rmuir commented on code in PR #816:
URL: https://github.com/apache/lucene/pull/816#discussion_r855131404
##########
lucene/core/src/java/org/apache/lucene/util/CloseableThreadLocal.java:
##########
@@ -123,12 +122,34 @@ public void close() {
// Clear the hard refs; then, the only remaining refs to
// all values we were storing are weak (unless somewhere
// else is still using them) and so GC may reclaim them:
- hardRefs = null;
- // Take care of the current thread right now; others will be
- // taken care of via the WeakReferences.
- if (t != null) {
- t.remove();
+ synchronized (lock) {
+ if (perThreadValues == null) {
+ return;
+ }
+
+ perThreadValues.clear();
+ perThreadValues = null;
+ }
+ }
+
+
+ /**
+ * Visible to test.
+ *
+ * @return per-thread values map.
+ */
+ Map<String,T> getValuesAfterPurge() {
+ Map<String, T> values = new HashMap<>();
Review Comment:
the CI build failed, i think we need to `import java.util.HashMap`?
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