Uses of Class
org.apache.hadoop.hbase.io.ImmutableBytesWritable

Packages that use ImmutableBytesWritable

Package	Description
org.apache.hadoop.hbase.io
org.apache.hadoop.hbase.mapred	Provides HBase MapReduce Input/OutputFormats, a table indexing MapReduce job, and utility methods.
org.apache.hadoop.hbase.mapreduce	Provides HBase MapReduce Input/OutputFormats, a table indexing MapReduce job, and utility methods.
org.apache.hadoop.hbase.mapreduce.replication
org.apache.hadoop.hbase.mob.mapreduce

Uses of ImmutableBytesWritable in org.apache.hadoop.hbase.io

Methods in org.apache.hadoop.hbase.io with parameters of type ImmutableBytesWritable

Modifier and Type	Method and Description
int	ImmutableBytesWritable.compareTo(ImmutableBytesWritable that) Define the sort order of the BytesWritable.

Constructors in org.apache.hadoop.hbase.io with parameters of type ImmutableBytesWritable

Constructor and Description
ImmutableBytesWritable(ImmutableBytesWritable ibw) Set the new ImmutableBytesWritable to the contents of the passed ibw.

Uses of ImmutableBytesWritable in org.apache.hadoop.hbase.mapred

Methods in org.apache.hadoop.hbase.mapred that return ImmutableBytesWritable

Modifier and Type	Method and Description
protected ImmutableBytesWritable	GroupingTableMap.createGroupKey(byte[][] vals) Create a key by concatenating multiple column values.
ImmutableBytesWritable	TableSnapshotInputFormat.TableSnapshotRecordReader.createKey()
ImmutableBytesWritable	TableRecordReader.createKey() n *
ImmutableBytesWritable	TableRecordReaderImpl.createKey() n *

Methods in org.apache.hadoop.hbase.mapred that return types with arguments of type ImmutableBytesWritable

Modifier and Type	Method and Description
org.apache.hadoop.mapred.RecordReader<ImmutableBytesWritable,Result>	TableInputFormatBase.getRecordReader(org.apache.hadoop.mapred.InputSplit split, org.apache.hadoop.mapred.JobConf job, org.apache.hadoop.mapred.Reporter reporter) Builds a TableRecordReader.
org.apache.hadoop.mapred.RecordReader<ImmutableBytesWritable,Result>	MultiTableSnapshotInputFormat.getRecordReader(org.apache.hadoop.mapred.InputSplit split, org.apache.hadoop.mapred.JobConf job, org.apache.hadoop.mapred.Reporter reporter)
org.apache.hadoop.mapred.RecordReader<ImmutableBytesWritable,Result>	TableSnapshotInputFormat.getRecordReader(org.apache.hadoop.mapred.InputSplit split, org.apache.hadoop.mapred.JobConf job, org.apache.hadoop.mapred.Reporter reporter)

Methods in org.apache.hadoop.hbase.mapred with parameters of type ImmutableBytesWritable

Modifier and Type	Method and Description
int	HRegionPartitioner.getPartition(ImmutableBytesWritable key, V2 value, int numPartitions)
void	RowCounter.RowCounterMapper.map(ImmutableBytesWritable row, Result values, org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Result> output, org.apache.hadoop.mapred.Reporter reporter)
void	GroupingTableMap.map(ImmutableBytesWritable key, Result value, org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Result> output, org.apache.hadoop.mapred.Reporter reporter) Extract the grouping columns from value to construct a new key.
void	IdentityTableMap.map(ImmutableBytesWritable key, Result value, org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Result> output, org.apache.hadoop.mapred.Reporter reporter) Pass the key, value to reduce nnnnn
boolean	TableSnapshotInputFormat.TableSnapshotRecordReader.next(ImmutableBytesWritable key, Result value)
boolean	TableRecordReader.next(ImmutableBytesWritable key, Result value)
boolean	TableRecordReaderImpl.next(ImmutableBytesWritable key, Result value)
void	IdentityTableReduce.reduce(ImmutableBytesWritable key, Iterator<Put> values, org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Put> output, org.apache.hadoop.mapred.Reporter reporter) No aggregation, output pairs of (key, record) nnnnn
void	TableOutputFormat.TableRecordWriter.write(ImmutableBytesWritable key, Put value)

