swamirishi commented on code in PR #8203:
URL: https://github.com/apache/ozone/pull/8203#discussion_r2045909622
##########
hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/utils/db/RDBStoreAbstractIterator.java:
##########
@@ -78,38 +82,50 @@ final RAW getPrefix() {
@Override
public final void forEachRemaining(
- Consumer<? super Table.KeyValue<RAW, RAW>> action) {
+ Consumer<? super UncheckedAutoCloseableSupplier<RawKeyValue<RAW>>>
action) {
while (hasNext()) {
- action.accept(next());
+ UncheckedAutoCloseableSupplier<RawKeyValue<RAW>> entry = next();
+ action.accept(entry);
}
}
private void setCurrentEntry() {
- if (rocksDBIterator.get().isValid()) {
+ if (currentEntry != null) {
+ currentEntry.release();
+ }
+
+ boolean isValid = !closed && rocksDBIterator.get().isValid();
+ if (isValid) {
currentEntry = getKeyValue();
+ currentEntry.retain();
} else {
currentEntry = null;
}
+ setHasNext(isValid, currentEntry);
+ }
+
+ public void setHasNext(boolean isValid,
ReferenceCountedObject<RawKeyValue<RAW>> entry) {
+ this.hasNext = isValid && (prefix == null ||
startsWithPrefix(entry.get().getKey()));
}
@Override
public final boolean hasNext() {
- return rocksDBIterator.get().isValid() &&
- (prefix == null || startsWithPrefix(key()));
+ return hasNext;
}
@Override
- public final Table.KeyValue<RAW, RAW> next() {
- setCurrentEntry();
- if (currentEntry != null) {
+ public final synchronized UncheckedAutoCloseableSupplier<RawKeyValue<RAW>>
next() {
Review Comment:
yeah I removed the synchronized method. I will make the next set of PRs into
a SplitIterator
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