/** Get the number of hashtag occurrences in the given time bucket. */
protected long getTagTimeCount(String hashtag, BucketType timeBucketType, DateTime dateTime)
throws IOException, InterruptedException {
Optional<LongOp> optCount =
dataCubeIo.get(
new ReadBuilder(dataCube)
.at(tagsDimension, hashtag)
.at(timeDimension, timeBucketType, dateTime));
return unpackOrZero(optCount);
}
/** Get the number of times that retweeterUser retweeted a tweet by sourceUser. */
public long getRetweetsOfBy(String sourceUser, String retweeterUser)
throws IOException, InterruptedException {
Optional<LongOp> optCount =
dataCubeIo.get(
new ReadBuilder(dataCube)
.at(retweetedFromDimension, sourceUser)
.at(userDimension, retweeterUser));
return unpackOrZero(optCount);
}
/** Get the number of tweets sent by the given user on the given day. */
public long getUserDayCount(String userName, DateTime day)
throws InterruptedException, IOException {
Optional<LongOp> optCount =
dataCubeIo.get(
new ReadBuilder(dataCube)
.at(userDimension, userName)
.at(timeDimension, HourDayMonthBucketer.days, day));
return unpackOrZero(optCount);
}
/**
* Do all the increments necessary to add a tweet to the datacube. May not immediately flush to
* the DB.
*/
public void countTweet(Tweet tweet) throws IOException, InterruptedException, AsyncException {
WriteBuilder writeBuilder =
new WriteBuilder(dataCube)
.at(timeDimension, tweet.time)
.at(userDimension, tweet.username)
.at(retweetedFromDimension, tweet.retweetedFrom.or(""))
.at(tagsDimension, tweet.hashTags);
Batch<LongOp> cubeUpdates = dataCube.getWrites(writeBuilder, new LongOp(1));
dataCubeIo.writeAsync(cubeUpdates);
}
/** Write all batched/cached changes to the backing database. */
public void flush() throws InterruptedException {
dataCubeIo.flush();
}
/** Get the number of tweets that included the given hashtag. */
public long getTagCount(String hashtag) throws IOException, InterruptedException {
Optional<LongOp> optCount =
dataCubeIo.get(new ReadBuilder(dataCube).at(tagsDimension, hashtag));
return unpackOrZero(optCount);
}
/** Get the total number of tweets sent by the given user. */
public long getUserCount(String userName) throws InterruptedException, IOException {
Optional<LongOp> optCount =
dataCubeIo.get(new ReadBuilder(dataCube).at(userDimension, userName));
return unpackOrZero(optCount);
}
/** Get the total number of tweets. */
public long getCount() throws InterruptedException, IOException {
return dataCubeIo.get(new ReadBuilder(dataCube)).or(new LongOp(0)).getLong();
}