public static void main(String[] args) {
SparkConf conf =
new SparkConf()
.setMaster("local[4]")
.setAppName("SparkStreamingPullDataFromFlume for Java");
JavaStreamingContext jsc = new JavaStreamingContext(conf, Durations.seconds(30));
// JavaReceiverInputDStream<SparkFlumeEvent> lines = FlumeUtils.createStream(jsc,"master1",
// 9999); flume push data to Spark Streaming
JavaReceiverInputDStream<SparkFlumeEvent> lines =
FlumeUtils.createPollingStream(
jsc, "master1", 9999); // Spark Streaming pull data from flume
JavaDStream<String> words =
lines.flatMap(
new FlatMapFunction<SparkFlumeEvent, String>() {
private static final long serialVersionUID = 1L;
@Override
public Iterable<String> call(SparkFlumeEvent event) throws Exception {
String line = new String(event.event().getBody().array());
return Arrays.asList(line.split(" "));
}
});
JavaPairDStream<String, Integer> pairs =
words.mapToPair(
new PairFunction<String, String, Integer>() {
private static final long serialVersionUID = 1L;
@Override
public Tuple2<String, Integer> call(String word) throws Exception {
return new Tuple2<String, Integer>(word, 1);
}
});
JavaPairDStream<String, Integer> wordsCount =
pairs.reduceByKey(
new Function2<
Integer, Integer, Integer>() { // 对相同的Key，进行Value的累计（包括Local和Reducer级别同时Reduce）
private static final long serialVersionUID = 1L;
@Override
public Integer call(Integer v1, Integer v2) throws Exception {
return v1 + v2;
}
});
wordsCount.print();
jsc.start();
jsc.awaitTermination();
jsc.close();
}
public static void main(String[] args) throws Exception {
if (args.length < 2) {
System.err.println("Usage: JavaNetworkWordCount <hostname> <port>");
System.exit(1);
}
StreamingExamples.setStreamingLogLevels();
// Create the context with a 1 second batch size
SparkConf sparkConf = new SparkConf().setAppName("JavaSqlNetworkWordCount");
JavaStreamingContext ssc = new JavaStreamingContext(sparkConf, Durations.seconds(1));
// Create a JavaReceiverInputDStream on target ip:port and count the
// words in input stream of \n delimited text (eg. generated by 'nc')
// Note that no duplication in storage level only for running locally.
// Replication necessary in distributed scenario for fault tolerance.
JavaReceiverInputDStream<String> lines =
ssc.socketTextStream(args[0], Integer.parseInt(args[1]), StorageLevels.MEMORY_AND_DISK_SER);
JavaDStream<String> words =
lines.flatMap(
new FlatMapFunction<String, String>() {
@Override
public Iterator<String> call(String x) {
return Arrays.asList(SPACE.split(x)).iterator();
}
});
// Convert RDDs of the words DStream to DataFrame and run SQL query
words.foreachRDD(
new VoidFunction2<JavaRDD<String>, Time>() {
@Override
public void call(JavaRDD<String> rdd, Time time) {
SparkSession spark = JavaSparkSessionSingleton.getInstance(rdd.context().getConf());
// Convert JavaRDD[String] to JavaRDD[bean class] to DataFrame
JavaRDD<JavaRecord> rowRDD =
rdd.map(
new Function<String, JavaRecord>() {
@Override
public JavaRecord call(String word) {
JavaRecord record = new JavaRecord();
record.setWord(word);
return record;
}
});
Dataset<Row> wordsDataFrame = spark.createDataFrame(rowRDD, JavaRecord.class);
// Register as table
wordsDataFrame.createOrReplaceTempView("words");
// Do word count on table using SQL and print it
Dataset<Row> wordCountsDataFrame =
spark.sql("select word, count(*) as total from words group by word");
System.out.println("========= " + time + "=========");
wordCountsDataFrame.show();
}
});
ssc.start();
