public void storeTravelModeChoiceOutput(ArrayList<String[]> travModeChoice, int inputYear) {
String tableName = "travelmode_choice_output_" + inputYear;
String sql =
"INSERT INTO "
+ tableName
+ " (individual_id, hhold_id, travel_mode, purpose, origin, destination, old_travel_mode) VALUES (?,?,?,?,?,?,?);";
try {
List<List<String[]>> travModeBatches = Lists.partition(travModeChoice, BATCH_SIZE);
for (final List<String[]> travModeBatch : travModeBatches) {
jdbcTemplate.batchUpdate(
sql,
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps, int i) throws SQLException {
for (int j = 0; j < travModeBatch.get(i).length; j++) {
ps.setString(j + 1, travModeBatch.get(i)[j]);
}
}
@Override
public int getBatchSize() {
return travModeBatch.size();
}
});
}
} catch (DataAccessException e) {
logger.error("Failed to insert travel mode choice output.", e);
}
}
@RequestMapping(value = "/api/group", method = RequestMethod.POST, produces = "application/json")
public List<BroadcastGroup> createGroup(
@RequestParam("name") String name, @RequestParam("setSize") Integer setSize) {
if (broadcastRepository.findOne(name) == null) {
AtomicInteger counter = new AtomicInteger(0);
List<String> userIds =
session
.getUsers()
.stream()
.filter(slackUser -> !slackUser.isBot())
.map(SlackPersona::getId)
.collect(Collectors.toList());
List<BroadcastSet> broadcastSets =
Lists.partition(userIds, setSize)
.stream()
.map(
set ->
new BroadcastSet(
counter.incrementAndGet(), set, new ArrayList<BroadcastMessage>()))
.collect(Collectors.toList());
broadcastRepository.save(new BroadcastGroup(name, broadcastSets, new Date()));
} else {
log.error("Group with name {} already exist", name);
}
return broadcastRepository.findAll();
}
public static Collection<BatchPoints> create(
int chunksize, String db, ZeitreihenDTO... zeitreihenDTOs) throws ParseException {
List<Point> points = new ArrayList<>();
for (ZeitreihenDTO zeitreihenDTO : zeitreihenDTOs) {
for (Long timestamp : timestamps(zeitreihenDTO)) {
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTimeZone(TimeZone.getTimeZone("UTC"));
calendar.setTimeInMillis(timestamp);
int monat = calendar.get(Calendar.MONTH) + 1;
int jahr = calendar.get(Calendar.YEAR);
points.add(
Point.measurement("lastgang")
.tag("zaehlpunktbezeichnung", zeitreihenDTO.zaehlpunktbezeichnung)
.tag("commodity", zeitreihenDTO.commodity)
.tag("zaehlverfahren", zeitreihenDTO.zaehlverfahren)
.tag("monat", String.valueOf(monat))
.tag("jahr", String.valueOf(jahr))
.time(timestamp, TimeUnit.MILLISECONDS)
.field("value", randomValue())
.build());
}
}
Collection<BatchPoints> batchPoints = new ArrayList<>();
Lists.partition(points, chunksize)
.forEach(
chunk -> {
BatchPoints bp = BatchPoints.database(db).retentionPolicy("default").build();
chunk.forEach(bp::point);
batchPoints.add(bp);
});
return batchPoints;
}
private void storeNewborns() {
String sql =
"INSERT INTO test_newborns_" + year + " (indiv_id, gender, hhold_id) VALUES (?, ?, ?);";
try {
List<List<String[]>> newbornsBatches = Lists.partition(newborns, BATCH_SIZE);
for (final List<String[]> newbornsBatch : newbornsBatches) {
jdbcTemplate.batchUpdate(
sql,
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps, int i) throws SQLException {
for (int j = 0; j < newbornsBatch.get(i).length; j++) {
ps.setString(j + 1, newbornsBatch.get(i)[j]);
}
}
@Override
public int getBatchSize() {
return newbornsBatch.size();
}
});
}
} catch (DataAccessException e) {
logger.error("Failed to insert newborns output.", e);
} finally {
// Clear data structure
newborns.clear();
}
}
private void storeLinkDelayOutput() {
String sql =
"INSERT INTO transims_output_linkdelay_"
+ year
+ " (link, dir, depart, arrive, flow, time) VALUES (?, ?, ?, ?, ?, ?);";
try {
List<List<String[]>> delayOutputArrayListBatches =
Lists.partition(linkDelayOutputArrayList, BATCH_SIZE);
for (final List<String[]> delayOutputArrayListBatch : delayOutputArrayListBatches) {
jdbcTemplate.batchUpdate(
sql,
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps, int i) throws SQLException {
for (int j = 0; j < delayOutputArrayListBatch.get(i).length; j++) {
ps.setString(j + 1, delayOutputArrayListBatch.get(i)[j]);
