OO-716: cleanup some warnings

src/main/java/org/olat/course/nodes/AbstractAccessableCourseNode.java

@@ -41,9 +41,7 @@ import org.olat.course.condition.interpreter.ConditionExpression;
 import org.olat.course.condition.interpreter.ConditionInterpreter;
 import org.olat.course.export.CourseEnvironmentMapper;
 import org.olat.course.run.environment.CourseEnvironment;
-import org.olat.course.run.navigation.NodeRunConstructionResult;
 import org.olat.course.run.userview.NodeEvaluation;
-import org.olat.course.run.userview.UserCourseEnvironment;
 
 import de.bps.course.nodes.CourseNodePasswordManagerImpl;
 

src/main/java/org/olat/ims/qti/QTI12ResultDetailsController.java

@@ -227,7 +227,7 @@ public class QTI12ResultDetailsController extends BasicController {
 				if(tableModel.isTestRunning()) {
 					IQRetrievedEvent retrieveEvent = new IQRetrievedEvent(assessedIdentity, courseResourceableId, nodeIdent);
 					CoordinatorManager.getInstance().getCoordinator().getEventBus().fireEventToListenersOf(retrieveEvent, retrieveEvent);
-					doRetrieveTest(ureq);
+					doRetrieveTest();
 				}
 			}
 			removeAsListenerAndDispose(retrieveConfirmationCtr);
@@ -253,7 +253,7 @@ public class QTI12ResultDetailsController extends BasicController {
 	 * result set, pass the score to the course node.
 	 * @param ureq
 	 */
-	protected void doRetrieveTest(UserRequest ureq2) {
+	private void doRetrieveTest() {
 		ICourse course = CourseFactory.loadCourse(courseResourceableId);
 		AssessableCourseNode testNode = (AssessableCourseNode)course.getRunStructure().getNode(nodeIdent);
 		ModuleConfiguration modConfig = testNode.getModuleConfiguration();

src/main/java/org/olat/ims/qti/statistics/QTIStatisticResourceResult.java

@@ -28,7 +28,6 @@ import org.olat.core.gui.components.tree.TreeModel;
 import org.olat.core.gui.components.tree.TreeNode;
 import org.olat.core.gui.control.Controller;
 import org.olat.core.gui.control.WindowControl;
-import org.olat.course.nodes.CourseNode;
 import org.olat.course.nodes.CourseNodeConfiguration;
 import org.olat.course.nodes.CourseNodeFactory;
 import org.olat.course.nodes.IQSELFCourseNode;
@@ -134,7 +133,7 @@ public class QTIStatisticResourceResult implements StatisticResourceResult {
 		GenericTreeModel subTreeModel = new GenericTreeModel();
 		StatisticResourceNode rootTreeNode = new StatisticResourceNode(courseNode, this);
 		subTreeModel.setRootNode(rootTreeNode);
-		buildQTICourseNodeSubTree(courseNode, qtiDocument, rootTreeNode);
+		buildQTICourseNodeSubTree(qtiDocument, rootTreeNode);
 		return subTreeModel;
 	}
 
@@ -178,7 +177,7 @@ public class QTIStatisticResourceResult implements StatisticResourceResult {
 		}
 	}
 	
-	private void buildQTICourseNodeSubTree(CourseNode courseNode, QTIDocument qtiDocument, GenericTreeNode rootNode) {	
+	private void buildQTICourseNodeSubTree(QTIDocument qtiDocument, GenericTreeNode rootNode) {	
 		for(Section section:qtiDocument.getAssessment().getSections()) {
 			GenericTreeNode sectionNode = new SectionNode(section, null);
 			sectionNode.setUserObject(section);

src/main/java/org/olat/ims/qti/statistics/ui/QTI12SurveyStatisticsController.java

@@ -55,11 +55,11 @@ public class QTI12SurveyStatisticsController extends AbstractAssessmentStatistic
 				items.add(item);
 			}
 		}
-		initCourseNodeInformation(items, stats);
+		initCourseNodeInformation(stats);
 		initItemsOverview(items);
 	}
 	
-	private void initCourseNodeInformation(List<Item> items, StatisticAssessment stats) {
+	private void initCourseNodeInformation(StatisticAssessment stats) {
 		mainVC.contextPut("type", resourceResult.getType());
 		mainVC.contextPut("numOfParticipants", stats.getNumOfParticipants());
 		String duration = duration(stats.getAverageDuration());