程序包 org.apache.hadoop.mapreduce.lib.output

类概要

类	说明
FileOutputCommitter	An OutputCommitter that commits files specified in job output directory i.e.
FileOutputFormat<K,V>	A base class for OutputFormats that read from FileSystems.
FilterOutputFormat<K,V>	FilterOutputFormat is a convenience class that wraps OutputFormat.
FilterOutputFormat.FilterRecordWriter<K,V>	FilterRecordWriter is a convenience wrapper class that extends the RecordWriter.
LazyOutputFormat<K,V>	A Convenience class that creates output lazily.
MultipleOutputs<KEYOUT,VALUEOUT>	The MultipleOutputs class simplifies writing output data to multiple outputs Case one: writing to additional outputs other than the job default output.
NullOutputFormat<K,V>	Consume all outputs and put them in /dev/null.
SequenceFileAsBinaryOutputFormat	An OutputFormat that writes keys, values to SequenceFiles in binary(raw) format
SequenceFileAsBinaryOutputFormat.WritableValueBytes	Inner class used for appendRaw
SequenceFileOutputFormat<K,V>	An OutputFormat that writes SequenceFiles.
TextOutputFormat<K,V>	An OutputFormat that writes plain text files.
TextOutputFormat.LineRecordWriter<K,V>

枚举概要

枚举	说明
FileOutputFormat.Counter