ssc.awaitTermination();
}
public static void main(String[] args) {
if (args.length < 5) {
System.out.println(
"Usage: StreamProducerJava <infinispan_host> <twitter4j.oauth.consumerKey> <twitter4j.oauth.consumerSecret> <twitter4j.oauth.accessToken> <twitter4j.oauth.accessTokenSecret>");
System.exit(1);
}
String infinispanHost = args[0];
System.setProperty("twitter4j.oauth.consumerKey", args[1]);
System.setProperty("twitter4j.oauth.consumerSecret", args[2]);
System.setProperty("twitter4j.oauth.accessToken", args[3]);
System.setProperty("twitter4j.oauth.accessTokenSecret", args[4]);
// Reduce the log level in the driver
Logger.getLogger("org").setLevel(Level.WARN);
SparkConf conf = new SparkConf().setAppName("spark-infinispan-stream-producer-java");
// Create the streaming context
JavaStreamingContext javaStreamingContext = new JavaStreamingContext(conf, Seconds.apply(1));
// Populate infinispan properties
Properties infinispanProperties = new Properties();
infinispanProperties.put("infinispan.client.hotrod.server_list", infinispanHost);
JavaReceiverInputDStream<Status> twitterDStream =
TwitterUtils.createStream(javaStreamingContext);
// Transform from twitter4j.Status to our domain model org.infinispan.spark.demo.twitter.Tweet
JavaDStream<Tuple2<Long, Tweet>> kvPair =
twitterDStream.map(
status ->
new Tuple2<>(
status.getId(),
new Tweet(
status.getId(),
status.getUser().getScreenName(),
Optional.ofNullable(status.getPlace())
.map(Place::getCountry)
.orElseGet(() -> "N/A"),
status.getRetweetCount(),
status.getText())));
// Write the stream to infinispan
InfinispanJavaDStream.writeToInfinispan(kvPair, infinispanProperties);
// Create InfinispanInputDStream
JavaInputDStream<Tuple3<Long, Tweet, ClientEvent.Type>> infinispanInputDStream =
InfinispanJavaDStream.createInfinispanInputDStream(
javaStreamingContext, MEMORY_ONLY(), infinispanProperties);
// Apply a transformation to the RDDs to aggregate by country
JavaPairDStream<String, Integer> countryDStream =
infinispanInputDStream.transformToPair(
rdd -> {
return rdd.filter(ev -> !ev._2().getCountry().equals("N/A"))
.mapToPair(event -> new Tuple2<>(event._2().getCountry(), 1))
.reduceByKey((a, b) -> a + b);
});
// Since we are interested in the last 60 seconds only, we restrict the DStream by window,
// collapsing all the RDDs:
JavaPairDStream<String, Integer> lastMinuteStream =
countryDStream.reduceByKeyAndWindow((a, b) -> a + b, new Duration(60 * 1000));
lastMinuteStream.foreachRDD(
(rdd, time) -> {
System.out.format("---------- %s ----------\n", time.toString());
List<Tuple2<String, Integer>> results = rdd.collect();
results
.stream()
.sorted((o1, o2) -> o2._2().compareTo(o1._2()))
.forEach(t -> System.out.format("[%s,%d]\n", t._1(), t._2()));
return null;
});
// Start the processing
javaStreamingContext.start();
javaStreamingContext.awaitTermination();
}
public static void main(String[] args) {
String master = System.getenv("MASTER");
if (master == null) {
master = "local[2]";
}
SparkConf conf = new SparkConf().setAppName("Voter Application").setMaster(master);
Logger.getLogger("org").setLevel(Level.ERROR);
Logger.getLogger("akka").setLevel(Level.ERROR);
final Long batch_duration = Long.valueOf(args[0]);
JavaStreamingContext jssc =
new JavaStreamingContext(conf, new Duration(Integer.valueOf(args[0])));
jssc.checkpoint(".");
JavaReceiverInputDStream<String> votes = jssc.receiverStream(new Voter("localhost", 6789));
// transform text line stream to PhoneCall stream
