org.apache.hadoop.hbase.coprocessor

Class TestRegionObserverScannerOpenHook.NoDataFromScan

java.lang.Object

org.apache.hadoop.hbase.coprocessor.TestRegionObserverScannerOpenHook.NoDataFromScan

All Implemented Interfaces:

org.apache.hadoop.hbase.Coprocessor, org.apache.hadoop.hbase.coprocessor.RegionCoprocessor, org.apache.hadoop.hbase.coprocessor.RegionObserver

Enclosing class:

TestRegionObserverScannerOpenHook

public static class TestRegionObserverScannerOpenHook.NoDataFromScan
extends Object
implements org.apache.hadoop.hbase.coprocessor.RegionCoprocessor, org.apache.hadoop.hbase.coprocessor.RegionObserver

Don't return any data from a scan by creating a custom StoreScanner.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.Coprocessor

org.apache.hadoop.hbase.Coprocessor.State

Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.coprocessor.RegionObserver

org.apache.hadoop.hbase.coprocessor.RegionObserver.MutationType

Field Summary

Fields inherited from interface org.apache.hadoop.hbase.Coprocessor

PRIORITY_HIGHEST, PRIORITY_LOWEST, PRIORITY_SYSTEM, PRIORITY_USER, VERSION

Constructor Summary

Constructors

Constructor and Description
NoDataFromScan()

Method Summary

Modifier and Type	Method and Description
Optional<org.apache.hadoop.hbase.coprocessor.RegionObserver>	getRegionObserver()
void	preGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext<org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment> c, org.apache.hadoop.hbase.client.Get get, List<org.apache.hadoop.hbase.Cell> result)
void	preScannerOpen(org.apache.hadoop.hbase.coprocessor.ObserverContext<org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment> c, org.apache.hadoop.hbase.client.Scan scan)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.hadoop.hbase.coprocessor.RegionCoprocessor

getBulkLoadObserver, getEndpointObserver

Methods inherited from interface org.apache.hadoop.hbase.Coprocessor

getServices, start, stop

Methods inherited from interface org.apache.hadoop.hbase.coprocessor.RegionObserver

postAppend, postAppend, postAppendBeforeWAL, postBatchMutate, postBatchMutateIndispensably, postBulkLoadHFile, postCheckAndDelete, postCheckAndDelete, postCheckAndMutate, postCheckAndPut, postCheckAndPut, postClose, postCloseRegionOperation, postCommitStoreFile, postCompact, postCompactSelection, postDelete, postDelete, postExists, postFlush, postFlush, postGetOp, postIncrement, postIncrement, postIncrementBeforeWAL, postInstantiateDeleteTracker, postMemStoreCompaction, postMutationBeforeWAL, postOpen, postPut, postPut, postReplayWALs, postScannerClose, postScannerFilterRow, postScannerNext, postScannerOpen, postStartRegionOperation, postStoreFileReaderOpen, postWALRestore, preAppend, preAppend, preAppendAfterRowLock, preBatchMutate, preBulkLoadHFile, preCheckAndDelete, preCheckAndDelete, preCheckAndDeleteAfterRowLock, preCheckAndDeleteAfterRowLock, preCheckAndMutate, preCheckAndMutateAfterRowLock, preCheckAndPut, preCheckAndPut, preCheckAndPutAfterRowLock, preCheckAndPutAfterRowLock, preClose, preCommitStoreFile, preCompact, preCompactScannerOpen, preCompactSelection, preDelete, preDelete, preExists, preFlush, preFlush, preFlushScannerOpen, preIncrement, preIncrement, preIncrementAfterRowLock, preMemStoreCompaction, preMemStoreCompactionCompact, preMemStoreCompactionCompactScannerOpen, preOpen, prePrepareTimeStampForDeleteVersion, prePut, prePut, preReplayWALs, preScannerClose, preScannerNext, preStoreFileReaderOpen, preStoreScannerOpen, preWALAppend, preWALRestore

Constructor Detail

NoDataFromScan

public NoDataFromScan()

Method Detail

getRegionObserver

public Optional<org.apache.hadoop.hbase.coprocessor.RegionObserver> getRegionObserver()

Specified by:

getRegionObserver in interface org.apache.hadoop.hbase.coprocessor.RegionCoprocessor

preGetOp

public void preGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext<org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment> c,
                     org.apache.hadoop.hbase.client.Get get,
                     List<org.apache.hadoop.hbase.Cell> result)
              throws IOException

Specified by:

preGetOp in interface org.apache.hadoop.hbase.coprocessor.RegionObserver

Throws:

IOException

preScannerOpen

public void preScannerOpen(org.apache.hadoop.hbase.coprocessor.ObserverContext<org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment> c,
                           org.apache.hadoop.hbase.client.Scan scan)
                    throws IOException

Specified by:

preScannerOpen in interface org.apache.hadoop.hbase.coprocessor.RegionObserver

Throws:

IOException