## 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 and Description
    --- | ---
    `static <T,C extends Closure<? super T>> T` | CollectionUtils.`forAllButLastDo(Iterable<T> collection, C closure)` Executes the given closure on each but the last element in the collection.
    `static <T,C extends Closure<? super T>> T` | CollectionUtils.`forAllButLastDo(Iterator<T> iterator, C closure)` Executes the given closure on each but the last element in the collection.
    `static <T,C extends Closure<? super T>> C` | CollectionUtils.`forAllDo(Iterable<T> collection, C closure)` Executes the given closure on each element in the collection.
    `static <T,C extends Closure<? super T>> C` | CollectionUtils.`forAllDo(Iterator<T> iterator, C closure)` Executes the given closure on each element in the collection.

    Methods in org.apache.commons.collections4 that return Closure
    Modifier and Type | Method and 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(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(Collection<Closure<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(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(String methodName, Class<?>[] paramTypes, 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(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(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 and 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.
    `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.`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.`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 and Description
    --- | ---
    `static <E> Closure<E>` | ClosureUtils.`chainedClosure(Collection<Closure<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(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(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 and 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 and Description
    --- | ---
    `static Closure` | NOPClosure.`INSTANCE` Singleton predicate instance
    `static Closure` | ExceptionClosure.`INSTANCE` Singleton predicate instance

    Methods in org.apache.commons.collections4.functors that return Closure
    Modifier and Type | Method and Description
    --- | ---
    `static <E> Closure<E>` | ChainedClosure.`chainedClosure(Closure<? super E>... closures)` Factory method that performs validation and copies the parameter array.
    `static <E> Closure<E>` | ChainedClosure.`chainedClosure(Collection<Closure<E>> closures)` Create a new Closure that calls each closure in turn, passing the result into the next closure.
    `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 E>` | WhileClosure.`getClosure()` Gets the closure.
    `Closure<? super T>` | ClosureTransformer.`getClosure()` Gets the closure.
    `Closure<? super E>` | ForClosure.`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(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 and 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.
    `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>` | 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.
    `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>` | 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 and Description
    --- | ---
    `static <E> Closure<E>` | ChainedClosure.`chainedClosure(Collection<Closure<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(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 and Description
    `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.
    `IfClosure(Predicate<? super E> predicate, Closure<? super E> trueClosure, Closure<? super E> falseClosure)` Constructor that performs no validation.
    `SwitchClosure(Predicate<? super E>[] predicates, Closure<? super E>[] closures, Closure<? super E> defaultClosure)` Constructor that performs no validation.
    `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.

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