ibessonov commented on code in PR #5670:
URL: https://github.com/apache/ignite-3/pull/5670#discussion_r2054594894
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modules/metastorage/src/main/java/org/apache/ignite/internal/metastorage/server/ReadOperationForCompactionTracker.java:
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@@ -48,56 +50,82 @@ public class ReadOperationForCompactionTracker {
private final AtomicLong longOperationIdGenerator = new AtomicLong();
- /** Generates the next read operation ID. Thread-safe. */
- public long generateReadOperationId() {
- return longOperationIdGenerator.getAndIncrement();
+ /**
+ * Token to stop tracking the read operation.
+ *
+ * @see #track(long, LongSupplier, LongSupplier)
+ */
+ @FunctionalInterface
+ public interface TrackingToken extends AutoCloseable {
+ @Override
+ void close();
}
/**
* Starts tracking the completion of a read operation on its lowest
estimation for revision upper bound.
*
- * <p>Method is expected not to be called more than once for the same
arguments.</p>
- *
* <p>Expected usage pattern:</p>
* <pre><code>
- * Object readOperationId = ...;
* int operationRevision = ...;
*
- * tracker.track(readOperationId, operationRevision);
- *
- * try {
+ * try (var token = tracker.track(operationRevision,
storage::revision, storage::getCompactionRevision)) {
Review Comment:
Please elaborate on your confusion. Maybe I just need to add something to
the comment
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