RxJava

rx.util.functions
Class Functions

java.lang.Object
  rx.util.functions.Functions

public class Functions
extends java.lang.Object

Constructor Summary

Functions()

Method Summary

static <T> Func1<? super T,java.lang.Boolean>	alwaysFalse()
static <T> Func1<? super T,java.lang.Boolean>	alwaysTrue()
static FuncN<java.lang.Void>	fromAction(Action0 f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <T0> FuncN<java.lang.Void>	fromAction(Action1<? super T0> f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <T0,T1> FuncN<java.lang.Void>	fromAction(Action2<? super T0,? super T1> f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <T0,T1,T2> FuncN<java.lang.Void>	fromAction(Action3<? super T0,? super T1,? super T2> f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <R> FuncN<R>	fromFunc(Func0<? extends R> f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <T0,R> FuncN<R>	fromFunc(Func1<? super T0,? extends R> f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <T0,T1,R> FuncN<R>	fromFunc(Func2<? super T0,? super T1,? extends R> f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <T0,T1,T2,R> FuncN<R>	fromFunc(Func3<? super T0,? super T1,? super T2,? extends R> f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <T0,T1,T2,T3,R> FuncN<R>	fromFunc(Func4<? super T0,? super T1,? super T2,? super T3,? extends R> f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <T0,T1,T2,T3,T4,R> FuncN<R>	fromFunc(Func5<? super T0,? super T1,? super T2,? super T3,? super T4,? extends R> f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <T0,T1,T2,T3,T4,T5,R> FuncN<R>	fromFunc(Func6<? super T0,? super T1,? super T2,? super T3,? super T4,? super T5,? extends R> f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <T0,T1,T2,T3,T4,T5,T6,R> FuncN<R>	fromFunc(Func7<? super T0,? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? extends R> f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <T0,T1,T2,T3,T4,T5,T6,T7,R> FuncN<R>	fromFunc(Func8<? super T0,? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? extends R> f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <T0,T1,T2,T3,T4,T5,T6,T7,T8,R> FuncN<R>	fromFunc(Func9<? super T0,? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? extends R> f) Convert a function to FuncN to allow heterogeneous handling of functions with different arities.
static <T> Func1<T,T>	identity()
static <T> Func1<T,java.lang.Boolean>	not(Func1<? super T,java.lang.Boolean> predicate) Constructs a predicate that returns true for each input that the source predicate returns false for and vice versa.

Methods inherited from class java.lang.Object

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

Constructor Detail

Functions

public Functions()

Method Detail

fromFunc

public static <R> FuncN<R> fromFunc(Func0<? extends R> f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

fromFunc

public static <T0,R> FuncN<R> fromFunc(Func1<? super T0,? extends R> f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

fromFunc

public static <T0,T1,R> FuncN<R> fromFunc(Func2<? super T0,? super T1,? extends R> f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

fromFunc

public static <T0,T1,T2,R> FuncN<R> fromFunc(Func3<? super T0,? super T1,? super T2,? extends R> f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

fromFunc

public static <T0,T1,T2,T3,R> FuncN<R> fromFunc(Func4<? super T0,? super T1,? super T2,? super T3,? extends R> f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

fromFunc

public static <T0,T1,T2,T3,T4,R> FuncN<R> fromFunc(Func5<? super T0,? super T1,? super T2,? super T3,? super T4,? extends R> f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

fromFunc

public static <T0,T1,T2,T3,T4,T5,R> FuncN<R> fromFunc(Func6<? super T0,? super T1,? super T2,? super T3,? super T4,? super T5,? extends R> f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

fromFunc

public static <T0,T1,T2,T3,T4,T5,T6,R> FuncN<R> fromFunc(Func7<? super T0,? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? extends R> f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

fromFunc

public static <T0,T1,T2,T3,T4,T5,T6,T7,R> FuncN<R> fromFunc(Func8<? super T0,? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? extends R> f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

fromFunc

public static <T0,T1,T2,T3,T4,T5,T6,T7,T8,R> FuncN<R> fromFunc(Func9<? super T0,? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? extends R> f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

fromAction

public static FuncN<java.lang.Void> fromAction(Action0 f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

fromAction

public static <T0> FuncN<java.lang.Void> fromAction(Action1<? super T0> f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

fromAction

public static <T0,T1> FuncN<java.lang.Void> fromAction(Action2<? super T0,? super T1> f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

fromAction

public static <T0,T1,T2> FuncN<java.lang.Void> fromAction(Action3<? super T0,? super T1,? super T2> f)

Convert a function to FuncN to allow heterogeneous handling of functions with different arities.

Parameters:

f -

Returns:

FuncN

not

public static <T> Func1<T,java.lang.Boolean> not(Func1<? super T,java.lang.Boolean> predicate)

Constructs a predicate that returns true for each input that the source predicate returns false for and vice versa.

Parameters:

predicate - The source predicate to negate.

alwaysTrue

public static <T> Func1<? super T,java.lang.Boolean> alwaysTrue()

alwaysFalse

public static <T> Func1<? super T,java.lang.Boolean> alwaysFalse()

identity

public static <T> Func1<T,T> identity()