jdk8 compilation

python/src/com/jetbrains/python/refactoring/classes/membersManager/MembersManager.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2000-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package com.jetbrains.python.refactoring.classes.membersManager;
 
 import com.google.common.base.Function;
@@ -97,13 +112,14 @@ public abstract class MembersManager<T extends PyElement> implements Function<T,
   @SuppressWarnings({"unchecked", "rawtypes"}) //We check classes at runtime
   private static void moveSafely(
     @NotNull final PyClass from,
-    @NotNull final MembersManager manager,
+    @NotNull final MembersManager<?> manager,
     @NotNull final Collection<PyElement> elementsToMove,
     @NotNull final PyClass... to) {
     manager.checkElementTypes(elementsToMove);
 
-    for (final Object element : manager.getElementsToStoreReferences(elementsToMove)) {
-      PyClassRefactoringUtil.rememberNamedReferences((PyElement)element, PyNames.CANONICAL_SELF); //"self" is not reference we need to move
+    Collection<? extends PyElement> references = manager.getElementsToStoreReferences((Collection)elementsToMove);
+    for (final PyElement element : references) {
+      PyClassRefactoringUtil.rememberNamedReferences(element, PyNames.CANONICAL_SELF); //"self" is not reference we need to move
     }
 
     final Collection<PyElement> newElements = manager.moveMembers(from, (Collection)elementsToMove, to);