alluxio.proxy.s3

Class RangeFileInStream

java.lang.Object

java.io.InputStream

alluxio.proxy.s3.RangeFileInStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class RangeFileInStream
extends InputStream

This class is use FileInStream underlying, and implement range read.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RangeFileInStream.Factory Factory for RangeFileInStream.

Method Summary

Modifier and Type	Method and Description
void	close()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
int	read(ByteBuffer byteBuffer, int off, int len) Reads up to len bytes of data from the input stream into the byte buffer.

Methods inherited from class java.io.InputStream

available, mark, markSupported, reset, skip

Methods inherited from class java.lang.Object

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

Method Detail

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

read

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

Overrides:

read in class InputStream

Throws:

IOException

read

public int read(ByteBuffer byteBuffer,
                int off,
                int len)
         throws IOException

Reads up to len bytes of data from the input stream into the byte buffer.

Parameters:

byteBuffer - the buffer into which the data is read

off - the start offset in the buffer at which the data is written

len - the maximum number of bytes to read

Returns:

the total number of bytes read into the buffer, or -1 if there is no more data because the end of the stream has been reached

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class InputStream

Throws:

IOException