org.basex.io
Class RandomAccess

java.lang.Object
  org.basex.io.RandomAccess

public final class RandomAccess
extends java.lang.Object

This class allows positional read access.

Author:

Workgroup DBIS, University of Konstanz 2005-08, ISC License, Christian Gruen

Constructor Summary

RandomAccess(java.lang.String f)
Constructor, initializing the file reader.

Method Summary

void	close() Closes the data access.
void	cursor(long p) Sets the disk cursor.
boolean	more() Checks if more bytes can be read.
long	pos() Returns the input position.
int	read() Reads the next byte.

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomAccess

public RandomAccess(java.lang.String f)
             throws java.io.IOException

Constructor, initializing the file reader.

Parameters:

f - the file to be read

Throws:

java.io.IOException - IO Exception

Method Detail

close

public void close()
           throws java.io.IOException

Closes the data access.

Throws:

java.io.IOException - in case of write errors

cursor

public void cursor(long p)
            throws java.io.IOException

Sets the disk cursor.

Parameters:

p - read position

Throws:

java.io.IOException - I/O exception

read

public int read()
         throws java.io.IOException

Reads the next byte.

Returns:

next byte

Throws:

java.io.IOException - I/O exception

pos

public long pos()

Returns the input position.

Returns:

position

more

public boolean more()

Checks if more bytes can be read.

Returns:

result of check