@InterfaceAudience.Public
@InterfaceStability.Evolving
public interface PositionedReadable
Seekable.getPos()
visible.Modifier and Type | Method and Description |
---|---|
int |
read(long position,
byte[] buffer,
int offset,
int length)
Read up to the specified number of bytes, from a given
position within a file, and return the number of bytes read.
|
void |
readFully(long position,
byte[] buffer)
Read number of bytes equal to the length of the buffer, from a given
position within a file.
|
void |
readFully(long position,
byte[] buffer,
int offset,
int length)
Read the specified number of bytes, from a given
position within a file.
|
int read(long position, byte[] buffer, int offset, int length) throws IOException
position
- position within filebuffer
- destination bufferoffset
- offset in the bufferlength
- number of bytes to readIOException
- IO problems.void readFully(long position, byte[] buffer, int offset, int length) throws IOException
position
- position within filebuffer
- destination bufferoffset
- offset in the bufferlength
- number of bytes to readIOException
- IO problems.EOFException
- the end of the data was reached before
the read operation completedvoid readFully(long position, byte[] buffer) throws IOException
position
- position within filebuffer
- destination bufferIOException
- IO problems.EOFException
- the end of the data was reached before
the read operation completedCopyright © 2019 Apache Software Foundation. All rights reserved.