org.apache.hadoop.mapred

类 SequenceFileAsBinaryOutputFormat.WritableValueBytes

java.lang.Object

org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat.WritableValueBytes

所有已实现的接口:

SequenceFile.ValueBytes

封闭类:

SequenceFileAsBinaryOutputFormat

protected static class SequenceFileAsBinaryOutputFormat.WritableValueBytes
extends Object
implements SequenceFile.ValueBytes

Inner class used for appendRaw

构造器概要

构造器

构造器和说明
SequenceFileAsBinaryOutputFormat.WritableValueBytes()
SequenceFileAsBinaryOutputFormat.WritableValueBytes(BytesWritable value)

方法概要

方法

限定符和类型	方法和说明
int	getSize() Size of stored data.
void	reset(BytesWritable value)
void	writeCompressedBytes(DataOutputStream outStream) Write compressed bytes to outStream.
void	writeUncompressedBytes(DataOutputStream outStream) Writes the uncompressed bytes to the outStream.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

SequenceFileAsBinaryOutputFormat.WritableValueBytes

public SequenceFileAsBinaryOutputFormat.WritableValueBytes()

SequenceFileAsBinaryOutputFormat.WritableValueBytes

public SequenceFileAsBinaryOutputFormat.WritableValueBytes(BytesWritable value)

方法详细资料

reset

public void reset(BytesWritable value)

writeUncompressedBytes

public void writeUncompressedBytes(DataOutputStream outStream)
                            throws IOException

从接口复制的说明: SequenceFile.ValueBytes

Writes the uncompressed bytes to the outStream.

指定者:

writeUncompressedBytes 在接口中 SequenceFile.ValueBytes

参数:

outStream - : Stream to write uncompressed bytes into.

抛出:

IOException

writeCompressedBytes

public void writeCompressedBytes(DataOutputStream outStream)
                          throws IllegalArgumentException,
                                 IOException

从接口复制的说明: SequenceFile.ValueBytes

Write compressed bytes to outStream. Note: that it will NOT compress the bytes if they are not compressed.

指定者:

writeCompressedBytes 在接口中 SequenceFile.ValueBytes

参数:

outStream - : Stream to write compressed bytes into.

抛出:

IllegalArgumentException

IOException

getSize

public int getSize()

从接口复制的说明: SequenceFile.ValueBytes

Size of stored data.

指定者:

getSize 在接口中 SequenceFile.ValueBytes