JavaDStream<PhoneCall> phoneCalls =
votes.map(
new Function<String, PhoneCall>() {
public PhoneCall call(String s) {
return getPhoneCall(s);
}
});
JavaDStream<Long> counts = votes.count();
counts.print();
// create updateFunction which is used to update the total call count for each phone number
Function2<List<Integer>, Optional<Integer>, Optional<Integer>> updateFunction =
new Function2<List<Integer>, Optional<Integer>, Optional<Integer>>() {
public Optional<Integer> call(List<Integer> values, Optional<Integer> state) {
// add the new values with the previous running count to get the
// new count
Integer sum = 0;
for (Integer i : values) {
sum += i;
}
Integer newSum = sum + state.or(0);
return Optional.of(newSum);
}
};
//
JavaPairDStream<Long, Integer> calls =
phoneCalls.mapToPair(
new PairFunction<PhoneCall, Long, Integer>() {
public Tuple2<Long, Integer> call(PhoneCall x) {
return new Tuple2<Long, Integer>(x.phoneNumber, 1);
}
});
// generate the accumulated count for phone numbers
final JavaPairDStream<Long, Integer> callNumberCounts = calls.updateStateByKey(updateFunction);
// callNumberCounts.print();
JavaPairDStream<Long, PhoneCall> pairVotes =
phoneCalls.mapToPair(
new PairFunction<PhoneCall, Long, PhoneCall>() {
public Tuple2<Long, PhoneCall> call(PhoneCall call) throws Exception {
return new Tuple2<Long, PhoneCall>(call.voteId, call);
}
});
// generate the validate phone numbers, which is still allowed to send vote
JavaPairDStream<Long, Integer> allowedCalls =
callNumberCounts.filter(
new Function<Tuple2<Long, Integer>, Boolean>() {
public Boolean call(Tuple2<Long, Integer> v1) throws Exception {
if (v1._2() > Voter.MAX_VOTES) return false;
return true;
}
});
// allowedCalls.print();
// get validate contestant phone calls
JavaDStream<PhoneCall> validContestantPhoneCalls =
phoneCalls.filter(
new Function<PhoneCall, Boolean>() {
public Boolean call(PhoneCall call) {
if (call.contestantNumber > Voter.NUM_CONTESTANTS) return false;
return true;
}
});
JavaPairDStream<Long, PhoneCall> anotherTemporyPhoneCalls =
validContestantPhoneCalls.mapToPair(
new PairFunction<PhoneCall, Long, PhoneCall>() {
public Tuple2<Long, PhoneCall> call(PhoneCall x) {
return new Tuple2<Long, PhoneCall>(x.phoneNumber, x);
}
});
// get validate phone call records
JavaPairDStream<Long, Tuple2<PhoneCall, Integer>> validatePhoneCalls =
anotherTemporyPhoneCalls.join(allowedCalls);
// validatePhoneCalls.print();
JavaDStream<PhoneCall> validateCalls =
validatePhoneCalls.transform(
new Function<JavaPairRDD<Long, Tuple2<PhoneCall, Integer>>, JavaRDD<PhoneCall>>() {
public JavaRDD<PhoneCall> call(JavaPairRDD<Long, Tuple2<PhoneCall, Integer>> v1)
throws Exception {
JavaRDD<PhoneCall> item =
v1.map(
new Function<Tuple2<Long, Tuple2<PhoneCall, Integer>>, PhoneCall>() {
public PhoneCall call(Tuple2<Long, Tuple2<PhoneCall, Integer>> validItem)
throws Exception {
return validItem._2()._1();
}
});
return item;
}
});
// validateCalls.print();
// save all votes with redis
validateCalls.foreachRDD(
new Function<JavaRDD<PhoneCall>, Void>() {
public Void call(JavaRDD<PhoneCall> rdd) throws Exception {
rdd.foreach(
new VoidFunction<PhoneCall>() {
public void call(PhoneCall call) throws Exception {
// System.out.println(call.toString());
String key = String.valueOf(call.voteId);
String value = call.getContent();
// save <key,value> using redis
JedisPool pool = new JedisPool(new JedisPoolConfig(), "localhost");
Jedis jedis = pool.getResource();
