org.nanoj.util.serial

Class RecordSerializer

java.lang.Object

org.nanoj.util.serial.RecordSerializer

public class RecordSerializer
extends Object

Serializer tool to build basic DAO with "save/load/delete" operations

Author:

Laurent GUERIN

Constructor Summary

Constructors

Constructor and Description
RecordSerializer(String sDataDirectory) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
int	delete(Class<?> cl, String sKey) Deletes the object instance file corresponding to the given key
Object	load(Class<?> cl, String sKey) Load an object from the instance file corresponding to the given key
void	save(Object obj, String sKey) Save the given object in a instance file indentifying by the given key

Methods inherited from class java.lang.Object

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

Constructor Detail

RecordSerializer

public RecordSerializer(String sDataDirectory)

Constructor

Parameters:

sDataDirectory - : the full path of the directory where to store the instances files

Method Detail

save

public void save(Object obj,
        String sKey)

Save the given object in a instance file indentifying by the given key

Parameters:

obj - : the object to save

sKey - : the key to use to identify the instance

load

public Object load(Class<?> cl,
          String sKey)

Load an object from the instance file corresponding to the given key

Parameters:

cl - : the class of the object to load

sKey - : the key of the object to load

Returns:

: the instance loaded, or null if not found

delete

public int delete(Class<?> cl,
         String sKey)

Deletes the object instance file corresponding to the given key

Parameters:

cl - : the class of the object to delete

sKey - : the key of the object to delete

Returns:

: 1 if the object file exists and has been deleted, 0 if the object file doesn't exist