Ejemplo n.º 1
0
    def process_tuple(self, tup):
        userId,ul = tup.values
        ul_dict=ul#json.loads(ul)
        # log.debug('ul--to filter---: '+str(userId))
        if self.bucket.get(userId)!=None and len(self.bucket[userId])!=0:
            bucket_uid_time = sorted(self.bucket[userId], key=lambda k: k.get('timestamp'))
            ts_start=long(bucket_uid_time[0]['timestamp'])
            samples_number=len(self.bucket[userId])
            loc=dict(self.bucket[userId][0])['location']
            loc_coor=[loc['lat'],loc['lng']]
        else:
            ts_start=long(ul_dict['timestamp'])
            samples_number=0
            loc=ul_dict['location']
            loc_coor=[loc['lat'],loc['lng']]

        duration=long(ul_dict['timestamp'])-ts_start
        log.debug(' --duration-: '+str(duration)+'---samples num:--'+str(samples_number))

        #emit

        if  duration>STORM_POI_DURATION_LIMIT:
            if samples_number>STORM_POI_SAMPLES_BUCKET_NUMBER :
                userlocations=self.bucket[userId]
                self.emit((userId, userlocations))
                self.bucket[userId]=[]
                self.ul_distance_limit=0
                log.debug('uls-collec-filter-bolt  emit-----: '+str(userId)+'emit bucket length:'+str(len(userlocations)))
            else:
                self.bucket[userId]=[]
                log.debug('--filter --samples number-: '+str(samples_number)+'---uid--'+str(userId))
                self.ul_distance_limit=0

        #time limit
        if duration<STORM_POI_DURATION_LIMIT or duration==STORM_POI_DURATION_LIMIT :
            # distance limit
            new_loc_coor=[ul_dict['location']['lat'],ul_dict['location']['lng']]
            if algo_utils.near_u_poi(loc_coor,new_loc_coor) :
                if self.bucket.get(userId)==None:
                    self.bucket[userId]=[ul_dict]
                else:
                    self.bucket[userId].append(ul_dict)
                    log.debug(str(userId)+'--adding - -bucket num: '+str(len(self.bucket[userId]))+'--time--:'+str(time_utils.timestamp2local(ul['timestamp']))+'--new loc:--'+str(new_loc_coor))
            else:
                self.ul_distance_limit=self.ul_distance_limit+1
                if self.ul_distance_limit >STORM_UL_DIS_LIMIT:
                    self.bucket[userId]=[]
                    log.debug('--filter --distance limit-: '+str(self.ul_distance_limit)+'--uid:--'+str(userId))
                    self.ul_distance_limit=0
Ejemplo n.º 2
0
    def __filter_existed_centers(self,center_evidences_list,u_pois):
        filtered = []
        for center_evidence in center_evidences_list:

            is_new = True
            for upoi in u_pois:
                center = center_evidence[0]

                upoi_coor = [upoi.latitude, upoi.longitude]

                if near_u_poi(center, upoi_coor):
                    is_new = False
                    break

            if is_new:
                filtered.append(center_evidence)
        return filtered