Add missing @Override found by ErrorProne

Change-Id: I585242507815aad4aa0103fd55a6c369e342ab33

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileRepository.java

@@ -182,10 +182,12 @@ public FileRepository(final BaseRepositoryBuilder options) throws IOException {
 					getFS());
 		else
 			systemConfig = new FileBasedConfig(null, FS.DETECTED) {
+				@Override
 				public void load() {
 					// empty, do not load
 				}
 
+				@Override
 				public boolean isOutdated() {
 					// regular class would bomb here
 					return false;
@@ -202,6 +204,7 @@ public boolean isOutdated() {
 		loadRepoConfig();
 
 		repoConfig.addChangeListener(new ConfigChangedListener() {
+			@Override
 			public void onConfigChanged(ConfigChangedEvent event) {
 				fireEvent(event);
 			}
@@ -284,6 +287,7 @@ private void loadRepoConfig() throws IOException {
 	 * @throws IOException
 	 *             in case of IO problem
 	 */
+	@Override
 	public void create(boolean bare) throws IOException {
 		final FileBasedConfig cfg = getConfig();
 		if (cfg.getFile().exists()) {
@@ -381,21 +385,20 @@ public File getObjectsDirectory() {
 		return objectDatabase.getDirectory();
 	}
 
-	/**
+	/** @return the object database storing this repository's data. */
-	 * @return the object database which stores this repository's data.
+	@Override
-	 */
 	public ObjectDirectory getObjectDatabase() {
 		return objectDatabase;
 	}
 
 	/** @return the reference database which stores the reference namespace. */
+	@Override
 	public RefDatabase getRefDatabase() {
 		return refs;
 	}
 
-	/**
+	/** @return the configuration of this repository. */
-	 * @return the configuration of this repository
+	@Override
-	 */
 	public FileBasedConfig getConfig() {
 		if (systemConfig.isOutdated()) {
 			try {
@@ -484,6 +487,7 @@ private File descriptionFile() {
 	 *
 	 * @return unmodifiable collection of other known objects.
 	 */
+	@Override
 	public Set<ObjectId> getAdditionalHaves() {
 		HashSet<ObjectId> r = new HashSet<ObjectId>();
 		for (AlternateHandle d : objectDatabase.myAlternates()) {
@@ -522,9 +526,7 @@ public void scanForRepoChanges() throws IOException {
 		detectIndexChanges();
 	}
 
-	/**
+	/** Detect index changes. */
-	 * Detect index changes.
-	 */
 	private void detectIndexChanges() {
 		if (isBare())
 			return;
@@ -548,6 +550,7 @@ public void notifyIndexChanged() {
 	 *         named ref does not exist.
 	 * @throws IOException the ref could not be accessed.
 	 */
+	@Override
 	public ReflogReader getReflogReader(String refName) throws IOException {
 		Ref ref = findRef(refName);
 		if (ref != null)
@@ -585,6 +588,7 @@ protected AttributesNodeProviderImpl(Repository repo) {
 			globalAttributesNode = new GlobalAttributesNode(repo);
 		}
 
+		@Override
 		public AttributesNode getInfoAttributesNode() throws IOException {
 			if (infoAttributesNode instanceof InfoAttributesNode)
 				infoAttributesNode = ((InfoAttributesNode) infoAttributesNode)
@@ -592,6 +596,7 @@ public AttributesNode getInfoAttributesNode() throws IOException {
 			return infoAttributesNode;
 		}
 
+		@Override
 		public AttributesNode getGlobalAttributesNode() throws IOException {
 			if (globalAttributesNode instanceof GlobalAttributesNode)
 				globalAttributesNode = ((GlobalAttributesNode) globalAttributesNode)
@@ -625,5 +630,4 @@ public void autoGC(ProgressMonitor monitor) {
 			throw new JGitInternalException(JGitText.get().gcFailed, e);
 		}
 	}
-
 }

org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdOwnerMap.java

@@ -143,6 +143,7 @@ public V get(final AnyObjectId toFind) {
 	 *            object to find.
 	 * @return true if the mapping exists for this object; false otherwise.
 	 */
+	@Override
 	public boolean contains(final AnyObjectId toFind) {
 		return get(toFind) != null;
 	}
@@ -219,20 +220,20 @@ public boolean isEmpty() {
 		return size == 0;
 	}
 
+	@Override
 	public Iterator<V> iterator() {
 		return new Iterator<V>() {
 			private int found;
-
 			private int dirIdx;
-
 			private int tblIdx;
-
 			private V next;
 
+			@Override
 			public boolean hasNext() {
 				return found < size;
 			}
 
+			@Override
 			public V next() {
 				if (next != null)
 					return found(next);
@@ -261,6 +262,7 @@ private V found(V v) {
 				return v;
 			}
 
+			@Override
 			public void remove() {
 				throw new UnsupportedOperationException();
 			}

org.eclipse.jgit/src/org/eclipse/jgit/lib/Repository.java

@@ -107,8 +107,7 @@
  * This class is thread-safe.
  */
 public abstract class Repository implements AutoCloseable {
-	private static Logger LOG = LoggerFactory.getLogger(Repository.class);
+	private static final Logger LOG = LoggerFactory.getLogger(Repository.class);
-
 	private static final ListenerList globalListeners = new ListenerList();
 
 	/** @return the global listener list observing all events in this JVM. */
@@ -869,6 +868,7 @@ public void incrementOpen() {
 	}
 
 	/** Decrement the use count, and maybe close resources. */
+	@Override
 	public void close() {
 		int newCount = useCnt.decrementAndGet();
 		if (newCount == 0) {
@@ -902,8 +902,9 @@ protected void doClose() {
 		getRefDatabase().close();
 	}
 
-	@NonNull
 	@SuppressWarnings("nls")
+	@Override
+	@NonNull
 	public String toString() {
 		String desc;
 		File directory = getDirectory();
@@ -1175,7 +1176,7 @@ public DirCache lockDirCache() throws NoWorkTreeException,
 		// we want DirCache to inform us so that we can inform registered
 		// listeners about index changes
 		IndexChangedListener l = new IndexChangedListener() {
-
+			@Override
 			public void onIndexChanged(IndexChangedEvent event) {
 				notifyIndexChanged();
 			}

org.eclipse.jgit/src/org/eclipse/jgit/lib/RepositoryCache.java

@@ -430,6 +430,7 @@ public final File getFile() {
 			return path;
 		}
 
+		@Override
 		public Repository open(final boolean mustExist) throws IOException {
 			if (mustExist && !isGitRepository(path, fs))
 				throw new RepositoryNotFoundException(path);