}
}
@Override
public int getBatchSize() {
return delayOutputArrayListBatch.size();
}
});
}
} catch (DataAccessException e) {
logger.error("Failed to insert link delay output.", e);
} finally {
// clear data structure
linkDelayOutputArrayList.clear();
}
}
private void storeTimePlanOutput() {
String sql =
"INSERT INTO transims_output_timeplans_"
+ year
+ " (household, person, trip, mode, depart, purpose,trip_length) VALUES (?, ?, ?, ?, ?, ?, ?);";
try {
List<List<String[]>> timeplanOutputArrayListBatches =
Lists.partition(timeplanOutputArrayList, BATCH_SIZE);
for (final List<String[]> timeplanOutputArrayListBatch : timeplanOutputArrayListBatches) {
jdbcTemplate.batchUpdate(
sql,
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps, int i) throws SQLException {
for (int j = 0; j < timeplanOutputArrayListBatch.get(i).length; j++) {
ps.setString(j + 1, timeplanOutputArrayListBatch.get(i)[j]);
}
}
@Override
public int getBatchSize() {
return timeplanOutputArrayListBatch.size();
}
});
}
} catch (DataAccessException e) {
logger.error("Failed to insert time plan output.", e);
} finally {
// clear data structure
timeplanOutputArrayList.clear();
}
}
/**
* updates satisfaction for each travel zone. first query the synthetic_population_ouput table in
* the same year, then update the data into travel_zone_output table.
*/
public void storeSatisfaction() {
String sqlGetData =
"select tz_2006 as travelZone,avg(satisfaction) as averageSatisfaction from synthetic_population_output_"
+ this.year
+ " group by tz_2006;";
String sqlSetData =
"update travel_zone_output_" + this.year + " set satisfaction = ? where tz_2006 =? ;";
try {
List<List<Map<String, Object>>> satisfactionBatches =
Lists.partition(jdbcTemplate.queryForList(sqlGetData), BATCH_SIZE);
for (final List<Map<String, Object>> satisfactionBatch : satisfactionBatches) {
jdbcTemplate.batchUpdate(
sqlSetData,
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps, int i) throws SQLException {
Map<String, Object> result = satisfactionBatch.get(i);
ps.setDouble(1, (Double) result.get("averageSatisfaction"));
ps.setInt(2, (Integer) result.get("travelZone"));
}
@Override
public int getBatchSize() {
return satisfactionBatch.size();
}
});
}
} catch (DataAccessException e) {
logger.error("Failed to store satisfaction", e);
}
}
private void storeEmigrants() {
String sql =
"INSERT INTO test_emigrants_"
+ year
+ " (indiv_id, age, gender, hhold_id, hhold_type, nbr_needed, hhold_income, ownership, year_dwelling_bought) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?);";
try {
List<List<String[]>> emigrantBatches = Lists.partition(testEmigrants, BATCH_SIZE);
for (final List<String[]> emigrantBatch : emigrantBatches) {
jdbcTemplate.batchUpdate(
sql,
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps, int i) throws SQLException {
for (int j = 0; j < emigrantBatch.get(i).length; j++) {
ps.setString(j + 1, emigrantBatch.get(i)[j]);
}
}
@Override
public int getBatchSize() {
return emigrantBatch.size();
}
});
}
} catch (DataAccessException e) {
logger.error("Failed to insert emigrants output.", e);
} finally {
// clear data structure
testEmigrants.clear();
}
}
private void storeDeadPeople() {
String sql =
"INSERT INTO test_deadpeople_"
+ year
+ " (indiv_id, age, hhold_id, hhold_relationship, gender) VALUES (?, ?, ?, ?, ?);";
try {
List<List<String[]>> deadPeopleBatches = Lists.partition(deadPeople, BATCH_SIZE);
for (final List<String[]> deadPeopleBatch : deadPeopleBatches) {
jdbcTemplate.batchUpdate(
sql,
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps, int i) throws SQLException {
for (int j = 0; j < deadPeopleBatch.get(i).length; j++) {
ps.setString(j + 1, deadPeopleBatch.get(i)[j]);
}
}
@Override
public int getBatchSize() {
return deadPeopleBatch.size();
}
});
}
} catch (DataAccessException e) {
logger.error("Failed to insert deadpeople output.", e);
} finally {
// Clear data structure
deadPeople.clear();
}
}
/**
* Abort jobs for a given list of job {@link UUID}s. If the size of the list is larger that the
* {@code _batchRequestSize}, it will partition the list into smaller lists to abort separately.
