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7175464: entrySetView field is never updated in NavigableSubMap

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The method entrySet() in AscendingSubMap and DescendingSubMap failed to cache the entrySetView.

Reviewed-by: alanb, psandoz
This commit is contained in:
Mike Duigou 2012-11-29 14:07:47 -08:00
parent 79727a83aa
commit 1cf41521cc
1 changed files with 2 additions and 2 deletions
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4
jdk/src/share/classes/java/util/TreeMap.java
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@ -1759,7 +1759,7 @@ public class TreeMap<K,V>
public Set<Map.Entry<K,V>> entrySet() { public Set<Map.Entry<K,V>> entrySet() {
EntrySetView es = entrySetView; EntrySetView es = entrySetView;
return (es != null) ? es : new AscendingEntrySetView(); return (es != null) ? es : (entrySetView = new AscendingEntrySetView());
} }
TreeMap.Entry<K,V> subLowest() { return absLowest(); } TreeMap.Entry<K,V> subLowest() { return absLowest(); }
@ -1840,7 +1840,7 @@ public class TreeMap<K,V>
public Set<Map.Entry<K,V>> entrySet() { public Set<Map.Entry<K,V>> entrySet() {
EntrySetView es = entrySetView; EntrySetView es = entrySetView;
return (es != null) ? es : new DescendingEntrySetView(); return (es != null) ? es : (entrySetView = new DescendingEntrySetView());
} }
TreeMap.Entry<K,V> subLowest() { return absHighest(); } TreeMap.Entry<K,V> subLowest() { return absHighest(); }