org.apache.hadoop.hdfs

接口 BlockReader

所有超级接口:

AutoCloseable, Closeable

所有已知实现类:

DFSClient.RemoteBlockReader

public interface BlockReader
extends Closeable

The API shared between local and remote block readers.

方法概要

方法

限定符和类型	方法和说明
int	read(byte[] buf, int off, int len)
int	readAll(byte[] buf, int offset, int len)
long	skip(long n)

从接口继承的方法 java.io.Closeable

close

方法详细资料

read

int read(byte[] buf,
       int off,
       int len)
         throws IOException

抛出:

IOException

readAll

int readAll(byte[] buf,
          int offset,
          int len)
            throws IOException

抛出:

IOException

skip

long skip(long n)
          throws IOException

抛出:

IOException