Method parameters in org.apache.hadoop.hbase.mapred with type arguments of type ImmutableBytesWritable

Modifier and Type	Method and Description
void	RowCounter.RowCounterMapper.map(ImmutableBytesWritable row, Result values, org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Result> output, org.apache.hadoop.mapred.Reporter reporter)
void	GroupingTableMap.map(ImmutableBytesWritable key, Result value, org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Result> output, org.apache.hadoop.mapred.Reporter reporter) Extract the grouping columns from value to construct a new key.
void	IdentityTableMap.map(ImmutableBytesWritable key, Result value, org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Result> output, org.apache.hadoop.mapred.Reporter reporter) Pass the key, value to reduce nnnnn
void	IdentityTableReduce.reduce(ImmutableBytesWritable key, Iterator<Put> values, org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Put> output, org.apache.hadoop.mapred.Reporter reporter) No aggregation, output pairs of (key, record) nnnnn

Uses of ImmutableBytesWritable in org.apache.hadoop.hbase.mapreduce

Fields in org.apache.hadoop.hbase.mapreduce declared as ImmutableBytesWritable

Modifier and Type	Field and Description
private ImmutableBytesWritable	HashTable.ResultHasher.batchHash
private ImmutableBytesWritable	HashTable.ResultHasher.batchStartKey
private ImmutableBytesWritable	HashTable.HashMapper.currentRow
(package private) ImmutableBytesWritable	SyncTable.SyncMapper.currentSourceHash
private ImmutableBytesWritable	HashTable.TableHash.Reader.hash
private ImmutableBytesWritable	MultithreadedTableMapper.SubMapRecordReader.key
private ImmutableBytesWritable	TableRecordReaderImpl.key
private ImmutableBytesWritable	HashTable.TableHash.Reader.key
(package private) ImmutableBytesWritable	SyncTable.SyncMapper.nextSourceKey
private ImmutableBytesWritable	TableSnapshotInputFormatImpl.RecordReader.row

Fields in org.apache.hadoop.hbase.mapreduce with type parameters of type ImmutableBytesWritable

Modifier and Type	Field and Description
private TreeMap<byte[],ImmutableBytesWritable>	IndexBuilder.Map.indexes
private Class<? extends org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,K2,V2>>	MultithreadedTableMapper.mapClass
private org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,K2,V2>	MultithreadedTableMapper.MapRunner.mapper
(package private) Map<ImmutableBytesWritable,BufferedMutator>	MultiTableOutputFormat.MultiTableRecordWriter.mutatorMap
(package private) List<ImmutableBytesWritable>	HashTable.TableHash.partitions

Methods in org.apache.hadoop.hbase.mapreduce that return ImmutableBytesWritable

Modifier and Type	Method and Description
protected ImmutableBytesWritable	GroupingTableMapper.createGroupKey(byte[][] vals) Create a key by concatenating multiple column values.
ImmutableBytesWritable	HashTable.ResultHasher.getBatchHash()
ImmutableBytesWritable	HashTable.ResultHasher.getBatchStartKey()
ImmutableBytesWritable	HashTable.TableHash.Reader.getCurrentHash() Get the current hash
ImmutableBytesWritable	TableSnapshotInputFormat.TableSnapshotRegionRecordReader.getCurrentKey()
ImmutableBytesWritable	TableRecordReader.getCurrentKey() Returns the current key.
ImmutableBytesWritable	MultithreadedTableMapper.SubMapRecordReader.getCurrentKey()
ImmutableBytesWritable	TableSnapshotInputFormatImpl.RecordReader.getCurrentKey()
ImmutableBytesWritable	TableRecordReaderImpl.getCurrentKey() Returns the current key.
ImmutableBytesWritable	HashTable.TableHash.Reader.getCurrentKey() Get the current key

Methods in org.apache.hadoop.hbase.mapreduce that return types with arguments of type ImmutableBytesWritable

