org.egothor.util.io

Class Array

java.lang.Object

org.egothor.util.io.Array

Direct Known Subclasses:

GlobalPositionsArray

public class Array
extends Object

This class is not synchronized!

Author:

Leo Galambos

Field Summary

Fields

Modifier and Type	Field and Description
long	size

Constructor Summary

Constructors

Constructor and Description
Array(String location, int itemsize, byte initValue)

Method Summary

Modifier and Type	Method and Description
void	close()
void	destroy()
DataInputOutputStream	getRf()
void	readSeek(long item) Seeks at the position of the item, the item must exist in this array else an exception is thrown.
void	writeSeek(long item) Seeks at the item position in a file and increases the number of items by 1 (if an expansion happened), because it assumes that we will write some data beyond the end of file.

Methods inherited from class java.lang.Object

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

Field Detail

size

public long size

Constructor Detail

Array

public Array(String location,
             int itemsize,
             byte initValue)

Parameters:

location - the location where the file will be created

itemsize - the size of one array element in bytes

initValue - the byte value used as an initializator of empty bytes in the array

Method Detail

writeSeek

public void writeSeek(long item)
               throws IOException

Seeks at the item position in a file and increases the number of items by 1 (if an expansion happened), because it assumes that we will write some data beyond the end of file.

Throws:

IOException

readSeek

public void readSeek(long item)
              throws IOException

Seeks at the position of the item, the item must exist in this array else an exception is thrown.

Throws:

IOException

destroy

public void destroy()

close

public void close()

getRf

public final DataInputOutputStream getRf()

Returns: