git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/branches/data-access/obis-spd-plugin/1.8@101888 82a268e6-3cf1-43bd-a215-b396298e98cf

distro/changelog.xml

@@ -1,4 +1,7 @@
 <ReleaseNotes>
+	<Changeset component="org.gcube.data-access.obis-spd-plugin.1-8-1" date="2013-11-28">
+		<Change> Added field SNAutorship and Dataset to occurrence points</Change>
+	</Changeset>
 	<Changeset component="org.gcube.data-access.obis-spd-plugin.1-7-0" date="2013-07-18">
 		<Change> Sync with spd-model-library changes</Change>
 	</Changeset>

pom.xml

@@ -11,7 +11,7 @@
 
 	<groupId>org.gcube.data.spd</groupId>
 	<artifactId>obis-spd-plugin</artifactId>
-	<version>1.8.0-SNAPSHOT</version>
+	<version>1.8.1-SNAPSHOT</version>
 	<name>ObisPlugin</name>
 	<description>obis plugin for species manager service</description>
 

src/main/java/org/gcube/data/spd/obisplugin/ObisClient.java

@@ -52,7 +52,7 @@ public class ObisClient {
 	protected static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("y-M-d");
 	protected static final DateUtil DATE_UTIL = DateUtil.getInstance();
 	protected static final SimpleDateFormat sdf = new SimpleDateFormat();
-	
+
 	public static final Cache<Integer, TaxonomyItem> taxonomyItemCache = new Cache<Integer, TaxonomyItem>(1000); 
 
 	public static int getOccurrencesCount(PluginSession session, int taxonId, int datasetId, SearchFilters filters) throws SQLException
@@ -75,21 +75,44 @@ public class ObisClient {
 
 		PreparedStatement statement = session.getOccurrencesPreparedStatement(productKey.getTaxonId(), productKey.getDataSetId(), productKey.getFilters());
 		ResultSet rs = statement.executeQuery();
-		
+
 		String credits = generateCredits();
 		//String citation = generateCitation();
+
+		DataSet dataset =  getDataSetById(session, productKey.getDataSetId());
 		
 		boolean continueWrite = true;
-		while(rs.next() && continueWrite) {
+		while(rs.next() && continueWrite) {			
-			
+			OccurrencePoint occurrence = generateOccurrencePoint(rs, credits, dataset);
-			OccurrencePoint occurrence = generateOccurrencePoint(rs, credits);
 			continueWrite = writer.write(occurrence);
+
 		};
 
 		rs.close();
 	}
+
+	private static DataSet getDataSetById(PluginSession session, int datasetId){
+		logger.debug("retrieving dataset for id "+datasetId);
+		DataSet dataset = null;
+		ResultSet datasetRs = null;
+		try{
+			PreparedStatement datasetStatement = session.getDatasetPerDatasetIdPreparedStatement(datasetId);
+			datasetRs = datasetStatement.executeQuery();
+			if (!datasetRs.next()) return null;
+			dataset = retrieveDatasetInformation(datasetRs);
+		}catch(Exception e){
+			logger.warn("cannot retrieve dataset for occurrence point with id "+datasetId,e);
+		}finally{
+			try{
+				if (datasetRs!=null)
+					datasetRs.close();
+			}catch(Exception e) {}
+		}
+		logger.debug("dataset returned  "+dataset);
+		return dataset;
+	}
 	
