Merge branch 'SPM-17'

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

@@ -0,0 +1,39 @@
+package de.hsel.spm.baudas.analysis;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ **/
+public class Attribute {
+
+    static final int SEX = 0;
+    static final int AGE = 1;
+    static final int KIDS = 2;
+    static final int MARITAL_STATUS = 3;
+    static final int EMPLOYED = 4;
+    static final int SHOPPING_DAY = 5;
+    static final int SHOPPING_HOUR = 6;
+    static final int RESIDENCE = 7;
+    static final int HOUSEHOLD_INCOME = 8;
+    static final int REGULAR = 9;
+    static final int PURCHASE_AMOUNT = 10;
+    static final int POWER_TOOLS = 11;
+    static final int HARDWARE = 12;
+    static final int HAND_TOOLS = 13;
+    static final int SANITARY = 14;
+    static final int LOCKING = 15;
+    static final int TILES = 16;
+    static final int COLORS = 17;
+    static final int FITTINGS = 18;
+    static final int RENOVATION = 19;
+    static final int ELECTRICAL = 20;
+    static final int BUILDING_MATERIAL = 21;
+    static final int WOOD = 22;
+    static final int FLOORING = 23;
+    static final int LIGHTS = 24;
+    static final int GARDENING_TOOLS = 25;
+
+
+
+}

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

@@ -0,0 +1,20 @@
+package de.hsel.spm.baudas.analysis;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ **/
+
+@Data
+@EqualsAndHashCode
+@AllArgsConstructor
+public class DayHour {
+
+    private String day;
+    private String hour;
+}

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

@@ -0,0 +1,48 @@
+package de.hsel.spm.baudas.analysis;
+
+import weka.core.Instance;
+import weka.core.Instances;
+
+import java.io.File;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Shopping Times Analysis.
+ *
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ **/
+public class ShoppingTimes implements Analysis<Map<DayHour, Integer>> {
+
+    private Instances instances;
+    private Map<DayHour, Integer> result;
+
+    public ShoppingTimes(File file) {
+        instances = load(file);
+    }
+
+
+    /**
+     * get customer count at specific times.
+     *
+     * @return Map of Day-Hour Combinations and the corresponding customer count
+     */
+    @Override
+    public Map<DayHour, Integer> getResult() {
+        if (result == null) {
+            result = new HashMap<>();
+
+            for(Instance instance : instances) {
+                DayHour dayHour = new DayHour(instance.stringValue(Attribute.SHOPPING_DAY), instance.stringValue(Attribute.SHOPPING_HOUR));
+                int tmp = 1;
+                if(result.containsKey(dayHour))
+                    tmp = result.get(dayHour) + 1;
+
+                result.put(dayHour, tmp);
+            }
+        }
+        return result;
+    }
+}

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

@@ -0,0 +1,71 @@
+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;
+
+/**
+ * @author Karsten Eden
+ * @version 0.1
+ * @since 0.1
+ **/
+class ShoppingTimesTest {
+
+    @Test
+    void test100() {
+        URL url = getClass().getClassLoader().getResource("kd100.csv");
+        assert url != null;
+        ShoppingTimes overview = new ShoppingTimes(new File(url.getFile()));
+
+        AtomicReference<Map<DayHour, Integer>> results = new AtomicReference<>();
+
+        assertTimeout(Duration.ofMillis(1700), () -> results.set(overview.getResult()));
+
+        assertEquals(4, results.get().get(new DayHour("Montag", "10-12 Uhr")));
+        assertEquals(9, results.get().get(new DayHour("Samstag", "12-14 Uhr")));
+        assertEquals(1, results.get().get(new DayHour("Donnerstag", "14-17 Uhr")));
+        assertEquals(3, results.get().get(new DayHour("Mittwoch", ">17 Uhr")));
+        assertEquals(6, results.get().get(new DayHour("Dienstag", "<10 Uhr")));
+    }
+
+    @Test
+    void test1000(){
+        URL url = getClass().getClassLoader().getResource("kd1000.csv");
+        assert url != null;
+        ShoppingTimes overview = new ShoppingTimes(new File(url.getFile()));
+
+        AtomicReference<Map<DayHour, Integer>> results = new AtomicReference<>();
+
+        assertTimeout(Duration.ofMillis(3000), () -> results.set(overview.getResult()));
+
+        assertEquals(37, results.get().get(new DayHour("Montag", "10-12 Uhr")));
+        assertEquals(87, results.get().get(new DayHour("Samstag", "12-14 Uhr")));
+        assertEquals(23, results.get().get(new DayHour("Donnerstag", "14-17 Uhr")));
+        assertEquals(18, results.get().get(new DayHour("Mittwoch", ">17 Uhr")));
+        assertEquals(18, results.get().get(new DayHour("Dienstag", "<10 Uhr")));
+    }
+
+    @Test
+    void test10000() {
+        URL url = getClass().getClassLoader().getResource("kd10000.csv");
+        assert url != null;
+        ShoppingTimes overview = new ShoppingTimes(new File(url.getFile()));
+
+        AtomicReference<Map<DayHour, Integer>> results = new AtomicReference<>();
+
+        assertTimeout(Duration.ofMillis(3000), () -> results.set(overview.getResult()));
+
+        assertEquals(303, results.get().get(new DayHour("Montag", "10-12 Uhr")));
+        assertEquals(737, results.get().get(new DayHour("Samstag", "12-14 Uhr")));
+        assertEquals(192, results.get().get(new DayHour("Donnerstag", "14-17 Uhr")));
+        assertEquals(199, results.get().get(new DayHour("Mittwoch", ">17 Uhr")));
+        assertEquals(149, results.get().get(new DayHour("Dienstag", "<10 Uhr")));
+    }
+}