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minor fix 

git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/portlets/user/top-topics@132181 82a268e6-3cf1-43bd-a215-b396298e98cf
This commit is contained in:
Costantino Perciante 2016-09-30 12:20:19 +00:00
parent 6ec05b2040
commit 0107f8843f
2 changed files with 63 additions and 53 deletions
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80
src/main/java/org/gcube/portlets/user/topics/server/TopicServiceImpl.java
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@ -11,6 +11,7 @@ import java.util.LinkedList;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.Map.Entry; import java.util.Map.Entry;
import java.util.Set;
import org.apache.commons.codec.binary.Base64; import org.apache.commons.codec.binary.Base64;
import org.gcube.application.framework.core.session.ASLSession; import org.gcube.application.framework.core.session.ASLSession;
@ -39,9 +40,10 @@ import com.google.gwt.user.server.rpc.RemoteServiceServlet;
*/ */
@SuppressWarnings("serial") @SuppressWarnings("serial")
public class TopicServiceImpl extends RemoteServiceServlet implements TopicService { public class TopicServiceImpl extends RemoteServiceServlet implements TopicService {
private static final Logger _log = LoggerFactory.getLogger(TopicServiceImpl.class); private static final Logger logger = LoggerFactory.getLogger(TopicServiceImpl.class);
public static final String TEST_USER = "test.user"; public static final String TEST_USER = "test.user";
private static final String TEST_SCOPE = "/gcube/devsec/devVRE";
private static final int WINDOW_SIZE_IN_MONTHS = 6; // it must not exceed 12 private static final int WINDOW_SIZE_IN_MONTHS = 6; // it must not exceed 12
/** /**
@ -70,12 +72,13 @@ public class TopicServiceImpl extends RemoteServiceServlet implements TopicServi
String sessionID = this.getThreadLocalRequest().getSession().getId(); String sessionID = this.getThreadLocalRequest().getSession().getId();
String user = (String) this.getThreadLocalRequest().getSession().getAttribute(ScopeHelper.USERNAME_ATTRIBUTE); String user = (String) this.getThreadLocalRequest().getSession().getAttribute(ScopeHelper.USERNAME_ATTRIBUTE);
if (user == null) { if (user == null) {
_log.warn("USER IS NULL setting test.user and Running OUTSIDE PORTAL"); logger.warn("USER IS NULL setting test.user and Running OUTSIDE PORTAL");
user = getDevelopmentUser(); user = getDevelopmentUser();
SessionManager.getInstance().getASLSession(sessionID, user).setScope("/gcube/devsec/devVRE"); SessionManager.getInstance().getASLSession(sessionID, user).setScope(TEST_SCOPE);
} }
return SessionManager.getInstance().getASLSession(sessionID, user); return SessionManager.getInstance().getASLSession(sessionID, user);
} }
/** /**
* when packaging test will fail if the user is not set to test.user * when packaging test will fail if the user is not set to test.user
* @return . * @return .
@ -93,10 +96,16 @@ public class TopicServiceImpl extends RemoteServiceServlet implements TopicServi
public HashtagsWrapper getHashtags() { public HashtagsWrapper getHashtags() {
ArrayList<String> hashtagsChart = new ArrayList<String>(); ArrayList<String> hashtagsChart = new ArrayList<String>();
ASLSession session = getASLSession(); ASLSession session = getASLSession();
String userName = session.getUsername(); String userName = session.getUsername();
boolean isInfrastructure = isInfrastructureScope();
String currentScope = session.getScope(); String currentScope = session.getScope();
boolean isInfrastructure = isInfrastructureScope();
//in case the portal is restarted and you have the social home open it will get test.user (no callback to set session info)
//this check just return nothing if that happens
if (userName.compareTo(TEST_USER) == 0) {
logger.debug("Found " + userName + " returning nothing");
return null;
}
long timestampStart = System.currentTimeMillis(); long timestampStart = System.currentTimeMillis();
@ -107,20 +116,14 @@ public class TopicServiceImpl extends RemoteServiceServlet implements TopicServi
// print it // print it
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
_log.debug("Reference time for trending topics is " + format.format(referenceTime.getTime())); logger.debug("Reference time for trending topics is " + format.format(referenceTime.getTime()));
try { try {
//in case the portal is restarted and you have the social home open it will get test.user (no callback to set session info)
//this check just return nothing if that happens
if (userName.compareTo("test.user") == 0) {