-	protected static OccurrencePoint generateOccurrencePoint(ResultSet rs, String credits) throws SQLException
+	protected static OccurrencePoint generateOccurrencePoint(ResultSet rs, String credits, DataSet dataSet) throws SQLException
 	{
 		int id = rs.getInt("id");
 		OccurrencePoint occurrence = new OccurrencePoint(String.valueOf(id));
@@ -106,12 +129,12 @@ public class ObisClient {
 		} else {
 			//dxs.yearcollected, dxs.monthcollected, dxs.daycollected
 			try {
-			Calendar dateCollected = Calendar.getInstance();
+				Calendar dateCollected = Calendar.getInstance();
-			int year = Integer.parseInt(rs.getString("yearcollected"));
+				int year = Integer.parseInt(rs.getString("yearcollected"));
-			int month = Integer.parseInt(rs.getString("monthcollected"));
+				int month = Integer.parseInt(rs.getString("monthcollected"));
-			int date = Integer.parseInt(rs.getString("daycollected"));
+				int date = Integer.parseInt(rs.getString("daycollected"));
-			dateCollected.set(year, month, date);
+				dateCollected.set(year, month, date);
-			occurrence.setEventDate(dateCollected);
+				occurrence.setEventDate(dateCollected);
 			} catch(NumberFormatException nfe){}
 		}
 
@@ -152,14 +175,14 @@ public class ObisClient {
 
 		/*
 		 * Kingdom:	Animalia
-Phylum:	Chordata
+			Phylum:	Chordata
-Class:	Chondrichthyes
+			Class:	Chondrichthyes
-Subclass:	Elasmobranchii
+			Subclass:	Elasmobranchii
-Order:	Lamniformes
+			Order:	Lamniformes
-Family:	Lamnidae
+			Family:	Lamnidae
-Genus:	Carcharodon
+			Genus:	Carcharodon
-A. Smith, 1838
+			A. Smith, 1838
-Species:	C. carcharias
+			Species:	C. carcharias
 		 */
 
 		String concatenated = rs.getString("concatenated");
@@ -171,7 +194,7 @@ Species:	C. carcharias
 				if (scientificNameStartIndex>0) {
 					String author = (authorStartIndex+1<concatenated.length())?concatenated.substring(authorStartIndex+1):"";
 					String sn = (scientificNameStartIndex+1<snPart.length())?snPart.substring(scientificNameStartIndex+1):"";
-					occurrence.setScientificName(sn+" ("+author+")");
+					occurrence.setScientificName(sn/*+" ("+author+")"*/);
 				}
 			}
 			/*String[] taxon = concatenated.split("|");
@@ -182,12 +205,17 @@ Species:	C. carcharias
 				occurrence.setScientificName(scientific);
 			}*/
 		}
+
+		occurrence.setScientificNameAuthorship(rs.getString("snAuthor"));
 		
-		occurrence.setScientificNameAuthorship(rs.getString("identifiedBy"));
+		occurrence.setIdentifiedBy(rs.getString("identifiedBy"));
 		
+		occurrence.setDataSet(dataSet);
+		
+		//retrieving dataset
 		return occurrence;
 	}
-	
+
 	public static OccurrencePoint getOccurrenceById(PluginSession session, String id) throws Exception
 	{
 		PreparedStatement statement = session.getOccurrenceByIdPreparedStatement(Integer.parseInt(id));
@@ -195,9 +223,12 @@ Species:	C. carcharias
 
 		OccurrencePoint occurrence = null;
 		String credits = generateCredits();
-		if(rs.next()) occurrence = generateOccurrencePoint(rs, credits);
+		if(rs.next()){
+			int objId = rs.getInt("valid_id");
+			occurrence = generateOccurrencePoint(rs, credits, getDataSetById(session, objId));
+		}
 		rs.close();
-		
+
 		return occurrence;
 	}
 
@@ -237,10 +268,13 @@ Species:	C. carcharias
 
 		//OCCURRENCES
 		Product occurences = new Product(ProductType.Occurrence, key);
+						
 		int occurencesCount = getOccurrencesCount(session, speciesId, datasetId, filters);
 		occurences.setCount(occurencesCount);
 		products.add(occurences);
 
+		logger.trace("product is "+occurences);
+		
 		item.setProducts(products);
 	}
 
@@ -266,22 +300,29 @@ Species:	C. carcharias
 			//System.out.println("id "+id);
 
