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.

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	TableRecordReader.createKey()
ImmutableBytesWritable	TableRecordReaderImpl.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>	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)
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.

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	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)

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	TableRecordReader.getCurrentKey() Returns the current key.
ImmutableBytesWritable	TableRecordReaderImpl.getCurrentKey() Returns 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>	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.
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.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)

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	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	IdentityTableMapper.map(ImmutableBytesWritable key, Result value, org.apache.hadoop.mapreduce.Mapper.Context context) Pass the key, value to reduce.
protected void	CellSortReducer.reduce(ImmutableBytesWritable row, Iterable<Cell> kvs, org.apache.hadoop.mapreduce.Reducer.Context context)
protected void	KeyValueSortReducer.reduce(ImmutableBytesWritable row, Iterable<org.apache.hadoop.hbase.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)