*
* @param uuids specifies a list of job {@link UUID}s expected to abort.
* @throws JobClientException
*/
public void abort(Collection<UUID> uuids) throws JobClientException {
final List<NameValuePair> allParams = new ArrayList<NameValuePair>(uuids.size());
for (UUID uuid : uuids) {
allParams.add(new BasicNameValuePair("job", uuid.toString()));
}
// Partition a large query into small queries.
for (final List<NameValuePair> params : Lists.partition(allParams, _batchRequestSize)) {
HttpRequestBase httpRequest;
try {
URIBuilder uriBuilder = new URIBuilder(_uri);
uriBuilder.addParameters(params);
httpRequest = new HttpDelete(uriBuilder.build());
} catch (URISyntaxException e) {
throw releaseAndCreateException(
null, "Can not submit DELETE request " + params + " via uri " + _uri, e);
}
HttpResponse httpResponse;
try {
httpResponse = _httpClient.execute(httpRequest);
} catch (IOException e) {
throw releaseAndCreateException(
httpRequest, "Can not submit DELETE request " + params + " via uri " + _uri, e);
}
// Check status code.
final StatusLine statusLine = httpResponse.getStatusLine();
// Base on the decision graph
// http://clojure-liberator.github.io/liberator/tutorial/decision-graph.html
// If jobs are aborted successfully, the returned status code is 204.
if (statusLine.getStatusCode() != HttpStatus.SC_NO_CONTENT) {
throw releaseAndCreateException(
httpRequest,
"The response of DELETE request "
+ params
+ " via uri "
+ _uri
+ ": "
+ statusLine.getReasonPhrase()
+ ", "
+ statusLine.getStatusCode(),
null);
}
// Parse the response.
try {
// Parse the response to string.
final HttpEntity entity = httpResponse.getEntity();
if (null != entity) {
final String response = EntityUtils.toString(entity);
if (_log.isDebugEnabled()) {
_log.debug("Response String for aborting jobs " + uuids + " is " + response);
}
}
} catch (ParseException | IOException e) {
throw new JobClientException(
"Can not parse the response for DELETE request " + params + " via uri " + _uri, e);
} finally {
httpRequest.releaseConnection();
}
}
}
@Test
public void whenPartitionList_thenPartitioned() {
final List<String> names = Lists.newArrayList("John", "Jane", "Adam", "Tom", "Viki", "Tyler");
final List<List<String>> result = Lists.partition(names, 2);
assertEquals(3, result.size());
assertThat(result.get(0), contains("John", "Jane"));
assertThat(result.get(1), contains("Adam", "Tom"));
assertThat(result.get(2), contains("Viki", "Tyler"));
}
@Override
protected void createPartitionSublists() {
List<String> fileLocations =
((FormatSelection) scanRel.getDrillTable().getSelection()).getAsFiles();
List<PartitionLocation> locations = new LinkedList<>();
for (String file : fileLocations) {
locations.add(new DFSPartitionLocation(MAX_NESTED_SUBDIRS, getBaseTableLocation(), file));
}
locationSuperList = Lists.partition(locations, PartitionDescriptor.PARTITION_BATCH_SIZE);
sublistsCreated = true;
}
@Override
@Transactional
public StageResult stage(List<MotleyObject> records, String templateDB, String templateTable) {
String stageTableName = StageUtils.getStageTableName(templateTable);
String createTableDDL =
"SELECT date, name, id, price, amount, fx_rate, is_valid, knowledge_time INTO "
+ stageTableName
+ " FROM "
+ templateDB
+ ".."
