Uses of Class org.apache.hadoop.io.BytesWritable (Hadoop 0.20.2-cdh3u5 API)
Date: 2012-10-05

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## Uses of Class
org.apache.hadoop.io.BytesWritable

Packages that use BytesWritable
org.apache.hadoop.io | Generic i/o code for use when reading and writing data to the network, to databases, and to files.
org.apache.hadoop.io.file.tfile |
org.apache.hadoop.mapred | A software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) parallelly on large clusters (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant manner.
org.apache.hadoop.mapreduce.lib.input |
org.apache.hadoop.mapreduce.lib.output |
org.apache.hadoop.streaming.io |
org.apache.hadoop.typedbytes | Typed bytes are sequences of bytes in which the first byte is a type code.

Uses of BytesWritable in org.apache.hadoop.io

Methods in org.apache.hadoop.io with parameters of type BytesWritable
`void` | `BytesWritable.set(BytesWritable newData)` Set the BytesWritable to the contents of the given newData.

Uses of BytesWritable in org.apache.hadoop.io.file.tfile

Methods in org.apache.hadoop.io.file.tfile with parameters of type BytesWritable
`void` | `TFile.Reader.Scanner.Entry.get(BytesWritable key, BytesWritable value)` Copy the key and value in one shot into BytesWritables.
`int` | `TFile.Reader.Scanner.Entry.getKey(BytesWritable key)` Copy the key into BytesWritable.
`long` | `TFile.Reader.Scanner.Entry.getValue(BytesWritable value)` Copy the value into BytesWritable.

Constructors in org.apache.hadoop.io.file.tfile with parameters of type BytesWritable
`ByteArray(BytesWritable other)` Constructing a ByteArray from a `BytesWritable`.

Uses of BytesWritable in org.apache.hadoop.mapred

Methods in org.apache.hadoop.mapred that return BytesWritable
`BytesWritable` | `SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader.createKey()`
`BytesWritable` | `SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader.createValue()`

Methods in org.apache.hadoop.mapred that return types with arguments of type BytesWritable
`RecordReader<BytesWritable,BytesWritable>` | `SequenceFileAsBinaryInputFormat.getRecordReader(InputSplit split, JobConf job, Reporter reporter)`
`RecordReader<BytesWritable,BytesWritable>` | `SequenceFileAsBinaryInputFormat.getRecordReader(InputSplit split, JobConf job, Reporter reporter)`
`RecordWriter<BytesWritable,BytesWritable>` | `SequenceFileAsBinaryOutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)`
`RecordWriter<BytesWritable,BytesWritable>` | `SequenceFileAsBinaryOutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)`

Methods in org.apache.hadoop.mapred with parameters of type BytesWritable
`boolean` | `SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader.next(BytesWritable key, BytesWritable val)` Read raw bytes from a SequenceFile.
`void` | `SequenceFileAsBinaryOutputFormat.WritableValueBytes.reset(BytesWritable value)`

Constructors in org.apache.hadoop.mapred with parameters of type BytesWritable
`SequenceFileAsBinaryOutputFormat.WritableValueBytes(BytesWritable value)`

Uses of BytesWritable in org.apache.hadoop.mapreduce.lib.input

Methods in org.apache.hadoop.mapreduce.lib.input that return BytesWritable
`BytesWritable` | `SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader.getCurrentKey()`
`BytesWritable` | `SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader.getCurrentValue()`

Methods in org.apache.hadoop.mapreduce.lib.input that return types with arguments of type BytesWritable
`RecordReader<BytesWritable,BytesWritable>` | `SequenceFileAsBinaryInputFormat.createRecordReader(InputSplit split, TaskAttemptContext context)`
`RecordReader<BytesWritable,BytesWritable>` | `SequenceFileAsBinaryInputFormat.createRecordReader(InputSplit split, TaskAttemptContext context)`

Uses of BytesWritable in org.apache.hadoop.mapreduce.lib.output

Methods in org.apache.hadoop.mapreduce.lib.output that return types with arguments of type BytesWritable
`RecordWriter<BytesWritable,BytesWritable>` | `SequenceFileAsBinaryOutputFormat.getRecordWriter(TaskAttemptContext context)`
`RecordWriter<BytesWritable,BytesWritable>` | `SequenceFileAsBinaryOutputFormat.getRecordWriter(TaskAttemptContext context)`

Methods in org.apache.hadoop.mapreduce.lib.output with parameters of type BytesWritable
`void` | `SequenceFileAsBinaryOutputFormat.WritableValueBytes.reset(BytesWritable value)`

Constructors in org.apache.hadoop.mapreduce.lib.output with parameters of type BytesWritable
`SequenceFileAsBinaryOutputFormat.WritableValueBytes(BytesWritable value)`

Uses of BytesWritable in org.apache.hadoop.streaming.io

Methods in org.apache.hadoop.streaming.io that return BytesWritable
`BytesWritable` | `RawBytesOutputReader.getCurrentKey()`
`BytesWritable` | `RawBytesOutputReader.getCurrentValue()`

Uses of BytesWritable in org.apache.hadoop.typedbytes

Subclasses of BytesWritable in org.apache.hadoop.typedbytes
`class` | `TypedBytesWritable` Writable for typed bytes.

Methods in org.apache.hadoop.typedbytes that return BytesWritable
`BytesWritable` | `TypedBytesWritableInput.readBytes()`
`BytesWritable` | `TypedBytesWritableInput.readBytes(BytesWritable bw)`

Methods in org.apache.hadoop.typedbytes with parameters of type BytesWritable
`BytesWritable` | `TypedBytesWritableInput.readBytes(BytesWritable bw)`
`void` | `TypedBytesWritableOutput.writeBytes(BytesWritable bw)`

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