Add reference to Column.setId in javadocs of methods accepting col ids (#8360)

server/src/main/java/com/vaadin/ui/Grid.java

@@ -2020,6 +2020,8 @@ public class Grid<T> extends AbstractListing<T> implements HasComponents,
     /**
      * Gets a {@link Column} of this grid by its identifying string.
      *
+     * @see Column#setId(String)
+     *
      * @param columnId
      *            the identifier of the column to get
      * @return the column corresponding to the given column identifier
@@ -2860,9 +2862,9 @@ public class Grid<T> extends AbstractListing<T> implements HasComponents,
     /**
      * Sets the sort order to use, given a {@link GridSortOrderBuilder}.
      * Shorthand for {@code setSortOrder(builder.build())}.
-     * 
+     *
      * @see GridSortOrderBuilder
-     * 
+     *
      * @param builder
      *            the sort builder to retrieve the sort order from
      * @throws NullPointerException
@@ -3188,6 +3190,8 @@ public class Grid<T> extends AbstractListing<T> implements HasComponents,
     /**
      * Sets a user-defined identifier for given column.
      *
+     * @see Column#setId(String)
+     *
      * @param column
      *            the column
      * @param id

server/src/main/java/com/vaadin/ui/components/grid/FooterRow.java

@@ -19,6 +19,7 @@ import java.io.Serializable;
 import java.util.Set;
 
 import com.vaadin.ui.Grid;
+import com.vaadin.ui.Grid.Column;
 
 /**
  * A footer row in a Grid.
@@ -31,6 +32,8 @@ public interface FooterRow extends Serializable {
     /**
      * Returns the cell on this row corresponding to the given column id.
      *
+     * @see Column#setId(String)
+     *
      * @param columnId
      *            the id of the column whose footer cell to get, not null
      * @return the footer cell

server/src/main/java/com/vaadin/ui/components/grid/HeaderRow.java

@@ -19,6 +19,7 @@ import java.io.Serializable;
 import java.util.Set;
 
 import com.vaadin.ui.Grid;
+import com.vaadin.ui.Grid.Column;
 
 /**
  * A header row in a Grid.
@@ -31,6 +32,8 @@ public interface HeaderRow extends Serializable {
     /**
      * Returns the cell on this row corresponding to the given column id.
      *
+     * @see Column#setId(String)
+     *
      * @param columnId
      *            the id of the column whose header cell to get, not null
      * @return the header cell

server/src/main/java/com/vaadin/ui/components/grid/StaticSection.java

@@ -173,6 +173,8 @@ public abstract class StaticSection<ROW extends StaticSection.StaticRow<?>>
          * Returns the cell in this section that corresponds to the given column
          * id.
          *
+         * @see Column#setId(String)
+         *
          * @param columnId
          *            the id of the column
          * @return the cell for the given column