/**
* Create a cluster for publications, based on language and year
*
* @param author
* @param publicationClustersMap
*/
public void constructPublicationClusterByLanguageAndYear(
Author author, Map<String, PublicationClusterHelper> publicationClustersMap) {
// fill publication clusters
// prepare calendar for publication year
Calendar calendar = Calendar.getInstance();
// get all publications from specific author and put it into cluster
for (Publication publication : author.getPublications()) {
// only proceed publication that have date, language and abstract
if (publication.getAbstractText() == null || publication.getAbstractText().equals(""))
continue;
if (publication.getPublicationDate() == null) continue;
if (publication.getLanguage() == null) continue;
// get publication year
calendar.setTime(publication.getPublicationDate());
// construct clusterMap key
String clusterMapKey = publication.getLanguage() + calendar.get(Calendar.YEAR);
// construct publication map
if (publicationClustersMap.get(clusterMapKey) == null) {
// not exist create new cluster
PublicationClusterHelper publicationCluster = new PublicationClusterHelper();
publicationCluster.setLangauge(publication.getLanguage());
publicationCluster.setYear(calendar.get(Calendar.YEAR));
publicationCluster.addPublicationAndUpdate(publication);
// add into map
publicationClustersMap.put(clusterMapKey, publicationCluster);
} else {
// exist on map, get the cluster
PublicationClusterHelper publicationCluster = publicationClustersMap.get(clusterMapKey);
publicationCluster.addPublicationAndUpdate(publication);
}
}
}