Modifier and Type	Method and Description
org.apache.hadoop.mapreduce.RecordReader<ImmutableBytesWritable,Result>	TableInputFormatBase.createRecordReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context) Builds a TableRecordReader.
org.apache.hadoop.mapreduce.RecordReader<ImmutableBytesWritable,Result>	TableSnapshotInputFormat.createRecordReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)
org.apache.hadoop.mapreduce.RecordReader<ImmutableBytesWritable,Result>	MultiTableInputFormatBase.createRecordReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context) Builds a TableRecordReader.
(package private) static <V extends Cell> org.apache.hadoop.mapreduce.RecordWriter<ImmutableBytesWritable,V>	HFileOutputFormat2.createRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context, org.apache.hadoop.mapreduce.OutputCommitter committer)
static <K2,V2> Class<org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,K2,V2>>	MultithreadedTableMapper.getMapperClass(org.apache.hadoop.mapreduce.JobContext job) Get the application's mapper class.
org.apache.hadoop.mapreduce.RecordWriter<ImmutableBytesWritable,Cell>	HFileOutputFormat2.getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context)
org.apache.hadoop.mapreduce.RecordWriter<ImmutableBytesWritable,Mutation>	MultiTableOutputFormat.getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context)
private static List<ImmutableBytesWritable>	HFileOutputFormat2.getRegionStartKeys(List<RegionLocator> regionLocators, boolean writeMultipleTables) Return the start keys of all of the regions in this table, as a list of ImmutableBytesWritable.

Methods in org.apache.hadoop.hbase.mapreduce with parameters of type ImmutableBytesWritable

Modifier and Type	Method and Description
static byte[]	MultiTableHFileOutputFormat.createCompositeKey(byte[] tableName, ImmutableBytesWritable suffix) Alternate api which accepts an ImmutableBytesWritable for the suffix
static byte[]	MultiTableHFileOutputFormat.createCompositeKey(String tableName, ImmutableBytesWritable suffix) Alternate api which accepts a String for the tableName and ImmutableBytesWritable for the suffix
(package private) BufferedMutator	MultiTableOutputFormat.MultiTableRecordWriter.getBufferedMutator(ImmutableBytesWritable tableName) n * the name of the table, as a string
int	HRegionPartitioner.getPartition(ImmutableBytesWritable key, VALUE value, int numPartitions) Gets the partition number for a given key (hence record) given the total number of partitions i.e.
int	SimpleTotalOrderPartitioner.getPartition(ImmutableBytesWritable key, VALUE value, int reduces)
void	Import.CellImporter.map(ImmutableBytesWritable row, Result value, org.apache.hadoop.mapreduce.Mapper.Context context)
protected void	HashTable.HashMapper.map(ImmutableBytesWritable key, Result value, org.apache.hadoop.mapreduce.Mapper.Context context)
void	Import.KeyValueImporter.map(ImmutableBytesWritable row, Result value, org.apache.hadoop.mapreduce.Mapper.Context context) Deprecated.
protected void	SyncTable.SyncMapper.map(ImmutableBytesWritable key, Result value, org.apache.hadoop.mapreduce.Mapper.Context context)
void	Import.Importer.map(ImmutableBytesWritable row, Result value, org.apache.hadoop.mapreduce.Mapper.Context context)
protected void	IndexBuilder.Map.map(ImmutableBytesWritable rowKey, Result result, org.apache.hadoop.mapreduce.Mapper.Context context)
void	IdentityTableMapper.map(ImmutableBytesWritable key, Result value, org.apache.hadoop.mapreduce.Mapper.Context context) Pass the key, value to reduce.
void	RowCounter.RowCounterMapper.map(ImmutableBytesWritable row, Result values, org.apache.hadoop.mapreduce.Mapper.Context context) Maps the data.
void	GroupingTableMapper.map(ImmutableBytesWritable key, Result value, org.apache.hadoop.mapreduce.Mapper.Context context) Extract the grouping columns from value to construct a new key.
void	Import.CellSortImporter.map(ImmutableBytesWritable row, Result value, org.apache.hadoop.mapreduce.Mapper.Context context)
void	Import.KeyValueSortImporter.map(ImmutableBytesWritable row, Result value, org.apache.hadoop.mapreduce.Mapper.Context context) Deprecated.
void	CellCounter.CellCounterMapper.map(ImmutableBytesWritable row, Result values, org.apache.hadoop.mapreduce.Mapper.Context context) Maps the data.
HashTable.TableHash.Reader	HashTable.TableHash.newReader(org.apache.hadoop.conf.Configuration conf, ImmutableBytesWritable startKey) Open a TableHash.Reader starting at the first hash at or after the given key.
protected void	Import.Importer.processKV(ImmutableBytesWritable key, Result result, org.apache.hadoop.mapreduce.Mapper.Context context, Put put, Delete delete)
protected void	CellSortReducer.reduce(ImmutableBytesWritable row, Iterable<Cell> kvs, org.apache.hadoop.mapreduce.Reducer.Context context)
protected void	KeyValueSortReducer.reduce(ImmutableBytesWritable row, Iterable<KeyValue> kvs, org.apache.hadoop.mapreduce.Reducer.Context context) Deprecated.
protected void	PutSortReducer.reduce(ImmutableBytesWritable row, Iterable<Put> puts, org.apache.hadoop.mapreduce.Reducer.Context context)
protected void	TextSortReducer.reduce(ImmutableBytesWritable rowKey, Iterable<org.apache.hadoop.io.Text> lines, org.apache.hadoop.mapreduce.Reducer.Context context)
void	HashTable.ResultHasher.startBatch(ImmutableBytesWritable row)
private void	SyncTable.SyncMapper.syncRange(org.apache.hadoop.mapreduce.Mapper.Context context, ImmutableBytesWritable startRow, ImmutableBytesWritable stopRow) Rescan the given range directly from the source and target tables.
private static String	SyncTable.SyncMapper.toHex(ImmutableBytesWritable bytes)
void	MultiTableOutputFormat.MultiTableRecordWriter.write(ImmutableBytesWritable tableName, Mutation action) Writes an action (Put or Delete) to the specified table.
private void	Import.Importer.writeResult(ImmutableBytesWritable key, Result result, org.apache.hadoop.mapreduce.Mapper.Context context)

