rx.operators

Class OperatorToMultimap<T,K,V>

java.lang.Object

rx.operators.OperatorToMultimap<T,K,V>

All Implemented Interfaces:

Func1<Subscriber<? super java.util.Map<K,java.util.Collection<V>>>,Subscriber<? super T>>, Function, Observable.Operator<java.util.Map<K,java.util.Collection<V>>,T>

public final class OperatorToMultimap<T,K,V>
extends java.lang.Object
implements Observable.Operator<java.util.Map<K,java.util.Collection<V>>,T>

Maps the elements of the source observable into a multimap (Map<K, Collection<V>>) where each key entry has a collection of the source's values.

See Also:

Issue #97

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OperatorToMultimap.DefaultMultimapCollectionFactory<K,V> The default collection factory for a key in the multimap returning an ArrayList independent of the key.
static class	OperatorToMultimap.DefaultToMultimapFactory<K,V> The default multimap factory returning a HashMap.

Constructor Summary

Constructors

Constructor and Description
OperatorToMultimap(Func1<? super T,? extends K> keySelector, Func1<? super T,? extends V> valueSelector) ToMultimap with key selector, custom value selector, default HashMap factory and default ArrayList collection factory.
OperatorToMultimap(Func1<? super T,? extends K> keySelector, Func1<? super T,? extends V> valueSelector, Func0<? extends java.util.Map<K,java.util.Collection<V>>> mapFactory) ToMultimap with key selector, custom value selector, custom Map factory and default ArrayList collection factory.
OperatorToMultimap(Func1<? super T,? extends K> keySelector, Func1<? super T,? extends V> valueSelector, Func0<? extends java.util.Map<K,java.util.Collection<V>>> mapFactory, Func1<? super K,? extends java.util.Collection<V>> collectionFactory) ToMultimap with key selector, custom value selector, custom Map factory and custom collection factory.

Method Summary

Methods

Modifier and Type	Method and Description
Subscriber<? super T>	call(Subscriber<? super java.util.Map<K,java.util.Collection<V>>> subscriber)

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorToMultimap

public OperatorToMultimap(Func1<? super T,? extends K> keySelector,
                  Func1<? super T,? extends V> valueSelector)

ToMultimap with key selector, custom value selector, default HashMap factory and default ArrayList collection factory.

OperatorToMultimap

public OperatorToMultimap(Func1<? super T,? extends K> keySelector,
                  Func1<? super T,? extends V> valueSelector,
                  Func0<? extends java.util.Map<K,java.util.Collection<V>>> mapFactory)

ToMultimap with key selector, custom value selector, custom Map factory and default ArrayList collection factory.

OperatorToMultimap

public OperatorToMultimap(Func1<? super T,? extends K> keySelector,
                  Func1<? super T,? extends V> valueSelector,
                  Func0<? extends java.util.Map<K,java.util.Collection<V>>> mapFactory,
                  Func1<? super K,? extends java.util.Collection<V>> collectionFactory)

ToMultimap with key selector, custom value selector, custom Map factory and custom collection factory.

Method Detail

call

public Subscriber<? super T> call(Subscriber<? super java.util.Map<K,java.util.Collection<V>>> subscriber)

Specified by:

call in interface Func1<Subscriber<? super java.util.Map<K,java.util.Collection<V>>>,Subscriber<? super T>>