diff --git a/org.fortiss.tooling.ext.quality.ui/src/org/fortiss/tooling/ext/quality/ui/view/fx/.ratings b/org.fortiss.tooling.ext.quality.ui/src/org/fortiss/tooling/ext/quality/ui/view/fx/.ratings
index f2581491b6ce845015d5808db1b1573d72f1a7ff..99d0ae977c69622655527f5d1f0003b3b640f6df 100644
--- a/org.fortiss.tooling.ext.quality.ui/src/org/fortiss/tooling/ext/quality/ui/view/fx/.ratings
+++ b/org.fortiss.tooling.ext.quality.ui/src/org/fortiss/tooling/ext/quality/ui/view/fx/.ratings
@@ -1,3 +1,3 @@
 IModelQualityViewPart.java 708f8089645df12098ea67190805cce343045d2e YELLOW
-ModelQualityFXController.java e39386b6d4a3f51e71be89d1f1f633342ece79ea YELLOW
+ModelQualityFXController.java 24b571533dfa46cb33e5aef49ac91a48a92c9708 YELLOW
 ModelQualityFXViewPart.java 179abf18d6e3b6c844076620f53b43ac8a42c217 YELLOW
diff --git a/org.fortiss.tooling.ext.quality.ui/src/org/fortiss/tooling/ext/quality/ui/view/fx/ModelQualityFXController.java b/org.fortiss.tooling.ext.quality.ui/src/org/fortiss/tooling/ext/quality/ui/view/fx/ModelQualityFXController.java
index e39386b6d4a3f51e71be89d1f1f633342ece79ea..24b571533dfa46cb33e5aef49ac91a48a92c9708 100644
--- a/org.fortiss.tooling.ext.quality.ui/src/org/fortiss/tooling/ext/quality/ui/view/fx/ModelQualityFXController.java
+++ b/org.fortiss.tooling.ext.quality.ui/src/org/fortiss/tooling/ext/quality/ui/view/fx/ModelQualityFXController.java
@@ -30,7 +30,6 @@ import java.text.DecimalFormat;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.HashSet;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
@@ -59,7 +58,6 @@ import org.fortiss.tooling.spiderchart.style.DataSeriesStyle;
 import org.fortiss.tooling.spiderchart.style.LegendStyle;
 
 import javafx.application.Platform;
-import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
 import javafx.scene.Node;
 import javafx.scene.chart.BarChart;
@@ -146,7 +144,7 @@ public class ModelQualityFXController extends CompositeFXControllerBase<SplitPan
 	public void initialize() {
 		childMetricChoiceBox.getItems().addAll(MetricKey.values());
 	}
-	
+
 	/** {@inheritDoc} */
 	@Override
 	public void selectionChanged(IWorkbenchPart part, ISelection selection) {
@@ -192,6 +190,7 @@ public class ModelQualityFXController extends CompositeFXControllerBase<SplitPan
 	public void onChoiceBoxChange() {
 		updateCharts("Invalid selection or metrics not available");
 	}
+
 	/**
 	 * Is triggered when the child metric choice box changes.
 	 */
@@ -221,7 +220,7 @@ public class ModelQualityFXController extends CompositeFXControllerBase<SplitPan
 
 			if(node != null) {
 
-				//updateChoiceBoxes(node);
+				// updateChoiceBoxes(node);
 
