ref 11741: DataMiner - Add refresh button in operators panel

https://support.d4science.org/issues/11741

Operators refresh support is added


git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/data-analysis/data-miner-manager-cl@167359 82a268e6-3cf1-43bd-a215-b396298e98cf

distro/changelog.xml

@@ -2,6 +2,7 @@
 	<Changeset component="org.gcube.data.analysis.data-miner-manager-cl.1-4-0"
 		date="2018-04-03">
 		<Change>Updated to support netcdf files</Change>
+		<Change>Added support for operators refresh[ticket #11741]</Change>	
 	</Changeset>
 	<Changeset component="org.gcube.data.analysis.data-miner-manager-cl.1-3-0"
 		date="2017-06-12">

src/main/java/org/gcube/data/analysis/dataminermanagercl/server/dmservice/SClient.java

@@ -37,6 +37,17 @@ public abstract class SClient implements Serializable {
 	 */
 	public abstract List<OperatorsClassification> getOperatorsClassifications() throws Exception;
 
+	/**
+	 * Retrieve the list of operators and refresh them if required
+	 * 
+	 * @param refresh
+	 *            refresh operators in cache
+	 * @return list of operators classification
+	 * @throws Exception
+	 *             exception
+	 */
+	public abstract List<OperatorsClassification> getOperatorsClassifications(boolean refresh) throws Exception;
+
 	/**
 	 * Retrieve the operator by id
 	 * 

src/main/java/org/gcube/data/analysis/dataminermanagercl/server/dmservice/SClient4WPS.java

@@ -57,6 +57,7 @@ import org.gcube.data.analysis.dataminermanagercl.shared.parameters.FileParamete
 import org.gcube.data.analysis.dataminermanagercl.shared.parameters.ObjectParameter;
 import org.gcube.data.analysis.dataminermanagercl.shared.parameters.Parameter;
 import org.gcube.data.analysis.dataminermanagercl.shared.parameters.TabularListParameter;
+import org.gcube.data.analysis.dataminermanagercl.shared.perspective.PerspectiveType;
 import org.gcube.data.analysis.dataminermanagercl.shared.process.ComputationStatus;
 import org.gcube.data.analysis.dataminermanagercl.shared.process.ComputationStatus.Status;
 import org.gcube.data.analysis.dataminermanagercl.shared.process.Operator;
@@ -269,11 +270,16 @@ public class SClient4WPS extends SClient {
 
 	@Override
 	public List<OperatorsClassification> getOperatorsClassifications() throws ServiceException {
+		return getOperatorsClassifications(false);
+	}
 	
+	@Override
+	public List<OperatorsClassification> getOperatorsClassifications(boolean refresh) throws ServiceException{
+		logger.debug("getOperatorsClassifications: "+refresh);
 		LinkedHashMap<String, String> operatorsToCategoriesMap = new LinkedHashMap<>();
 		LinkedHashMap<String, List<Operator>> categoriesToOperatorsMap = new LinkedHashMap<>();
 
-		requestCapability();
+		requestCapability(refresh);
 		if (processesBriefs == null || processesDescriptionType == null) {
 			throw new ServiceException("Algorithms WPS not available!");
 		}
@@ -348,15 +354,16 @@ public class SClient4WPS extends SClient {
 
 		List<OperatorsClassification> operatorsClass = new ArrayList<>();
 
-		OperatorsClassification op = new OperatorsClassification(Constants.UserClassificationName, categories,
+		OperatorsClassification op = new OperatorsClassification(PerspectiveType.User.getPerspective(), categories,
 				operators);
 
 		operatorsClass.add(op);
 
-		// logger.debug("OperatorClass: " + operatorsClass);
+		logger.debug("OperatorClass: " + operatorsClass);
 		return operatorsClass;
 	}
 	
+
 	private ProcessInformations describeProcess(String processId) throws ServiceException {
 		return describeProcess(processId, null);
 	}
@@ -418,7 +425,7 @@ public class SClient4WPS extends SClient {
 		}
 	}
 
-	private void requestCapability() throws ServiceException {
+	private void requestCapability(boolean refresh) throws ServiceException {
 		SClient4WPSSession wpsClient = null;
 		processesDescriptionType = null;
 		processesBriefs = null;
@@ -426,7 +433,7 @@ public class SClient4WPS extends SClient {
 		try {
 			wpsClient = createWPSClientSession();
 