_log.debug("Found " + userName + " returning nothing");
return null;
}
ArrayList<HashTagAndOccurrence> toSort = new ArrayList<HashTagAndOccurrence>(); ArrayList<HashTagAndOccurrence> toSort = new ArrayList<HashTagAndOccurrence>();
if (isInfrastructure) { if (isInfrastructure) {
_log.debug("****** retrieving hashtags for user VREs"); logger.debug("****** retrieving hashtags for user VREs and site");
// different vres could have a same hashtag, we need to merge them // different vres could have a same hashtag, we need to merge them
Map<String, Integer> hashtags = new HashMap<String, Integer>(); Map<String, Integer> hashtags = new HashMap<String, Integer>();
@ -134,11 +137,18 @@ public class TopicServiceImpl extends RemoteServiceServlet implements TopicServi
UserManager um = new LiferayUserManager(); UserManager um = new LiferayUserManager();
GCubeUser user = um.getUserByUsername(userName); GCubeUser user = um.getUserByUsername(userName);
List<GCubeGroup> groups = gm.listGroupsByUser(user.getUserId()); Set<GCubeGroup> vresInPortal = gm.listGroupsByUserAndSite(user.getUserId(), getThreadLocalRequest().getServerName());
for (GCubeGroup group : groups) { logger.debug("Contexts in this site are per user " + vresInPortal);
if (gm.isVRE(group.getGroupId())) {
String vreid = gm.getInfrastructureScope(group.getGroupId()); //get the scope List<String> contexts = new ArrayList<String>();
Map<String, Integer> map = store.getVREHashtagsWithOccurrenceFilteredByTime(vreid, referenceTime.getTimeInMillis());
// get the scopes associated with such groups
for (GCubeGroup gCubeGroup : vresInPortal) {
contexts.add(gm.getInfrastructureScope(gCubeGroup.getGroupId()));
}
for (String context : contexts) {
Map<String, Integer> map = store.getVREHashtagsWithOccurrenceFilteredByTime(context, referenceTime.getTimeInMillis());
// merge the values if needed // merge the values if needed
for (String hashtag : map.keySet()) { for (String hashtag : map.keySet()) {
@ -154,8 +164,7 @@ public class TopicServiceImpl extends RemoteServiceServlet implements TopicServi
// get the current list of vres in which the hashtag is present and add this new one // get the current list of vres in which the hashtag is present and add this new one
List<String> vres = hashtagsInVres.get(hashtag); List<String> vres = hashtagsInVres.get(hashtag);
vres.add(vreid); vres.add(context);
hashtagsInVres.remove(hashtag);
hashtagsInVres.put(hashtag, vres); hashtagsInVres.put(hashtag, vres);
}else{ }else{
@ -164,12 +173,11 @@ public class TopicServiceImpl extends RemoteServiceServlet implements TopicServi
// put in the hashmap hashtagsInVres too // put in the hashmap hashtagsInVres too
List<String> vres = new ArrayList<String>(); List<String> vres = new ArrayList<String>();
vres.add(vreid); vres.add(context);
hashtagsInVres.put(hashtag, vres); hashtagsInVres.put(hashtag, vres);
} }
} }
} }
}
// now we need to evaluate score for each element // now we need to evaluate score for each element
Map<String, Double> weights = evaluateWeight(hashtags, WINDOW_SIZE_IN_MONTHS, currentMonth, referenceTime, null, hashtagsInVres); Map<String, Double> weights = evaluateWeight(hashtags, WINDOW_SIZE_IN_MONTHS, currentMonth, referenceTime, null, hashtagsInVres);
@ -181,24 +189,22 @@ public class TopicServiceImpl extends RemoteServiceServlet implements TopicServi
} }
else { else {
//else must be in a VRE scope logger.debug("****** retrieving hashtags for scope " + currentScope);
String scope = session.getScope(); Map<String, Integer> hashtags = store.getVREHashtagsWithOccurrenceFilteredByTime(currentScope, referenceTime.getTimeInMillis());
_log.debug("****** retrieving hashtags for scope " + scope);
Map<String, Integer> hashtags = store.getVREHashtagsWithOccurrenceFilteredByTime(scope, referenceTime.getTimeInMillis());
// now we need to evaluate the weight for each element // now we need to evaluate the weight for each element
Map<String, Double> weights = evaluateWeight(hashtags, WINDOW_SIZE_IN_MONTHS, currentMonth, referenceTime, scope, null); Map<String, Double> weights = evaluateWeight(hashtags, WINDOW_SIZE_IN_MONTHS, currentMonth, referenceTime, currentScope, null);
for (String hashtag : hashtags.keySet()) { for (String hashtag : hashtags.keySet()) {
toSort.add(new HashTagAndOccurrence(hashtag, hashtags.get(hashtag), weights.get(hashtag))); toSort.add(new HashTagAndOccurrence(hashtag, hashtags.get(hashtag), weights.get(hashtag)));
} }
} }
_log.debug("Number of topics retrieved is " + toSort.size()); logger.debug("Number of topics retrieved is " + toSort.size());
