| Package | Description | 
|---|---|
| org.apache.hadoop.hbase.io.hfile | 
 Provides implementations of  
HFile and HFile
 BlockCache. | 
| org.apache.hadoop.hbase.regionserver | |
| org.apache.hadoop.hbase.util | 
| Modifier and Type | Interface and Description | 
|---|---|
interface  | 
HFileScanner
A scanner allows you to position yourself within a HFile and
 scan through it. 
 | 
| Modifier and Type | Class and Description | 
|---|---|
protected static class  | 
HFileReaderImpl.EncodedScanner
Scanner that operates on encoded data blocks. 
 | 
protected static class  | 
HFileReaderImpl.HFileScannerImpl  | 
| Modifier and Type | Interface and Description | 
|---|---|
interface  | 
KeyValueScanner
Scanner that returns the next KeyValue. 
 | 
| Modifier and Type | Class and Description | 
|---|---|
(package private) class  | 
HRegion.RegionScannerImpl
RegionScannerImpl is used to combine scanners from multiple Stores (aka column families). 
 | 
class  | 
KeyValueHeap
Implements a heap merge across any number of KeyValueScanners. 
 | 
class  | 
MobStoreScanner
Scanner scans both the memstore and the MOB Store. 
 | 
class  | 
NonLazyKeyValueScanner
A "non-lazy" scanner which always does a real seek operation. 
 | 
class  | 
NonReversedNonLazyKeyValueScanner
A "non-reversed & non-lazy" scanner which does not support backward scanning
 and always does a real seek operation. 
 | 
class  | 
ReversedKeyValueHeap
ReversedKeyValueHeap is used for supporting reversed scanning. 
 | 
class  | 
ReversedMobStoreScanner
ReversedMobStoreScanner extends from ReversedStoreScanner, and is used to support
 reversed scanning in both the memstore and the MOB store. 
 | 
(package private) class  | 
ReversedRegionScannerImpl
ReversibleRegionScannerImpl extends from RegionScannerImpl, and is used to
 support reversed scanning. 
 | 
class  | 
ReversedStoreScanner
ReversedStoreScanner extends from StoreScanner, and is used to support
 reversed scanning. 
 | 
class  | 
SegmentScanner
A scanner of a single memstore segment. 
 | 
class  | 
SnapshotSegmentScanner
A basic SegmentScanner used against an ImmutableScanner snapshot
 Used flushing where we do a single pass, no reverse scanning or
 inserts happening. 
 | 
class  | 
StoreFileScanner
KeyValueScanner adaptor over the Reader. 
 | 
class  | 
StoreScanner
Scanner scans both the memstore and the Store. 
 | 
| Modifier and Type | Field and Description | 
|---|---|
private Shipper | 
RSRpcServices.RegionScannerShippedCallBack.shipper  | 
| Modifier and Type | Method and Description | 
|---|---|
private RSRpcServices.RegionScannerHolder | 
RSRpcServices.addScanner(String scannerName,
          RegionScanner s,
          Shipper shipper,
          HRegion r,
          boolean needCursor)  | 
| Constructor and Description | 
|---|
RegionScannerShippedCallBack(String scannerName,
                            Shipper shipper,
                            Leases.Lease lease)  | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
CollectionBackedScanner
Utility scanner that wraps a sortable collection and serves as a KeyValueScanner. 
 | 
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