Uses of Interface
org.apache.hadoop.hbase.regionserver.InternalScanner

Packages that use InternalScanner

Package	Description
org.apache.hadoop.hbase.constraint	Restrict the domain of a data attribute, often times to fulfill business rules/requirements.
org.apache.hadoop.hbase.coprocessor	Table of Contents
org.apache.hadoop.hbase.coprocessor.example
org.apache.hadoop.hbase.mob
org.apache.hadoop.hbase.regionserver
org.apache.hadoop.hbase.regionserver.compactions
org.apache.hadoop.hbase.security.access
org.apache.hadoop.hbase.security.visibility

Uses of InternalScanner in org.apache.hadoop.hbase.constraint

Methods in org.apache.hadoop.hbase.constraint with parameters of type InternalScanner

Modifier and Type	Method and Description
boolean	ConstraintProcessor.postScannerFilterRow(ObserverContext<RegionCoprocessorEnvironment> e, InternalScanner s, Cell curRowCell, boolean hasMore)

Uses of InternalScanner in org.apache.hadoop.hbase.coprocessor

Methods in org.apache.hadoop.hbase.coprocessor that return InternalScanner

Modifier and Type	Method and Description
default InternalScanner	RegionObserver.preCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker, CompactionRequest request) Called prior to writing the StoreFiles selected for compaction into a new StoreFile.
default InternalScanner	RegionObserver.preFlush(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, FlushLifeCycleTracker tracker) Called before a Store's memstore is flushed to disk.
default InternalScanner	RegionObserver.preMemStoreCompactionCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner) Called before we do in memory compaction.

Methods in org.apache.hadoop.hbase.coprocessor with parameters of type InternalScanner

Modifier and Type	Method and Description
(package private) void	Export.ScanCoprocessor.checkScannerClose(InternalScanner s)
default void	RegionObserver.postScannerClose(ObserverContext<RegionCoprocessorEnvironment> ctx, InternalScanner s) Called after the client closes a scanner.
default boolean	RegionObserver.postScannerFilterRow(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s, Cell curRowCell, boolean hasMore) This will be called by the scan flow when the current scanned row is being filtered out by the filter.
(package private) boolean	Export.ScanCoprocessor.postScannerNext(InternalScanner s, List<Result> results, int limit, boolean hasMore)
default boolean	RegionObserver.postScannerNext(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s, List<Result> result, int limit, boolean hasNext) Called after the client asks for the next row on a scanner.
default InternalScanner	RegionObserver.preCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker, CompactionRequest request) Called prior to writing the StoreFiles selected for compaction into a new StoreFile.
default InternalScanner	RegionObserver.preFlush(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, FlushLifeCycleTracker tracker) Called before a Store's memstore is flushed to disk.
default InternalScanner	RegionObserver.preMemStoreCompactionCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner) Called before we do in memory compaction.
default void	RegionObserver.preScannerClose(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s) Called before the client closes a scanner.
(package private) boolean	Export.ScanCoprocessor.preScannerNext(InternalScanner s, List<Result> results, int limit)
default boolean	RegionObserver.preScannerNext(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s, List<Result> result, int limit, boolean hasNext) Called before the client asks for the next row on a scanner.

Uses of InternalScanner in org.apache.hadoop.hbase.coprocessor.example

Classes in org.apache.hadoop.hbase.coprocessor.example that implement InternalScanner

Modifier and Type	Class and Description
class	DelegatingInternalScanner A simple delegation for doing filtering on InternalScanner.

Fields in org.apache.hadoop.hbase.coprocessor.example declared as InternalScanner

Modifier and Type	Field and Description
protected InternalScanner	DelegatingInternalScanner.scanner

Methods in org.apache.hadoop.hbase.coprocessor.example that return InternalScanner

Modifier and Type	Method and Description
InternalScanner	WriteHeavyIncrementObserver.preCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker, CompactionRequest request)
InternalScanner	ValueRewritingObserver.preCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker, CompactionRequest request)
InternalScanner	WriteHeavyIncrementObserver.preFlush(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, FlushLifeCycleTracker tracker)
InternalScanner	WriteHeavyIncrementObserver.preMemStoreCompactionCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner)
private InternalScanner	WriteHeavyIncrementObserver.wrap(byte[] family, InternalScanner scanner)

Methods in org.apache.hadoop.hbase.coprocessor.example with parameters of type InternalScanner

