Assuage checkstyle's complaints

Author: Ajay Kannan

datastore/src/main/java/com/google/datastore/snippets/Concepts.java

@@ -89,17 +89,25 @@ public class Concepts {
  @Rule
  public ExpectedException thrown = ExpectedException.none();
 
+ /**
+ * Starts the local Datastore emulator.
+ *
+ * @throws IOException
+ * @throws InterruptedException
+ */
  @BeforeClass
  public static void beforeClass() throws IOException, InterruptedException {
- // Start the local Datastore emulator.
  if (!LocalGcdHelper.isActive(PROJECT_ID, PORT)) {
  gcdHelper = LocalGcdHelper.start(PROJECT_ID, PORT);
  }
  }
 
+ /**
+ * Initializes Datastore and cleans out any residual values. Also initializes global variables
+ * used for testing.
+ */
  @Before
  public void setUp() {
- // Initialize Datastore and clean out any residual values.
  datastore = DatastoreOptions.builder()
  .projectId(PROJECT_ID)
  .namespace("ghijklmnop") // for namespace metadata query
@@ -109,8 +117,6 @@ public void setUp() {
  StructuredQuery<Key> query = Query.keyQueryBuilder().build();
  QueryResults<Key> result = datastore.run(query);
  datastore.delete(Iterators.toArray(result, Key.class));
-
- // Initialize global variables.
  keyFactory = datastore.newKeyFactory().kind("Task");
  taskKey = keyFactory.newKey("some-arbitrary-key");
  testEntity = Entity.builder(taskKey, TEST_FULL_ENTITY).build();
@@ -125,9 +131,14 @@ public void setUp() {
  includedDate = DateTime.copyFrom(includedCalendar);
  }
 
+ /**
+ * Stops the local Datastore emulator.
+ *
+ * @throws IOException
+ * @throws InterruptedException
+ */
  @AfterClass
  public static void afterClass() throws IOException, InterruptedException {
- // Stop the local Datastore emulator.
  if (gcdHelper != null) {
  gcdHelper.stop();
  }