DATACASS-287 - Polish.

Original pull request: #63.

spring-cql/src/test/java/org/springframework/cassandra/test/integration/core/BookListener.java

@@ -34,14 +34,16 @@ public class BookListener extends CallbackSynchronizationSupport implements Asyn
 	private boolean done;
 
 	@Override
-	public void onQueryComplete(ResultSetFuture rsf) {
+	public void onQueryComplete(ResultSetFuture resultSetFuture) {
 
 		Row row;
+
 		try {
-			row = rsf.get().one();
+			row = resultSetFuture.get().one();
 		} catch (Exception e) {
 			throw new RuntimeException("Failed to get ResultSet from ResultSetFuture", e);
 		}
+
 		book = new Book();
 		book.setIsbn(row.getString("isbn"));
 		book.setTitle(row.getString("title"));
@@ -66,5 +68,4 @@ public class BookListener extends CallbackSynchronizationSupport implements Asyn
 	public Book getBook() {
 		return book;
 	}
-
 }

spring-cql/src/test/java/org/springframework/cassandra/test/integration/support/ListListener.java

@@ -34,7 +34,6 @@ public class ListListener<T> extends CallbackSynchronizationSupport implements Q
 	 * Allow instances only using {@link #create()}
 	 */
 	private ListListener() {
-		super();
 	}
 
 	/**

spring-cql/src/test/java/org/springframework/cassandra/test/integration/support/ListOfMapListener.java

@@ -37,7 +37,6 @@ public class ListOfMapListener extends CallbackSynchronizationSupport implements
 	 * Allow instances only using {@link #create()}
 	 */
 	private ListOfMapListener() {
-		super();
 	}
 
 	/**

spring-cql/src/test/java/org/springframework/cassandra/test/integration/support/MapListener.java

@@ -33,12 +33,11 @@ public class MapListener extends CallbackSynchronizationSupport implements Query
 	/**
 	 * Allow instances only using {@link #create()}
 	 */
-	private MapListener(){
-		super();
+	private MapListener() {
 	}
 
 	/**
-	 * @return a new {@link ObjectListener}.
+	 * @return a new {@link MapListener}.
 	 */
 	public static MapListener create() {
 		return new MapListener();

spring-cql/src/test/java/org/springframework/cassandra/test/integration/support/ObjectListener.java

@@ -32,8 +32,7 @@ public class ObjectListener<T> extends CallbackSynchronizationSupport implements
 	/**
 	 * Allow instances only using {@link #create()}
 	 */
-	private ObjectListener(){
-		super();
+	private ObjectListener() {
 	}
 
 	/**

spring-cql/src/test/java/org/springframework/cassandra/test/integration/support/QueryListener.java

@@ -28,13 +28,12 @@ import com.datastax.driver.core.ResultSetFuture;
  */
 public class QueryListener extends CallbackSynchronizationSupport implements AsynchronousQueryListener {
 
-	private volatile ResultSetFuture rsf;
+	private volatile ResultSetFuture resultSetFuture;
 
 	/**
 	 * Allow instances only using {@link #create()}
 	 */
 	private QueryListener() {
-		super();
 	}
 
 	/**
@@ -47,11 +46,11 @@ public class QueryListener extends CallbackSynchronizationSupport implements Asy
 	@Override
 	public void onQueryComplete(ResultSetFuture resultSetFuture) {
 
-		this.rsf = resultSetFuture;
+		this.resultSetFuture = resultSetFuture;
 		countDown();
 	}
 
 	public ResultSetFuture getResultSetFuture() {
-		return rsf;
+		return resultSetFuture;
 	}
 }