Package org.apache.hadoop.hbase.coprocessor

Class TestCoprocessorMetrics.CustomRegionObserver

java.lang.Object
org.apache.hadoop.hbase.coprocessor.TestCoprocessorMetrics.CustomRegionObserver
All Implemented Interfaces:
org.apache.hadoop.hbase.Coprocessor, org.apache.hadoop.hbase.coprocessor.RegionCoprocessor, org.apache.hadoop.hbase.coprocessor.RegionObserver
Direct Known Subclasses:
TestCoprocessorMetrics.CustomRegionObserver2
Enclosing class:
TestCoprocessorMetrics
public static class TestCoprocessorMetrics.CustomRegionObserver extends Object implements org.apache.hadoop.hbase.coprocessor.RegionCoprocessor, org.apache.hadoop.hbase.coprocessor.RegionObserver
RegionObserver that has a Counter for preGet()

  • 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
    Modifier and Type
    Field
    Description
    private org.apache.hadoop.hbase.metrics.Counter
    preGetCounter
     

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

    PRIORITY_HIGHEST, PRIORITY_LOWEST, PRIORITY_SYSTEM, PRIORITY_USER, VERSION

  • Constructor Summary

    Constructors
    Constructor
    Description
    CustomRegionObserver()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    Optional<org.apache.hadoop.hbase.coprocessor.RegionObserver>
    getRegionObserver()
     
    void
    preGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext<? extends org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment> e, org.apache.hadoop.hbase.client.Get get, List<org.apache.hadoop.hbase.Cell> results)
     
    void
    start(org.apache.hadoop.hbase.CoprocessorEnvironment env)
     

    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

    getServices, stop

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

    getBulkLoadObserver, getEndpointObserver

    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, 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, preScannerOpen, preStoreFileReaderOpen, preStoreScannerOpen, preWALAppend

  • Field Details

    • preGetCounter

      private org.apache.hadoop.hbase.metrics.Counter preGetCounter

  • Constructor Details

  • Method Details

    • preGetOp

      public void preGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext<? extends org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment> e, org.apache.hadoop.hbase.client.Get get, List<org.apache.hadoop.hbase.Cell> results) throws IOException
      Specified by:
      preGetOp in interface org.apache.hadoop.hbase.coprocessor.RegionObserver
      Throws:
      IOException

    • getRegionObserver

      public Optional<org.apache.hadoop.hbase.coprocessor.RegionObserver> getRegionObserver()
      Specified by:
      getRegionObserver in interface org.apache.hadoop.hbase.coprocessor.RegionCoprocessor

    • start

      public void start(org.apache.hadoop.hbase.CoprocessorEnvironment env) throws IOException
      Specified by:
      start in interface org.apache.hadoop.hbase.Coprocessor
      Throws:
      IOException