org.apache.accumulo.examples.simple.filedata

Class ChunkInputFormat

java.lang.Object

org.apache.hadoop.mapreduce.InputFormat<K,V>

org.apache.accumulo.core.client.mapreduce.AbstractInputFormat<K,V>

org.apache.accumulo.core.client.mapreduce.InputFormatBase<List<Map.Entry<Key,Value>>,InputStream>

org.apache.accumulo.examples.simple.filedata.ChunkInputFormat

public class ChunkInputFormat
extends InputFormatBase<List<Map.Entry<Key,Value>>,InputStream>

An InputFormat that turns the file data ingested with FileDataIngest into an InputStream using ChunkInputStream. Mappers used with this InputFormat must close the InputStream.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.accumulo.core.client.mapreduce.InputFormatBase

InputFormatBase.RangeInputSplit, InputFormatBase.RecordReaderBase<K,V>

Nested classes/interfaces inherited from class org.apache.accumulo.core.client.mapreduce.AbstractInputFormat

AbstractInputFormat.AbstractRecordReader<K,V>

Field Summary

Fields inherited from class org.apache.accumulo.core.client.mapreduce.AbstractInputFormat

CLASS, log

Constructor Summary

Constructors

Constructor and Description
ChunkInputFormat()

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.hadoop.mapreduce.RecordReader<List<Map.Entry<Key,Value>>,InputStream>	createRecordReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)

Methods inherited from class org.apache.accumulo.core.client.mapreduce.InputFormatBase

addIterator, fetchColumns, getAutoAdjustRanges, getFetchedColumns, getInputTableName, getIterators, getRanges, getTabletLocator, isBatchScan, isIsolated, isOfflineScan, setAutoAdjustRanges, setBatchScan, setInputTableName, setLocalIterators, setOfflineTableScan, setRanges, setScanIsolation, usesLocalIterators

Methods inherited from class org.apache.accumulo.core.client.mapreduce.AbstractInputFormat

getAuthenticationToken, getClientConfiguration, getInputTableConfig, getInputTableConfigs, getInstance, getLogLevel, getPrincipal, getScanAuthorizations, getSplits, getTabletLocator, getToken, getTokenClass, isConnectorInfoSet, setConnectorInfo, setConnectorInfo, setLogLevel, setMockInstance, setScanAuthorizations, setZooKeeperInstance, setZooKeeperInstance, validateOptions

Methods inherited from class java.lang.Object

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

Constructor Detail

ChunkInputFormat

public ChunkInputFormat()

Method Detail

createRecordReader

public org.apache.hadoop.mapreduce.RecordReader<List<Map.Entry<Key,Value>>,InputStream> createRecordReader(org.apache.hadoop.mapreduce.InputSplit split,
                                                                                                  org.apache.hadoop.mapreduce.TaskAttemptContext context)
                                                                                                    throws IOException,
                                                                                                           InterruptedException

Specified by:

createRecordReader in class org.apache.hadoop.mapreduce.InputFormat<List<Map.Entry<Key,Value>>,InputStream>

Throws:

IOException

InterruptedException