org.egothor.util.io
Class Array

java.lang.Object
  org.egothor.util.io.Array

Direct Known Subclasses:

GlobalPositionsArray

public class Array
extends java.lang.Object

This class is not synchronized!

Author:

Leo Galambos

Field Summary

long

size

Constructor Summary

Array(java.lang.String location, int itemsize, byte initValue)

Method Summary

void	close()
void	destroy()
protected void	finalize() Close this structure and attempt garbage collection.
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

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

Field Detail

size

public long size

Constructor Detail

Array

public Array(java.lang.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 java.io.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:

java.io.IOException

readSeek

public void readSeek(long item)
              throws java.io.IOException

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

Throws:

java.io.IOException

destroy

public void destroy()

close

public void close()

finalize

protected void finalize()
                 throws java.lang.Throwable

Close this structure and attempt garbage collection.

Overrides:

finalize in class java.lang.Object

Throws:

java.lang.Throwable - you never know what might happen!

getRf

public final DataInputOutputStream getRf()