Modifier and Type	Method and Description
InternalScanner	WriteHeavyIncrementObserver.preCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker, CompactionRequest request)
InternalScanner	ValueRewritingObserver.preCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker, CompactionRequest request)
InternalScanner	WriteHeavyIncrementObserver.preFlush(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, FlushLifeCycleTracker tracker)
InternalScanner	WriteHeavyIncrementObserver.preMemStoreCompactionCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner)
private InternalScanner	WriteHeavyIncrementObserver.wrap(byte[] family, InternalScanner scanner)

Constructors in org.apache.hadoop.hbase.coprocessor.example with parameters of type InternalScanner

Constructor and Description
DelegatingInternalScanner(InternalScanner scanner)

Uses of InternalScanner in org.apache.hadoop.hbase.mob

Methods in org.apache.hadoop.hbase.mob with parameters of type InternalScanner

Modifier and Type	Method and Description
protected boolean	DefaultMobStoreCompactor.performCompaction(Compactor.FileDetails fd, InternalScanner scanner, CellSink writer, long smallestReadPoint, boolean cleanSeqId, ThroughputController throughputController, boolean major, int numofFilesToCompact) Performs compaction on a column family with the mob flag enabled.
protected void	DefaultMobStoreFlusher.performMobFlush(MemStoreSnapshot snapshot, long cacheFlushId, InternalScanner scanner, StoreFileWriter writer, MonitoredTask status, ThroughputController throughputController) Flushes the cells in the mob store.

Uses of InternalScanner in org.apache.hadoop.hbase.regionserver

Subinterfaces of InternalScanner in org.apache.hadoop.hbase.regionserver

Modifier and Type	Interface and Description
interface	RegionScanner RegionScanner describes iterators over rows in an HRegion.

Classes in org.apache.hadoop.hbase.regionserver that implement InternalScanner

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	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	StoreScanner Scanner scans both the memstore and the Store.

Fields in org.apache.hadoop.hbase.regionserver declared as InternalScanner

Modifier and Type	Field and Description
private InternalScanner	MemStoreCompactorSegmentsIterator.compactingScanner

Methods in org.apache.hadoop.hbase.regionserver that return InternalScanner

Modifier and Type	Method and Description
private InternalScanner	MemStoreCompactorSegmentsIterator.createScanner(HStore store, List<KeyValueScanner> scanners) Creates the scanner for compacting the pipeline.
protected InternalScanner	StoreFlusher.createScanner(List<KeyValueScanner> snapshotScanners, long smallestReadPoint, FlushLifeCycleTracker tracker) Creates the scanner for flushing snapshot.
InternalScanner	RegionCoprocessorHost.preCompact(HStore store, InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker, CompactionRequest request, User user) Called prior to rewriting the store files selected for compaction
InternalScanner	RegionCoprocessorHost.preFlush(HStore store, InternalScanner scanner, FlushLifeCycleTracker tracker) Invoked before a memstore flush
InternalScanner	RegionCoprocessorHost.preMemStoreCompactionCompact(HStore store, InternalScanner scanner) Invoked before compacting memstore.

Methods in org.apache.hadoop.hbase.regionserver with parameters of type InternalScanner

Modifier and Type	Method and Description
protected void	StoreFlusher.performFlush(InternalScanner scanner, CellSink sink, long smallestReadPoint, ThroughputController throughputController) Performs memstore flush, writing data from scanner into sink.
void	RegionCoprocessorHost.postScannerClose(InternalScanner s)
boolean	RegionCoprocessorHost.postScannerFilterRow(InternalScanner s, Cell curRowCell) This will be called by the scan flow when the current scanned row is being filtered out by the filter.
boolean	RegionCoprocessorHost.postScannerNext(InternalScanner s, List<Result> results, int limit, boolean hasMore)
InternalScanner	RegionCoprocessorHost.preCompact(HStore store, InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker, CompactionRequest request, User user) Called prior to rewriting the store files selected for compaction
InternalScanner	RegionCoprocessorHost.preFlush(HStore store, InternalScanner scanner, FlushLifeCycleTracker tracker) Invoked before a memstore flush
InternalScanner	RegionCoprocessorHost.preMemStoreCompactionCompact(HStore store, InternalScanner scanner) Invoked before compacting memstore.
boolean	RegionCoprocessorHost.preScannerClose(InternalScanner s) Supports Coprocessor 'bypass'.
Boolean	RegionCoprocessorHost.preScannerNext(InternalScanner s, List<Result> results, int limit)

