Polishing

spring-expression/src/main/java/org/springframework/expression/spel/support/ReflectivePropertyAccessor.java

@@ -58,7 +58,10 @@ import org.springframework.util.StringUtils;
  */
 public class ReflectivePropertyAccessor implements PropertyAccessor {
 
+	private static final Set<Class<?>> ANY_TYPES = Collections.emptySet();
+
 	private static final Set<Class<?>> BOOLEAN_TYPES;
+
 	static {
 		Set<Class<?>> booleanTypes = new HashSet<Class<?>>();
 		booleanTypes.add(Boolean.class);
@@ -66,8 +69,6 @@ public class ReflectivePropertyAccessor implements PropertyAccessor {
 		BOOLEAN_TYPES = Collections.unmodifiableSet(booleanTypes);
 	}
 
-	private static final Set<Class<?>> ANY_TYPES = Collections.emptySet();
-
 
 	private final Map<CacheKey, InvokerPair> readerCache = new ConcurrentHashMap<CacheKey, InvokerPair>(64);
 
@@ -122,7 +123,7 @@ public class ReflectivePropertyAccessor implements PropertyAccessor {
 	}
 
 	public Member getLastReadInvokerPair() {
-		return lastReadInvokerPair.member;
+		return this.lastReadInvokerPair.member;
 	}
 
 	@Override