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less garbage during indexing

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This commit is contained in:
Maxim.Mossienko
2011-11-30 17:53:29 +04:00
parent 7ba53961b7
commit b5fbd84387
1 changed files with 31 additions and 20 deletions
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platform/core-impl/src/com/intellij/psi/stubs/StubTree.java
+31 -20
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@@ -19,6 +19,7 @@
*/
package com.intellij.psi.stubs;
import gnu.trove.THashMap;
import gnu.trove.TIntArrayList;
import org.jetbrains.annotations.NotNull;
@@ -57,30 +58,40 @@ public class StubTree {
public Map<StubIndexKey, Map<Object, TIntArrayList>> indexStubTree() {
final Map<StubIndexKey, Map<Object, TIntArrayList>> result = new HashMap<StubIndexKey, Map<Object, TIntArrayList>>();
SerializationManager serializationManager = SerializationManager.getInstance();
StubIndexSink sink = new StubIndexSink(result);
for (int i = 0, plainListSize = myPlainList.size(); i < plainListSize; i++) {
final StubElement<?> stub = myPlainList.get(i);
final StubSerializer serializer = SerializationManager.getInstance().getSerializer(stub);
final int stubIdx = i;
//noinspection unchecked
serializer.indexStub(stub, new IndexSink() {
@Override
public void occurrence(@NotNull final StubIndexKey indexKey, @NotNull final Object value) {
Map<Object, TIntArrayList> map = result.get(indexKey);
if (map == null) {
map = new HashMap<Object, TIntArrayList>();
result.put(indexKey, map);
}
TIntArrayList list = map.get(value);
if (list == null) {
list = new TIntArrayList();
map.put(value, list);
}
list.add(stubIdx);
}
});
sink.myStubIdx = i;
serializationManager.getSerializer(stub).indexStub(stub, sink);
}
return result;
}
private static class StubIndexSink implements IndexSink {
private final Map<StubIndexKey, Map<Object, TIntArrayList>> myResult;
private int myStubIdx;
public StubIndexSink(Map<StubIndexKey, Map<Object, TIntArrayList>> result) {
myResult = result;
}
@Override
public void occurrence(@NotNull final StubIndexKey indexKey, @NotNull final Object value) {
Map<Object, TIntArrayList> map = myResult.get(indexKey);
if (map == null) {
map = new THashMap<Object, TIntArrayList>();
myResult.put(indexKey, map);
}
TIntArrayList list = map.get(value);
if (list == null) {
list = new TIntArrayList();
map.put(value, list);
}
list.add(myStubIdx);
}
}
}