ch.elexis.core.data
Interface IPersistenceProvider

All Known Implementing Classes:

KonsDetailView, SampleView

public interface IPersistenceProvider

Contracte to save and store data in form of Strings

Author:

gerry

Method Summary

java.lang.String	load(java.lang.Object param) Load the dependent data from the backing store
void	store(java.lang.String data, java.lang.Object param) Store data transparently to the IPersistenceProvider's backing store

Method Detail

store

void store(java.lang.String data,
           java.lang.Object param)
           throws PersistenceException

Store data transparently to the IPersistenceProvider's backing store

Parameters:

data - the data to store. The IPersistenceProvider must be able to reconstruct the data from the String retrieved by load()

param - a implememntation dependent parameter. Can be null or any arbitrary object

Throws:

PersistenceException - if the data could not be stored correctly

load

java.lang.String load(java.lang.Object param)
                      throws PersistenceException

Load the dependent data from the backing store

Parameters:

param - an implementation depoendent parameter. Can be null or any arbitrary Object

Returns:

the data read. Must be exactly the same as written by store()

Throws:

PersistenceException - if the data coulkd not be read correctly