+ templateTable;
getJdbcTemplate().update(createTableDDL);
String insertDML =
"INSERT INTO "
+ stageTableName
+ "(date, name, id, price, amount, fx_rate, is_valid, knowledge_time) "
+ " VALUES (?, ?, ?, ?, ?, ?, ?, ?)";
List<List<MotleyObject>> partitions = Lists.partition(records, batchSize);
for (final List<MotleyObject> partition : partitions) {
BatchPreparedStatementSetter pss =
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps, int i) throws SQLException {
MotleyObject rec = partition.get(i);
ps.setDate(1, new Date(rec.getDate().getTime()));
ps.setString(2, rec.getName());
ps.setInt(3, rec.getId());
ps.setBigDecimal(4, rec.getPrice());
ps.setBigDecimal(5, rec.getAmount());
ps.setBigDecimal(6, rec.getFxRate());
ps.setBoolean(7, rec.getIsValid());
ps.setDate(8, new Date(rec.getKnowledgeTime().getTime()));
}
@Override
public int getBatchSize() {
return partition.size();
}
};
getJdbcTemplate().batchUpdate(insertDML, pss);
}
StageResult result = new StageResult();
result.setDbName(templateDB);
result.setTableName(stageTableName);
return result;
}
@Test
public void testRateLimiter() throws Exception {
RateLimiter limiter = RateLimiter.create(500);
long startTime = System.currentTimeMillis();
for (int i = 0; i < 100; i++) {
limiter.acquire();
System.out.println("current is " + i);
}
long endTime = System.currentTimeMillis();
System.out.println(endTime - startTime);
ArrayList<String> arrayList = Lists.newArrayList("1", "2", "3", "4", "5");
List<List<String>> partition = Lists.partition(arrayList, 2);
System.out.println(partition.size());
}
/**
* Get list of documents for given list of numeric ids. The result list is ordered by sequence
* number, and only the current revisions are returned.
*
* @param docIds given list of internal ids
* @return list of documents ordered by sequence number
*/
List<DocumentRevision> getDocumentsWithInternalIds(List<Long> docIds) {
Preconditions.checkNotNull(docIds, "Input document internal id list can not be null");
if (docIds.size() == 0) {
return Collections.emptyList();
}
final String GET_DOCUMENTS_BY_INTERNAL_IDS =
"SELECT "
+ FULL_DOCUMENT_COLS
+ " FROM revs, docs "
+ "WHERE revs.doc_id IN ( %s ) AND current = 1 AND docs.doc_id = revs.doc_id";
// Split into batches because SQLite has a limit on the number
// of placeholders we can use in a single query. 999 is the default
// value, but it can be lower. It's hard to find this out from Java,
// so we use a value much lower.
List<DocumentRevision> result = new ArrayList<DocumentRevision>(docIds.size());
List<List<Long>> batches = Lists.partition(docIds, SQLITE_QUERY_PLACEHOLDERS_LIMIT);
for (List<Long> batch : batches) {
String sql =
String.format(
GET_DOCUMENTS_BY_INTERNAL_IDS, SQLDatabaseUtils.makePlaceholders(batch.size()));
String[] args = new String[batch.size()];
for (int i = 0; i < batch.size(); i++) {
args[i] = Long.toString(batch.get(i));
}
result.addAll(getRevisionsFromRawQuery(sql, args));
}
// Contract is to sort by sequence number, which we need to do
// outside the sqlDb as we're batching requests.
