src/share/classes/javax/swing/JComponent.java

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--- 61,72 ----
  import javax.swing.event.*;
  import javax.swing.plaf.*;
  import static javax.swing.ClientPropertyKey.*;
  import javax.accessibility.*;
  
+ import sun.awt.AWTAccessor;
+ 
  import sun.swing.SwingUtilities2;
  import sun.swing.UIClientPropertyKey;
  
  /**
   * The base class for all Swing components except top-level containers.
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       */
      public boolean isValidateRoot() {
          return false;
      }
  
+     /**
+      * Invalidates this component and its ancestors.
+      *
+      * Unlike the super method ({@link java.awt.Container#invalidate}), this
+      * method stops invalidating the parents of this component when it
+      * encounters a {@code validate root} (see {@link #isValidateRoot}). The
+      * {@code validate root} becomes the last invalidated component in the
+      * hierarchy. A subsequent call to the {@code revalidate()} method will
+      * restore the validity of the hierarchy.
+      * <p>
+      * If this component is not contained within a {@code validate root}, then
+      * the behavior of this method does not differ from its super version.
+      *
+      * @since 1.7
+      * @see #revalidate
+      */
+     @Override
+     public void invalidate() {
+         synchronized (getTreeLock()) {
+             if (!isValidateRoot()) {
+                 super.invalidate();
+             } else {
+                 AWTAccessor.getComponentAccessor().invalidateImpl(this);
+             }
+         }
+     }
  
      /**
       * Returns true if this component tiles its children -- that is, if
       * it can guarantee that the children will not overlap.  The
       * repainting system is substantially more efficient in this