tkalkirill commented on code in PR #1407:
URL: https://github.com/apache/ignite-3/pull/1407#discussion_r1044293398
##########
modules/storage-api/src/testFixtures/java/org/apache/ignite/internal/storage/index/impl/TestSortedIndexStorage.java:
##########
@@ -208,4 +184,91 @@ private void checkClosed() {
throw new StorageClosedException("Storage is already closed");
}
}
+
+ private class ScanCursor implements Cursor<IndexRow> {
+ private final NavigableMap<ByteBuffer, NavigableMap<RowId, Object>>
indexMap;
+
+ @Nullable
+ private Boolean hasNext;
+
+ @Nullable
+ private Entry<ByteBuffer, NavigableMap<RowId, Object>> indexMapEntry;
+
+ @Nullable
+ private RowId rowId;
+
+ private ScanCursor(NavigableMap<ByteBuffer, NavigableMap<RowId,
Object>> indexMap) {
+ this.indexMap = indexMap;
+ }
+
+ @Override
+ public void close() {
+ // No-op.
+ }
+
+ @Override
+ public boolean hasNext() {
+ checkClosed();
+
+ advanceIfNeeded();
+
+ return hasNext;
+ }
+
+ @Override
+ public IndexRow next() {
+ checkClosed();
+
+ advanceIfNeeded();
+
+ boolean hasNext = this.hasNext;
+
+ this.hasNext = null;
+
+ if (!hasNext) {
+ throw new NoSuchElementException();
+ }
+
+ return new IndexRowImpl(new
BinaryTuple(descriptor.binaryTupleSchema(), indexMapEntry.getKey()), rowId);
+ }
+
+ private void advanceIfNeeded() {
+ if (hasNext == null) {
+ if (indexMapEntry == null) {
+ indexMapEntry = indexMap.firstEntry();
+ }
+
+ if (rowId == null) {
+ if (indexMapEntry != null) {
+ rowId =
getRowId(indexMapEntry.getValue().firstEntry());
+ }
+ } else {
+ Entry<RowId, Object> rowIdEntry =
indexMapEntry.getValue().higherEntry(rowId);
Review Comment:
Fix it
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