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javac ast indices: improve index update performance

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This commit is contained in:
Dmitry Batkovich
2016-10-21 17:38:15 +03:00
parent 8c849525c5
commit ff2b75972f
1 changed files with 18 additions and 5 deletions
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jps/jps-builders/src/org/jetbrains/jps/backwardRefs/BackwardReferenceIndexWriter.java
+18 -5
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@@ -34,10 +34,7 @@ import org.jetbrains.jps.model.java.compiler.JavaCompilers;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.*;
import static com.sun.tools.javac.code.Flags.PRIVATE;
@@ -213,7 +210,23 @@ public class BackwardReferenceIndexWriter {
private void updateHierarchyIndicesIncrementally(final CompilerBackwardReferenceIndex.LightDefinition classId, LightRef.JavaLightClassRef[] superIds) {
final Collection<LightRef> rawOldSupers = myIndex.getHierarchyMap().get(classId);
Set<LightRef> oldSuperClasses = rawOldSupers == null ? null : new THashSet<LightRef>(rawOldSupers);
Set<LightRef> oldSuperClasses;
if (rawOldSupers == null) {
oldSuperClasses = null;
}
else {
if (superIds.length == rawOldSupers.size()) {
boolean needUpdate = false;
for (LightRef.JavaLightClassRef id : superIds) {
if (!rawOldSupers.contains(id)) {
needUpdate = true;
break;
}
}
if (!needUpdate) return;
}
oldSuperClasses = new THashSet<LightRef>(rawOldSupers);
}
for (LightRef.JavaLightClassRef superId: superIds) {
if (oldSuperClasses == null || !oldSuperClasses.remove(superId)) {
myIndex.getBackwardHierarchyMap().put(superId, classId);