org.apache.hadoop.hbase.regionserver

Class TestScannerHeartbeatMessages.HeartbeatKVHeap

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.TestScannerHeartbeatMessages.HeartbeatKVHeap

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.HeartbeatKVHeap
extends org.apache.hadoop.hbase.regionserver.KeyValueHeap

Custom KV Heap that can be configured to sleep/wait in between retrievals of column family cells. Useful for testing

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
HeartbeatKVHeap(List<? extends org.apache.hadoop.hbase.regionserver.KeyValueScanner> scanners, org.apache.hadoop.hbase.CellComparator comparator)
HeartbeatKVHeap(List<? extends org.apache.hadoop.hbase.regionserver.KeyValueScanner> scanners, org.apache.hadoop.hbase.regionserver.KeyValueHeap.KVScannerComparator 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.KeyValueHeap

close, getCurrentForTesting, getHeap, getNextIndexedKey, isLatestCellFromMemstore, next, peek, pollRealKV, requestSeek, reseek, seek, shipped

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

backwardSeek, seekToLastRow, seekToPreviousRow

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

backwardSeek, enforceSeek, getFilePath, getScannerOrder, isFileScanner, realSeekDone, seekToLastRow, seekToPreviousRow, shouldUseScanner

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

next

Constructor Detail

HeartbeatKVHeap

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

Throws:

IOException

HeartbeatKVHeap

HeartbeatKVHeap(List<? extends org.apache.hadoop.hbase.regionserver.KeyValueScanner> scanners,
                org.apache.hadoop.hbase.regionserver.KeyValueHeap.KVScannerComparator 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