Use SerializableFunction, add serializable test (#210)

* Make classes serializable, add test

pom.xml

@@ -58,6 +58,13 @@
  <scope>provided</scope>
  </dependency>
 
+ <!-- Dependencies for the test -->
+ <dependency>
+ <groupId>com.vaadin</groupId>
+ <artifactId>flow-test-generic</artifactId>
+ <version>${flow.version}</version>
+ <scope>test</scope>
+ </dependency>
  <!-- Dependencies for the demo -->
  <dependency>
  <groupId>org.slf4j</groupId>

src/main/java/com/vaadin/flow/component/grid/AbstractRow.java

@@ -31,6 +31,7 @@
 import com.vaadin.flow.component.grid.AbstractRow.AbstractCell;
 import com.vaadin.flow.component.grid.Grid.Column;
 import com.vaadin.flow.dom.Element;
+import com.vaadin.flow.function.SerializableFunction;
 
 /**
  * Base class for header and footer rows
@@ -90,9 +91,9 @@ protected AbstractColumn<?> getColumn() {
  protected ColumnLayer layer;
  protected List<CELL> cells;
 
- private Function<AbstractColumn<?>, CELL> cellCtor;
+ private SerializableFunction<AbstractColumn<?>, CELL> cellCtor;
 
- AbstractRow(ColumnLayer layer, Function<AbstractColumn<?>, CELL> cellCtor) {
+ AbstractRow(ColumnLayer layer, SerializableFunction<AbstractColumn<?>, CELL> cellCtor) {
  this.layer = layer;
  this.cellCtor = cellCtor;
  cells = layer.getColumns().stream().map(cellCtor)

src/test/java/com/vaadin/flow/component/grid/GridSerializableTest.java

@@ -0,0 +1,14 @@
+package com.vaadin.flow.component.grid;
+
+import java.util.stream.Stream;
+
+import com.vaadin.flow.testutil.ClassesSerializableTest;
+
+public class GridSerializableTest extends ClassesSerializableTest {
+ @Override
+ protected Stream<String> getExcludedPatterns() {
+ return Stream.concat(super.getExcludedPatterns(),Stream.of(
+ "com\\.vaadin\\.flow\\.component\\.grid\\.it\\..*"
+ ));
+ }
+}