Merge branch 'SPM-14' of Studium/Softwareprojektmanagement into master

.gitignore

@@ -1,3 +1,4 @@
 *.iml
 .idea
 .project
+target

src/main/java/de/hsel/spm/baudas/analysis/Analysis.java

@@ -8,7 +8,7 @@ import java.io.File;
 import java.io.IOException;
 
 /**
- * base interface for analysis
+ * base interface for analysis.
  *
  * @author Johannes Theiner
  * @version 0.1
@@ -19,7 +19,7 @@ public interface Analysis<T> {
 
 
     /**
-     * loads data from csv file
+     * loads data from csv file.
      *
      * @param file File to analyze
      * @return loaded data in weka format
@@ -37,7 +37,7 @@ public interface Analysis<T> {
     }
 
     /**
-     * result of the analysis
+     * result of the analysis.
      *
      * @return result as T
      */

src/main/java/de/hsel/spm/baudas/analysis/WeekOverview.java

@@ -0,0 +1,63 @@
+package de.hsel.spm.baudas.analysis;
+
+import weka.core.Instance;
+import weka.core.Instances;
+
+import java.io.File;
+import java.util.AbstractMap;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Week Overview Analysis.
+ *
+ * @author Julian Hinxlage
+ * @version 0.1
+ * @since 0.1
+ **/
+public class WeekOverview implements Analysis<Map<String, Map.Entry<Double, Integer>>> {
+
+    private Instances instances;
+    private Map<String, Map.Entry<Double, Integer>> result;
+
+    public WeekOverview(File file) {
+        result = new HashMap<>();
+        instances = load(file);
+    }
+
+    @Override
+    public Map<String, Map.Entry<Double, Integer>> getResult() {
+
+        //TODO: replace values when #SPM-17 is merged
+        int dayIndex = 5;
+        int amountIndex = 10;
+
+        int startArticles = 11;
+        int endArticles = 26;
+
+        for (int i = 0; i < instances.numInstances(); i++) {
+            Instance instance = instances.get(i);
+            double amount = instance.value(amountIndex);
+            String day = instance.stringValue(dayIndex);
+
+
+            int count = 0;
+            for (int j = startArticles; j < endArticles; j++) {
+                count += (int) instance.value(j);
+            }
+
+            if (!result.containsKey(day)) {
+                result.put(day, new AbstractMap.SimpleEntry<>(0.0, 0));
+            }
+            result.put(day,
+                    new AbstractMap.SimpleEntry<>(
+                            result.get(day).getKey() + amount,
+                            result.get(day).getValue() + count
+                    )
+            );
+        }
+
+
+        return result;
+    }
+}

src/test/java/de/hsel/spm/baudas/analysis/WeekOverviewTest.java

@@ -0,0 +1,104 @@
+package de.hsel.spm.baudas.analysis;
+
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+import java.net.URL;
+import java.time.Duration;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicReference;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTimeout;
+
+
+/**
+ * Week Overview Analysis Test.
+ *
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ **/
+class WeekOverviewTest {
+
+    @Test
+    void test100() {
+        URL url = getClass().getClassLoader().getResource("kd100.csv");
+        assert url != null;
+
+        WeekOverview overview = new WeekOverview(new File(url.getFile()));
+
+        AtomicReference<Map<String, Map.Entry<Double, Integer>>> result = new AtomicReference<>();
+
+        assertTimeout(Duration.ofMillis(1), () -> result.set(overview.getResult()));
+
+
+        assertEquals(2477, result.get().get("Montag").getKey());
+        assertEquals(3359, result.get().get("Dienstag").getKey());
+        assertEquals(1436, result.get().get("Mittwoch").getKey());
+        assertEquals(2472, result.get().get("Donnerstag").getKey());
+        assertEquals(2399, result.get().get("Freitag").getKey());
+        assertEquals(18273, result.get().get("Samstag").getKey());
+
+        assertEquals(3216, result.get().get("Montag").getValue());
+        assertEquals(5503, result.get().get("Dienstag").getValue());
+        assertEquals(1888, result.get().get("Mittwoch").getValue());
+        assertEquals(3568, result.get().get("Donnerstag").getValue());
+        assertEquals(2953, result.get().get("Freitag").getValue());
+        assertEquals(26243, result.get().get("Samstag").getValue());
+    }
+
+    @Test
+    void test1000() {
+        URL url = getClass().getClassLoader().getResource("kd1000.csv");
+        assert url != null;
+
+        WeekOverview overview = new WeekOverview(new File(url.getFile()));
+
+        AtomicReference<Map<String, Map.Entry<Double, Integer>>> result = new AtomicReference<>();
+
+        assertTimeout(Duration.ofMillis(3), () -> result.set(overview.getResult()));
+
+
+        assertEquals(26273, result.get().get("Montag").getKey());
+        assertEquals(23345, result.get().get("Dienstag").getKey());
+        assertEquals(25203, result.get().get("Mittwoch").getKey());
+        assertEquals(26332, result.get().get("Donnerstag").getKey());
+        assertEquals(26413, result.get().get("Freitag").getKey());
+        assertEquals(146279, result.get().get("Samstag").getKey());
+
+        assertEquals(39839, result.get().get("Montag").getValue());
+        assertEquals(34992, result.get().get("Dienstag").getValue());
+        assertEquals(37299, result.get().get("Mittwoch").getValue());
+        assertEquals(35005, result.get().get("Donnerstag").getValue());
+        assertEquals(38911, result.get().get("Freitag").getValue());
+        assertEquals(214051, result.get().get("Samstag").getValue());
+    }
+
+    @Test
+    void test10000() {
+        URL url = getClass().getClassLoader().getResource("kd10000.csv");
+        assert url != null;
+
+        WeekOverview overview = new WeekOverview(new File(url.getFile()));
+
+        AtomicReference<Map<String, Map.Entry<Double, Integer>>> result = new AtomicReference<>();
+
+        assertTimeout(Duration.ofMillis(15), () -> result.set(overview.getResult()));
+
+
+        assertEquals(295688, result.get().get("Montag").getKey());
+        assertEquals(267269, result.get().get("Dienstag").getKey());
+        assertEquals(269610, result.get().get("Mittwoch").getKey());
+        assertEquals(254510, result.get().get("Donnerstag").getKey());
+        assertEquals(330907, result.get().get("Freitag").getKey());
+        assertEquals(1410789, result.get().get("Samstag").getKey());
+
+        assertEquals(426952, result.get().get("Montag").getValue());
+        assertEquals(379125, result.get().get("Dienstag").getValue());
+        assertEquals(373891, result.get().get("Mittwoch").getValue());
+        assertEquals(356996, result.get().get("Donnerstag").getValue());
+        assertEquals(480062, result.get().get("Freitag").getValue());
+        assertEquals(2015766, result.get().get("Samstag").getValue());
+    }
+}