org.apache.ignite.igfs.secondary

Interface IgfsSecondaryFileSystemPositionedReadable

All Superinterfaces:

AutoCloseable, Closeable

public interface IgfsSecondaryFileSystemPositionedReadable
extends Closeable

The simplest data input interface to read from secondary file system.

Method Summary

Modifier and Type	Method and Description
int	read(long pos, byte[] buf, int off, int len) Read up to the specified number of bytes, from a given position within a file, and return the number of bytes read.

Methods inherited from interface java.io.Closeable

close

Method Detail

read

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

Read up to the specified number of bytes, from a given position within a file, and return the number of bytes read.

Parameters:

pos - Position in the input stream to seek.

buf - Buffer into which data is read.

off - Offset in the buffer from which stream data should be written.

len - The number of bytes to read.

Returns:

Total number of bytes read into the buffer, or -1 if there is no more data (EOF).

Throws:

IOException - In case of any exception.