org.apache.hadoop.hbase.client

类 AbstractClientScanner

java.lang.Object

org.apache.hadoop.hbase.client.AbstractClientScanner

所有已实现的接口:

Closeable, AutoCloseable, Iterable<Result>, ResultScanner

直接已知子类:

ClientScanner

@InterfaceAudience.Private
public abstract class AbstractClientScanner
extends Object
implements ResultScanner

Helper class for custom client scanners.

字段概要

字段

限定符和类型	字段和说明
protected ScanMetrics	scanMetrics

构造器概要

构造器

构造器和说明
AbstractClientScanner()

方法概要

限定符和类型	方法和说明
ScanMetrics	getScanMetrics() Used internally accumulating metrics on scan.
protected void	initScanMetrics(Scan scan) Check and initialize if application wants to collect scan metrics

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.apache.hadoop.hbase.client.ResultScanner

close, iterator, next, next, renewLease

从接口继承的方法 java.lang.Iterable

forEach, spliterator

字段详细资料

scanMetrics

protected ScanMetrics scanMetrics

构造器详细资料

AbstractClientScanner

public AbstractClientScanner()

方法详细资料

initScanMetrics

protected void initScanMetrics(Scan scan)

Check and initialize if application wants to collect scan metrics

getScanMetrics

public ScanMetrics getScanMetrics()

Used internally accumulating metrics on scan. To enable collection of metrics on a Scanner, call Scan.setScanMetricsEnabled(boolean).

指定者:

getScanMetrics 在接口中 ResultScanner

返回:

Returns the running ScanMetrics instance or null if scan metrics not enabled.