org.apache.hadoop.hbase.master.region

Class RegionScannerAsResultScanner

java.lang.Object

org.apache.hadoop.hbase.master.region.RegionScannerAsResultScanner

All Implemented Interfaces:

Closeable, AutoCloseable, Iterable<Result>, ResultScanner

@InterfaceAudience.Private
class RegionScannerAsResultScanner
extends Object
implements ResultScanner

Wrap a RegionScanner as a ResultScanner.

Field Summary

Fields

Modifier and Type	Field and Description
private List<Cell>	cells
private static org.slf4j.Logger	LOG
private boolean	moreRows
private RegionScanner	scanner

Constructor Summary

Constructors

Constructor and Description
RegionScannerAsResultScanner(RegionScanner scanner)

Method Summary

Modifier and Type	Method and Description
void	close() Closes the scanner and releases any resources it has allocated
ScanMetrics	getScanMetrics() Returns the scan metrics, or null if we do not enable metrics.
Result	next() Grab the next row's worth of values.
boolean	renewLease() Allow the client to renew the scanner's lease on the server.

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.client.ResultScanner

iterator, next

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

LOG

private static final org.slf4j.Logger LOG

scanner

private final RegionScanner scanner

moreRows

private boolean moreRows

cells

private final List<Cell> cells

Constructor Detail

RegionScannerAsResultScanner

RegionScannerAsResultScanner(RegionScanner scanner)

Method Detail

renewLease

public boolean renewLease()

Description copied from interface: ResultScanner

Allow the client to renew the scanner's lease on the server.

Specified by:

renewLease in interface ResultScanner

Returns:

true if the lease was successfully renewed, false otherwise.

next

public Result next()
            throws IOException

Description copied from interface: ResultScanner

Grab the next row's worth of values. The scanner will return a Result.

Specified by:

next in interface ResultScanner

Returns:

Result object if there is another row, null if the scanner is exhausted.

Throws:

IOException - e

getScanMetrics

public ScanMetrics getScanMetrics()

Description copied from interface: ResultScanner

Returns the scan metrics, or null if we do not enable metrics.

Specified by:

getScanMetrics in interface ResultScanner

close

public void close()

Description copied from interface: ResultScanner

Closes the scanner and releases any resources it has allocated

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface ResultScanner