 			ResultItem baseItem = new ResultItem(String.valueOf(id), "");
-	
+
 			fillTaxon(session, id, baseItem, credits, citation);
 
 			fillCommonNames(session, id, baseItem);
-
+			
+			
 			PreparedStatement datasetStatement = session.getDatasetPreparedStatement(id);
 			ResultSet dataSetrs = datasetStatement.executeQuery();
-			
+
 			while(dataSetrs.next()) {
 
 				ResultItem item = Util.cloneResultItem(baseItem);
 
-				int dataSetId = fillDatasetInformation(dataSetrs, item);
+				DataSet dataset = retrieveDatasetInformation(dataSetrs);
+
+				item.setDataSet(dataset);
+				
+				int dataSetId = Integer.parseInt(dataset.getId());
 				
 				ProductKey key = new ProductKey(id, dataSetId, filters);
-	
+				
+				logger.trace("datasetid is "+dataSetId+" and product key created is "+key);
+				
 				fillProducts(session, id, dataSetId, key.serialize(), filters, item);
 
 				continueWrite = writer.write(item);
@@ -299,7 +340,7 @@ Species:	C. carcharias
 	 */
 	protected static void fillTaxon(PluginSession session, int id, Taxon taxon, String credits, String citation) throws SQLException
 	{
-		
+
 		PreparedStatement statement = session.getTaxonPreparedStatement(id);
 
 		ResultSet rs = statement.executeQuery();
@@ -314,7 +355,7 @@ Species:	C. carcharias
 
 			String rank = rs.getString("rank_name");
 			taxon.setRank((rank!=null)?rank:"");
-	
+
 			int parentId = rs.getInt("parent_id");
 			rs.close();
 
@@ -339,28 +380,28 @@ Species:	C. carcharias
 
 			//taxon informations
 			item.setScientificName(rs.getString("tname"));
-			
+
 			String author = Util.stripNotValidXMLCharacters(rs.getString("tauthor"));
 			item.setScientificNameAuthorship(author);
-			
+
 			//properties
 			item.addProperty(new ElementProperty("worms_id", rs.getString("worms_id")));
 			item.addProperty(new ElementProperty("col_id", rs.getString("col_id")));
 			item.addProperty(new ElementProperty("irmng_id", rs.getString("irmng_id")));
 			item.addProperty(new ElementProperty("itis_id", rs.getString("itis_id")));
-			
+
 			item.setCredits(credits);
 			item.setCitation(citation);
-			
+
 			String rank = rs.getString("rank_name");
 			item.setRank((rank!=null)?rank:"");
-			
+
 			item.setStatus(new TaxonomyStatus("", Status.ACCEPTED));
 
 			boolean parentNull = rs.getObject("parent_id")==null;
 			int parentId = rs.getInt("parent_id");
 			rs.close();
-			
+
 			//fill common names
 			fillCommonNames(session, id, item);
 
@@ -377,7 +418,7 @@ Species:	C. carcharias
 			}
 		} else throw new IdNotValidException("Taxon with id "+id+" not found");
 	}
-	
+
 	protected static void fillCommonNames(PluginSession session, int taxonNameId, TaxonomyItem item) throws SQLException
 	{
 		PreparedStatement statement = session.getTaxonCommonNamePreparedStatement(taxonNameId);
@@ -387,9 +428,9 @@ Species:	C. carcharias
 		while(rs.next()) commonNames.add(new CommonName(rs.getString("lanname"), rs.getString("cname")));
 		rs.close();
 		item.setCommonNames(commonNames);
-		
+
 	}
-	
+
 	protected static void fillCommonNames(PluginSession session, int taxonNameId, ResultItem item) throws SQLException
 	{
 		PreparedStatement statement = session.getTaxonCommonNamePreparedStatement(taxonNameId);
@@ -400,8 +441,7 @@ Species:	C. carcharias
 		item.setCommonNames(commonNames);
 	}
 