Uses of InternalScanner in org.apache.hadoop.hbase.regionserver.compactions

Methods in org.apache.hadoop.hbase.regionserver.compactions that return InternalScanner

Modifier and Type	Method and Description
protected InternalScanner	Compactor.createScanner(HStore store, ScanInfo scanInfo, List<StoreFileScanner> scanners, long smallestReadPoint, long earliestPutTs, byte[] dropDeletesFromRow, byte[] dropDeletesToRow)
protected InternalScanner	Compactor.createScanner(HStore store, ScanInfo scanInfo, List<StoreFileScanner> scanners, ScanType scanType, long smallestReadPoint, long earliestPutTs)
InternalScanner	StripeCompactor.StripeInternalScannerFactory.createScanner(ScanInfo scanInfo, List<StoreFileScanner> scanners, ScanType scanType, Compactor.FileDetails fd, long smallestReadPoint)
InternalScanner	Compactor.InternalScannerFactory.createScanner(ScanInfo scanInfo, List<StoreFileScanner> scanners, ScanType scanType, Compactor.FileDetails fd, long smallestReadPoint)
private InternalScanner	Compactor.postCompactScannerOpen(CompactionRequestImpl request, ScanType scanType, InternalScanner scanner, User user) Calls coprocessor, if any, to create scanners - after normal scanner creation.

Methods in org.apache.hadoop.hbase.regionserver.compactions with parameters of type InternalScanner

Modifier and Type	Method and Description
S	Compactor.CellSinkFactory.createWriter(InternalScanner scanner, Compactor.FileDetails fd, boolean shouldDropBehind)
protected void	AbstractMultiOutputCompactor.initMultiWriter(AbstractMultiFileWriter writer, InternalScanner scanner, Compactor.FileDetails fd, boolean shouldDropBehind)
protected boolean	Compactor.performCompaction(Compactor.FileDetails fd, InternalScanner scanner, CellSink writer, long smallestReadPoint, boolean cleanSeqId, ThroughputController throughputController, boolean major, int numofFilesToCompact) Performs the compaction.
private InternalScanner	Compactor.postCompactScannerOpen(CompactionRequestImpl request, ScanType scanType, InternalScanner scanner, User user) Calls coprocessor, if any, to create scanners - after normal scanner creation.

Uses of InternalScanner in org.apache.hadoop.hbase.security.access

Fields in org.apache.hadoop.hbase.security.access with type parameters of type InternalScanner

Modifier and Type	Field and Description
private Map<InternalScanner,String>	AccessController.scannerOwners Mapping of scanner instances to the user who created them

Methods in org.apache.hadoop.hbase.security.access that return InternalScanner

Modifier and Type	Method and Description
InternalScanner	AccessController.preCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker, CompactionRequest request)

Methods in org.apache.hadoop.hbase.security.access with parameters of type InternalScanner

Modifier and Type	Method and Description
void	AccessController.postScannerClose(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s)
boolean	AccessController.postScannerFilterRow(ObserverContext<RegionCoprocessorEnvironment> e, InternalScanner s, Cell curRowCell, boolean hasMore)
InternalScanner	AccessController.preCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker, CompactionRequest request)
void	AccessController.preScannerClose(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s)
boolean	AccessController.preScannerNext(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s, List<Result> result, int limit, boolean hasNext)
private void	AccessController.requireScannerOwner(InternalScanner s) Verify, when servicing an RPC, that the caller is the scanner owner.

Uses of InternalScanner in org.apache.hadoop.hbase.security.visibility

Fields in org.apache.hadoop.hbase.security.visibility with type parameters of type InternalScanner

Modifier and Type	Field and Description
private Map<InternalScanner,String>	VisibilityController.scannerOwners Mapping of scanner instances to the user who created them

Methods in org.apache.hadoop.hbase.security.visibility with parameters of type InternalScanner

Modifier and Type	Method and Description
void	VisibilityController.postScannerClose(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s)
boolean	VisibilityController.postScannerFilterRow(ObserverContext<RegionCoprocessorEnvironment> e, InternalScanner s, Cell curRowCell, boolean hasMore)
void	VisibilityController.preScannerClose(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s)
boolean	VisibilityController.preScannerNext(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s, List<Result> result, int limit, boolean hasNext)
private void	VisibilityController.requireScannerOwner(InternalScanner s) Verify, when servicing an RPC, that the caller is the scanner owner.