Fix PropertyValueGenerator javadocs

Change-Id: I8a6bc3b5807f78f459cc9f9e2f02a55835370d7f

1 files changed, 6 insertions, 4 deletions

diff --git a/server/src/main/java/com/vaadin/data/util/PropertyValueGenerator.java b/server/src/main/java/com/vaadin/data/util/PropertyValueGenerator.java
index 453e45b1db..a09ab33d2d 100644
--- a/server/src/main/java/com/vaadin/data/util/PropertyValueGenerator.java
+++ b/server/src/main/java/com/vaadin/data/util/PropertyValueGenerator.java
@@ -58,10 +58,10 @@ public abstract class PropertyValueGenerator<T> implements Serializable {
     /**
      * Translates sorting of the generated property in a specific direction to a
      * set of property ids and directions in the underlying container.
-     * 
+     * <p>
      * SortOrder is similar to (or the same as) the SortOrder already defined
      * for Grid.
-     * 
+     * <p>
      * The default implementation of this method returns an empty array, which
      * means that the property will not be included in
      * getSortableContainerPropertyIds(). Attempting to sort by that column
@@ -80,17 +80,19 @@ public abstract class PropertyValueGenerator<T> implements Serializable {
     /**
      * Return an updated filter that should be compatible with the underlying
      * container.
-     * 
+     * <p>
      * This function is called when setting a filter for this generated
      * property. Returning null from this function causes
      * GeneratedPropertyContainer to discard the filter and not use it.
-     * 
+     * <p>
      * By default this function throws UnsupportedFilterException.
      * 
      * @param filter
      *            original filter for this property
      * @return modified filter that is compatible with the underlying container
      * @throws UnsupportedFilterException
+     *             if the implementation doesn't support modifying the provided
+     *             filter
      */
     public Filter modifyFilter(Filter filter) throws UnsupportedFilterException {
         throw new UnsupportedFilterException("Filter" + filter