-	protected static int fillDatasetInformation(ResultSet rs, ResultItem item) throws SQLException
+	private static DataSet retrieveDatasetInformation(ResultSet rs) throws SQLException{
-	{
 		int dataSetId = rs.getInt("datasetId");
 		DataSet dataSet = new DataSet(String.valueOf(dataSetId));
 		dataSet.setCitation(rs.getString("datasetCitation"));
@@ -410,10 +450,7 @@ Species:	C. carcharias
 		DataProvider dataProvider = new DataProvider(String.valueOf(rs.getInt("providerId")));
 		dataProvider.setName(rs.getString("providerName"));
 		dataSet.setDataProvider(dataProvider);
-
+		return dataSet;
-		item.setDataSet(dataSet);
-
-		return dataSetId;
 	}
 
 	public static Set<String> getCommonNames(PluginSession session, String scientificName) throws SQLException
@@ -451,7 +488,7 @@ Species:	C. carcharias
 		ResultSet rs = statement.executeQuery();
 		generateTaxonomyItems(session, rs, writer);
 	}
-	
+
 	protected static void generateTaxonomyItems(PluginSession session, ResultSet rs, Writer<TaxonomyItem> writer) throws SQLException, Exception
 	{
 		boolean continueWrite = true;
@@ -460,7 +497,7 @@ Species:	C. carcharias
 		while(rs.next() && continueWrite) {
 
 			Integer id = rs.getInt("id");
-			
+
 			TaxonomyItem taxon = taxonomyItemCache.get(id);
 			if (taxon == null) {
 				taxon = new TaxonomyItem(String.valueOf(id));
@@ -472,7 +509,7 @@ Species:	C. carcharias
 			//fillTaxonomyItem(session, id, taxon);
 			continueWrite = writer.write(taxon);
 		} 
-		
+
 		rs.close();
 	}
 
@@ -486,18 +523,18 @@ Species:	C. carcharias
 		while (rs.next()) {
 			//taxon informations
 			int taxonId = rs.getInt("id");
-			
+
 			//FIXME tmp workaround
 			if (taxonId == id) continue;
-			
+
 			TaxonomyItem child = new TaxonomyItem(String.valueOf(taxonId));
 			child.setScientificName(rs.getString("tname"));
 			child.setCitation(rs.getString("tauthor"));
 			String rank = rs.getString("rank_name");
 			child.setRank((rank!=null)?rank:"");
-			
+
 			child.setStatus(new TaxonomyStatus("",Status.ACCEPTED));
-			
+
 			fillCommonNames(session, id, child);
 
 			children.add(child);
@@ -505,7 +542,7 @@ Species:	C. carcharias
 		rs.close();
 		return children;
 	}
-	
+
 	protected static TaxonomyItem getTaxonById(PluginSession session, int id) throws Exception
 	{
 		TaxonomyItem item = new TaxonomyItem(String.valueOf(id));
@@ -514,7 +551,7 @@ Species:	C. carcharias
 		fillTaxonomyItem(session, id, item, credits, citation);
 		return item;
 	}
-	
+
 	protected static String generateCitation()
 	{
 		StringBuilder citation = new StringBuilder("Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System. Web. http://www.iobis.org. (Consulted on ");
@@ -522,7 +559,7 @@ Species:	C. carcharias
 		citation.append(")");
 		return citation.toString();
 	}
-	
+
 	protected static String generateCredits()
 	{
 		//credits ="This information object has been generated via the Species Product Discovery service on 2012-11-26 by interfacing with the Interim Register of Marine and Nonmarine Genera (IRMNG) (http://www.obis.org.au/irmng/)";
@@ -548,32 +585,32 @@ Species:	C. carcharias
 
 		final Connection connection = DriverManager.getConnection(url, props);
 
