Uses of Class
org.apache.hadoop.mapreduce.InputFormat

Packages that use InputFormat
org.apache.hadoop.examples Hadoop example code. 
org.apache.hadoop.examples.pi This package consists of a map/reduce application, distbbp, which computes exact binary digits of the mathematical constant π. 
org.apache.hadoop.examples.terasort This package consists of 3 map/reduce applications for Hadoop to compete in the annual terabyte sort competition. 
org.apache.hadoop.mapreduce   
org.apache.hadoop.mapreduce.lib.db org.apache.hadoop.mapred.lib.db Package 
org.apache.hadoop.mapreduce.lib.input   
org.apache.hadoop.mapreduce.lib.join Given a set of sorted datasets keyed with the same class and yielding equal partitions, it is possible to effect a join of those datasets prior to the map. 
org.apache.hadoop.mapreduce.lib.map   
org.apache.hadoop.mapreduce.lib.partition   
org.apache.hadoop.mapreduce.lib.reduce   
 

Uses of InputFormat in org.apache.hadoop.examples
 

Subclasses of InputFormat in org.apache.hadoop.examples
static class BaileyBorweinPlouffe.BbpInputFormat
          Input format for the BaileyBorweinPlouffe.BbpMapper.
static class MultiFileWordCount.MyInputFormat
          To use CombineFileInputFormat, one should extend it, to return a (custom) RecordReader.
 

Uses of InputFormat in org.apache.hadoop.examples.pi
 

Subclasses of InputFormat in org.apache.hadoop.examples.pi
static class DistSum.Machine.AbstractInputFormat
          An abstract InputFormat for the jobs
static class DistSum.MapSide.PartitionInputFormat
          An InputFormat which partitions a summation
static class DistSum.ReduceSide.SummationInputFormat
          An InputFormat which returns a single summation.
 

Uses of InputFormat in org.apache.hadoop.examples.terasort
 

Subclasses of InputFormat in org.apache.hadoop.examples.terasort
 class TeraInputFormat
          An input format that reads the first 10 characters of each line as the key and the rest of the line as the value.
 

Uses of InputFormat in org.apache.hadoop.mapreduce
 

Methods in org.apache.hadoop.mapreduce that return types with arguments of type InputFormat
 Class<? extends InputFormat<?,?>> JobContext.getInputFormatClass()
          Get the InputFormat class for the job.
 

Method parameters in org.apache.hadoop.mapreduce with type arguments of type InputFormat
 void Job.setInputFormatClass(Class<? extends InputFormat> cls)
          Set the InputFormat for the job.
 

Uses of InputFormat in org.apache.hadoop.mapreduce.lib.db
 

Subclasses of InputFormat in org.apache.hadoop.mapreduce.lib.db
 class DataDrivenDBInputFormat<T extends DBWritable>
          A InputFormat that reads input data from an SQL table.
 class DBInputFormat<T extends DBWritable>
          A InputFormat that reads input data from an SQL table.
 class OracleDataDrivenDBInputFormat<T extends DBWritable>
          A InputFormat that reads input data from an SQL table in an Oracle db.
 

Uses of InputFormat in org.apache.hadoop.mapreduce.lib.input
 

Subclasses of InputFormat in org.apache.hadoop.mapreduce.lib.input
 class CombineFileInputFormat<K,V>
          An abstract InputFormat that returns CombineFileSplit's in getSplits(JobContext) method.
 class FileInputFormat<K,V>
          A base class for file-based InputFormats.
 class KeyValueTextInputFormat
          An InputFormat for plain text files.
 class NLineInputFormat
          NLineInputFormat which splits N lines of input as one split.
 class SequenceFileAsBinaryInputFormat
          InputFormat reading keys, values from SequenceFiles in binary (raw) format.
 class SequenceFileAsTextInputFormat
          This class is similar to SequenceFileInputFormat, except it generates SequenceFileAsTextRecordReader which converts the input keys and values to their String forms by calling toString() method.
 class SequenceFileInputFilter<K,V>
          A class that allows a map/red job to work on a sample of sequence files.
 class SequenceFileInputFormat<K,V>
          An InputFormat for SequenceFiles.
 class TextInputFormat
          An InputFormat for plain text files.
 

Method parameters in org.apache.hadoop.mapreduce.lib.input with type arguments of type InputFormat
static void MultipleInputs.addInputPath(Job job, org.apache.hadoop.fs.Path path, Class<? extends InputFormat> inputFormatClass)
          Add a Path with a custom InputFormat to the list of inputs for the map-reduce job.
static void MultipleInputs.addInputPath(Job job, org.apache.hadoop.fs.Path path, Class<? extends InputFormat> inputFormatClass, Class<? extends Mapper> mapperClass)
          Add a Path with a custom InputFormat and Mapper to the list of inputs for the map-reduce job.
 

Uses of InputFormat in org.apache.hadoop.mapreduce.lib.join
 

Subclasses of InputFormat in org.apache.hadoop.mapreduce.lib.join
 class ComposableInputFormat<K extends WritableComparable<?>,V extends Writable>
          Refinement of InputFormat requiring implementors to provide ComposableRecordReader instead of RecordReader.
 class CompositeInputFormat<K extends WritableComparable>
          An InputFormat capable of performing joins over a set of data sources sorted and partitioned the same way.
static class Parser.Node
           
 

Method parameters in org.apache.hadoop.mapreduce.lib.join with type arguments of type InputFormat
static String CompositeInputFormat.compose(Class<? extends InputFormat> inf, String path)
          Convenience method for constructing composite formats.
static String CompositeInputFormat.compose(String op, Class<? extends InputFormat> inf, org.apache.hadoop.fs.Path... path)
          Convenience method for constructing composite formats.
static String CompositeInputFormat.compose(String op, Class<? extends InputFormat> inf, String... path)
          Convenience method for constructing composite formats.
 

Uses of InputFormat in org.apache.hadoop.mapreduce.lib.map
 

Methods in org.apache.hadoop.mapreduce.lib.map that return types with arguments of type InputFormat
 Class<? extends InputFormat<?,?>> WrappedMapper.Context.getInputFormatClass()
           
 

Uses of InputFormat in org.apache.hadoop.mapreduce.lib.partition
 

Methods in org.apache.hadoop.mapreduce.lib.partition with parameters of type InputFormat
 K[] InputSampler.Sampler.getSample(InputFormat<K,V> inf, Job job)
          For a given job, collect and return a subset of the keys from the input data.
 K[] InputSampler.SplitSampler.getSample(InputFormat<K,V> inf, Job job)
          From each split sampled, take the first numSamples / numSplits records.
 K[] InputSampler.RandomSampler.getSample(InputFormat<K,V> inf, Job job)
          Randomize the split order, then take the specified number of keys from each split sampled, where each key is selected with the specified probability and possibly replaced by a subsequently selected key when the quota of keys from that split is satisfied.
 K[] InputSampler.IntervalSampler.getSample(InputFormat<K,V> inf, Job job)
          For each split sampled, emit when the ratio of the number of records retained to the total record count is less than the specified frequency.
 

Uses of InputFormat in org.apache.hadoop.mapreduce.lib.reduce
 

Methods in org.apache.hadoop.mapreduce.lib.reduce that return types with arguments of type InputFormat
 Class<? extends InputFormat<?,?>> WrappedReducer.Context.getInputFormatClass()
           
 



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