Remove trailing spaces (#10224)

2 files changed, 37 insertions, 37 deletions

diff --git a/server/src/main/java/com/vaadin/data/provider/HierarchicalDataProvider.java b/server/src/main/java/com/vaadin/data/provider/HierarchicalDataProvider.java
index 8dabdce2cc..007256b109 100644
--- a/server/src/main/java/com/vaadin/data/provider/HierarchicalDataProvider.java
+++ b/server/src/main/java/com/vaadin/data/provider/HierarchicalDataProvider.java
@@ -34,12 +34,12 @@ public interface HierarchicalDataProvider<T, F> extends DataProvider<T, F> {
     /**
      * Get the number of immediate child data items for the parent item returned
      * by a given query.
-     * 
+     *
      * @param query
      *            given query to request the count for
      * @return the count of child data items for the data item
      *         {@link HierarchicalQuery#getParent()}
-     * 
+     *
      * @throws IllegalArgumentException
      *             if the query is not of type HierarchicalQuery
      */
@@ -56,11 +56,11 @@ public interface HierarchicalDataProvider<T, F> extends DataProvider<T, F> {
      * Fetches data from this HierarchicalDataProvider using given
      * {@code query}. Only the immediate children of
      * {@link HierarchicalQuery#getParent()} will be returned.
-     * 
+     *
      * @param query
      *            given query to request data with
      * @return a stream of data objects resulting from the query
-     * 
+     *
      * @throws IllegalArgumentException
      *             if the query is not of type HierarchicalQuery
      */
@@ -76,7 +76,7 @@ public interface HierarchicalDataProvider<T, F> extends DataProvider<T, F> {
     /**
      * Get the number of immediate child data items for the parent item returned
      * by a given query.
-     * 
+     *
      * @param query
      *            given query to request the count for
      * @return the count of child data items for the data item
@@ -88,7 +88,7 @@ public interface HierarchicalDataProvider<T, F> extends DataProvider<T, F> {
      * Fetches data from this HierarchicalDataProvider using given
      * {@code query}. Only the immediate children of
      * {@link HierarchicalQuery#getParent()} will be returned.
-     * 
+     *
      * @param query
      *            given query to request data with
      * @return a stream of data objects resulting from the query
@@ -97,7 +97,7 @@ public interface HierarchicalDataProvider<T, F> extends DataProvider<T, F> {
 