-//		System.out.println("Connected");
+		//		System.out.println("Connected");
 
 		final PluginSession session = new PluginSession(connection);
 		session.preCacheStatements();
-		
+
 		searchByScientificName(session, "gadus morhua", new SearchFilters(), new Writer<ResultItem>() {
-			
+
 			@Override
 			public boolean write(ResultItem item) {
-//				System.out.println(item.getId()+" "+item.getScientificNameAuthorship()+" "+item.getScientificName());
+				//				System.out.println(item.getId()+" "+item.getScientificNameAuthorship()+" "+item.getScientificName());
 				return true;
 			}
 		});
-		
+
-		
+
-		
+
-		
+
 		/*getTaxonByScientificNames(session, "sarda sarda", new Writer<TaxonomyItem>() {
-			
+
 			@Override
 			public boolean write(TaxonomyItem item) {
 				System.out.println(item.getId()+" "+item.getAuthor()+" "+item.getScientificName());
 				return true;
 			}
 		});*/
-		
+
 		/*OccurrencePoint occurrencePoint = getOccurrenceById(session, "38069270");
 		System.out.println(occurrencePoint);*/
 
@@ -583,9 +620,9 @@ Species:	C. carcharias
 
 		List<Taxon> children = getChildrenTaxon(session, Integer.parseInt(taxon.getId()));
 		for (Taxon child:children) System.out.println(child);*/
-		
+
 		/*searchByCommonName(session, "white shark", new SearchFilters(), new Writer<ResultItem>() {
-			
+
 			@Override
 			public void write(ResultItem item) {
 				System.out.println("Item: "+item.getDataSet().getDataProvider().getName()+" <-> "+item.getDataSet().getName());
@@ -599,12 +636,12 @@ Species:	C. carcharias
 			@Override
 			public void write(TaxonomyItem item) {
 
-				
+
 				System.out.println(item);
 
 			}
 		});*/
-		
+
 		/*SearchFilters filters = new SearchFilters();
 		ObisClient.searchByScientificName(session, "sarda sarda", filters, new Writer<ResultItem>() {
 
@@ -613,20 +650,20 @@ Species:	C. carcharias
 				System.out.println(item);
 			}
 		});*/
-		
+
 		/*List<TaxonomyItem> taxa = getChildrenTaxon(session,769809);
 		for (TaxonomyItem taxon:taxa) System.out.println(taxon.getId());*/
 		//navigate("", session, 741923);
 
 		//System.out.println("result in "+(System.currentTimeMillis()-start)+" avg: "+(sum/counter)+" tot: "+counter);
 
-//		System.out.println("done");
+		//		System.out.println("done");
 		session.expire();
 	}
-	
+
 	protected static Set<Integer> found = new HashSet<Integer>();
 	protected static Map<String,TaxonomyItem> foundTaxon = new HashMap<String,TaxonomyItem>();
-	
+
 	protected static void navigate(String indentation, PluginSession session, int id) throws SQLException
 	{
 		//System.out.println("looking for children: "+id);
@@ -635,17 +672,17 @@ Species:	C. carcharias
 			System.err.println(foundTaxon.get(id));
 			System.exit(-1);
 		}
-		
+
 		List<TaxonomyItem> taxa = getChildrenTaxon(session,id);
-		
+
 		found.add(id);
 
-		
+
 		for (TaxonomyItem taxon:taxa) {
 			System.out.println(indentation+taxon.getId()+" "+taxon.getRank());
 			foundTaxon.put(taxon.getId(), taxon);
 			navigate(indentation+"  ", session, Integer.valueOf(taxon.getId()));
-			
+
 		}
 	}
 

src/main/java/org/gcube/data/spd/obisplugin/PluginSession.java

@@ -37,6 +37,7 @@ public class PluginSession {
 	protected PreparedStatement commonNamePreparedStatement;
 	protected PreparedStatement childrenTaxonPreparedStatement;
 	protected PreparedStatement occurrenceByIdPreparedStatement;
+	protected PreparedStatement datasetPerIdPreparedStatement;
 
