@Override
public Cluster retrieve(long clusterId) {
System.err.println("!!! UPDATE ClusterDAO.retrieve() !!!");
Cluster cluster = null;
try {
saveClusterStm.setLong(1, clusterId);
ResultSet res = saveClusterStm.executeQuery();
if (res.next()) {
Map<String, String> meta =
objMapper.readValue(res.getString("meta"), new TypeReference<Map<String, String>>() {});
// Map<String, String> terms_meta = new
// ObjectMapper().readValue(res.getString("terms_meta"), new
// TypeReference<Map<String,String>>() { });
// Map<String, String> posts_meta = new
// ObjectMapper().readValue(res.getString("posts_meta"), new
// TypeReference<Map<String,String>>() { });
Query originatingQuery =
DAOFactory.getFactory().getQueryDAO().retrieve(res.getLong("id_query"));
if (meta.get("type").equalsIgnoreCase("geo")) {
cluster = new GeoCluster(originatingQuery, null);
// TODO: set the proper parent!
System.err.println("!!! FIX THE BUG IN LocalDBClusterDAO.retrieve() !!!");
} else if (meta.get("type").equalsIgnoreCase("semantic")) {
cluster = new TopicCluster(originatingQuery, null, 0, null);
System.err.println("!!! FIX THE BUG IN LocalDBClusterDAO.retrieve() !!!");
} else if (meta.get("type").equalsIgnoreCase("time")) {
cluster = new TimeCluster(originatingQuery);
}
statementPosts.setLong(1, clusterId);
ResultSet resPosts = statementPosts.executeQuery();
while (resPosts.next()) {
Post post = DAOFactory.getFactory().getPostDAO().retrieve(resPosts.getLong("id_post"));
cluster.addPost(post);
}
statementTerms.setLong(1, clusterId);
ResultSet resTerms = statementTerms.executeQuery();
while (resTerms.next()) {
Term term = DAOFactory.getFactory().getTermDAO().retrieve(resTerms.getLong("id_term"));
cluster.addTerm(term);
}
}
} catch (SQLException e) {
e.printStackTrace();
} catch (JsonParseException e) {
e.printStackTrace();
} catch (JsonMappingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return cluster;
}
@Override
public long create(Cluster cluster) {
if (cluster.getId() != 0) {
return cluster.getId();
}
long clusterId = 0;
try {
// stm = conn.prepareStatement("INSERT INTO
// fom_cluster(meta,terms_meta,posts_meta,id_query,id_parent,type) VALUES(?,?,?,?,?,?)",
// Statement.RETURN_GENERATED_KEYS);
StringWriter strWriter = new StringWriter();
objMapper.writeValue(strWriter, cluster.getMeta());
stm.setString(1, strWriter.toString());
String terms_meta = new String("");
for (int i = 0; i < cluster.getTerms().size(); i++) {
if (i != cluster.getTerms().size() - 1) {
terms_meta = terms_meta.concat(cluster.getTerms().get(i).getNameScore() + ", ");
} else {
terms_meta = terms_meta.concat(cluster.getTerms().get(i).getNameScore());
}
}
stm.setString(2, "{" + terms_meta + "}");
String posts_meta = new String("");
for (int i = 0; i < cluster.getPosts().size(); i++) {
posts_meta =
posts_meta.concat(
Long.toString(
DAOFactory.getFactory().getPostDAO().create(cluster.getPosts().get(i)))
+ " ");
}
stm.setString(3, posts_meta.trim());
stm.setLong(4, cluster.getOriginatingQuery().getId());
if (cluster.getTypeId() != 1) {
stm.setLong(5, DAOFactory.getFactory().getClusterDAO().create(cluster.getParentCluster()));
} else {
stm.setLong(5, 0);
}
stm.setInt(6, cluster.getTypeId());
if (cluster.getTypeId() == 2) {
stm.setDouble(7, cluster.getMeanLat());
stm.setDouble(8, cluster.getMeanLon());
} else {
stm.setDouble(7, 0);
stm.setDouble(8, 0);
}
stm.executeUpdate();
ResultSet generatedKeys = stm.getGeneratedKeys();
if (generatedKeys.next()) {
clusterId = generatedKeys.getLong(1);
cluster.setId(clusterId);
// saveTerms(cluster);
// savePosts(cluster);
} else {
System.err.println("Error creating cluster");
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (JsonGenerationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (JsonMappingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return clusterId;
}