Package org.apache.hadoop.hbase.mapreduce

• Interface Summary 

  Interface	Description
  LoadIncrementalHFiles.BulkHFileVisitor<TFamily>
  VisibilityExpressionResolver	Interface to convert visibility expressions into Tags for storing along with Cells in HFiles.

• Class Summary 

  Class	Description
  CellCounter	A job with a a map and reduce phase to count cells in a table.
  CellCounter.CellCounterMapper	Mapper that runs the count.
  CellCounter.IntSumReducer<Key>
  CellCreator	Facade to create Cells for HFileOutputFormat.
  CopyTable	Tool used to copy a table to another one which can be on a different setup.
  DefaultVisibilityExpressionResolver	This implementation creates tags by expanding expression using label ordinal.
  Driver	Driver for hbase mapreduce jobs.
  Export	Export an HBase table.
  GroupingTableMapper	Extract grouping columns from input record.
  HashTable
  HashTable.HashMapper
  HashTable.ResultHasher
  HashTable.TableHash
  HFileOutputFormat	Deprecated use HFileOutputFormat2 instead.
  HFileOutputFormat2	Writes HFiles.
  HFileOutputFormat2.WriterLength
  HLogInputFormat	Deprecated use WALInputFormat
  HLogInputFormat.HLogKeyRecordReader	RecordReader that pulls out the legacy HLogKey format directly.
  HRegionPartitioner<KEY,VALUE>	This is used to partition the output keys into groups of keys.
  IdentityTableMapper	Pass the given key and record as-is to the reduce phase.
  IdentityTableReducer	Convenience class that simply writes all values (which must be Put or Delete instances) passed to it out to the configured HBase table.
  Import	Import data written by Export.
  Import.Importer	Write table content out to files in hdfs.
  Import.KeyValueImporter	A mapper that just writes out KeyValues.
  ImportTsv	Tool to import data from a TSV file.
  ImportTsv.TsvParser
  IndexBuilder	Example map/reduce job to construct index tables that can be used to quickly find a row based on the value of a column.
  IndexBuilder.Map	Internal Mapper to be run by Hadoop.
  JarFinder	Finds the Jar for a class.
  JobUtil	Utility methods to interact with a job.
  KeyValueSerialization
  KeyValueSerialization.KeyValueDeserializer
  KeyValueSerialization.KeyValueSerializer
  KeyValueSortReducer	Emits sorted KeyValues.
  LoadIncrementalHFiles	Tool to load the output of HFileOutputFormat into an existing table.
  LoadIncrementalHFiles.LoadQueueItem	Represents an HFile waiting to be loaded.
  MultiTableInputFormat	Convert HBase tabular data from multiple scanners into a format that is consumable by Map/Reduce.
  MultiTableInputFormatBase	A base for MultiTableInputFormats.
  MultiTableOutputFormat	Hadoop output format that writes to one or more HBase tables.
  MultiTableOutputFormat.MultiTableRecordWriter	Record writer for outputting to multiple HTables.
  MultiTableSnapshotInputFormat	MultiTableSnapshotInputFormat generalizes TableSnapshotInputFormat allowing a MapReduce job to run over one or more table snapshots, with one or more scans configured for each.
  MultiTableSnapshotInputFormatImpl	Shared implementation of mapreduce code over multiple table snapshots.
  MultithreadedTableMapper<K2,V2>	Multithreaded implementation for @link org.apache.hbase.mapreduce.TableMapper
  MutationSerialization
  MutationSerialization.MutationDeserializer
  MutationSerialization.MutationSerializer
  PutCombiner<K>	Combine Puts.
  PutSortReducer	Emits sorted Puts.
  ResultSerialization
  ResultSerialization.Result94Deserializer	The following deserializer class is used to load exported file of 0.94
  ResultSerialization.ResultDeserializer
  ResultSerialization.ResultSerializer
  RowCounter	A job with a just a map phase to count rows.
  RowCounter.RowCounterMapper	Mapper that runs the count.
  SampleUploader	Sample Uploader MapReduce
  SampleUploader.Uploader
  SimpleTotalOrderPartitioner<VALUE>	A partitioner that takes start and end keys and uses bigdecimal to figure which reduce a key belongs to.
  SyncTable
  SyncTable.SyncMapper
  SyncTable.SyncMapper.CellScanner
  TableInputFormat	Convert HBase tabular data into a format that is consumable by Map/Reduce.
  TableInputFormatBase	A base for TableInputFormats.
  TableMapper<KEYOUT,VALUEOUT>	Extends the base Mapper class to add the required input key and value classes.
  TableMapReduceUtil	Utility for TableMapper and TableReducer
  TableOutputCommitter	Small committer class that does not do anything.
  TableOutputFormat<KEY>	Convert Map/Reduce output and write it to an HBase table.
  TableRecordReader	Iterate over an HBase table data, return (ImmutableBytesWritable, Result) pairs.
  TableRecordReaderImpl	Iterate over an HBase table data, return (ImmutableBytesWritable, Result) pairs.
  TableReducer<KEYIN,VALUEIN,KEYOUT>	Extends the basic Reducer class to add the required key and value input/output classes.
  TableSnapshotInputFormat	TableSnapshotInputFormat allows a MapReduce job to run over a table snapshot.
  TableSnapshotInputFormat.TableSnapshotRegionRecordReader
  TableSnapshotInputFormat.TableSnapshotRegionSplit
  TableSnapshotInputFormatImpl	Hadoop MR API-agnostic implementation for mapreduce over table snapshots.
  TableSnapshotInputFormatImpl.InputSplit	Implementation class for InputSplit logic common between mapred and mapreduce.
  TableSnapshotInputFormatImpl.RecordReader	Implementation class for RecordReader logic common between mapred and mapreduce.
  TableSplit	A table split corresponds to a key range (low, high) and an optional scanner.
  TextSortReducer	Emits Sorted KeyValues.
  TsvImporterMapper	Write table content out to files in hdfs.
  TsvImporterTextMapper	Write table content out to map output files.
  WALInputFormat	Simple InputFormat for WAL files.
  WALInputFormat.WALKeyRecordReader	handler for non-deprecated WALKey version.
  WALInputFormat.WALRecordReader<K extends WALKey>	RecordReader for an WAL file.
  WALInputFormat.WALSplit	InputSplit for WAL files.
  WALPlayer	A tool to replay WAL files as a M/R job.
  WALPlayer.WALKeyValueMapper	A mapper that just writes out KeyValues.
  WALPlayer.WALMapper	A mapper that writes out Mutation to be directly applied to a running HBase instance.

• Enum Summary 

  Enum	Description
  CellCounter.CellCounterMapper.Counters	Counter enumeration to count the actual rows.
  RowCounter.RowCounterMapper.Counters	Counter enumeration to count the actual rows.
  SyncTable.SyncMapper.Counter
  TableSplit.Version

• Exception Summary 

  Exception	Description
  ImportTsv.TsvParser.BadTsvLineException

Package org.apache.hadoop.hbase.mapreduce Description