/**
* Get all events in a specific location by country or city name.<br>
* This method returns <em>all</em> events by subsequently calling {@link #getEvents(String,
* String, int, String)} and concatenating the single results into one list.<br>
* Pay attention if you use this method as it may produce a lot of network traffic and therefore
* may consume a long time.
*
* @param location Specifies a location to retrieve events for
* @param distance Find events within a specified radius (in kilometres)
* @param apiKey A Last.fm API key.
* @return a list containing all events
*/
public static Collection<Event> getAllEvents(String location, String distance, String apiKey) {
Collection<Event> events = null;
int page = 1, total;
do {
PaginatedResult<Event> result = getEvents(location, distance, page, apiKey);
total = result.getTotalPages();
Collection<Event> pageResults = result.getPageResults();
if (events == null) {
// events is initialized here to initialize it with the right size and avoid array copying
// later on
events = new ArrayList<Event>(total * pageResults.size());
}
for (Event artist : pageResults) {
events.add(artist);
}
page++;
} while (page <= total);
return events;
}
@GET
@Path("flowStats/{cluster}/{user}/{appId}")
@Produces(MediaType.APPLICATION_JSON)
public PaginatedResult<Flow> getJobFlowStats(
@PathParam("cluster") String cluster,
@PathParam("user") String user,
@PathParam("appId") String appId,
@QueryParam("version") String version,
@QueryParam("startRow") String startRowParam,
@QueryParam("startTime") long startTime,
@QueryParam("endTime") long endTime,
@QueryParam("limit") @DefaultValue("100") int limit,
@QueryParam("includeJobs") boolean includeJobs)
throws IOException {
LOG.info(
"Fetching flowStats for flowStats/{cluster}/{user}/{appId} with input query: "
+ "flowStats/"
+ cluster
+ SLASH // + user /{appId} cluster + " user " + user
+ appId
+ "?version="
+ version
+ "&limit="
+ limit
+ "&startRow="
+ startRowParam
+ "&startTime="
+ startTime
+ "&endTime="
+ endTime
+ "&includeJobs="
+ includeJobs);
Stopwatch timer = new Stopwatch().start();
byte[] startRow = null;
if (startRowParam != null) {
startRow = Base64.decode(startRowParam);
}
if (includeJobs) {
serializationContext.set(
new SerializationContext(
SerializationContext.DetailLevel.FLOW_SUMMARY_STATS_WITH_JOB_STATS));
} else {
serializationContext.set(
new SerializationContext(SerializationContext.DetailLevel.FLOW_SUMMARY_STATS_ONLY));
}
if (endTime == 0) {
endTime = Long.MAX_VALUE;
}
if ((limit == 0) || (limit == Integer.MAX_VALUE)) {
limit = Integer.MAX_VALUE - 1;
}
List<Flow> flows =
getJobHistoryService()
.getFlowTimeSeriesStats(
cluster, user, appId, version, startTime, endTime, limit + 1, startRow);
PaginatedResult<Flow> flowStatsPage = new PaginatedResult<Flow>(limit);
// add request parameters
flowStatsPage.addRequestParameter("user", user);
flowStatsPage.addRequestParameter("appId", appId);
if (StringUtils.isNotBlank(version)) {
flowStatsPage.addRequestParameter("version", version);
} else {
flowStatsPage.addRequestParameter("version", "all");
}
flowStatsPage.addRequestParameter("startTime", Long.toString(startTime));
flowStatsPage.addRequestParameter("endTime", Long.toString(endTime));
flowStatsPage.addRequestParameter("limit", Integer.toString(limit));
if (startRow != null) {
flowStatsPage.addRequestParameter("startRow", startRowParam);
}
if (includeJobs) {
flowStatsPage.addRequestParameter("includeJobs", "true");
} else {
flowStatsPage.addRequestParameter("includeJobs", "false");
}
if (flows.size() > limit) {
// copy over the last excluding the last element
// the last element is the start row for next page
flowStatsPage.setValues(flows.subList(0, limit));
flowStatsPage.setNextStartRow(new FlowKeyConverter().toBytes(flows.get(limit).getFlowKey()));
} else {
flowStatsPage.setNextStartRow(null);
flowStatsPage.setValues(flows);
}
timer.stop();
LOG.info(
"For flowStats/{cluster}/{user}/{appId} with input query: "
+ "flowStats/"
+ cluster
+ SLASH // + user /{appId} cluster + " user " + user
+ appId
+ "?version="
+ version
+ "&limit="
+ limit
+ "&startRow="
+ startRow
+ "&startTime="
+ startTime
+ "&endTime="
+ endTime
+ "&includeJobs="
+ includeJobs
+ " fetched "
+ flows.size()
+ " in "
+ timer);
return flowStatsPage;
}
