dungba88 commented on code in PR #12624:
URL: https://github.com/apache/lucene/pull/12624#discussion_r1350439623
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lucene/core/src/java/org/apache/lucene/util/fst/BytesStore.java:
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@@ -21,19 +21,18 @@
import java.util.List;
import org.apache.lucene.store.DataInput;
import org.apache.lucene.store.DataOutput;
-import org.apache.lucene.util.Accountable;
import org.apache.lucene.util.RamUsageEstimator;
// TODO: merge with PagedBytes, except PagedBytes doesn't
// let you read while writing which FST needs
-class BytesStore extends DataOutput implements Accountable {
+class BytesStore extends FSTWriter {
Review Comment:
An alternative way is to always use BytesStore for in-mem operator, then
delegating the final write to a DataOutput, (which could also be supported by
this approach as well). But then, it would have a problem:
- If someone wants to use an in-mem DataOutput, they would need an extra
write (one to the BytesStore and one to the in-mem DataOutput) and thus less
efficient.
The approach in this PR would allow one to use either in-mem with
BytesStore, or hybrid of in-mem & other DataOutput.
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