 				if(!node.getChildren().isEmpty()) {
 
diff --git a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/.ratings b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/.ratings
index 4ab24eee160784828a84e31f249eaa61566eba2a..8f7af8e81f7fc36381e2a67be8031224c539c368 100644
--- a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/.ratings
+++ b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/.ratings
@@ -1,5 +1,5 @@
 AF3QualityActivator.java 353c3d99f423997e4e99a896b3c095fd77d81431 YELLOW
-GraphMetricsProvider.java b00a3b47acfcb6df3ab948f1258ff256ab07728c YELLOW
+GraphMetricsProvider.java 021a9a7de4fb080fe3a7f4f1fe1843564080cdb4 YELLOW
 HierarchicElementProvider.java 14d99b4d76ec28191ecd0f2654f43b92c36f1302 YELLOW
 IMetricProvider.java 99fc8993b0e65b2f8757978eeb0481d912f5608c YELLOW
 IMetricUpdateListener.java c24dc7c0f282623bbf1eefac1fbbb6752c97ddf0 YELLOW
diff --git a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/GraphMetricsProvider.java b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/GraphMetricsProvider.java
index b00a3b47acfcb6df3ab948f1258ff256ab07728c..021a9a7de4fb080fe3a7f4f1fe1843564080cdb4 100644
--- a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/GraphMetricsProvider.java
+++ b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/GraphMetricsProvider.java
@@ -265,10 +265,10 @@ public class GraphMetricsProvider {
 			saveMetric(scopeElement, manager, recursively, betweenness);
 		}
 	}
-	
+
 	/** Saving the metrics for each contained element of an {@link IHierarchicElement}. */
-	private static void saveMetric(IHierarchicElement scopeElement, MetricDataManager manager, boolean recursively,
-			Map<IHierarchicElement, Double> betweenness) {
+	private static void saveMetric(IHierarchicElement scopeElement, MetricDataManager manager,
+			boolean recursively, Map<IHierarchicElement, Double> betweenness) {
 		MetricKey key = recursively ? MetricKey.BETWEENESS_CENTRALITY_RECURSIVELY
 				: MetricKey.BETWEENESS_CENTRALITY;
 		for(IHierarchicElement child : scopeElement.getContainedElements()) {
diff --git a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/service/.ratings b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/service/.ratings
index 6d7c1b24c456c78ed37341326b664dc1bc3d47f6..c939dee612b5b481fe20a7410f35260dabd1b8a0 100644
--- a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/service/.ratings
+++ b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/service/.ratings
@@ -1,2 +1,2 @@
 IModelQualityService.java b530e32826340efaa3872e110d71e1c3a720dc07 YELLOW
-ModelQualityService.java e7623bd438d8c0152a00481662fb32954d143c57 YELLOW
+ModelQualityService.java a996770744711fb101f174b3421b4984ecdf60d8 YELLOW
diff --git a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/service/ModelQualityService.java b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/service/ModelQualityService.java
index e7623bd438d8c0152a00481662fb32954d143c57..a996770744711fb101f174b3421b4984ecdf60d8 100644
--- a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/service/ModelQualityService.java
+++ b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/service/ModelQualityService.java
@@ -113,9 +113,9 @@ public class ModelQualityService extends EObjectAwareServiceBase<IMetricProvider
 				}
 				try {
 					performMetricCollection(toBeProcessed);
-				} catch (NoSuchAlgorithmException e) {
+				} catch(NoSuchAlgorithmException e) {
 					e.printStackTrace();
-				} catch (IOException e) {
+				} catch(IOException e) {
 					e.printStackTrace();
 				}
 			} while(true);
@@ -164,10 +164,11 @@ public class ModelQualityService extends EObjectAwareServiceBase<IMetricProvider
 	 * 
 	 * @param topLevelElement
 	 *            the {@link ITopLevelElement} on which the analysis should be performed
-	 * @throws IOException 
-	 * @throws NoSuchAlgorithmException 
+	 * @throws IOException
+	 * @throws NoSuchAlgorithmException
 	 */
-	private void performMetricCollection(ITopLevelElement topLevelElement) throws NoSuchAlgorithmException, IOException {
+	private void performMetricCollection(ITopLevelElement topLevelElement)
+			throws NoSuchAlgorithmException, IOException {
 		// Sort root elements, as some metrics are saved into trees from other root elements
 		// To avoid these problems, the elements have to be processed in a certain order
 
