[COLLECTIONS-663] Update AbstractMultiValuedMap asMap() #110
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dota17
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garydgregory
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Apr 29, 2020
| @@ -879,7 +879,8 @@ public boolean remove(final Object o) { | |||
| public Map.Entry<K, Collection<V>> next() { | |||
| final Map.Entry<K, Collection<V>> entry = super.next(); | |||
| final K key = entry.getKey(); | |||
| return new UnmodifiableMapEntry<>(key, wrappedCollection(key)); | |||
| final Collection<V> value = entry.getValue(); | |||
| return new UnmodifiableMapEntry<>(key, value); | |||
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You can just inline key and value IMO.
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[COLLECTIONS-663] https://issues.apache.org/jira/browse/COLLECTIONS-663
Hi:
I think the representation of Multimap is {1: A, 1: B, 2: C}. So when A and B are deleted, only {2: C} is left. And asMap() method returns a map in the form of {1：[A, B], 2：[C]}. In this map, {1：[], 2:[C]} is left when A and B are deleted. So wrappedCollection(key) should not be used。 It willl show as {1: A, 1: B, 2: C} when wrappedCollection(key) is used, and the asMap() method does not make sense.