Package org.apache.accumulo.hadoopImpl.mapreduce

Class RangeInputSplit

java.lang.Object

org.apache.hadoop.mapreduce.InputSplit

org.apache.accumulo.hadoopImpl.mapreduce.RangeInputSplit

All Implemented Interfaces:

org.apache.hadoop.io.Writable

Direct Known Subclasses:

BatchInputSplit, RangeInputSplit

public class RangeInputSplit
extends org.apache.hadoop.mapreduce.InputSplit
implements org.apache.hadoop.io.Writable

The Class RangeInputSplit. Encapsulates an Accumulo range for use in Map Reduce jobs.

Constructor Summary

Constructors

Constructor	Description
RangeInputSplit()
RangeInputSplit(String table, String tableId, Range range, String[] locations)
RangeInputSplit(RangeInputSplit split)

Method Summary

Modifier and Type	Method	Description
Map<String,String>	getExecutionHints()
Set<IteratorSetting.Column>	getFetchedColumns()
List<IteratorSetting>	getIterators()
long	getLength()	This implementation of length is only an estimate, it does not provide exact values.
String[]	getLocations()
static float	getProgress(ByteSequence start, ByteSequence end, ByteSequence position)
float	getProgress(Key currentKey)
Range	getRange()
SamplerConfiguration	getSamplerConfiguration()
String	getTableId()
String	getTableName()
Boolean	isIsolatedScan()
Boolean	isOffline()
void	readFields(DataInput in)
void	setExecutionHints(Map<String,String> executionHints)
void	setFetchedColumns(Collection<IteratorSetting.Column> fetchedColumns)
void	setFetchedColumns(Set<IteratorSetting.Column> fetchedColumns)
void	setIsolatedScan(Boolean isolatedScan)
void	setIterators(List<IteratorSetting> iterators)
void	setLocations(String[] locations)
void	setOffline(Boolean offline)
void	setRange(Range range)
void	setSamplerConfiguration(SamplerConfiguration samplerConfiguration)
void	setTableId(String tableId)
void	setTableName(String table)
void	setUsesLocalIterators(Boolean localIterators)
String	toString()
Boolean	usesLocalIterators()
void	write(DataOutput out)

Methods inherited from class org.apache.hadoop.mapreduce.InputSplit

getLocationInfo

Methods inherited from class java.lang.Object

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

Constructor Detail

RangeInputSplit

public RangeInputSplit()

RangeInputSplit

public RangeInputSplit(RangeInputSplit split)
                throws IOException

Throws:

IOException

RangeInputSplit

public RangeInputSplit(String table,
                       String tableId,
                       Range range,
                       String[] locations)

Method Detail

getRange

public Range getRange()

getProgress

public static float getProgress(ByteSequence start,
                                ByteSequence end,
                                ByteSequence position)

getProgress

public float getProgress(Key currentKey)

getLength

public long getLength()
               throws IOException

This implementation of length is only an estimate, it does not provide exact values. Do not have your code rely on this return value.

Specified by:

getLength in class org.apache.hadoop.mapreduce.InputSplit

Throws:

IOException

getLocations

public String[] getLocations()

Specified by:

getLocations in class org.apache.hadoop.mapreduce.InputSplit

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException

getTableName

public String getTableName()

setTableName

public void setTableName(String table)

setTableId

public void setTableId(String tableId)

getTableId

public String getTableId()

isOffline

public Boolean isOffline()

setOffline

public void setOffline(Boolean offline)

setLocations

public void setLocations(String[] locations)

isIsolatedScan

public Boolean isIsolatedScan()

setIsolatedScan

public void setIsolatedScan(Boolean isolatedScan)

setRange

public void setRange(Range range)

usesLocalIterators

public Boolean usesLocalIterators()

setUsesLocalIterators

public void setUsesLocalIterators(Boolean localIterators)

getFetchedColumns

public Set<IteratorSetting.Column> getFetchedColumns()

setFetchedColumns

public void setFetchedColumns(Collection<IteratorSetting.Column> fetchedColumns)

setFetchedColumns

public void setFetchedColumns(Set<IteratorSetting.Column> fetchedColumns)

getIterators

public List<IteratorSetting> getIterators()

setIterators

public void setIterators(List<IteratorSetting> iterators)

toString

public String toString()

Overrides:

toString in class Object

setSamplerConfiguration

public void setSamplerConfiguration(SamplerConfiguration samplerConfiguration)

getSamplerConfiguration

public SamplerConfiguration getSamplerConfiguration()

setExecutionHints

public void setExecutionHints(Map<String,String> executionHints)

getExecutionHints

public Map<String,String> getExecutionHints()