X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fconfig%2Fconfig-manager%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fconfig%2Fmanager%2Fimpl%2Fdynamicmbean%2FAnnotationsHelper.java;h=6859e4caf3f37dd086a512651146290e8306b53a;hp=efb357466d52096db4506f9611ed6b4113c38fcb;hb=6227570f6482136b72a26675d43c8bb88279503e;hpb=ed6019236d78a69577888f60064c3714eaa80f6a

diff --git a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dynamicmbean/AnnotationsHelper.java b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dynamicmbean/AnnotationsHelper.java
index efb357466d..6859e4caf3 100644
--- a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dynamicmbean/AnnotationsHelper.java
+++ b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dynamicmbean/AnnotationsHelper.java
@@ -7,6 +7,8 @@
  */
 package org.opendaylight.controller.config.manager.impl.dynamicmbean;
 
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.ImmutableSet.Builder;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
@@ -29,9 +31,9 @@ public class AnnotationsHelper {
      * @return list of found annotations
      */
     static <T extends Annotation> List<T> findMethodAnnotationInSuperClassesAndIfcs(
-            final Method setter, Class<T> annotationType,
-            Set<Class<?>> inspectedInterfaces) {
-        List<T> result = new ArrayList<T>();
+            final Method setter, final Class<T> annotationType,
+            final Set<Class<?>> inspectedInterfaces) {
+        Builder<T> result = ImmutableSet.builder();
         Class<?> inspectedClass = setter.getDeclaringClass();
         do {
             try {
@@ -43,13 +45,15 @@ public class AnnotationsHelper {
                 }
                 // we need to go deeper
                 inspectedClass = inspectedClass.getSuperclass();
+                // no need to go further
             } catch (NoSuchMethodException e) {
-                inspectedClass = Object.class; // no need to go further
+                inspectedClass = Object.class;
             }
-        } while (inspectedClass.equals(Object.class) == false);
+        } while (!inspectedClass.equals(Object.class));
+
         // inspect interfaces
         for (Class<?> ifc : inspectedInterfaces) {
-            if (ifc.isInterface() == false) {
+            if (!ifc.isInterface()) {
                 throw new IllegalArgumentException(ifc + " is not an interface");
             }
             try {
@@ -63,7 +67,7 @@ public class AnnotationsHelper {
 
             }
         }
-        return result;
+        return new ArrayList<>(result.build());
     }
 
     /**
@@ -74,8 +78,8 @@ public class AnnotationsHelper {
      * @return list of found annotations
      */
     static <T extends Annotation> List<T> findClassAnnotationInSuperClassesAndIfcs(
-            Class<?> clazz, Class<T> annotationType, Set<Class<?>> interfaces) {
-        List<T> result = new ArrayList<T>();
+            final Class<?> clazz, final Class<T> annotationType, final Set<Class<?>> interfaces) {
+        List<T> result = new ArrayList<>();
         Class<?> declaringClass = clazz;
         do {
             T annotation = declaringClass.getAnnotation(annotationType);
@@ -83,10 +87,10 @@ public class AnnotationsHelper {
                 result.add(annotation);
             }
             declaringClass = declaringClass.getSuperclass();
-        } while (declaringClass.equals(Object.class) == false);
+        } while (!declaringClass.equals(Object.class));
         // inspect interfaces
         for (Class<?> ifc : interfaces) {
-            if (ifc.isInterface() == false) {
+            if (!ifc.isInterface()) {
                 throw new IllegalArgumentException(ifc + " is not an interface");
             }
             T annotation = ifc.getAnnotation(annotationType);
@@ -101,7 +105,7 @@ public class AnnotationsHelper {
      * @return empty string if no annotation is found, or list of descriptions
      *         separated by newline
      */
-    static String aggregateDescriptions(List<Description> descriptions) {
+    static String aggregateDescriptions(final List<Description> descriptions) {
         StringBuilder builder = new StringBuilder();
         for (Description d : descriptions) {
             if (builder.length() != 0) {