org.apache.accumulo.monitor.servlets.trace

Class NullScanner

java.lang.Object

org.apache.accumulo.monitor.servlets.trace.NullScanner

All Implemented Interfaces:

AutoCloseable, Iterable<Map.Entry<Key,Value>>, Scanner, ScannerBase

public class NullScanner
extends Object
implements Scanner

Constructor Summary

Constructors

Constructor and Description
NullScanner()

Method Summary

Modifier and Type	Method and Description
void	addScanIterator(IteratorSetting cfg)
void	clearClassLoaderContext()
void	clearColumns()
void	clearSamplerConfiguration()
void	clearScanIterators()
void	close()
void	disableIsolation()
void	enableIsolation()
void	fetchColumn(IteratorSetting.Column column)
void	fetchColumn(org.apache.hadoop.io.Text colFam, org.apache.hadoop.io.Text colQual)
void	fetchColumnFamily(org.apache.hadoop.io.Text col)
Authorizations	getAuthorizations()
int	getBatchSize()
long	getBatchTimeout(TimeUnit timeUnit)
String	getClassLoaderContext()
Range	getRange()
long	getReadaheadThreshold()
SamplerConfiguration	getSamplerConfiguration()
int	getTimeOut() Deprecated.
long	getTimeout(TimeUnit timeUnit)
Iterator<Map.Entry<Key,Value>>	iterator()
void	removeScanIterator(String iteratorName)
void	setBatchSize(int size)
void	setBatchTimeout(long timeout, TimeUnit milliseconds)
void	setClassLoaderContext(String context)
void	setRange(Range range)
void	setReadaheadThreshold(long batches)
void	setSamplerConfiguration(SamplerConfiguration samplerConfig)
void	setTimeOut(int timeOut) Deprecated.
void	setTimeout(long timeOut, TimeUnit timeUnit)
void	updateScanIteratorOption(String iteratorName, String key, String value)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

NullScanner

public NullScanner()

Method Detail

addScanIterator

public void addScanIterator(IteratorSetting cfg)

Specified by:

addScanIterator in interface ScannerBase

updateScanIteratorOption

public void updateScanIteratorOption(String iteratorName,
                                     String key,
                                     String value)

Specified by:

updateScanIteratorOption in interface ScannerBase

fetchColumnFamily

public void fetchColumnFamily(org.apache.hadoop.io.Text col)

Specified by:

fetchColumnFamily in interface ScannerBase

fetchColumn

public void fetchColumn(org.apache.hadoop.io.Text colFam,
                        org.apache.hadoop.io.Text colQual)

Specified by:

fetchColumn in interface ScannerBase

fetchColumn

public void fetchColumn(IteratorSetting.Column column)

Specified by:

fetchColumn in interface ScannerBase

clearColumns

public void clearColumns()

Specified by:

clearColumns in interface ScannerBase

clearScanIterators

public void clearScanIterators()

Specified by:

clearScanIterators in interface ScannerBase

setTimeOut

@Deprecated
public void setTimeOut(int timeOut)

Deprecated.

Specified by:

setTimeOut in interface Scanner

getTimeOut

@Deprecated
public int getTimeOut()

Deprecated.

Specified by:

getTimeOut in interface Scanner

setRange

public void setRange(Range range)

Specified by:

setRange in interface Scanner

getRange

public Range getRange()

Specified by:

getRange in interface Scanner

setBatchSize

public void setBatchSize(int size)

Specified by:

setBatchSize in interface Scanner

getBatchSize

public int getBatchSize()

Specified by:

getBatchSize in interface Scanner

enableIsolation

public void enableIsolation()

Specified by:

enableIsolation in interface Scanner

disableIsolation

public void disableIsolation()

Specified by:

disableIsolation in interface Scanner

iterator

public Iterator<Map.Entry<Key,Value>> iterator()

Specified by:

iterator in interface Iterable<Map.Entry<Key,Value>>

Specified by:

iterator in interface ScannerBase

removeScanIterator

public void removeScanIterator(String iteratorName)

Specified by:

removeScanIterator in interface ScannerBase

setTimeout

public void setTimeout(long timeOut,
                       TimeUnit timeUnit)

Specified by:

setTimeout in interface ScannerBase

getTimeout

public long getTimeout(TimeUnit timeUnit)

Specified by:

getTimeout in interface ScannerBase

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface ScannerBase

getAuthorizations

public Authorizations getAuthorizations()

Specified by:

getAuthorizations in interface ScannerBase

getReadaheadThreshold

public long getReadaheadThreshold()

Specified by:

getReadaheadThreshold in interface Scanner

setReadaheadThreshold

public void setReadaheadThreshold(long batches)

Specified by:

setReadaheadThreshold in interface Scanner

setBatchTimeout

public void setBatchTimeout(long timeout,
                            TimeUnit milliseconds)

Specified by:

setBatchTimeout in interface ScannerBase

getBatchTimeout

public long getBatchTimeout(TimeUnit timeUnit)

Specified by:

getBatchTimeout in interface ScannerBase

setSamplerConfiguration

public void setSamplerConfiguration(SamplerConfiguration samplerConfig)

Specified by:

setSamplerConfiguration in interface ScannerBase

getSamplerConfiguration

public SamplerConfiguration getSamplerConfiguration()

Specified by:

getSamplerConfiguration in interface ScannerBase

clearSamplerConfiguration

public void clearSamplerConfiguration()

Specified by:

clearSamplerConfiguration in interface ScannerBase

setClassLoaderContext

public void setClassLoaderContext(String context)

Specified by:

setClassLoaderContext in interface ScannerBase

clearClassLoaderContext

public void clearClassLoaderContext()

Specified by:

clearClassLoaderContext in interface ScannerBase

getClassLoaderContext

public String getClassLoaderContext()

Specified by:

getClassLoaderContext in interface ScannerBase