org.apache.hadoop.hdfs.server.protocol

类 BlocksWithLocations.BlockWithLocations

java.lang.Object

org.apache.hadoop.hdfs.server.protocol.BlocksWithLocations.BlockWithLocations

所有已实现的接口:

Writable

封闭类:

BlocksWithLocations

public static class BlocksWithLocations.BlockWithLocations
extends Object
implements Writable

A class to keep track of a block and its locations

构造器概要

构造器

构造器和说明
BlocksWithLocations.BlockWithLocations() default constructor
BlocksWithLocations.BlockWithLocations(Block b, String[] datanodes) constructor

方法概要

方法

限定符和类型	方法和说明
Block	getBlock() get the block
String[]	getDatanodes() get the block's locations
void	readFields(DataInput in) deserialization method
void	write(DataOutput out) serialization method

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

BlocksWithLocations.BlockWithLocations

public BlocksWithLocations.BlockWithLocations()

default constructor

BlocksWithLocations.BlockWithLocations

public BlocksWithLocations.BlockWithLocations(Block b,
                                      String[] datanodes)

constructor

方法详细资料

getBlock

public Block getBlock()

get the block

getDatanodes

public String[] getDatanodes()

get the block's locations

readFields

public void readFields(DataInput in)
                throws IOException

deserialization method

指定者:

readFields 在接口中 Writable

参数:

in - DataInput to deseriablize this object from.

抛出:

IOException

write

public void write(DataOutput out)
           throws IOException

serialization method

指定者:

write 在接口中 Writable

参数:

out - DataOuput to serialize this object into.

抛出:

IOException