Package org.apache.hadoop.mapred

Interface Summary
InputFormat<K,V> Deprecated. Use InputFormat instead.
InputSplit Deprecated. Use InputSplit instead.
JobConfigurable Deprecated.
JobContext Deprecated. Use JobContext instead.
Mapper<K1,V1,K2,V2> Deprecated. Use Mapper instead.
MapRunnable<K1,V1,K2,V2> Deprecated. Use Mapper instead.
OutputCollector<K,V> Collects the <key, value> pairs output by Mappers and Reducers.
OutputFormat<K,V> Deprecated. Use OutputFormat instead.
Partitioner<K2,V2> Deprecated. Use Partitioner instead.
RecordReader<K,V> RecordReader reads <key, value> pairs from an InputSplit.
RecordWriter<K,V> RecordWriter writes the output <key, value> pairs to an output file.
Reducer<K2,V2,K3,V3> Deprecated. Use Reducer instead.
Reporter A facility for Map-Reduce applications to report progress and update counters, status information etc.
RunningJob Deprecated. Use Job instead
TaskAttemptContext Deprecated. Use TaskAttemptContext instead.
 

Class Summary
ClusterStatus Deprecated. Use ClusterMetrics or TaskTrackerInfo instead
Counters Deprecated. Use Counters instead.
FileInputFormat<K,V> Deprecated. Use FileInputFormat instead.
FileOutputCommitter An OutputCommitter that commits files specified in job output directory i.e.
FileOutputFormat<K,V> A base class for OutputFormat.
FileSplit Deprecated. Use FileSplit instead.
ID Deprecated.
JobClient Deprecated. Use Job and Cluster instead
JobConf Deprecated. Use Configuration instead
JobID Deprecated.
JobQueueInfo Deprecated. Use QueueInfo instead
JobStatus Deprecated. Use JobStatus instead
KeyValueLineRecordReader Deprecated. Use KeyValueLineRecordReader instead
KeyValueTextInputFormat Deprecated. Use KeyValueTextInputFormat instead
MapFileOutputFormat Deprecated. Use MapFileOutputFormat instead
MapReduceBase Deprecated.
MapRunner<K1,V1,K2,V2> Default MapRunnable implementation.
MultiFileInputFormat<K,V> Deprecated. Use CombineFileInputFormat instead
MultiFileSplit Deprecated. Use CombineFileSplit instead
OutputCommitter Deprecated. Use OutputCommitter instead.
OutputLogFilter Deprecated. Use Utils.OutputFileUtils.OutputLogFilter instead.
SequenceFileAsBinaryInputFormat Deprecated. Use SequenceFileAsBinaryInputFormat instead
SequenceFileAsBinaryOutputFormat Deprecated. Use SequenceFileAsBinaryOutputFormat instead
SequenceFileAsTextInputFormat Deprecated. Use SequenceFileAsTextInputFormat instead
SequenceFileAsTextRecordReader Deprecated. Use SequenceFileAsTextRecordReader instead
SequenceFileInputFilter<K,V> Deprecated. Use SequenceFileInputFilter instead
SequenceFileInputFormat<K,V> Deprecated. Use SequenceFileInputFormat instead.
SequenceFileOutputFormat<K,V> Deprecated. Use SequenceFileOutputFormat instead.
SequenceFileRecordReader<K,V> An RecordReader for SequenceFiles.
SkipBadRecords Utility class for skip bad records functionality.
TaskAttemptID Deprecated.
TaskCompletionEvent Deprecated. Use TaskCompletionEvent instead
TaskID Deprecated.
TaskReport Deprecated. Use TaskReport instead
TextInputFormat Deprecated. Use TextInputFormat instead.
TextOutputFormat<K,V> Deprecated. Use TextOutputFormat instead.
Utils A utility class.
 

Enum Summary
JobPriority Deprecated. Use JobPriority instead
TaskCompletionEvent.Status  
 

Exception Summary
FileAlreadyExistsException Deprecated.
InvalidFileTypeException Used when file type differs from the desired file type.
InvalidInputException This class wraps a list of problems with the input, so that the user can get a list of problems together instead of finding and fixing them one by one.
InvalidJobConfException This exception is thrown when jobconf misses some mendatory attributes or value of some attributes is invalid.
 



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