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

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	TableRecordReaderImpl.createKey()
ImmutableBytesWritable	TableRecordReader.createKey()

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>	TableSnapshotInputFormat.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>	MultiTableSnapshotInputFormat.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	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
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.
boolean	TableRecordReaderImpl.next(ImmutableBytesWritable key, Result value)
boolean	TableRecordReader.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)
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	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
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	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)

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

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.TableHash.Reader.getCurrentHash() Get the current hash
ImmutableBytesWritable	HashTable.TableHash.Reader.getCurrentKey() Get the current key
ImmutableBytesWritable	TableRecordReaderImpl.getCurrentKey() Returns the current key.
ImmutableBytesWritable	TableRecordReader.getCurrentKey() Returns the current key.
ImmutableBytesWritable	TableSnapshotInputFormatImpl.RecordReader.getCurrentKey()

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>	TableSnapshotInputFormat.createRecordReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)
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>	MultiTableInputFormatBase.createRecordReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context) Builds a TableRecordReader.
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,Mutation>	MultiTableOutputFormat.getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context)
org.apache.hadoop.mapreduce.RecordWriter<ImmutableBytesWritable,Cell>	HFileOutputFormat2.getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context)

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
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	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.
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	MultiTableOutputFormat.MultiTableRecordWriter.write(ImmutableBytesWritable tableName, Mutation action) Writes an action (Put or Delete) to the specified table.

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

Modifier and Type	Method and Description
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.

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.