-			wpsClient.connect(wpsProcessingServlet);
+			wpsClient.connect(wpsProcessingServlet,refresh);
 
 			processesDescriptionType = wpsClient.getAllProcessDescriptions(wpsProcessingServlet);
 

src/main/java/org/gcube/data/analysis/dataminermanagercl/server/dmservice/wps/SClient4WPSSession.java

@@ -66,8 +66,10 @@ public class SClient4WPSSession implements Serializable {
 	/**
 	 * Initializes a WPS client session.
 	 * 
-	 * @param user user
+	 * @param user
-	 * @param password password
+	 *            user
+	 * @param password
+	 *            password
 	 */
 	public SClient4WPSSession(String user, String password) {
 		super();
@@ -94,13 +96,21 @@ public class SClient4WPSSession implements Serializable {
 	 */
 
 	public boolean connect(String url) throws WPSClientException {
-		logger.info("CONNECT: " + url);
+		return connect(url, false);
-		logger.debug("LoggedSevices: " + loggedServices.keySet());
-		if (loggedServices.containsKey(url)) {
-			logger.debug("Service already registered: " + url);
-			return false;
 	}
-		logger.debug("Service not registered");
+
+	public boolean connect(String url, boolean refresh) throws WPSClientException {
+		logger.info("CONNECT: " + url);
+		logger.info("Service refresh: " + refresh);
+		if (refresh) {
+			logger.debug("LoggedServices: " + loggedServices.keySet());
+			if (loggedServices.containsKey(url)) {
+				loggedServices.remove(url);	
+			}
+			if(processDescriptions.containsKey(url)){
+				processDescriptions.remove(url);
+			}
+			
 			CapabilitiesDocument capsDoc = retrieveCapsViaGET(url);
 			if (capsDoc != null) {
 				logger.debug("Adding caps to logged services " + url);
@@ -120,9 +130,41 @@ public class SClient4WPSSession implements Serializable {
 			} else {
 				logger.error("ProcessDescs  is null!");
 			}
-
 			logger.warn("retrieving caps failed, caps are null");
 			return false;
+		} else {
+			logger.debug("LoggedServices: " + loggedServices.keySet());
+			boolean registered = loggedServices.containsKey(url);
+			if (registered) {
+				logger.debug("Service already registered: " + url);
+				return false;
+			} else {
+				logger.debug("Service not registered");
+			}
+			
+			CapabilitiesDocument capsDoc = retrieveCapsViaGET(url);
+			if (capsDoc != null) {
+				logger.debug("Adding caps to logged services " + url);
+				loggedServices.put(url, capsDoc);
+				logger.debug("Logged Services key: " + loggedServices.keySet());
+			} else {
+				logger.error("CapsDoc is null!");
+			}
+
+			ProcessDescriptionsDocument processDescs = describeAllProcesses(url);
+			if (processDescs != null && capsDoc != null) {
+				logger.debug("Adding processes descriptions to logged services " + url);
+				processDescriptions.put(url, processDescs);
+				logger.debug("ProcessDescriptions key: " + processDescriptions.keySet());
+				return true;
+
+			} else {
+				logger.error("ProcessDescs  is null!");
+			}
+			logger.warn("retrieving caps failed, caps are null");
+			return false;
+		}
+
 	}
 