Collections.sort(
result,
new Comparator<DocumentRevision>() {
@Override
public int compare(
DocumentRevision documentRevision, DocumentRevision documentRevision2) {
long a = documentRevision.getSequence();
long b = documentRevision2.getSequence();
return (int) (a - b);
}
});
return result;
}
private void storeSPAfterReloc() {
String sql =
"INSERT INTO test_sp_after_reloc_"
+ year
+ " (indiv_id, "
+ "age, "
+ "gender, "
+ "indiv_income, "
+ "hhold_relationship, "
+ "hhold_id, "
+ "hhold_type, "
+ "tenure, "
+ "nbr_needed, "
+ "ownership, "
+ "tz, "
+ "nbr_having"
+ ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);";
try {
List<List<String[]>> spAfterRelocatedBatches = Lists.partition(testSPAfterReloc, BATCH_SIZE);
for (final List<String[]> spAfterRelocatedBatch : spAfterRelocatedBatches) {
jdbcTemplate.batchUpdate(
sql,
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps, int i) throws SQLException {
for (int j = 0; j < spAfterRelocatedBatch.get(i).length; j++) {
ps.setString(j + 1, spAfterRelocatedBatch.get(i)[j]);
}
}
@Override
public int getBatchSize() {
return spAfterRelocatedBatch.size();
}
});
}
} catch (DataAccessException e) {
logger.error("Failed to insert sp_after_reloc output.", e);
} finally {
// clear data structure
testSPAfterReloc.clear();
}
}
public Collection<ComponentDto> selectComponentsByIds(Collection<Long> ids) {
if (ids.isEmpty()) {
return Collections.emptyList();
}
SqlSession session = mybatis.openSession(false);
try {
List<ComponentDto> components = newArrayList();
List<List<Long>> partitionList = Lists.partition(newArrayList(ids), 1000);
for (List<Long> partition : partitionList) {
List<ComponentDto> dtos =
session.getMapper(ResourceMapper.class).selectComponentsByIds(partition);
components.addAll(dtos);
}
return components;
} finally {
MyBatis.closeQuietly(session);
}
}
private void storeEquity() {
String sql =
"INSERT INTO test_equity_"
+ year
+ " (hhold_id, "
+ "hhold_type, "
+ "hhold_income, "
+ "ownership, "
+ "savings_if_rent, "
+ "year_dwelling_bought, "
+ "equity, "
+ "yearly_mortgage, "
+ "dwelling_price, "
+ "duty_paid"
+ ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?);";
try {
List<List<String[]>> equityBatches = Lists.partition(testEquity, BATCH_SIZE);
for (final List<String[]> equityBatch : equityBatches) {
jdbcTemplate.batchUpdate(
sql,
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps, int i) throws SQLException {
for (int j = 0; j < equityBatch.get(i).length; j++) {
ps.setString(j + 1, equityBatch.get(i)[j]);
}
}
@Override
public int getBatchSize() {
return equityBatch.size();
}
});
}
} catch (DataAccessException e) {
logger.error("Failed to insert equity output.", e);
} finally {
// clear data structure
testEquity.clear();
}
}
public boolean execute(ICommandSender sender, String[] args) {
IPlayer player = (IPlayer) sender;
if (player.hasPermission(PermissionNames.ADMIN_EXPIRED)) {
if (manager.isPlotWorld(player.getWorld())) {
PlotMapInfo pmi = manager.getMap(player);
if (pmi.getDaysToExpiration() != 0) {
int page = 1;
if (args.length == 2) {
page = Integer.parseInt(args[1]);
}
List<List<Plot>> partition =
Lists.partition(plugin.getSqlManager().getExpiredPlots(player.getWorld()), 10);
if (partition.isEmpty()) {
player.sendMessage(C("MsgNoPlotExpired"));
} else {
player.sendMessage(C("MsgExpiredPlotsPage", page, partition.size()));
for (Plot plot : partition.get(page - 1)) {
assert plot.getExpiredDate() != null;
player.sendMessage(
plot.getId()
+ " -> "
+ plot.getOwner()
+ " @ "
+ plot.getExpiredDate().toString());
}
}
} else {
return true;
}
} else {
player.sendMessage(C("NotPlotWorld"));
return true;
}
} else {
return false;
}
return true;
}
private void storeHholdNotReloc() {
String sql =
"INSERT INTO test_notreloc_hhold_"
+ year
+ " (hhold_id, "
+ "nbr_needed, "
+ "nbr_having"
+ ") VALUES (?, ?, ?);";
try {
List<List<String[]>> notRelocatedHholdBatches =
Lists.partition(testNotRelocHhold, BATCH_SIZE);
for (final List<String[]> notRelocatedHholdBatch : notRelocatedHholdBatches) {
jdbcTemplate.batchUpdate(
sql,
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps, int i) throws SQLException {