try {
jedis.set(key, value);
} finally {
if (null != jedis) {
jedis.close();
}
}
/// ... when closing your application:
pool.destroy();
}
});
return null;
}
});
// validate calls
JavaPairDStream<Integer, Integer> contestantVotes =
validateCalls.mapToPair(
new PairFunction<PhoneCall, Integer, Integer>() {
public Tuple2<Integer, Integer> call(PhoneCall x) {
return new Tuple2<Integer, Integer>(x.contestantNumber, 1);
}
});
// use window to get generate leaderboard
Integer size = Integer.valueOf(args[1]);
Integer slide = Integer.valueOf(args[2]);
JavaDStream<PhoneCall> windowCalls =
validateCalls.window(new Duration(size), new Duration(slide));
// windowCalls.print();
// generate window contestant count
JavaPairDStream<Integer, Integer> windowContestantNums =
windowCalls.mapToPair(
new PairFunction<PhoneCall, Integer, Integer>() {
public Tuple2<Integer, Integer> call(PhoneCall x) {
return new Tuple2<Integer, Integer>(x.contestantNumber, 1);
}
});
JavaPairDStream<Integer, Integer> windContestantCounts =
windowContestantNums.reduceByKey(
new Function2<Integer, Integer, Integer>() {
public Integer call(Integer i1, Integer i2) throws Exception {
return i1 + i2;
}
});
windContestantCounts.print();
// generate the accumulated count for contestants
JavaPairDStream<Integer, Integer> totalContestantCounts =
contestantVotes.updateStateByKey(updateFunction);
// used for sorting
PairFunction<Tuple2<Integer, Integer>, Integer, Integer> swapFunction =
new PairFunction<Tuple2<Integer, Integer>, Integer, Integer>() {
public Tuple2<Integer, Integer> call(Tuple2<Integer, Integer> in) {
return in.swap();
}
};
JavaPairDStream<Integer, Integer> swappedTotalContestantCounts =
totalContestantCounts.mapToPair(swapFunction);
JavaPairDStream<Integer, Integer> sortedTotalContestantCounts =
swappedTotalContestantCounts.transformToPair(
new Function<JavaPairRDD<Integer, Integer>, JavaPairRDD<Integer, Integer>>() {
public JavaPairRDD<Integer, Integer> call(JavaPairRDD<Integer, Integer> in)
throws Exception {
return in.sortByKey(false);
}
});
sortedTotalContestantCounts.print();
// make some statistics
phoneCalls.foreachRDD(
new Function<JavaRDD<PhoneCall>, Void>() {
public Void call(JavaRDD<PhoneCall> rdd) throws Exception {
Long count = rdd.count();
// System.out.println( "count : " + count );
Double throughput = (count.doubleValue() * 1000 / batch_duration.doubleValue());
System.out.println("Current rate = " + throughput + " records / second");
XMemcachedClientBuilder builder =
new XMemcachedClientBuilder(AddrUtil.getAddresses("localhost:11211"));
XMemcachedClient client = (XMemcachedClient) builder.build();
client.setPrimitiveAsString(true);
Long currentTimeStamp = System.currentTimeMillis();
// System.out.println("End time: " + currentTimeStamp);
client.add(currentTimeStamp.toString(), 0, throughput);
return null;
}
});
jssc.start(); // Start the computation
jssc.awaitTermination(); // Wait for the computation to terminate
}
public static void main(String[] args) {
// Create the context with a 10 second batch size
SparkConf sparkConf = new SparkConf().setAppName("Assignment");
JavaStreamingContext ssc = new JavaStreamingContext(sparkConf, new Duration(10000));
// Create a JavaReceiverInputDStream on target ip:port and count the
// words in input stream of \n delimited text (eg. generated by 'nc')
// Note that no duplication in storage level only for running locally.
// Replication necessary in distributed scenario for fault tolerance.
