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[performance optimization] no equals / hashCode invokations for V during deserialization

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Maxim.Mossienko
2015-02-23 11:14:40 +01:00
parent acfac818ae
commit eec0685456
1 changed files with 10 additions and 6 deletions
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platform/lang-impl/src/com/intellij/util/indexing/ValueContainerImpl.java
+10 -6
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@@ -390,8 +390,8 @@ class ValueContainerImpl<Value> extends UpdatableValueContainer<Value> implement
return container;
}
private void ensureFileSetCapacityForValue(Value value, int count) {
if (count <= 1) return;
private @Nullable ChangeBufferingList ensureFileSetCapacityForValue(Value value, int count) {
if (count <= 1) return null;
Object fileSetObject = getFileSetObject(value);
if (fileSetObject != null) {
@@ -399,15 +399,18 @@ class ValueContainerImpl<Value> extends UpdatableValueContainer<Value> implement
ChangeBufferingList list = new ChangeBufferingList(count + 1);
list.add(((Integer)fileSetObject).intValue());
resetFileSetForValue(value, list);
return list;
} else if (fileSetObject instanceof ChangeBufferingList) {
ChangeBufferingList list = (ChangeBufferingList)fileSetObject;
list.ensureCapacity(count);
return list;
}
return;
return null;
}
final Object fileSet = new ChangeBufferingList(count);
final ChangeBufferingList fileSet = new ChangeBufferingList(count);
attachFileSetForNewValue(value, fileSet);
return fileSet;
}
private void attachFileSetForNewValue(Value value, Object fileSet) {
@@ -551,12 +554,13 @@ class ValueContainerImpl<Value> extends UpdatableValueContainer<Value> implement
if (mapping != null) mapping.associateFileIdToValue(idCountOrSingleValue, value);
} else {
idCountOrSingleValue = -idCountOrSingleValue;
ensureFileSetCapacityForValue(value, idCountOrSingleValue);
ChangeBufferingList changeBufferingList = ensureFileSetCapacityForValue(value, idCountOrSingleValue);
int prev = 0;
for (int i = 0; i < idCountOrSingleValue; i++) {
final int id = DataInputOutputUtil.readINT(stream);
addValue(prev + id, value);
if (changeBufferingList != null) changeBufferingList.add(prev + id);
else addValue(prev + id, value);
if (mapping != null) mapping.associateFileIdToValue(prev + id, value);
prev += id;
}