diff --git a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/storage/.ratings b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/storage/.ratings
index 1f9621e24c22d65c1ef2c6703c25e6902362d815..abec1e37a6eaeaabc9e2159f80a967b893569ce5 100644
--- a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/storage/.ratings
+++ b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/storage/.ratings
@@ -1,2 +1,2 @@
-CSVFileWriter.java 6ee652cdd7a270ad22a29e30d19e6f7f2a41f611 YELLOW
-ModelQualityStorageManager.java 50f1fa35b82bc42b564d75fb9510a989b129533f YELLOW
+CSVFileWriter.java dc1f73b071a2acd8fffed383c3528c55b34768f0 YELLOW
+ModelQualityStorageManager.java 66569ed1d4c3fd12b8f80e526aad70a981622d25 YELLOW
diff --git a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/storage/CSVFileWriter.java b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/storage/CSVFileWriter.java
index 6ee652cdd7a270ad22a29e30d19e6f7f2a41f611..dc1f73b071a2acd8fffed383c3528c55b34768f0 100644
--- a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/storage/CSVFileWriter.java
+++ b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/storage/CSVFileWriter.java
@@ -59,11 +59,12 @@ public class CSVFileWriter {
 	 * 
 	 * @param map
 	 *            to convert into csv
-	 * @throws IOException 
-	 * @throws NoSuchAlgorithmException 
+	 * @throws IOException
+	 * @throws NoSuchAlgorithmException
 	 * 
 	 */
-	public static void metricExtractionToCSV(Map<IProjectRootElement, DataRootElement> map) throws NoSuchAlgorithmException, IOException {
+	public static void metricExtractionToCSV(Map<IProjectRootElement, DataRootElement> map)
+			throws NoSuchAlgorithmException, IOException {
 
 		// check if there is any data to export
 		if(map == null || map.isEmpty()) {
@@ -79,15 +80,17 @@ public class CSVFileWriter {
 		Collection<DataRootElement> values = map.values();
 		DataRootElement firstValue = values.toArray(new DataRootElement[0])[0];
 		String projectName = firstValue.getTopLevelElement().getSaveableName();
-		Path path = new File(ModelQualityStorageManager.MODEL_QUALITY_PROJECT_DIR, 
-		projectName.replace(ModelQualityStorageManager.AF3_PRJ_SUFFIX,ModelQualityStorageManager.CSV)).toPath();
-		
-		Path af3File = new File(ModelQualityStorageManager.MODEL_PROJECT_DIR,firstValue.getTopLevelElement().getSaveableName()).toPath();
-		String projectHash = computeGitHash(af3File);	
-		
+		Path path = new File(ModelQualityStorageManager.MODEL_QUALITY_PROJECT_DIR, projectName
+				.replace(ModelQualityStorageManager.AF3_PRJ_SUFFIX, ModelQualityStorageManager.CSV))
+						.toPath();
+
+		Path af3File = new File(ModelQualityStorageManager.MODEL_PROJECT_DIR,
+				firstValue.getTopLevelElement().getSaveableName()).toPath();
+		String projectHash = computeGitHash(af3File);
+
 		List<String> allKeys = new ArrayList<>();
 		boolean createNewIndex = true;
-		
+
 		if(Files.exists(path)) {
 			// Read first line and try to extract the keys from the already existing file
 			try(BufferedReader reader = new BufferedReader(new FileReader(path.toFile()))) {
@@ -100,7 +103,7 @@ public class CSVFileWriter {
 				e.printStackTrace();
 			}
 		}
-		writeMetricsToFile(map, allKeys, path, createNewIndex, projectName,projectHash);
+		writeMetricsToFile(map, allKeys, path, createNewIndex, projectName, projectHash);
 	}
 
 	/**
@@ -115,14 +118,14 @@ public class CSVFileWriter {
 	 * @param createNewIndex
 	 *            if a index should be written before writing any values
 	 * @param projectName
-	 * 			  the name of the base fileProject for this map currently in the focus
+	 *            the name of the base fileProject for this map currently in the focus
 	 * @param projectHash
-	 * 			  the af3 file hash value saved for version identification
+	 *            the af3 file hash value saved for version identification
 	 */
 	private static void writeMetricsToFile(Map<IProjectRootElement, DataRootElement> map,
-			List<String> allKeys, Path path, boolean createNewIndex, String projectName, String projectHash) {
-		
-		
+			List<String> allKeys, Path path, boolean createNewIndex, String projectName,
+			String projectHash) {
+
 		try(var writer = new BufferedWriter(new FileWriter(path.toFile(), true))) {
 			if(createNewIndex) {
 				// Create new index and write it into the first line of the file
@@ -162,8 +165,8 @@ public class CSVFileWriter {
 							.map(id -> id.toString()).reduce((a, b) -> a + " " + b).orElse("");
 
