'''
Created on 24 Sep 2011

@author: cgueret
'''
from rdflib import ConjunctiveGraph, RDF, URIRef, Namespace, Literal

OLPC = Namespace("http://example.org/")

class TripleStoreObject(object):
    pass

class TripleStore(object):
    '''
    The TripleStore is a generic object interface with a triple store
    '''
    def __init__(self, params):
        '''
        Constructor of the TripleStore
        if an hostname is indicated, query the triple store of that machine
        instead of the one at localhost
        '''
        hostname = 'localhost'
        if 'hostname' in params.keys():
            hostname = params['hostname']
        self.store_url = 'http://%s:8080/' % hostname
        self.device_uid = 'ABC1234567890' #TODO find how to get the serial number

    def _get_resource(self, uid):
        '''
        Return the URI associated to a particular UID
        '''
        return URIRef(OLPC['resource/%s' % uid])

    def get_object(self, uid):
        '''
        Get a specific object associated to this UID
        '''