dev.nokee.utils

Class ActionUtils

java.lang.Object

dev.nokee.utils.ActionUtils

public final class ActionUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ActionUtils.Action<T>

Constructor Summary

Constructors

Constructor and Description
ActionUtils()

Method Summary

Modifier and Type	Method and Description
static <T> ActionUtils.Action<T>	composite(Action<? super T>... actions)
static <T> ActionUtils.Action<T>	composite(Iterable<? extends Action<? super T>> actions)
static boolean	doesSomething(Action<?> action)
static <T> ActionUtils.Action<T>	doNothing() Creates an action implementation that simply does nothing.
static <T> ActionUtils.Action<T>	onlyIf(Spec<? super T> spec, Action<? super T> action) Returns an action delegating to the specified action only if the spec is satisfied by the object passed during execution.

Methods inherited from class java.lang.Object

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

Constructor Detail

ActionUtils

public ActionUtils()

Method Detail

doNothing

public static <T> ActionUtils.Action<T> doNothing()

Creates an action implementation that simply does nothing.

Returns:

an action object with an empty implementation, never null.

composite

@SafeVarargs
public static <T> ActionUtils.Action<T> composite(Action<? super T>... actions)

composite

public static <T> ActionUtils.Action<T> composite(Iterable<? extends Action<? super T>> actions)

doesSomething

public static boolean doesSomething(Action<?> action)

onlyIf

public static <T> ActionUtils.Action<T> onlyIf(Spec<? super T> spec,
                                               Action<? super T> action)

Returns an action delegating to the specified action only if the spec is satisfied by the object passed during execution.

Type Parameters:

T - the type of the executing objects.

Parameters:

spec - a spec to filter the executing objects.

action - an action to delegate to when the spec is satisfied.

Returns:

an action delegating to the specified action only if the spec is satisfied at execution, never null.