Examples of redis.clients.jedis.Transaction

redis.clients.jedis.Transaction
Transaction is nearly identical to Pipeline, only differences are the multi/discard behaviors

        }
    }


    @SuppressWarnings("unchecked")
    public void updateCpms(Jedis conn, String adId) {
        Transaction trans = conn.multi();
        trans.hget("type:", adId);
        trans.zscore("ad:base_value:", adId);
        trans.smembers("terms:" + adId);
        List<Object> response = trans.exec();
        String type = (String)response.get(0);
        Double baseValue = (Double)response.get(1);
        Set<String> words = (Set<String>)response.get(2);


        String which = "clicks";
        Ecpm ecpm = Enum.valueOf(Ecpm.class, type.toUpperCase());
        if (Ecpm.CPA.equals(ecpm)) {
            which = "actions";
        }


        trans = conn.multi();
        trans.get("type:" + type + ":views:");
        trans.get("type:" + type + ':' + which);
        response = trans.exec();
        String typeViews = (String)response.get(0);
        String typeClicks = (String)response.get(1);


        AVERAGE_PER_1K.put(ecpm,
            1000. *
            Integer.valueOf(typeClicks != null ? typeClicks : "1") /
            Integer.valueOf(typeViews != null ? typeViews : "1"));


        if (Ecpm.CPM.equals(ecpm)) {
            return;
        }


        String viewKey = "views:" + adId;
        String clickKey = which + ':' + adId;


        trans = conn.multi();
        trans.zscore(viewKey, "");
        trans.zscore(clickKey, "");
        response = trans.exec();
        Double adViews = (Double)response.get(0);
        Double adClicks = (Double)response.get(1);


        double adEcpm = 0;
        if (adClicks == null || adClicks < 1){
            Double score = conn.zscore("idx:ad:value:", adId);
            adEcpm = score != null ? score.doubleValue() : 0;
        }else{
            adEcpm = toEcpm(
                ecpm,
                adViews != null ? adViews.doubleValue() : 1,
                adClicks != null ? adClicks.doubleValue() : 0,
                baseValue);
            conn.zadd("idx:ad:value:", adEcpm, adId);
        }
        for (String word : words) {
            trans = conn.multi();
            trans.zscore(viewKey, word);
            trans.zscore(clickKey, word);
            response = trans.exec();
            Double views = (Double)response.get(0);
            Double clicks = (Double)response.get(1);


            if (clicks == null || clicks < 1){
                continue;

View Full Code Here

        String clickKey = "clicks:" + adId;
        String matchKey = "terms:matched:" + targetId;
        Set<String> matched = conn.smembers(matchKey);
        matched.add("");


        Transaction trans = conn.multi();
        if (Ecpm.CPA.equals(ecpm)) {
            trans.expire(matchKey, 900);
            if (action) {
                clickKey = "actions:" + adId;
            }
        }


        if (action && Ecpm.CPA.equals(ecpm)) {
            trans.incr("type:" + type + ":actions:");
        }else{
            trans.incr("type:" + type + ":clicks:");
        }


        for (String word : matched) {
            trans.zincrby(clickKey, 1, word);
        }
        trans.exec();


        updateCpms(conn, adId);
    }

View Full Code Here

    }


    @SuppressWarnings("unchecked")
    public boolean isQualified(Jedis conn, String jobId, String... candidateSkills) {
        String temp = UUID.randomUUID().toString();
        Transaction trans = conn.multi();
        for(String skill : candidateSkills) {
            trans.sadd(temp, skill);
        }
        trans.expire(temp, 5);
        trans.sdiff("job:" + jobId, temp);


        List<Object> response = trans.exec();
        Set<String> diff = (Set<String>)response.get(response.size() - 1);
        return diff.size() == 0;
    }

View Full Code Here

        Set<String> diff = (Set<String>)response.get(response.size() - 1);
        return diff.size() == 0;
    }


    public void indexJob(Jedis conn, String jobId, String... skills) {
        Transaction trans = conn.multi();
        Set<String> unique = new HashSet<String>();
        for (String skill : skills) {
            trans.sadd("idx:skill:" + skill, jobId);
            unique.add(skill);
        }
        trans.zadd("idx:jobs:req", unique.size(), jobId);
        trans.exec();
    }