Collections.sort(toSort); // sort for weight Collections.sort(toSort); // sort for weight
for (HashTagAndOccurrence wrapper : toSort) { for (HashTagAndOccurrence wrapper : toSort) {
_log.debug("Entry is " + wrapper.toString() + " with weight " + wrapper.getWeight()); logger.debug("Entry is " + wrapper.toString() + " with weight " + wrapper.getWeight());
String hashtag = wrapper.getHashtag(); String hashtag = wrapper.getHashtag();
@ -210,12 +216,12 @@ public class TopicServiceImpl extends RemoteServiceServlet implements TopicServi
} }
} }
catch (Exception e) { catch (Exception e) {
e.printStackTrace(); logger.error("Error while retrieving hashtags ", e);
return null; return null;
} }
long timestampEnd = System.currentTimeMillis() - timestampStart; long timestampEnd = System.currentTimeMillis() - timestampStart;
_log.debug("Overall time to retrieve hastags is " + timestampEnd + "ms"); logger.debug("Overall time to retrieve hastags is " + timestampEnd + "ms");
return new HashtagsWrapper(isInfrastructure, hashtagsChart); return new HashtagsWrapper(isInfrastructure, hashtagsChart);
} }
@ -273,7 +279,7 @@ public class TopicServiceImpl extends RemoteServiceServlet implements TopicServi
}catch(Exception e){ }catch(Exception e){
_log.error("Unable to retrieve the most recent feeds for hashtag " + entry.getKey() + " in " + vreId); logger.error("Unable to retrieve the most recent feeds for hashtag " + entry.getKey() + " in " + vreId);
// put a weight of zero for this hashtag // put a weight of zero for this hashtag
weights.put(entry.getKey(), 0.0); weights.put(entry.getKey(), 0.0);
@ -293,7 +299,7 @@ public class TopicServiceImpl extends RemoteServiceServlet implements TopicServi
try{ try{
feedsForVre = store.getVREFeedsByHashtag(vre, entry.getKey()); feedsForVre = store.getVREFeedsByHashtag(vre, entry.getKey());
}catch(Exception e){ }catch(Exception e){
_log.error("Unable to retrieve the most recent feeds for hashtag " + entry.getKey() + " in " + vreId); logger.error("Unable to retrieve the most recent feeds for hashtag " + entry.getKey() + " in " + vreId);
continue; continue;
} }
@ -319,7 +325,7 @@ public class TopicServiceImpl extends RemoteServiceServlet implements TopicServi
int sub = currentMonth - monstRecentFeedForHashTagTime.get(Calendar.MONTH); int sub = currentMonth - monstRecentFeedForHashTagTime.get(Calendar.MONTH);
int value = sub >= 0? sub : 12 - Math.abs(sub); int value = sub >= 0? sub : 12 - Math.abs(sub);
double freshness = 1.0 - (double)(value) / (double)(windowSize); double freshness = 1.0 - (double)(value) / (double)(windowSize);
_log.debug("freshness is " + freshness + " for hashtag " + entry.getKey() + logger.debug("freshness is " + freshness + " for hashtag " + entry.getKey() +
" because the last feed has month " + monstRecentFeedForHashTagTime.get(Calendar.MONTH)); " because the last feed has month " + monstRecentFeedForHashTagTime.get(Calendar.MONTH));
// update the weight // update the weight
@ -333,7 +339,7 @@ public class TopicServiceImpl extends RemoteServiceServlet implements TopicServi
Map<String, Double> scoredListSorted = sortByWeight(weights); Map<String, Double> scoredListSorted = sortByWeight(weights);
for(Entry<String, Double> entry : scoredListSorted.entrySet()){ for(Entry<String, Double> entry : scoredListSorted.entrySet()){
_log.debug("[hashtag=" + entry.getKey() + " , weight=" + entry.getValue() + "]"); logger.debug("[hashtag=" + entry.getKey() + " , weight=" + entry.getValue() + "]");
} }
return weights; return weights;
@ -378,7 +384,7 @@ public class TopicServiceImpl extends RemoteServiceServlet implements TopicServi
return toReturn; return toReturn;
} }
catch (Exception e) { catch (Exception e) {
_log.error("NullPointerException in isInfrastructureScope returning false"); logger.error("NullPointerException in isInfrastructureScope returning false");
return false; return false;
} }
} }

4
src/main/java/org/gcube/portlets/user/topics/shared/HashTagAndOccurrence.java
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@ -1,5 +1,9 @@
package org.gcube.portlets.user.topics.shared; package org.gcube.portlets.user.topics.shared;
/**
* Bean class for hashtag and its occurrence number
* @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
*/
public class HashTagAndOccurrence implements Comparable<HashTagAndOccurrence>{ public class HashTagAndOccurrence implements Comparable<HashTagAndOccurrence>{
private String hashtag; private String hashtag;
private Integer occurrence; private Integer occurrence;