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avoid Map.Entry instances creation:

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gnu.trove.THashMap$EntryView$EntryIterator.objectAtIndex: 1,354,005,709,608 (10.80%) bytes in 56,416,904,567 (15.09%) objects (avg size 24 bytes)
 	gnu.trove.THashMap$Entry: 1,354,005,709,608 (10.80%) bytes in 56,416,904,567 (15.09%) objects (avg size 24 bytes)
This commit is contained in:
Maxim.Mossienko
2014-11-03 13:13:55 +01:00
parent 4d6b76ad64
commit 88b3ecdc6f
1 changed files with 8 additions and 4 deletions
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platform/lang-impl/src/com/intellij/util/indexing/ValueContainerImpl.java
+8 -4
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@@ -184,8 +184,10 @@ class ValueContainerImpl<Value> extends UpdatableValueContainer<Value> implement
};
} else {
return new ValueIterator<Value>() {
private Map.Entry<Value, Object> current;
final Iterator<Map.Entry<Value, Object>> iterator = ((THashMap<Value, Object>)myInputIdMapping).entrySet().iterator();
private Value current;
private Object currentValue;
private final THashMap<Value, Object> myMapping = ((THashMap<Value, Object>)myInputIdMapping);
private final Iterator<Value> iterator = myMapping.keySet().iterator();
@Override
public boolean hasNext() {
@@ -194,7 +196,9 @@ class ValueContainerImpl<Value> extends UpdatableValueContainer<Value> implement
@Override
public Value next() {
Value next = (current = iterator.next()).getKey();
current = iterator.next();
Value next = current;
currentValue = myMapping.get(next);
if (next == myNullValue) next = null;
return next;
}
@@ -219,7 +223,7 @@ class ValueContainerImpl<Value> extends UpdatableValueContainer<Value> implement
@Override
public Object getFileSetObject() {
if (current == null) throw new IllegalStateException();
return current.getValue();
return currentValue;
}
};
}