| Package | Description | 
|---|---|
| org.apache.hadoop.mapreduce | |
| org.apache.hadoop.mapreduce.lib.db | |
| org.apache.hadoop.mapreduce.lib.output | 
| Modifier and Type | Method and Description | 
|---|---|
| Class<? extends OutputFormat<?,?>> | JobContext. getOutputFormatClass()Get the  OutputFormatclass for the job. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | Job. setOutputFormatClass(Class<? extends OutputFormat> cls)Set the  OutputFormatfor the job. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DBOutputFormat<K extends DBWritable,V>A OutputFormat that sends the reduce output to a SQL table. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FileOutputFormat<K,V>A base class for  OutputFormats that read fromFileSystems. | 
| class  | FilterOutputFormat<K,V>FilterOutputFormat is a convenience class that wraps OutputFormat. | 
| class  | LazyOutputFormat<K,V>A Convenience class that creates output lazily. | 
| class  | MapFileOutputFormatAn  OutputFormatthat writesMapFiles. | 
| class  | NullOutputFormat<K,V>Consume all outputs and put them in /dev/null. | 
| class  | SequenceFileAsBinaryOutputFormatAn  OutputFormatthat writes keys, 
 values toSequenceFiles in binary(raw) format | 
| class  | SequenceFileOutputFormat<K,V>An  OutputFormatthat writesSequenceFiles. | 
| class  | TextOutputFormat<K,V>An  OutputFormatthat writes plain text files. | 
| Modifier and Type | Field and Description | 
|---|---|
| protected OutputFormat<K,V> | FilterOutputFormat. baseOut | 
| Modifier and Type | Method and Description | 
|---|---|
| static void | MultipleOutputs. addNamedOutput(Job job,
              String namedOutput,
              Class<? extends OutputFormat> outputFormatClass,
              Class<?> keyClass,
              Class<?> valueClass)Adds a named output for the job. | 
| static void | LazyOutputFormat. setOutputFormatClass(Job job,
                    Class<? extends OutputFormat> theClass)Set the underlying output format for LazyOutputFormat. | 
| Constructor and Description | 
|---|
| FilterOutputFormat(OutputFormat<K,V> baseOut)Create a FilterOutputFormat based on the underlying output format. | 
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