 	/**
 	 * @param connection
@@ -100,6 +101,7 @@ public class PluginSession {
 		createCommonNamePreparedStatement();
 		createChildrenTaxonPreparedStatement();
 		createOccurrenceByIdPreparedStatement();
+		createDatasetPerDatasetIdPreparedStatement();
 	}
 
 
@@ -140,19 +142,15 @@ public class PluginSession {
 		datasetPreparedStatement.setInt(1, id);
 		return datasetPreparedStatement;
 	}
-
+	
-	protected void createDatasetPreparedStatement() throws SQLException
+	public PreparedStatement getDatasetPerDatasetIdPreparedStatement(int dataSetId) throws SQLException
 	{
-		/*String query = "SELECT r.id as datasetId, r.resname as datasetName, r.citation as datasetCitation, p.id as providerId, p.providername as providerName " +
+		if (datasetPerIdPreparedStatement==null) createDatasetPerDatasetIdPreparedStatement();
-		"FROM obis.resources r, obis.providers p WHERE " +
+		datasetPerIdPreparedStatement.clearParameters();
-		"exists (SELECT r.id FROM obis.drs d WHERE d.valid_id = ? AND d.resource_id = r.id) AND r.provider_id = p.id";*/
+		datasetPerIdPreparedStatement.setInt(1, dataSetId);
-
+		return datasetPerIdPreparedStatement;
-		String query = "SELECT r.id as datasetId, r.resname as datasetName, r.citation as datasetCitation, p.id as providerId, p.providername as providerName " +
-				"FROM obis.resources r, obis.providers p WHERE " +
-				"r.id in (SELECT resource_id from portal.species_per_resource where valid_id = ?) AND r.provider_id = p.id";
-		datasetPreparedStatement = connection.prepareStatement(query);
 	}
-
+	
 	public PreparedStatement getCommonNameFromScientificNamePreparedStatement(String scientificaName) throws SQLException
 	{
 		if (commonNameFromScientificNamePreparedStatement==null) createCommonNameFromScientificNamePreparedStatement();
@@ -314,7 +312,7 @@ public class PluginSession {
 	protected PreparedStatement getOccurrencesPreparedStatement(int taxonId, int datasetId, SearchFilters filters) throws SQLException
 	{
 		//We don't cache it because in this case a PS is less performant
-		StringBuilder query = new StringBuilder("SELECT drs.id, drs.latitude, drs.longitude, drs.datecollected, drs.basisofrecord, dxs.citation, dxs.institutioncode, dxs.collectioncode, dxs.catalognumber, dxs.collector, dxs.datelastmodified, dxs.country, dxs.locality, dxs.minimumdepth, dxs.maximumdepth, dxs.coordinateprecision, dxs.concatenated, dxs.identifiedBy, dxs.yearcollected, dxs.monthcollected, dxs.daycollected FROM obis.drs drs, obis.dxs dxs WHERE drs.valid_id = ? AND drs.resource_id = ? AND drs.id = dxs.dr_id");
+		StringBuilder query = new StringBuilder("SELECT drs.id, drs.valid_id, drs.latitude, drs.longitude, drs.datecollected, drs.basisofrecord, dxs.citation, dxs.institutioncode, dxs.collectioncode, dxs.catalognumber, dxs.collector, dxs.datelastmodified, dxs.country, dxs.locality, dxs.minimumdepth, dxs.maximumdepth, dxs.coordinateprecision, dxs.concatenated, dxs.identifiedBy, dxs.yearcollected, dxs.monthcollected, dxs.daycollected, tn.tauthor as snAuthor FROM obis.drs drs, obis.dxs dxs, obis.tnames tn WHERE drs.valid_id = ? AND drs.resource_id = ? AND drs.id = dxs.dr_id AND tn.id = drs.valid_id ");
 
 		buildConditions(query, "drs.", filters.getConditions());
 		