View Full Code Here

        for (int i = 0; i < candidateSkills.length; i++) {
            keys[i] = "skill:" + candidateSkills[i];
            weights[i] = 1;
        }


        Transaction trans = conn.multi();
        String jobScores = zunion(
            trans, 30, new ZParams().weights(weights), keys);
        String finalResult = zintersect(
            trans, 30, new ZParams().weights(-1, 1), jobScores, "jobs:req");
        trans.exec();


        return conn.zrangeByScore("idx:" + finalResult, 0, 0);
    }

View Full Code Here

        while (System.currentTimeMillis() < end){
            conn.watch(startKey);
            String hourStart = ISO_FORMAT.format(new Date());
            String existing = conn.get(startKey);


            Transaction trans = conn.multi();
            if (existing != null && COLLATOR.compare(existing, hourStart) < 0){
                trans.rename(commonDest, commonDest + ":last");
                trans.rename(startKey, commonDest + ":pstart");
                trans.set(startKey, hourStart);
            }


            trans.zincrby(commonDest, 1, message);


            String recentDest = "recent:" + name + ':' + severity;
            trans.lpush(recentDest, TIMESTAMP.format(new Date()) + ' ' + message);
            trans.ltrim(recentDest, 0, 99);
            List<Object> results = trans.exec();
            // null response indicates that the transaction was aborted due to
            // the watched key changing.
            if (results == null){
                continue;
            }

View Full Code Here

        updateCounter(conn, name, count, System.currentTimeMillis() / 1000);
    }


    public static final int[] PRECISION = new int[]{1, 5, 60, 300, 3600, 18000, 86400};
    public void updateCounter(Jedis conn, String name, int count, long now){
        Transaction trans = conn.multi();
        for (int prec : PRECISION) {
            long pnow = (now / prec) * prec;
            String hash = String.valueOf(prec) + ':' + name;
            trans.zadd("known:", 0, hash);
            trans.hincrBy("count:" + hash, String.valueOf(pnow), count);
        }
        trans.exec();
    }

View Full Code Here

        while (System.currentTimeMillis() < end){
            conn.watch(startKey);
            String hourStart = ISO_FORMAT.format(new Date());


            String existing = conn.get(startKey);
            Transaction trans = conn.multi();
            if (existing != null && COLLATOR.compare(existing, hourStart) < 0){
                trans.rename(destination, destination + ":last");
                trans.rename(startKey, destination + ":pstart");
                trans.set(startKey, hourStart);
            }


            String tkey1 = UUID.randomUUID().toString();
            String tkey2 = UUID.randomUUID().toString();
            trans.zadd(tkey1, value, "min");
            trans.zadd(tkey2, value, "max");


            trans.zunionstore(
                destination,
                new ZParams().aggregate(ZParams.Aggregate.MIN),
                destination, tkey1);
            trans.zunionstore(
                destination,
                new ZParams().aggregate(ZParams.Aggregate.MAX),
                destination, tkey2);


            trans.del(tkey1, tkey2);
            trans.zincrby(destination, 1, "count");
            trans.zincrby(destination, value, "sum");
            trans.zincrby(destination, value * value, "sumsq");


            List<Object> results = trans.exec();
            if (results == null){
                continue;
            }
            return results.subList(results.size() - 3, results.size());
        }

View Full Code Here

                    if (remove != 0){
                        conn.hdel(hkey, samples.subList(0, remove).toArray(new String[0]));
                        if (remove == samples.size()){
                            conn.watch(hkey);
                            if (conn.hlen(hkey) == 0) {
                                Transaction trans = conn.multi();
                                trans.zrem("known:", hash);
                                trans.exec();
                                index--;
                            }else{
                                conn.unwatch();
                            }
                        }

View Full Code Here

        public void stop(String context){
            long delta = System.currentTimeMillis() - start;
            List<Object> stats = updateStats(conn, context, "AccessTime", delta / 1000.0);
            double average = (Double)stats.get(1) / (Double)stats.get(0);


            Transaction trans = conn.multi();
            trans.zadd("slowest:AccessTime", average, context);
            trans.zremrangeByRank("slowest:AccessTime", 0, -101);
            trans.exec();
        }

View Full Code Here

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