org.apache.tez.mapreduce.input

Class MRInputLegacy

java.lang.Object

org.apache.tez.runtime.api.AbstractLogicalInput

org.apache.tez.mapreduce.input.base.MRInputBase

org.apache.tez.mapreduce.input.MRInput

org.apache.tez.mapreduce.input.MRInputLegacy

All Implemented Interfaces:

org.apache.tez.runtime.api.Input, org.apache.tez.runtime.api.InputFrameworkInterface, org.apache.tez.runtime.api.LogicalInput, org.apache.tez.runtime.api.LogicalInputFrameworkInterface

@InterfaceAudience.LimitedPrivate(value="Hive")
public class MRInputLegacy
extends MRInput

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.tez.mapreduce.input.MRInput

MRInput.MRInputConfigBuilder

Field Summary

Fields inherited from class org.apache.tez.mapreduce.input.MRInput

mrReader, splitMetaInfo, TEZ_MAPREDUCE_APPLICATION_ID, TEZ_MAPREDUCE_DAG_ATTEMPT_NUMBER, TEZ_MAPREDUCE_DAG_ID, TEZ_MAPREDUCE_DAG_INDEX, TEZ_MAPREDUCE_DAG_NAME, TEZ_MAPREDUCE_INPUT_INDEX, TEZ_MAPREDUCE_INPUT_NAME, TEZ_MAPREDUCE_TASK_ATTEMPT_ID, TEZ_MAPREDUCE_TASK_ATTEMPT_INDEX, TEZ_MAPREDUCE_TASK_ID, TEZ_MAPREDUCE_TASK_INDEX, TEZ_MAPREDUCE_UNIQUE_IDENTIFIER, TEZ_MAPREDUCE_VERTEX_ID, TEZ_MAPREDUCE_VERTEX_INDEX, TEZ_MAPREDUCE_VERTEX_NAME

Fields inherited from class org.apache.tez.mapreduce.input.base.MRInputBase

inputRecordCounter, jobConf, useNewApi

Constructor Summary

Constructors

Constructor and Description
MRInputLegacy(org.apache.tez.runtime.api.InputContext inputContext, int numPhysicalInputs)

Method Summary

Methods

Modifier and Type	Method and Description
static MRInput.MRInputConfigBuilder	createConfigBuilder(org.apache.hadoop.conf.Configuration conf, Class<?> inputFormat) Create an MRInput.MRInputConfigBuilder
static MRInput.MRInputConfigBuilder	createConfigBuilder(org.apache.hadoop.conf.Configuration conf, Class<?> inputFormat, String inputPaths) Create an MRInput.MRInputConfigBuilder for a FileInputFormat
org.apache.hadoop.mapreduce.InputSplit	getNewInputSplit()
org.apache.hadoop.mapreduce.RecordReader	getNewRecordReader()
org.apache.hadoop.mapred.InputSplit	getOldInputSplit()
org.apache.hadoop.mapred.RecordReader	getOldRecordReader()
float	getProgress()
void	init()
protected void	initializeInternal()
boolean	isUsingNewApi()

Methods inherited from class org.apache.tez.mapreduce.input.MRInput

close, getConfigUpdates, getReader, handleEvents, initialize, start

Methods inherited from class org.apache.tez.runtime.api.AbstractLogicalInput

getContext, getNumPhysicalInputs

Methods inherited from class java.lang.Object

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

Constructor Detail

MRInputLegacy

public MRInputLegacy(org.apache.tez.runtime.api.InputContext inputContext,
             int numPhysicalInputs)

Method Detail

createConfigBuilder

public static MRInput.MRInputConfigBuilder createConfigBuilder(org.apache.hadoop.conf.Configuration conf,
                                               Class<?> inputFormat)

Create an MRInput.MRInputConfigBuilder

Parameters:

conf - Configuration for the MRInputLegacy

inputFormat - InputFormat derived class

Returns:

MRInput.MRInputConfigBuilder

createConfigBuilder

public static MRInput.MRInputConfigBuilder createConfigBuilder(org.apache.hadoop.conf.Configuration conf,
                                               Class<?> inputFormat,
                                               String inputPaths)

Create an MRInput.MRInputConfigBuilder for a FileInputFormat

Parameters:

conf - Configuration for the MRInputLegacy

inputFormat - FileInputFormat derived class

inputPaths - Comma separated input paths

Returns:

MRInput.MRInputConfigBuilder

initializeInternal

@InterfaceAudience.Private
protected void initializeInternal()
                           throws IOException

Throws:

IOException

getNewInputSplit

@InterfaceAudience.Private
public org.apache.hadoop.mapreduce.InputSplit getNewInputSplit()

getNewRecordReader

@InterfaceStability.Unstable
public org.apache.hadoop.mapreduce.RecordReader getNewRecordReader()

getProgress

public float getProgress()
                  throws org.apache.tez.runtime.api.ProgressFailedException,
                         InterruptedException

Overrides:

getProgress in class MRInput

Throws:

org.apache.tez.runtime.api.ProgressFailedException

InterruptedException

getOldInputSplit

@InterfaceAudience.Private
public org.apache.hadoop.mapred.InputSplit getOldInputSplit()

isUsingNewApi

@InterfaceStability.Unstable
public boolean isUsingNewApi()

getOldRecordReader

@InterfaceAudience.Private
public org.apache.hadoop.mapred.RecordReader getOldRecordReader()

init

@InterfaceAudience.LimitedPrivate(value="hive")
public void init()
          throws IOException

Throws:

IOException