RxJava

rx.operators
Class OperationDistinct

java.lang.Object
  rx.operators.OperationDistinct

public final class OperationDistinct
extends java.lang.Object

Returns an Observable that emits all distinct items emitted by the source. Be careful with this operation when using infinite or very large observables as it has to store all distinct values it has received.

Constructor Summary

OperationDistinct()

Method Summary

static <T> Observable.OnSubscribeFunc<T>	distinct(Observable<? extends T> source) Returns an Observable that emits all distinct items emitted by the source
static <T> Observable.OnSubscribeFunc<T>	distinct(Observable<? extends T> source, java.util.Comparator<T> equalityComparator) Returns an Observable that emits all distinct items emitted by the source
static <T,U> Observable.OnSubscribeFunc<T>	distinct(Observable<? extends T> source, Func1<? super T,? extends U> keySelector) Returns an Observable that emits all distinct items emitted by the source
static <T,U> Observable.OnSubscribeFunc<T>	distinct(Observable<? extends T> source, Func1<? super T,? extends U> keySelector, java.util.Comparator<U> equalityComparator) Returns an Observable that emits all distinct items emitted by the source

Methods inherited from class java.lang.Object

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

Constructor Detail

OperationDistinct

public OperationDistinct()

Method Detail

distinct

public static <T,U> Observable.OnSubscribeFunc<T> distinct(Observable<? extends T> source,
                                                           Func1<? super T,? extends U> keySelector)

Returns an Observable that emits all distinct items emitted by the source

Parameters:

source - The source Observable to emit the distinct items for.

Returns:

A subscription function for creating the target Observable.

distinct

public static <T> Observable.OnSubscribeFunc<T> distinct(Observable<? extends T> source,
                                                         java.util.Comparator<T> equalityComparator)

Returns an Observable that emits all distinct items emitted by the source

Parameters:

source - The source Observable to emit the distinct items for.

equalityComparator - The comparator to use for deciding whether to consider two items as equal or not.

Returns:

A subscription function for creating the target Observable.

distinct

public static <T,U> Observable.OnSubscribeFunc<T> distinct(Observable<? extends T> source,
                                                           Func1<? super T,? extends U> keySelector,
                                                           java.util.Comparator<U> equalityComparator)

Returns an Observable that emits all distinct items emitted by the source

Parameters:

source - The source Observable to emit the distinct items for.

equalityComparator - The comparator to use for deciding whether to consider the two item keys as equal or not.

Returns:

A subscription function for creating the target Observable.

distinct

public static <T> Observable.OnSubscribeFunc<T> distinct(Observable<? extends T> source)

Returns an Observable that emits all distinct items emitted by the source

Parameters:

source - The source Observable to emit the distinct items for.

Returns:

A subscription function for creating the target Observable.