for (int j = 0; j < notRelocatedHholdBatch.get(i).length; j++) {
ps.setString(j + 1, notRelocatedHholdBatch.get(i)[j]);
}
}
@Override
public int getBatchSize() {
return notRelocatedHholdBatch.size();
}
});
}
} catch (DataAccessException e) {
logger.error("Failed to insert notreloc_hhold output.", e);
} finally {
// clear data structure
testNotRelocHhold.clear();
}
}
public void storeOccupancyCounts(Map<Integer, int[]> occupancyRate, int year) {
String sql =
"INSERT INTO dwelling_occupancy_counts_"
+ year
+ "( tz, _1bd, _2bd, _3bd, _4bd) VALUES (?, ?, ?, ?, ?);";
try {
List<Entry<Integer, int[]>> occupancyRateSet = new ArrayList<>();
occupancyRateSet.addAll(occupancyRate.entrySet());
List<List<Entry<Integer, int[]>>> occupancyBatches =
Lists.partition(occupancyRateSet, BATCH_SIZE);
for (final List<Entry<Integer, int[]>> occupancyBatch : occupancyBatches) {
jdbcTemplate.batchUpdate(
sql,
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps, int i) throws SQLException {
Map.Entry<Integer, int[]> occupancy = occupancyBatch.get(i);
ps.setInt(1, occupancy.getKey());
for (int j = 0; j < occupancy.getValue().length; j++) {
ps.setInt(j + 2, occupancy.getValue()[j]);
}
}
@Override
public int getBatchSize() {
return occupancyBatch.size();
}
});
}
} catch (DataAccessException e) {
logger.error("Failed to update occupancy counts.", e);
}
}
public Collection<Component> findByIds(Collection<Long> ids) {
if (ids.isEmpty()) {
return Collections.emptyList();
}
SqlSession session = mybatis.openSession();
try {
List<ResourceDto> resources = newArrayList();
List<List<Long>> idsPartition = Lists.partition(newArrayList(ids), 1000);
for (List<Long> partition : idsPartition) {
List<ResourceDto> dtos =
session.getMapper(ResourceMapper.class).selectResourcesById(partition);
resources.addAll(dtos);
}
Collection<Component> components = newArrayList();
for (ResourceDto resourceDto : resources) {
components.add(toComponent(resourceDto));
}
return components;
} finally {
MyBatis.closeQuietly(session);
}
}
public List<List<FloatDataSet>> batchBy(int num) {
return Lists.partition(asList(), num);
}
/**
* Sorts the dataset by label: Splits the data applyTransformToDestination such that examples are
* sorted by their labels. A ten label dataset would produce lists with batches like the
* following: x1 y = 1 x2 y = 2 ... x10 y = 10
*
* @return a list of data sets partitioned by outcomes
*/
public List<List<FloatDataSet>> sortAndBatchByNumLabels() {
sortByLabel();
return Lists.partition(asList(), numOutcomes());
}
public List<List<FloatDataSet>> batchByNumLabels() {
return Lists.partition(asList(), numOutcomes());
}
/**
* Adds information of last attachment to the resources. To be compatible with the AWS
* implementation of the same crawler, add the information to the JANITOR_META tag. It always uses
* the latest information to update the tag in this resource (not writing back to AWS) no matter
* if the tag exists.
*
* @param resources the volume resources
*/
private void addLastAttachmentInfo(List<Resource> resources) {
Validate.notNull(resources);
LOGGER.info(
String.format("Updating the latest attachment info for %d resources", resources.size()));
Map<String, List<Resource>> regionToResources = Maps.newHashMap();
for (Resource resource : resources) {
List<Resource> regionalList = regionToResources.get(resource.getRegion());
if (regionalList == null) {
regionalList = Lists.newArrayList();
regionToResources.put(resource.getRegion(), regionalList);
}
regionalList.add(resource);
}
for (Map.Entry<String, List<Resource>> entry : regionToResources.entrySet()) {
LOGGER.info(
String.format(
"Updating the latest attachment info for %d resources in region %s",
resources.size(), entry.getKey()));
for (List<Resource> batch : Lists.partition(entry.getValue(), BATCH_SIZE)) {
LOGGER.info(String.format("Processing batch of size %d", batch.size()));
String batchUrl = getBatchUrl(entry.getKey(), batch);
JsonNode batchResult = null;
try {
batchResult = eddaClient.getJsonNodeFromUrl(batchUrl);
} catch (IOException e) {
LOGGER.error("Failed to get response for the batch.", e);
}
Map<String, Resource> idToResource = Maps.newHashMap();
for (Resource resource : batch) {
