org.apache.hadoop.dynamodb.read

Class AbstractDynamoDBInputFormat<K,V>

java.lang.Object

org.apache.hadoop.dynamodb.read.AbstractDynamoDBInputFormat<K,V>

Type Parameters:

K - The type of Key that will be passed to the Mapper

V - The type of Value that will be passed to the Mapper

All Implemented Interfaces:

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

Direct Known Subclasses:

DynamoDBInputFormat

public abstract class AbstractDynamoDBInputFormat<K,V>
extends Object
implements org.apache.hadoop.mapred.InputFormat<K,V>

This abstract class has a subclass DynamoDBInputFormat that returns a RecordReader that assumes the mapper is taking in key-value pairs in <Text, DynamoDBItemWritable> format. A new subclass should be created if a different RecordReader is desired.

Constructor Summary

Constructors

Constructor and Description
AbstractDynamoDBInputFormat()

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.mapred.InputSplit[]	getSplits(org.apache.hadoop.mapred.JobConf conf, int desiredSplits)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.mapred.InputFormat

getRecordReader

Constructor Detail

AbstractDynamoDBInputFormat

public AbstractDynamoDBInputFormat()

Method Detail

getSplits

public org.apache.hadoop.mapred.InputSplit[] getSplits(org.apache.hadoop.mapred.JobConf conf,
                                                       int desiredSplits)
                                                throws IOException

Specified by:

getSplits in interface org.apache.hadoop.mapred.InputFormat<K,V>

Throws:

IOException