     /**
      * Check whether a given item has any children associated with it.
-     * 
+     *
      * @param item
      *            the item to check for children
      * @return whether the given item has children
diff --git a/server/src/main/java/com/vaadin/data/provider/HierarchyMapper.java b/server/src/main/java/com/vaadin/data/provider/HierarchyMapper.java
index 6b34bfa86c..a6ea2183fa 100644
--- a/server/src/main/java/com/vaadin/data/provider/HierarchyMapper.java
+++ b/server/src/main/java/com/vaadin/data/provider/HierarchyMapper.java
@@ -48,7 +48,7 @@ import elemental.json.JsonObject;
  *
  * @author Vaadin Ltd
  * @since 8.1
- * 
+ *
  * @param <T>
  *            the data type
  * @param <F>
@@ -71,7 +71,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Constructs a new HierarchyMapper.
-     * 
+     *
      * @param provider
      *            the hierarchical data provider for this mapper
      */
@@ -81,7 +81,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Returns the size of the currently expanded hierarchy.
-     * 
+     *
      * @return the amount of available data
      */
     public int getTreeSize() {
@@ -90,11 +90,11 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Finds the index of the parent of the item in given target index.
-     * 
+     *
      * @param item
      *            the item to get the parent of
      * @return the parent index or a negative value if the parent is not found
-     * 
+     *
      */
     public Integer getParentIndex(T item) {
         // TODO: This can be optimized.
@@ -104,7 +104,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Returns whether the given item is expanded.
-     * 
+     *
      * @param item
      *            the item to test
      * @return {@code true} if item is expanded; {@code false} if not
@@ -119,7 +119,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Expands the given item.
-     * 
+     *
      * @param item
      *            the item to expand
      * @param position
@@ -141,12 +141,12 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Collapses the given item.
-     * 
+     *
      * @param item
      *            the item to expand
      * @param position
      *            the index of item
-     * 
+     *
      * @return range of rows removed by collapsing the item
      */
     public Range doCollapse(T item, Optional<Integer> position) {
@@ -196,7 +196,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Gets the current item collapse allowed provider.
-     * 
+     *
      * @return the item collapse allowed provider
      */
     public ItemCollapseAllowedProvider<T> getItemCollapseAllowedProvider() {
@@ -205,7 +205,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Sets the current item collapse allowed provider.
-     * 
+     *
      * @param itemCollapseAllowedProvider
      *            the item collapse allowed provider
      */
@@ -216,7 +216,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Gets the current in-memory sorting.
-     * 
+     *
      * @return the in-memory sorting
      */
     public Comparator<T> getInMemorySorting() {
@@ -226,7 +226,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Sets the current in-memory sorting. This will cause the hierarchy to be
      * constructed again.
-     * 
+     *
      * @param inMemorySorting
      *            the in-memory sorting
      */
@@ -236,7 +236,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Gets the current back-end sorting.
-     * 
+     *
      * @return the back-end sorting
      */
     public List<QuerySortOrder> getBackEndSorting() {
@@ -246,7 +246,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Sets the current back-end sorting. This will cause the hierarchy to be
      * constructed again.
-     * 
+     *
      * @param backEndSorting
      *            the back-end sorting
      */
@@ -256,7 +256,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Gets the current filter.
-     * 
+     *
      * @return the filter
      */
     public F getFilter() {
@@ -266,7 +266,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Sets the current filter. This will cause the hierarchy to be constructed
      * again.
-     * 
+     *
      * @param filter
      *            the filter
      */
@@ -277,7 +277,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Gets the {@code HierarchicalDataProvider} for this
      * {@code HierarchyMapper}.
-     * 
+     *
      * @return the hierarchical data provider
      */
     public HierarchicalDataProvider<T, F> getDataProvider() {
@@ -286,7 +286,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Returns whether given item has children.
-     * 
+     *
      * @param item
      *            the node to test
      * @return {@code true} if node has children; {@code false} if not
@@ -300,7 +300,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Gets a stream of items in the form of a flattened hierarchy from the
      * back-end and filter the wanted results from the list.
-     * 
+     *
      * @param range
      *            the requested item range
      * @return the stream of items
@@ -312,7 +312,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Gets a stream of children for the given item in the form of a flattened
      * hierarchy from the back-end and filter the wanted results from the list.
-     * 
+     *
      * @param parent
      *            the parent item for the fetch
      * @param range
@@ -329,7 +329,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Generic method for finding direct children of a given parent, limited by
      * given range.
-     * 
+     *
      * @param parent
      *            the parent
      * @param range
@@ -361,7 +361,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
      * Removes all children of an item identified by a given id. Items removed
      * by this method as well as the original item are all marked to be
      * collapsed.
-     * 
+     *
      * @param id
      *            the item id
      */
@@ -387,7 +387,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Finds the current index of given object. This is based on a search in
      * flattened version of the hierarchy.
-     * 
+     *
      * @param target
      *            the target object to find
      * @return optional index of given object
@@ -405,7 +405,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Gets the full hierarchy tree starting from given node.
-     * 
+     *
      * @param parent
      *            the parent node to start from
      * @return the flattened hierarchy as a stream
@@ -417,7 +417,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Getst hte full hierarchy tree starting from given node. The starting node
      * can be omitted.
-     * 
+     *
      * @param parent
      *            the parent node to start from
      * @param includeParent
@@ -431,7 +431,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Gets the stream of direct children for given node.
-     * 
+     *
      * @param parent
      *            the parent node
      * @return the stream of direct children
@@ -445,7 +445,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
      * The method to recursively fetch the children of given parent. Used with
      * {@link Stream#flatMap} to expand a stream of parent nodes into a
      * flattened hierarchy.
-     * 
+     *
      * @param parent
      *            the parent node
      * @return the stream of all children under the parent, includes the parent
@@ -458,7 +458,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
      * The method to recursively fetch the children of given parent. Used with
      * {@link Stream#flatMap} to expand a stream of parent nodes into a
      * flattened hierarchy.
-     * 
+     *
      * @param parent
      *            the parent node
      * @param includeParent
@@ -487,7 +487,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
      * Helper method for combining parent and a stream of children into one
      * stream. {@code null} item is never included, and parent can be skipped by
      * providing the correct value for {@code includeParent}.
-     * 
+     *
      * @param parent
      *            the parent node
      * @param children