idToResource.put(resource.getId(), resource);
}
if (batchResult == null || !batchResult.isArray()) {
throw new RuntimeException(
String.format(
"Failed to get valid document from %s, got: %s", batchUrl, batchResult));
}
Set<String> processedIds = Sets.newHashSet();
for (Iterator<JsonNode> it = batchResult.getElements(); it.hasNext(); ) {
JsonNode elem = it.next();
JsonNode data = elem.get("data");
String volumeId = data.get("volumeId").getTextValue();
Resource resource = idToResource.get(volumeId);
JsonNode attachments = data.get("attachments");
Validate.isTrue(attachments.isArray() && attachments.size() > 0);
JsonNode attachment = attachments.get(0);
JsonNode ltime = elem.get("ltime");
if (ltime == null || ltime.isNull()) {
continue;
}
DateTime detachTime = new DateTime(ltime.asLong());
processedIds.add(volumeId);
setAttachmentInfo(volumeId, attachment, detachTime, resource);
}
for (Map.Entry<String, Resource> volumeEntry : idToResource.entrySet()) {
String id = volumeEntry.getKey();
if (!processedIds.contains(id)) {
Resource resource = volumeEntry.getValue();
LOGGER.info(
String.format(
"Volume %s never was attached, use createTime %s as the detachTime",
id, resource.getLaunchTime()));
setAttachmentInfo(id, null, new DateTime(resource.getLaunchTime().getTime()), resource);
}
}
}
}
}
/**
* Query jobs for a given list of job {@link UUID}s. If the list size is larger that the {@code
* _batchRequestSize}, it will partition the list into smaller lists and query them respectively
* and return all query results together.
*
* @param uuids specifies a list of job {@link UUID}s expected to query.
* @return a {@link ImmutableMap} from job {@link UUID} to {@link Job}.
* @throws JobClientException
*/
public ImmutableMap<UUID, Job> query(Collection<UUID> uuids) throws JobClientException {
final List<NameValuePair> allParams = new ArrayList<NameValuePair>(uuids.size());
for (UUID uuid : uuids) {
allParams.add(new BasicNameValuePair("job", uuid.toString()));
}
final ImmutableMap.Builder<UUID, Job> UUIDToJob = ImmutableMap.builder();
// Partition a large query into small queries.
for (final List<NameValuePair> params : Lists.partition(allParams, _batchRequestSize)) {
HttpResponse httpResponse;
HttpRequestBase httpRequest;
try {
URIBuilder uriBuilder = new URIBuilder(_uri);
uriBuilder.addParameters(params);
httpRequest = new HttpGet(uriBuilder.build());
httpResponse = _httpClient.execute(httpRequest);
} catch (IOException | URISyntaxException e) {
throw releaseAndCreateException(
null, "Can not submit GET request " + params + " via uri " + _uri, e);
}
// Check status code.
final StatusLine statusLine = httpResponse.getStatusLine();
// Base on the decision graph
// http://clojure-liberator.github.io/liberator/tutorial/decision-graph.html
// The status code for the proper GET response is 200.
if (statusLine.getStatusCode() != HttpStatus.SC_OK) {
throw releaseAndCreateException(
httpRequest,
"The response of GET request "
+ params
+ " via uri "
+ _uri
+ ": "
+ statusLine.getReasonPhrase()
+ ", "
+ statusLine.getStatusCode(),
null);
}
// Parse the response.
String response = null;
try {
// parse the response to string.
final HttpEntity entity = httpResponse.getEntity();
response = EntityUtils.toString(entity);
// Ensure that the entity content has been fully consumed and the underlying stream has been
// closed.
EntityUtils.consume(entity);
for (Job job : Job.parseFromJSON(response, _instanceDecorator)) {
UUIDToJob.put(job.getUUID(), job);
}
} catch (JSONException | ParseException | IOException e) {
throw new JobClientException(
"Can not parse the response = "
+ response
+ " for GET request "
+ params
+ " via uri "
+ _uri,
e);
} finally {
httpRequest.releaseConnection();
}
}
return UUIDToJob.build();
}
/**
* Partitions the data applyTransformToDestination by the specified number.
*
* @param num the number to split by
* @return the partitioned data applyTransformToDestination
*/
public List<FloatDataSet> dataSetBatches(int num) {
List<List<FloatDataSet>> list = Lists.partition(asList(), num);
List<FloatDataSet> ret = new ArrayList<>();
for (List<FloatDataSet> l : list) ret.add(FloatDataSet.merge(l));
return ret;
}