org.apache.hadoop.fs.aliyun.oss

类 AliyunOSSInputStream

java.lang.Object

java.io.InputStream

org.apache.hadoop.fs.FSInputStream

org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream

所有已实现的接口:

Closeable, AutoCloseable, org.apache.hadoop.fs.PositionedReadable, org.apache.hadoop.fs.Seekable

public class AliyunOSSInputStream
extends org.apache.hadoop.fs.FSInputStream

The input stream for OSS blob system. The class uses multi-part downloading to read data from the object content stream.

字段概要

字段

限定符和类型	字段和说明
static org.slf4j.Logger	LOG

构造器概要

构造器

构造器和说明
AliyunOSSInputStream(org.apache.hadoop.conf.Configuration conf, ExecutorService readAheadExecutorService, int maxReadAheadPartNumber, AliyunOSSFileSystemStore store, String key, Long contentLength, org.apache.hadoop.fs.FileSystem.Statistics statistics)

方法概要

限定符和类型	方法和说明
int	available()
void	close()
long	getExpectNextPos()
long	getPos()
int	read()
int	read(byte[] buf, int off, int len)
void	seek(long pos)
boolean	seekToNewSource(long targetPos)

从类继承的方法 org.apache.hadoop.fs.FSInputStream

read, readFully, readFully

从类继承的方法 java.io.InputStream

mark, markSupported, read, reset, skip

从类继承的方法 java.lang.Object

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

字段详细资料

LOG

public static final org.slf4j.Logger LOG

构造器详细资料

AliyunOSSInputStream

public AliyunOSSInputStream(org.apache.hadoop.conf.Configuration conf,
                            ExecutorService readAheadExecutorService,
                            int maxReadAheadPartNumber,
                            AliyunOSSFileSystemStore store,
                            String key,
                            Long contentLength,
                            org.apache.hadoop.fs.FileSystem.Statistics statistics)
                     throws IOException

抛出:

IOException

方法详细资料

read

public int read()
         throws IOException

指定者:

read 在类中 InputStream

抛出:

IOException

read

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

覆盖:

read 在类中 InputStream

抛出:

IOException

close

public void close()
           throws IOException

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable

覆盖:

close 在类中 InputStream

抛出:

IOException

available

public int available()
              throws IOException

覆盖:

available 在类中 InputStream

抛出:

IOException

seek

public void seek(long pos)
          throws IOException

指定者:

seek 在接口中 org.apache.hadoop.fs.Seekable

指定者:

seek 在类中 org.apache.hadoop.fs.FSInputStream

抛出:

IOException

getPos

public long getPos()
            throws IOException

指定者:

getPos 在接口中 org.apache.hadoop.fs.Seekable

指定者:

getPos 在类中 org.apache.hadoop.fs.FSInputStream

抛出:

IOException

seekToNewSource

public boolean seekToNewSource(long targetPos)
                        throws IOException

指定者:

seekToNewSource 在接口中 org.apache.hadoop.fs.Seekable

指定者:

seekToNewSource 在类中 org.apache.hadoop.fs.FSInputStream

抛出:

IOException

getExpectNextPos

public long getExpectNextPos()