 					// These 6 data entries are just concatenated in front
-					var startStream = Stream.of(formattedDateTime, projectName, projectHash, rootName,
-							node.getName(), children_ids);
+					var startStream = Stream.of(formattedDateTime, projectName, projectHash,
+							rootName, node.getName(), children_ids);
 					// Collect all values from provider in the correct order and combine
 					var values = Stream.concat(startStream, valueKeys.stream()
 							.map(String::toUpperCase).map(MetricKey::valueOf).map(k -> {
@@ -186,25 +189,29 @@ public class CSVFileWriter {
 			e.printStackTrace();
 		}
 	}
-	
-	/** Function to generate the hash for a fileProject to later on identify the versions with the saved metrics. */
-	private static String computeGitHash(Path filePath) throws NoSuchAlgorithmException, IOException {
-        String fileAsString = new String(Files.readAllBytes(Paths.get(filePath.toString())));
-        MessageDigest digest = MessageDigest.getInstance("SHA-1");
-        byte[] hash = digest.digest(fileAsString.getBytes(StandardCharsets.UTF_8));
-        return bytesToHex(hash);
+
+	/**
+	 * Function to generate the hash for a fileProject to later on identify the versions with the
+	 * saved metrics.
+	 */
+	private static String computeGitHash(Path filePath)
+			throws NoSuchAlgorithmException, IOException {
+		String fileAsString = new String(Files.readAllBytes(Paths.get(filePath.toString())));
+		MessageDigest digest = MessageDigest.getInstance("SHA-1");
+		byte[] hash = digest.digest(fileAsString.getBytes(StandardCharsets.UTF_8));
+		return bytesToHex(hash);
 	}
-	
+
 	/** Switching from bytes to Hex notation. */
 	private static String bytesToHex(byte[] hash) {
-        StringBuilder hexString = new StringBuilder(2 * hash.length);
-        for (byte b : hash) {
-            String hex = Integer.toHexString(0xff & b);
-            if (hex.length() == 1) {
-                hexString.append('0');
-            }
-            hexString.append(hex);
-        }
-        return hexString.toString();
-    }
+		StringBuilder hexString = new StringBuilder(2 * hash.length);
+		for(byte b : hash) {
+			String hex = Integer.toHexString(0xff & b);
+			if(hex.length() == 1) {
+				hexString.append('0');
+			}
+			hexString.append(hex);
+		}
+		return hexString.toString();
+	}
 }
diff --git a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/storage/ModelQualityStorageManager.java b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/storage/ModelQualityStorageManager.java
index 50f1fa35b82bc42b564d75fb9510a989b129533f..66569ed1d4c3fd12b8f80e526aad70a981622d25 100644
--- a/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/storage/ModelQualityStorageManager.java
+++ b/org.fortiss.tooling.ext.quality/src/org/fortiss/tooling/ext/quality/storage/ModelQualityStorageManager.java
@@ -30,7 +30,7 @@ public class ModelQualityStorageManager {
 
 	/** The name of the general quality plugin directory. */
 	public static final String AF3_QUALITY_DIRECTORY_NAME = "AF3-Model-Quality-Directory";
-	
+
 	/** The name of the general project directory. */
 	public static final String AF3_PROJECT_DIRECTORY_NAME = "AF3-Project-Directory";
 
@@ -40,14 +40,14 @@ public class ModelQualityStorageManager {
 	/** {@link File} representing the directory where all data is saved. */
 	public static final File MODEL_QUALITY_PROJECT_DIR =
 			new File(WORKSPACE_ROOT.getLocation() + File.separator + AF3_QUALITY_DIRECTORY_NAME);
-	
+
 	/** {@link File} representing the directory where all data is saved. */
 	public static final File MODEL_PROJECT_DIR =
 			new File(WORKSPACE_ROOT.getLocation() + File.separator + AF3_PROJECT_DIRECTORY_NAME);
 
 	/** Defines the suffix of AF3 project files. */
 	public static final String AF3_PRJ_SUFFIX = "af3_23";
-	
+
 	/** Suffix of the file in which the data is written. */
 	public static final String CSV = "csv";
 }