ReplicationObserver (Apache HBase 1.4.11 API)

All Classes

Summary:
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Method

Detail:
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java.lang.Object
- org.apache.hadoop.hbase.coprocessor.BaseRegionObserver
- - org.apache.hadoop.hbase.replication.regionserver.ReplicationObserver

All Implemented Interfaces:: Coprocessor, RegionObserver

@InterfaceAudience.LimitedPrivate(value="Configuration")
public class ReplicationObserver
extends BaseRegionObserver

An Observer to facilitate replication operations

Nested Class Summary
- Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.coprocessor.RegionObserver
  RegionObserver.MutationType
- Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.Coprocessor
  Coprocessor.State

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

ReplicationObserver()

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`preCommitStoreFile(ObserverContext<RegionCoprocessorEnvironment> ctx, byte[] family, List<Pair<org.apache.hadoop.fs.Path,org.apache.hadoop.fs.Path>> pairs)` Called before moving bulk loaded hfile to region directory.

Methods inherited from class org.apache.hadoop.hbase.coprocessor.BaseRegionObserver
postAppend, postBatchMutate, postBatchMutateIndispensably, postBulkLoadHFile, postCheckAndDelete, postCheckAndPut, postClose, postCloseRegionOperation, postCommitStoreFile, postCompact, postCompact, postCompactSelection, postCompactSelection, postCompleteSplit, postDelete, postExists, postFlush, postFlush, postGetClosestRowBefore, postGetOp, postIncrement, postIncrementColumnValue, postInstantiateDeleteTracker, postLogReplay, postMutationBeforeWAL, postOpen, postPut, postRollBackSplit, postScannerClose, postScannerFilterRow, postScannerNext, postScannerOpen, postSplit, postStartRegionOperation, postStoreFileReaderOpen, postWALRestore, postWALRestore, preAppend, preAppendAfterRowLock, preBatchMutate, preBulkLoadHFile, preCheckAndDelete, preCheckAndDeleteAfterRowLock, preCheckAndPut, preCheckAndPutAfterRowLock, preClose, preCompact, preCompact, preCompactScannerOpen, preCompactScannerOpen, preCompactScannerOpen, preCompactSelection, preCompactSelection, preDelete, preExists, preFlush, preFlush, preFlushScannerOpen, preFlushScannerOpen, preGetClosestRowBefore, preGetOp, preIncrement, preIncrementAfterRowLock, preIncrementColumnValue, preOpen, prePrepareTimeStampForDeleteVersion, prePut, preRollBackSplit, preScannerClose, preScannerNext, preScannerOpen, preSplit, preSplit, preSplitAfterPONR, preSplitBeforePONR, preStoreFileReaderOpen, preStoreScannerOpen, preWALRestore, preWALRestore, start, stop

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ReplicationObserver
```
public ReplicationObserver()
```
- Method Detail
  - preCommitStoreFile
```
public void preCommitStoreFile(ObserverContext<RegionCoprocessorEnvironment> ctx,
                      byte[] family,
                      List<Pair<org.apache.hadoop.fs.Path,org.apache.hadoop.fs.Path>> pairs)
                        throws IOException
```
    Description copied from interface: RegionObserver
    
    Called before moving bulk loaded hfile to region directory.
    
    Specified by:
    
    preCommitStoreFile in interface RegionObserver
    
    Overrides:
    
    preCommitStoreFile in class BaseRegionObserver
    
    family - column family
    pairs - List of pairs of { HFile location in staging dir, HFile path in region dir } Each pair are for the same hfile.
    
    Throws:
    
    IOException

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