[ci] Remove duplicate initializers

Author: hazendaz

src/main/java/org/apache/ibatis/cursor/defaults/DefaultCursor.java

@@ -45,7 +45,7 @@ public class DefaultCursor<T> implements Cursor<T> {
     private final ObjectWrapperResultHandler<T> objectWrapperResultHandler = new ObjectWrapperResultHandler<T>();
 
     private final CursorIterator cursorIterator = new CursorIterator();
-    private boolean iteratorRetrieved = false;
+    private boolean iteratorRetrieved;
 
     private CursorStatus status = CursorStatus.CREATED;
     private int indexWithRowBound = -1;

src/main/java/org/apache/ibatis/datasource/pooled/PooledDataSource.java

@@ -51,8 +51,8 @@ public class PooledDataSource implements DataSource {
   protected int poolMaximumCheckoutTime = 20000;
   protected int poolTimeToWait = 20000;
   protected String poolPingQuery = "NO PING QUERY SET";
-  protected boolean poolPingEnabled = false;
-  protected int poolPingConnectionsNotUsedFor = 0;
+  protected boolean poolPingEnabled;
+  protected int poolPingConnectionsNotUsedFor;
 
   private int expectedConnectionTypeCode;
 

src/main/java/org/apache/ibatis/executor/BaseExecutor.java

@@ -59,7 +59,7 @@ public abstract class BaseExecutor implements Executor {
   protected PerpetualCache localOutputParameterCache;
   protected Configuration configuration;
 
-  protected int queryStack = 0;
+  protected int queryStack;
   private boolean closed;
 
   protected BaseExecutor(Configuration configuration, Transaction transaction) {

src/main/java/org/apache/ibatis/jdbc/ScriptRunner.java

@@ -48,7 +48,7 @@ public class ScriptRunner {
   private PrintWriter errorLogWriter = new PrintWriter(System.err);
 
   private String delimiter = DEFAULT_DELIMITER;
-  private boolean fullLineDelimiter = false;
+  private boolean fullLineDelimiter;
 
   public ScriptRunner(Connection connection) {
     this.connection = connection;

src/main/java/org/apache/ibatis/logging/jdbc/ResultSetLogger.java

@@ -39,7 +39,7 @@ public final class ResultSetLogger extends BaseJdbcLogger implements InvocationH
 
   private static Set<Integer> BLOB_TYPES = new HashSet<Integer>();
   private boolean first = true;
-  private int rows = 0;
+  private int rows;
   private ResultSet rs;
   private Set<Integer> blobColumns = new HashSet<Integer>();
 

src/main/java/org/apache/ibatis/reflection/ParamNameResolver.java

@@ -34,8 +34,8 @@ public class ParamNameResolver {
 
   private static final String GENERIC_NAME_PREFIX = "param";
   private static final String PARAMETER_CLASS = "java.lang.reflect.Parameter";
-  private static Method GET_NAME = null;
-  private static Method GET_PARAMS = null;
+  private static Method GET_NAME;
+  private static Method GET_PARAMS;
 
   static {
     try {

src/main/java/org/apache/ibatis/reflection/wrapper/ObjectWrapperFactory.java

@@ -23,7 +23,7 @@
 public interface ObjectWrapperFactory {
 
   boolean hasWrapperFor(Object object);
-  
+
   ObjectWrapper getWrapperFor(MetaObject metaObject, Object object);
-  
+
 }

src/main/java/org/apache/ibatis/scripting/LanguageDriverRegistry.java

@@ -25,7 +25,7 @@ public class LanguageDriverRegistry {
 
   private final Map<Class<?>, LanguageDriver> LANGUAGE_DRIVER_MAP = new HashMap<Class<?>, LanguageDriver>();
 
-  private Class<?> defaultDriverClass = null;
+  private Class<?> defaultDriverClass;
 
   public void register(Class<?> cls) {
     if (cls == null) {

src/main/java/org/apache/ibatis/session/Configuration.java

@@ -97,17 +97,17 @@ public class Configuration {
 
   protected Environment environment;
 
-  protected boolean safeRowBoundsEnabled = false;
+  protected boolean safeRowBoundsEnabled;
   protected boolean safeResultHandlerEnabled = true;
-  protected boolean mapUnderscoreToCamelCase = false;
-  protected boolean aggressiveLazyLoading = false;
+  protected boolean mapUnderscoreToCamelCase;
+  protected boolean aggressiveLazyLoading;
   protected boolean multipleResultSetsEnabled = true;
-  protected boolean useGeneratedKeys = false;
+  protected boolean useGeneratedKeys;
   protected boolean useColumnLabel = true;
   protected boolean cacheEnabled = true;
-  protected boolean callSettersOnNulls = false;
+  protected boolean callSettersOnNulls;
   protected boolean useActualParamName = true;
-  protected boolean returnInstanceForEmptyRow = false;
+  protected boolean returnInstanceForEmptyRow;
 
   protected String logPrefix;
   protected Class <? extends Log> logImpl;