modules/graphics/src/main/java/javafx/scene/layout/ConstraintsBase.java

*** 1,7 ****
  /*
!  * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 25,35 ****
  
  package javafx.scene.layout;
  
  import java.util.Iterator;
  
- import javafx.scene.Node;
  import javafx.scene.Parent;
  
  import com.sun.javafx.util.WeakReferenceQueue;
  
  /**
--- 25,34 ----
*** 46,73 ****
       * This allows an application to constrain a resizable node's size, which normally
       * has an unlimited max value, to its preferred size.
       */
      public static final double CONSTRAIN_TO_PREF = Double.NEGATIVE_INFINITY;
  
!      WeakReferenceQueue impl_nodes = new WeakReferenceQueue();
  
       ConstraintsBase() {
       }
  
       void add(Parent node) {
!          impl_nodes.add(node);
       }
  
      void remove(Parent node) {
!         impl_nodes.remove(node);
      }
  
       /**
        * Calls requestLayout on layout parent associated with this constraint object.
        */
       protected void requestLayout() {
!         Iterator<Parent> nodeIter = impl_nodes.iterator();
  
          while (nodeIter.hasNext()) {
              nodeIter.next().requestLayout();
          }
      }
--- 45,72 ----
       * This allows an application to constrain a resizable node's size, which normally
       * has an unlimited max value, to its preferred size.
       */
      public static final double CONSTRAIN_TO_PREF = Double.NEGATIVE_INFINITY;
  
!     private WeakReferenceQueue nodes = new WeakReferenceQueue();
  
      ConstraintsBase() {
      }
  
      void add(Parent node) {
!         nodes.add(node);
      }
  
      void remove(Parent node) {
!         nodes.remove(node);
      }
  
      /**
       * Calls requestLayout on layout parent associated with this constraint object.
       */
      protected void requestLayout() {
!         Iterator<Parent> nodeIter = nodes.iterator();
  
          while (nodeIter.hasNext()) {
              nodeIter.next().requestLayout();
          }
      }