map<Predicate<E>,Closure<E>> predicatesAndClosures)	Create a new Closure that calls one of the closures depending on the predicates.
static <E> Closure<E>	SwitchClosure.switchClosure(Predicate<? super E>[] predicates, Closure<? super E>[] closures, Closure<? super E> defaultClosure)	Factory method that performs validation and copies the parameter arrays.
static <E> Closure<E>	TransformerClosure.transformerClosure(Transformer<? super E,?> transformer)	Factory method that performs validation.
static <E> Closure<E>	WhileClosure.whileClosure(Predicate<? super E> predicate, Closure<? super E> closure, boolean doLoop)	Factory method that performs validation.

Methods in org.apache.commons.collections4.functors with parameters of type Closure

Modifier and Type	Method	Description
static <E> Closure<E>	ChainedClosure.chainedClosure(Closure<? super E>... closures)	Factory method that performs validation and copies the parameter array.
static <T> Transformer<T,T>	ClosureTransformer.closureTransformer(Closure<? super T> closure)	Factory method that performs validation.
(package private) static <T> Closure<T>	FunctorUtils.coerce(Closure<? super T> closure)	A very simple method that coerces Closure to Closure.
(package private) static <E> Closure<E>[]	FunctorUtils.copy(Closure<? super E>... closures)	Clone the closures to ensure that the internal reference can't be messed with.
static <E> Closure<E>	ForClosure.forClosure(int count, Closure<? super E> closure)	Factory method that performs validation.
static <E> Closure<E>	IfClosure.ifClosure(Predicate<? super E> predicate, Closure<? super E> trueClosure)	Factory method that performs validation.
static <E> Closure<E>	IfClosure.ifClosure(Predicate<? super E> predicate, Closure<? super E> trueClosure, Closure<? super E> falseClosure)	Factory method that performs validation.
static <E> Closure<E>	SwitchClosure.switchClosure(Predicate<? super E>[] predicates, Closure<? super E>[] closures, Closure<? super E> defaultClosure)	Factory method that performs validation and copies the parameter arrays.
(package private) static void	FunctorUtils.validate(Closure<?>... closures)	Validate the closures to ensure that all is well.
static <E> Closure<E>	WhileClosure.whileClosure(Predicate<? super E> predicate, Closure<? super E> closure, boolean doLoop)	Factory method that performs validation.

Method parameters in org.apache.commons.collections4.functors with type arguments of type Closure

Modifier and Type	Method	Description
static <E> Closure<E>	ChainedClosure.chainedClosure(java.util.Collection<? extends Closure<? super E>> closures)	Create a new Closure that calls each closure in turn, passing the result into the next closure.
static <E> Closure<E>	SwitchClosure.switchClosure(java.util.Map<Predicate<E>,Closure<E>> predicatesAndClosures)	Create a new Closure that calls one of the closures depending on the predicates.

Constructors in org.apache.commons.collections4.functors with parameters of type Closure

Constructor	Description
ChainedClosure(boolean clone, Closure<? super E>... closures)	Hidden constructor for the use by the static factory methods.
ChainedClosure(Closure<? super E>... closures)	Constructor that performs no validation.
ClosureTransformer(Closure<? super T> closure)	Constructor that performs no validation.
ForClosure(int count, Closure<? super E> closure)	Constructor that performs no validation.
IfClosure(Predicate<? super E> predicate, Closure<? super E> trueClosure)	Constructor that performs no validation.
IfClosure(Predicate<? super E> predicate, Closure<? super E> trueClosure, Closure<? super E> falseClosure)	Constructor that performs no validation.
SwitchClosure(boolean clone, Predicate<? super E>[] predicates, Closure<? super E>[] closures, Closure<? super E> defaultClosure)	Hidden constructor for the use by the static factory methods.
SwitchClosure(Predicate<? super E>[] predicates, Closure<? super E>[] closures, Closure<? super E> defaultClosure)	Constructor that performs no validation.
WhileClosure(Predicate<? super E> predicate, Closure<? super E> closure, boolean doLoop)	Constructor that performs no validation.