org.apache.hadoop.hbase.regionserver

Class TestScannerHeartbeatMessages.HeartbeatReversedKVHeap

java.lang.Object

org.apache.hadoop.hbase.regionserver.NonLazyKeyValueScanner

org.apache.hadoop.hbase.regionserver.NonReversedNonLazyKeyValueScanner

org.apache.hadoop.hbase.regionserver.KeyValueHeap

org.apache.hadoop.hbase.regionserver.ReversedKeyValueHeap

org.apache.hadoop.hbase.regionserver.TestScannerHeartbeatMessages.HeartbeatReversedKVHeap

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.hbase.regionserver.InternalScanner, org.apache.hadoop.hbase.regionserver.KeyValueScanner, org.apache.hadoop.hbase.regionserver.Shipper

Enclosing class:

TestScannerHeartbeatMessages

private static final class TestScannerHeartbeatMessages.HeartbeatReversedKVHeap
extends org.apache.hadoop.hbase.regionserver.ReversedKeyValueHeap

Custom reversed KV Heap that can be configured to sleep in between retrievals of column family cells.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.regionserver.KeyValueHeap

org.apache.hadoop.hbase.regionserver.KeyValueHeap.KVScannerComparator

Field Summary

Fields inherited from class org.apache.hadoop.hbase.regionserver.KeyValueHeap

comparator, current, heap, scannersForDelayedClose

Fields inherited from interface org.apache.hadoop.hbase.regionserver.KeyValueScanner

NO_NEXT_INDEXED_KEY

Constructor Summary

Constructors

Constructor and Description
HeartbeatReversedKVHeap(List<? extends org.apache.hadoop.hbase.regionserver.KeyValueScanner> scanners, org.apache.hadoop.hbase.CellComparatorImpl comparator)

Method Summary

Modifier and Type	Method and Description
boolean	next(List<org.apache.hadoop.hbase.Cell> result, org.apache.hadoop.hbase.regionserver.ScannerContext context)

Methods inherited from class org.apache.hadoop.hbase.regionserver.ReversedKeyValueHeap

backwardSeek, next, requestSeek, reseek, seek, seekToLastRow, seekToPreviousRow

Methods inherited from class org.apache.hadoop.hbase.regionserver.KeyValueHeap

close, getCurrentForTesting, getHeap, getNextIndexedKey, isLatestCellFromMemstore, peek, pollRealKV, shipped

Methods inherited from class org.apache.hadoop.hbase.regionserver.NonLazyKeyValueScanner

doRealSeek, enforceSeek, getFilePath, isFileScanner, realSeekDone, shouldUseScanner

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.regionserver.KeyValueScanner

enforceSeek, getFilePath, getScannerOrder, isFileScanner, realSeekDone, shouldUseScanner

Methods inherited from interface org.apache.hadoop.hbase.regionserver.InternalScanner

next

Constructor Detail

HeartbeatReversedKVHeap

public HeartbeatReversedKVHeap(List<? extends org.apache.hadoop.hbase.regionserver.KeyValueScanner> scanners,
                               org.apache.hadoop.hbase.CellComparatorImpl comparator)
                        throws IOException

Throws:

IOException

Method Detail

next

public boolean next(List<org.apache.hadoop.hbase.Cell> result,
                    org.apache.hadoop.hbase.regionserver.ScannerContext context)
             throws IOException

Specified by:

next in interface org.apache.hadoop.hbase.regionserver.InternalScanner

Overrides:

next in class org.apache.hadoop.hbase.regionserver.KeyValueHeap

Throws:

IOException