Class Summary |
CombineFileInputFormat<K,V> |
An abstract InputFormat that returns CombineFileSplit 's in
InputFormat.getSplits(JobContext) method. |
CombineFileRecordReader<K,V> |
A generic RecordReader that can hand out different recordReaders
for each chunk in a CombineFileSplit . |
CombineFileSplit |
A sub-collection of input files. |
DelegatingInputFormat<K,V> |
An InputFormat that delegates behavior of paths to multiple other
InputFormats. |
DelegatingMapper<K1,V1,K2,V2> |
An Mapper that delegates behavior of paths to multiple other
mappers. |
DelegatingRecordReader<K,V> |
This is a delegating RecordReader, which delegates the functionality to the
underlying record reader in TaggedInputSplit |
FileInputFormat<K,V> |
A base class for file-based InputFormat s. |
FileSplit |
A section of an input file. |
KeyValueLineRecordReader |
This class treats a line in the input as a key/value pair separated by a
separator character. |
KeyValueTextInputFormat |
An InputFormat for plain text files. |
LineRecordReader |
Treats keys as offset in file and value as line. |
MultipleInputs |
This class supports MapReduce jobs that have multiple input paths with
a different InputFormat and Mapper for each path |
SequenceFileInputFormat<K,V> |
An InputFormat for SequenceFile s. |
SequenceFileRecordReader<K,V> |
An RecordReader for SequenceFile s. |
TextInputFormat |
An InputFormat for plain text files. |