/*
* 너무 복잡하면 힘들다.
* 여기서 하던 filtering은 밖으로 뺀다.
* 그리고 여기서 처리하던 limit, ioexception, 그외 exception도 밖으로 뺀다.
* db insertion도 밖으로 뺀다.
* 즉, 여기서는 무조건 값만 받고, 자연스럽게 또는 exception에 의해 return한다.
* 2차 exception은 애초에 여기서 바로 다시 시도하는 것이 아니기 때문에 고려할 필요 없다.
*
* result, exception 정리를 위해 result exception throw로 return 단일화한다.
*/
public Result getListFromTag(String tag, Range<Long> range) {
Result.Status status =
Result.Status.Empty; // default는 not exception으로서 entire range travelled를 뜻한다.
List<MediaFeedData> result =
new ArrayList<MediaFeedData>(); // 값 유지를 위해 공간은 만들어두어야 한다. TODO: 다시 확인.
// TODO: RANGE NULL CHECK 일단 뺐는데, 필요할지 확인.
long from = range.getMinimum();
long to = range.getMaximum();
try {
// library가 object 구조를 좀 애매하게 해놓아서, 바로 loop 하기보다, 1 cycle은 직접 작성해주는 구조가 되었다.
TagMediaFeed list = instagram.getRecentMediaTags(tag, null, String.valueOf(to));
Pagination page = list.getPagination();
List<MediaFeedData> data = list.getData();
if (!addFilteredData(result, data, from, to)) { // filter가 안되어야만 다음으로 넘어가고, 아니면 그냥 그대로 끝이다.
if (page.hasNextPage()) {
MediaFeed nextList = instagram.getRecentMediaNextPage(page);
Pagination nextPage = nextList.getPagination();
List<MediaFeedData> nextData = nextList.getData();
while (true) {
if (!addFilteredData(
result, nextData, from, to)) { // filter가 안되어야만 다음으로 넘어가고, 아니면 그냥 그대로 끝이다.
if (result != null && result.size() > BATCH) {
throw new Exception(); // TODO: 밑으로 내려가는지 확인.
}
if (nextPage.hasNextPage()) {
nextList = instagram.getRecentMediaNextPage(nextPage);
nextPage = nextList.getPagination();
nextData = nextList.getData();
} else {
break;
}
} else { // if 자체가 while 안에서 실행되어야 되기 때문에 이렇게 else에서 break 걸어줘야 한다.
break;
}
}
}
}
} catch (Exception e) { // 아래의 단계를 거치게 해야 task loop에서의 처리가 깔끔해진다.
status = Result.Status.Normal; // 기본적으로 normal.
if (e instanceof InstagramException) { // 만약 insta exception이라면 exceed로 간주.
status = Result.Status.Exceed;
}
if (result != null && !result.isEmpty()) { // 그런데 만약 full travel이라면 empty로 간주.
long id = extractId(result.get(result.size() - 1).getId());
if (id == range.getMinimum()) {
status = Result.Status.Empty;
}
}
}
return new Result(status, result);
}
@Override
public void populateDAG(DAG dag, Configuration conf) {
String lPhoneRange = conf.get(PHONE_RANGE_PROP, null);
if (lPhoneRange != null) {
String[] tokens = lPhoneRange.split("-");
if (tokens.length != 2) {
throw new IllegalArgumentException("Invalid range: " + lPhoneRange);
}
this.phoneRange = Range.between(Integer.parseInt(tokens[0]), Integer.parseInt(tokens[1]));
}
LOG.debug("Phone range {}", this.phoneRange);
RandomEventGenerator phones = dag.addOperator("Receiver", RandomEventGenerator.class);
phones.setMinvalue(this.phoneRange.getMinimum());
phones.setMaxvalue(this.phoneRange.getMaximum());
PhoneMovementGenerator movementGen =
dag.addOperator("LocationFinder", PhoneMovementGenerator.class);
dag.setAttribute(
movementGen,
OperatorContext.COUNTERS_AGGREGATOR,
new BasicCounters.LongAggregator<MutableLong>());
StatelessThroughputBasedPartitioner<PhoneMovementGenerator> partitioner =
new StatelessThroughputBasedPartitioner<PhoneMovementGenerator>();
partitioner.setCooldownMillis(conf.getLong(COOL_DOWN_MILLIS, 45000));
partitioner.setMaximumEvents(conf.getLong(MAX_THROUGHPUT, 30000));
partitioner.setMinimumEvents(conf.getLong(MIN_THROUGHPUT, 10000));
dag.setAttribute(
movementGen,
OperatorContext.STATS_LISTENERS,
Arrays.asList(new StatsListener[] {partitioner}));
dag.setAttribute(movementGen, OperatorContext.PARTITIONER, partitioner);
// generate seed numbers
Random random = new Random();
int maxPhone = phoneRange.getMaximum() - phoneRange.getMinimum();
int phonesToDisplay = conf.getInt(TOTAL_SEED_NOS, 10);
for (int i = phonesToDisplay; i-- > 0; ) {
int phoneNo = phoneRange.getMinimum() + random.nextInt(maxPhone + 1);
LOG.info("seed no: " + phoneNo);
movementGen.phoneRegister.add(phoneNo);
}
// done generating data
LOG.info("Finished generating seed data.");
String gatewayAddress = dag.getValue(DAG.GATEWAY_CONNECT_ADDRESS);
