org.iq80.leveldb.env

Interface SequentialFile

All Superinterfaces:

AutoCloseable, Closeable

public interface SequentialFile
extends Closeable

Method Summary

Modifier and Type	Method and Description
int	read(int atMost, SliceOutput destination) Read up to "atMost" bytes from the file.
void	skip(long n) Skips over and discards n bytes of data from the input stream.

Methods inherited from interface java.io.Closeable

close

Method Detail

skip

void skip(long n)
   throws IOException

Skips over and discards n bytes of data from the input stream.

Parameters:

n - the number of bytes to be skipped.

Throws:

IOException - if n is negative, if the stream does not support seek, or if an I/O error occurs.

read

int read(int atMost,
         SliceOutput destination)
  throws IOException

Read up to "atMost" bytes from the file.

Parameters:

atMost - the maximum number of bytes to read.

destination - data destination

Returns:

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

Throws:

IOException - If the first byte cannot be read for any reason other than end of file, or if the input stream has been closed, or if some other I/O error occurs.