 	/**
@@ -196,7 +238,8 @@ public class SClient4WPSSession implements Serializable {
 	 * @throws IOException
 	 *             IOException
 	 */
-	private ProcessDescriptionsDocument getProcessDescriptionsFromCache(String wpsUrl) throws IOException {
+	private ProcessDescriptionsDocument getProcessDescriptionsFromCache(String wpsUrl)
+			throws IOException {
 		if (!descriptionsAvailableInCache(wpsUrl)) {
 			try {
 				connect(wpsUrl);
@@ -329,7 +372,8 @@ public class SClient4WPSSession implements Serializable {
 	 *            true if is raw data
 	 * @return either an ExecuteResponseDocument or an InputStream if asked for
 	 *         RawData or an Exception Report
-	 * @throws WPSClientException WPSClientException
+	 * @throws WPSClientException
+	 *             WPSClientException
 	 */
 	private Object execute(String serverID, ExecuteDocument execute, boolean rawData) throws WPSClientException {
 		CapabilitiesDocument caps = loggedServices.get(serverID);
@@ -376,7 +420,7 @@ public class SClient4WPSSession implements Serializable {
 		logger.debug("retrieveCapsViaGET: " + url);
 		ClientCapabiltiesRequest req = new ClientCapabiltiesRequest();
 		url = req.getRequest(url);
-
+		logger.debug("url req: "+url);
 		try {
 			String authString = user + ":" + password;
 			logger.debug("auth string: " + authString);
@@ -389,18 +433,19 @@ public class SClient4WPSSession implements Serializable {
 			connection.setRequestMethod("GET");
 			connection.setDoOutput(true);
 			connection.setRequestProperty("Authorization", "Basic " + encoded);
+			logger.debug("Request: "+connection.toString());
 			InputStream is = connection.getInputStream();
 			Document doc = checkInputStream(is);
 			CapabilitiesDocument capabilitiesDocument = CapabilitiesDocument.Factory.parse(doc, options);
 			return capabilitiesDocument;
 		} catch (MalformedURLException e) {
-			e.printStackTrace();
+			logger.error(e.getLocalizedMessage(),e);
 			throw new WPSClientException("Capabilities URL seems to be unvalid: " + url, e);
 		} catch (IOException e) {
-			e.printStackTrace();
+			logger.error(e.getLocalizedMessage(),e);
 			throw new WPSClientException("Error occured while retrieving capabilities from url: " + url, e);
 		} catch (XmlException e) {
-			e.printStackTrace();
+			logger.error(e.getLocalizedMessage(),e);
 			throw new WPSClientException("Error occured while parsing XML", e);
 		}
 	}
@@ -466,7 +511,8 @@ public class SClient4WPSSession implements Serializable {
 			throw new WPSClientException("Error occured while receiving data: " + e.getLocalizedMessage(), e);
 		} catch (XmlException e) {
 			logger.error("Error occured while parsing ProcessDescription document: " + e.getLocalizedMessage(), e);
-			throw new WPSClientException("Error occured while parsing ProcessDescription document: "+e.getLocalizedMessage(), e);
+			throw new WPSClientException(
+					"Error occured while parsing ProcessDescription document: " + e.getLocalizedMessage(), e);
 		} catch (Throwable e) {
 			logger.error(e.getLocalizedMessage(), e);
 			throw new WPSClientException(e.getLocalizedMessage(), new Exception(e));

src/main/java/org/gcube/data/analysis/dataminermanagercl/shared/Constants.java

@@ -17,13 +17,6 @@ public class Constants {
 	public static final String DATAMINER_SERVICE_CATEGORY = "DataAnalysis";
 	public static final String DATA_MINER_SERVICE_NAME = "DataMiner";
 
-	
-	public static final String[] ClassificationNames = { "User Perspective" };
-	// "Computation Perspective"};
-	public static final String UserClassificationName = ClassificationNames[0];
-	// public final static String computationClassificationName =
-	// classificationNames[1];
-
 	// WPS Data Miner
 	public static final String WPSWebProcessingService = "WebProcessingService";
 	public static final String WPSCancelComputationServlet = "CancelComputationServlet";

src/main/java/org/gcube/data/analysis/dataminermanagercl/shared/perspective/PerspectiveType.java

@@ -0,0 +1,74 @@
+package org.gcube.data.analysis.dataminermanagercl.shared.perspective;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * 
+ * @author Giancarlo Panichi
+ * 
+ *
+ */
+public enum PerspectiveType {
+
+	User("User", "User Perspective"), Computation("Computation", "Computation Persperctive");
+
+	/**
+	 * 
+	 * @param label
+	 *            label
+	 */
+	private PerspectiveType(final String label, final String perspective) {
+		this.label = label;
+		this.perspective = perspective;
+	}
+
+	private final String label;
+	private final String perspective;
+
+	@Override
+	public String toString() {
+		return "PerspectiveType [label=" + label + ", perspective=" + perspective + "]";
+	}
+
+	public String getLabel() {
+		return label;
+	}
+
+	public String getPerspective() {
+		return perspective;
+	}
+
+	public String getId() {
+		return name();
+	}
+
+	public static PerspectiveType getFromLabel(String label) {
+		if (label == null || label.isEmpty())
+			return null;
+
+		for (PerspectiveType type : values()) {
+			if (type.label.compareToIgnoreCase(label) == 0) {
+				return type;
+			}
+		}
+		return null;
+	}
+
+	public static PerspectiveType getFromPerspective(String perspective) {
+		if (perspective == null || perspective.isEmpty())
+			return null;
+
+		for (PerspectiveType type : values()) {
+			if (type.perspective.compareToIgnoreCase(perspective) == 0) {
+				return type;
+			}
+		}
+		return null;
+	}
+
+	public static List<PerspectiveType> asList() {
+		List<PerspectiveType> list = Arrays.asList(values());
+		return list;
+	}
+}