URI uri = URI.create("ws://" + gatewayAddress + "/pubsub");
PubSubWebSocketOutputOperator<Object> wsOut =
dag.addOperator("LocationResults", new PubSubWebSocketOutputOperator<Object>());
wsOut.setUri(uri);
PubSubWebSocketInputOperator<Map<String, String>> wsIn =
dag.addOperator("QueryLocation", new PubSubWebSocketInputOperator<Map<String, String>>());
wsIn.setUri(uri);
// default partitioning: first connected stream to movementGen will be partitioned
dag.addStream("Phone-Data", phones.integer_data, movementGen.data);
dag.addStream("Results", movementGen.locationQueryResult, wsOut.input);
dag.addStream("Query", wsIn.outputPort, movementGen.phoneQuery);
}
private Range<Integer> parseDayOfMonthRange(String dayOfMonth) {
if (StringUtils.isBlank(dayOfMonth)) {
return null;
}
String dom = normalize(dayOfMonth);
String[] parts = StringUtils.split(dom, '-');
return Range.between(Integer.parseInt(parts[0]), Integer.parseInt(parts[1]));
}
private Range<Integer> parseDayOfWeekRange(String dayOfWeek) {
if (StringUtils.isBlank(dayOfWeek)) {
return null;
}
String dow = normalize(dayOfWeek);
String[] parts = StringUtils.split(dow, '-');
return Range.between(getDOW(parts[0]), getDOW(parts[1]));
}
public boolean isCurrentTimeInSchedule() {
DateTime now = DateTime.now();
if (dayOfWeekRange != null && !dayOfWeekRange.contains(now.getDayOfWeek())) {
return false;
}
if (dayOfMonthRange != null && !dayOfMonthRange.contains(now.getDayOfMonth())) {
return false;
}
if (timeRange != null) {
Interval interval =
new Interval(
timeRange.getLeft().toDateTimeToday(), timeRange.getRight().toDateTimeToday());
if (!interval.contains(now)) {
return false;
}
}
return true;
}
public class Rosenbrock {
public static final String FUNCTION_NAME = "Rosenbrock";
public static final Range<Double> range = Range.between(-2.048, 2.048);
public static double getfitnessValue(double[] varArray) {
double tempVar = 0.0;
for (int i = 0; i < (varArray.length - 1); i++) {
tempVar +=
(Math.pow((1 - varArray[i]), 2)
+ 100 * Math.pow((varArray[i + 1] - Math.pow(varArray[i], 2)), 2));
}
return DoubleFormatter.getFormattedDouble(tempVar, FUNCTION_NAME);
}
public static Double getfitnessValueNP(Double[] individual) {
Double tempVar = 0.0;
for (int i = 0; i < (individual.length - 1); i++) {
tempVar +=
(Math.pow((1 - individual[i]), 2)
+ 100 * Math.pow((individual[i + 1] - Math.pow(individual[i], 2)), 2));
}
return DoubleFormatter.getFormattedDouble(tempVar, FUNCTION_NAME);
}
public static void main(String[] args) {
double[] varArray = new double[30];
for (int i = 0; i < varArray.length; i++) {
varArray[i] = 1.0;
}
System.out.println(getfitnessValue(varArray));
}
public static Individual mutateIndividual(Individual individualtoMutate) {
// small change delta
double delta = 0.001;
Double[] individualtoMutateArray = individualtoMutate.getValues();
// initialize the neighbor solution
Double[] mutatedIndividual = new Double[Constants.DIMENSIONS];
Arrays.fill(mutatedIndividual, 0.0);
Individual mutatedIndv = new Individual();
// loop and change values of neighbor
// solution based on problem set
for (int i = 0; i < individualtoMutateArray.length; i++) {
if (individualtoMutateArray[i] < 1.00 && checkLimitCondition(individualtoMutateArray[i])) {
mutatedIndividual[i] =
DoubleFormatter.getFormattedDouble(individualtoMutateArray[i] + delta, FUNCTION_NAME);
} else if (individualtoMutateArray[i] > 1.00
&& checkLimitCondition(individualtoMutateArray[i])) {
mutatedIndividual[i] =
DoubleFormatter.getFormattedDouble(individualtoMutateArray[i] - delta, FUNCTION_NAME);
} else {
mutatedIndividual[i] =
DoubleFormatter.getFormattedDouble(individualtoMutateArray[i], FUNCTION_NAME);
}
}
mutatedIndv.setValues(mutatedIndividual);
mutatedIndv.setFitnessValue(getfitnessValueNP(mutatedIndividual));
// return changed neighbor array
return mutatedIndv;
}
public static boolean checkLimitCondition(double val) {
return val < Rosenbrock.range.getMaximum() && val > Rosenbrock.range.getMinimum();
}
}