JavaReceiverInputDStream<String> lines =
ssc.socketTextStream(
"localhost", Integer.parseInt("9999"), StorageLevels.MEMORY_AND_DISK_SER);
JavaDStream<String> words =
lines.flatMap(
new FlatMapFunction<String, String>() {
@Override
public Iterable<String> call(String x) {
List<String> allMatches = new ArrayList<String>();
Matcher matcher = SPACE.matcher(x);
while (matcher.find()) {
allMatches.add(matcher.group().toLowerCase());
}
return Lists.newArrayList(allMatches.toArray(new String[0]));
}
});
JavaPairDStream<String, Integer> wordCounts =
words.mapToPair(
new PairFunction<String, String, Integer>() {
@Override
public Tuple2<String, Integer> call(String s) {
return new Tuple2<String, Integer>(s, 1);
}
});
// Reduce function adding two integers, defined separately for clarity
Function2<Integer, Integer, Integer> reduceFunc =
new Function2<Integer, Integer, Integer>() {
@Override
public Integer call(Integer i1, Integer i2) throws Exception {
return i1 + i2;
}
};
JavaPairDStream<String, Integer> windowedWordCounts =
wordCounts.reduceByKeyAndWindow(reduceFunc, new Duration(30000), new Duration(10000));
windowedWordCounts.print();
ssc.start();
ssc.awaitTermination();
}
public static void main(String[] args) {
Logger logger = Logger.getRootLogger();
logger.setLevel(Level.OFF);
String consumerKey = "JqQ1lAWg90PVD9U8XoDWedCm8";
String consumerSecret = "QaUe7V9HuYQvC031MVqpUuuP2OjieI0BBDEHLpFOR221zjQ0xp";
String accessToken = "3299869044-UVd8CwTfnDgcGFGPro2yGXKWhArKtXRxC6iekmH";
String accessTokenSecret = "3XtGQi1naI1V9wCVs2aQgEeVWr65vXDczOwGvqa3iGlEG";
System.setProperty("twitter4j.oauth.consumerKey", consumerKey);
System.setProperty("twitter4j.oauth.consumerSecret", consumerSecret);
System.setProperty("twitter4j.oauth.accessToken", accessToken);
System.setProperty("twitter4j.oauth.accessTokenSecret", accessTokenSecret);
String[] filters = {"bulling", "bullied", "bulling", "bullyed", "bully", "teased"};
SparkConf sparkConf = new SparkConf().setAppName("bullyhunter");
System.out.println("Started bullyhunter...");
JavaStreamingContext sc = new JavaStreamingContext(sparkConf, Durations.seconds(2));
JavaReceiverInputDStream<Status> stream = TwitterUtils.createStream(sc, filters);
JavaDStream<String> text =
stream.map(
new Function<Status, String>() {
public String call(Status status) {
// String msg = status.getText();
// String filtered_msg = Enrichment.filter(msg);
// if (filtered_msg == null) {
// return null;
// }
// TweetRecord tr = new TweetRecord();
// tr.setMsg(filtered_msg);
// //tr.setGeo(status.getGeoLocation().getLatitude());
// String fullName = status.getPlace().getFullName();
// if (fullName == null)
// return null;
// String[] fields = fullName.spilt(DELIMITER);
// tr.setCity(fullName.split());
String msg = status.getText();
double ind = Classification.classifyTweet(msg);
if (ind > 0) {
return status.getText();
} else {
return null;
}
}
});
// text = text.filter(new Function<String, Boolean>() {
// public Boolean call(String msg) {
// boolean containKeyword = false;
// String lowerCase = msg.toLowerCase();
// for (String k : keywords)
// if (lowerCase.contains(k)) {
// containKeyword = true;
// break;
// }
// if (containKeyword == true && lowerCase.contains("bull")
// && !lowerCase.contains("RT")) {
// return true;
// }
// return false;
// }
//
// });
text =
text.filter(
new Function<String, Boolean>() {
public Boolean call(String msg) {
return (msg == null) ? false : true;
}
});
text.print();
sc.start();
sc.awaitTermination();
}