com.threerings.gwt.util

Class Functions

java.lang.Object

com.threerings.gwt.util.Functions

public class Functions
extends Object

A collection of general purpose functions. To be replaced by Google Collections when same is usable via GWT.

Field Summary

Fields

Modifier and Type	Field and Description
static Function<Boolean,Boolean>	NOT Implements boolean not.

Constructor Summary

Constructors

Constructor and Description
Functions()

Method Summary

Methods

Modifier and Type	Method and Description
static <K,V> Function<K,V>	forMap(Map<K,? extends V> map, V defaultValue) Returns a function which performs a map lookup with a default value.
static <T> Function<T,Boolean>	forPredicate(Predicate<T> predicate) Returns a function that returns the same boolean output as the given predicate for all inputs.

Methods inherited from class java.lang.Object

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

Field Detail

NOT

public static Function<Boolean,Boolean> NOT

Implements boolean not.

Constructor Detail

Functions

public Functions()

Method Detail

forMap

public static <K,V> Function<K,V> forMap(Map<K,? extends V> map,
                         V defaultValue)

Returns a function which performs a map lookup with a default value. The function created by this method returns defaultValue for all inputs that do not belong to the map's key set.

forPredicate

public static <T> Function<T,Boolean> forPredicate(Predicate<T> predicate)

Returns a function that returns the same boolean output as the given predicate for all inputs.