@InterfaceAudience.Private public class SnapshotSegmentScanner extends NonReversedNonLazyKeyValueScanner
CollectionBackedScanner
(but making it know about
Segments was onerous).Modifier and Type | Field and Description |
---|---|
private Cell |
current |
private Iterator<Cell> |
iter |
private ImmutableSegment |
segment |
NO_NEXT_INDEXED_KEY
Constructor and Description |
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SnapshotSegmentScanner(ImmutableSegment segment) |
Modifier and Type | Method and Description |
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void |
close()
Close the KeyValue scanner.
|
private static Iterator<Cell> |
createIterator(Segment segment) |
long |
getScannerOrder()
Get the order of this KeyValueScanner.
|
Cell |
next()
Return the next Cell in this scanner, iterating the scanner
|
Cell |
peek()
Look at the next Cell in this scanner, but do not iterate scanner.
|
boolean |
reseek(Cell seekCell)
Reseek the scanner at or after the specified KeyValue.
|
boolean |
seek(Cell seekCell)
Seek the scanner at or after the specified KeyValue.
|
backwardSeek, seekToLastRow, seekToPreviousRow
doRealSeek, enforceSeek, getFilePath, getNextIndexedKey, isFileScanner, realSeekDone, requestSeek, shipped, shouldUseScanner
private final ImmutableSegment segment
public SnapshotSegmentScanner(ImmutableSegment segment)
private static Iterator<Cell> createIterator(Segment segment)
public Cell peek()
KeyValueScanner
public Cell next()
KeyValueScanner
public boolean seek(Cell seekCell)
KeyValueScanner
seekCell
- seek valuepublic boolean reseek(Cell seekCell)
KeyValueScanner
seekCell
- seek value (should be non-null)public long getScannerOrder()
KeyValueScanner
KeyValueScanner.getScannerOrder()
public void close()
KeyValueScanner
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