@@ -400,9 +398,32 @@ public class PluginSession {
 
 	protected void createOccurrenceByIdPreparedStatement() throws SQLException
 	{
-		String query = "SELECT drs.id, drs.latitude, drs.longitude, drs.datecollected, drs.basisofrecord, dxs.citation, dxs.institutioncode, dxs.collectioncode, dxs.catalognumber, dxs.collector, dxs.datelastmodified, dxs.country, dxs.locality, dxs.minimumdepth, dxs.maximumdepth, dxs.coordinateprecision, dxs.concatenated, dxs.yearcollected, dxs.monthcollected, dxs.daycollected FROM obis.drs drs, obis.dxs dxs WHERE drs.id = ? AND drs.id = dxs.dr_id";
+		String query = "SELECT drs.id, drs.latitude, drs.longitude, drs.datecollected, drs.basisofrecord, dxs.citation, dxs.institutioncode, dxs.collectioncode, dxs.catalognumber, dxs.collector, dxs.datelastmodified, dxs.country, dxs.locality, dxs.minimumdepth, dxs.maximumdepth, dxs.coordinateprecision, dxs.concatenated, dxs.yearcollected, dxs.monthcollected, dxs.daycollected, tn.tauthor as snAuthor FROM obis.drs drs, obis.dxs dxs, obis.tnames as tn WHERE drs.id = ? AND drs.id = dxs.dr_id AND drs.valid_id = tn.id";
 		occurrenceByIdPreparedStatement = connection.prepareStatement(query);
 	}
 
+	protected void createDatasetPreparedStatement() throws SQLException
+	{
+		/*String query = "SELECT r.id as datasetId, r.resname as datasetName, r.citation as datasetCitation, p.id as providerId, p.providername as providerName " +
+		"FROM obis.resources r, obis.providers p WHERE " +
+		"exists (SELECT r.id FROM obis.drs d WHERE d.valid_id = ? AND d.resource_id = r.id) AND r.provider_id = p.id";*/
+
+		String query = "SELECT r.id as datasetId, r.resname as datasetName, r.citation as datasetCitation, p.id as providerId, p.providername as providerName " +
+				"FROM obis.resources r, obis.providers p WHERE " +
+				"r.id in (SELECT resource_id from portal.species_per_resource where valid_id = ?) AND r.provider_id = p.id";
+		datasetPreparedStatement = connection.prepareStatement(query);
+	}
+
+	protected void createDatasetPerDatasetIdPreparedStatement() throws SQLException
+	{
+		/*String query = "SELECT r.id as datasetId, r.resname as datasetName, r.citation as datasetCitation, p.id as providerId, p.providername as providerName " +
+		"FROM obis.resources r, obis.providers p WHERE " +
+		"exists (SELECT r.id FROM obis.drs d WHERE d.valid_id = ? AND d.resource_id = r.id) AND r.provider_id = p.id";*/
+
+		String query = "SELECT r.id as datasetId, r.resname as datasetName, r.citation as datasetCitation, p.id as providerId, p.providername as providerName " +
+				"FROM obis.resources r, obis.providers p WHERE " +
+				"r.id  = ? AND r.provider_id = p.id";
+		datasetPerIdPreparedStatement = connection.prepareStatement(query);
+	}
 
 }

src/main/java/org/gcube/data/spd/obisplugin/data/ProductKey.java

@@ -28,7 +28,9 @@ public class ProductKey {
 		this.dataSetId = dataSetId;
 		this.filters = filters;
 	}
-
+		
+	protected ProductKey() {}
+	
 	/**
 	 * @return the taxonId
 	 */

src/main/java/org/gcube/data/spd/obisplugin/data/SearchFilters.java

@@ -17,6 +17,8 @@ public class SearchFilters {
 
 	protected List<Condition> conditions;
 	
+	protected SearchFilters(){}
+	
 	public SearchFilters(Condition ... conditions){
 		this.conditions = new ArrayList<Condition>(Arrays.asList(conditions));
 	}