--- a
+++ b/src/main/java/net/timbusproject/dpes/pi/kbserver/beans/StatisticsBean.java
@@ -0,0 +1,100 @@
+/**
+ * Copyright (c) 2013/2014 Verein zur Foerderung der IT-Sicherheit in Oesterreich (SBA).
+ * The work has been developed in the TIMBUS Project and the above-mentioned are Members of the TIMBUS Consortium.
+ * TIMBUS is supported by the European Union under the 7th Framework Programme for research and technological
+ * development and demonstration activities (FP7/2007-2013) under grant agreement no. 269940.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including without
+ * limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTIBITLY, or FITNESS FOR A PARTICULAR
+ * PURPOSE. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise,
+ * unless required by applicable law or agreed to in writing, shall any Contributor be liable for damages, including
+ * any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this
+ * License or out of the use or inability to use the Work.
+ * See the License for the specific language governing permissions and limitation under the License.
+ */
+package net.timbusproject.dpes.pi.kbserver.beans;
+
+import ch.lambdaj.function.convert.Converter;
+import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics;
+import org.primefaces.model.chart.CartesianChartModel;
+import org.primefaces.model.chart.ChartSeries;
+import org.sba_research.timbus.kb.ToolKnowledgeBase;
+import org.sba_research.timbus.kb.timbus.TimbusToolKnowledgeBase;
+import org.sbaresearch.owl.InvalidQueryException;
+import org.sbaresearch.owl.JenaQueryFacade;
+import org.slf4j.LoggerFactory;
+
+import javax.faces.bean.ApplicationScoped;
+import javax.faces.bean.ManagedBean;
+import java.io.Serializable;
+import java.util.Collections;
+import java.util.List;
+
+import static ch.lambdaj.Lambda.convert;
+
+@ManagedBean
+@ApplicationScoped
+@SuppressWarnings("unused")
+public class StatisticsBean implements Serializable {
+ private static final org.slf4j.Logger LOG = LoggerFactory.getLogger(StatisticsBean.class);
+ public static final String ONTOLOGY_FILE_NAME = "/kb.out.owl";
+
+ private final ToolKnowledgeBase toolKnowledgeBase;
+ private final List<String> toolNames;
+ private DescriptiveStatistics statistics;
+
+ private CartesianChartModel toolAlternativesChartModel;
+ private List<Integer> alternativeCounts;
+
+ public StatisticsBean() {
+ JenaQueryFacade queryFacade = new JenaQueryFacade(JenaQueryFacade.getModelFromPath(getClass().getResource(ONTOLOGY_FILE_NAME).getFile(), true));
+ toolKnowledgeBase = new TimbusToolKnowledgeBase(queryFacade);
+ toolNames = toolKnowledgeBase.getAllToolNames();
+ }
+
+ public DescriptiveStatistics getStatistics() {
+ if (statistics != null) return statistics;
+ List<Integer> alternativeCounts = getAlternativeCounts();
+ statistics = new DescriptiveStatistics();
+
+ for (Integer count : alternativeCounts) {
+ statistics.addValue(count);
+ }
+
+ return statistics;
+ }
+
+ private List<Integer> getAlternativeCounts() {
+ if (alternativeCounts != null) return alternativeCounts;
+ alternativeCounts = convert(toolNames, new Converter<String, Integer>() {
+ @Override
+ public Integer convert(String tool) {
+ try {
+ // TODO: this really is slow, transform to a query
+ return toolKnowledgeBase.getAlternativeTools(tool).size();
+ } catch (InvalidQueryException e) {
+ LOG.error("Unable to get alternatives for: " + tool + ", reason: " + e.getMessage());
+ return 0;
+ }
+ }
+ });
+ Collections.sort(alternativeCounts);
+ return alternativeCounts;
+ }
+
+ public CartesianChartModel getToolAlternativesChartModel() {
+ if (toolAlternativesChartModel != null) return toolAlternativesChartModel;
+ ChartSeries toolAlternativesSeries = new ChartSeries();
+ toolAlternativesSeries.setLabel("Tool alternatives");
+ for (int i = 0; i < getAlternativeCounts().size(); ++i) {
+ toolAlternativesSeries.set(i, getAlternativeCounts().get(i));
+ }
+ toolAlternativesChartModel = new CartesianChartModel();
+ toolAlternativesChartModel.addSeries(toolAlternativesSeries);
+ return toolAlternativesChartModel;
+ }
+
+}