Method parameters in org.apache.hadoop.hbase.mapreduce with type arguments of type ImmutableBytesWritable

Modifier and Type	Method and Description
(package private) static void	HFileOutputFormat2.configurePartitioner(org.apache.hadoop.mapreduce.Job job, List<ImmutableBytesWritable> splitPoints, boolean writeMultipleTables) Configure job with a TotalOrderPartitioner, partitioning against splitPoints.
static <K2,V2> void	MultithreadedTableMapper.setMapperClass(org.apache.hadoop.mapreduce.Job job, Class<? extends org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,K2,V2>> cls) Set the application's mapper class.
private static void	HFileOutputFormat2.writePartitions(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path partitionsPath, List<ImmutableBytesWritable> startKeys, boolean writeMultipleTables) Write out a SequenceFile that can be read by TotalOrderPartitioner that contains the split points in startKeys.

Constructors in org.apache.hadoop.hbase.mapreduce with parameters of type ImmutableBytesWritable

Constructor and Description
Reader(org.apache.hadoop.conf.Configuration conf, ImmutableBytesWritable startKey)

Uses of ImmutableBytesWritable in org.apache.hadoop.hbase.mapreduce.replication

Methods in org.apache.hadoop.hbase.mapreduce.replication with parameters of type ImmutableBytesWritable

Modifier and Type	Method and Description
void	VerifyReplication.Verifier.map(ImmutableBytesWritable row, Result value, org.apache.hadoop.mapreduce.Mapper.Context context) Map method that compares every scanned row with the equivalent from a distant cluster.

Uses of ImmutableBytesWritable in org.apache.hadoop.hbase.mob.mapreduce

Methods in org.apache.hadoop.hbase.mob.mapreduce with parameters of type ImmutableBytesWritable

Modifier and Type	Method and Description
void	MobRefReporter.MobRefMapper.map(ImmutableBytesWritable r, Result columns, org.apache.hadoop.mapreduce.Mapper.Context context)

Method parameters in org.apache.hadoop.hbase.mob.mapreduce with type arguments of type ImmutableBytesWritable

Modifier and Type	Method and Description
private org.apache.hadoop.io.Text	MobRefReporter.MobRefReducer.encodeRows(org.apache.hadoop.mapreduce.Reducer.Context context, org.apache.hadoop.io.Text key, Iterable<ImmutableBytesWritable> rows) reuses the passed Text key.
void	MobRefReporter.MobRefReducer.reduce(org.apache.hadoop.io.Text key, Iterable<ImmutableBytesWritable> rows, org.apache.hadoop.mapreduce.Reducer.Context context)