org.deegree.services.wpvs.io.file
Class DataFile<T extends org.deegree.commons.index.PositionableModel>

java.lang.Object
  org.deegree.services.wpvs.io.file.DataFile<T>

Type Parameters:

T - to add to the file

public class DataFile<T extends org.deegree.commons.index.PositionableModel>
extends java.lang.Object

The DataFile class TODO add class documentation here.

Version:

$Revision: 23246 $, $Date: 2010-03-25 10:49:16 +0100 (Do, 25. Mär 2010) $

Author:

Rutger Bezema, last edited by: $Author: rbezema $

Constructor Summary

DataFile(java.io.File dataFile, ObjectSerializer<T> serializer)

Method Summary

long	add(DataObjectInfo<T> object)
void	close() Closes the file and writes all data to it.
DataObjectInfo<T>	get(long position)
java.lang.String	getFileName()
long	getSize()

Methods inherited from class java.lang.Object

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

Constructor Detail

DataFile

public DataFile(java.io.File dataFile,
                ObjectSerializer<T> serializer)
         throws java.io.IOException

Parameters:

dataFile -

serializer - to use for serialization.

Throws:

java.io.IOException

Method Detail

get

public DataObjectInfo<T> get(long position)
                                                                          throws java.io.IOException

Parameters:

position -

Returns:

the object from the file.

Throws:

java.io.IOException

add

public long add(DataObjectInfo<T> object)
         throws java.io.IOException

Parameters:

object -

Returns:

the position of the billboard in the data file.

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Closes the file and writes all data to it.

Throws:

java.io.IOException

getSize

public long getSize()

Returns:

the next write position.

getFileName

public java.lang.String getFileName()

Returns:

the path of this datafile