Implement hashCode() when implementing equals()

2 files changed, 21 insertions, 0 deletions

diff --git a/client/src/main/java/com/vaadin/client/WidgetUtil.java b/client/src/main/java/com/vaadin/client/WidgetUtil.java
index c9e49f13c0..3390881b72 100644
--- a/client/src/main/java/com/vaadin/client/WidgetUtil.java
+++ b/client/src/main/java/com/vaadin/client/WidgetUtil.java
@@ -1565,6 +1565,15 @@ public class WidgetUtil {
             return false;
         }
 
+        @Override
+        public int hashCode() {
+            final int prime = 31;
+            int result = 1;
+            result = prime * result + (int) value;
+            result = prime * result + ((unit == null) ? 0 : unit.hashCode());
+            return result;
+        }
+
         /**
          * Check whether the two sizes are equals.
          *
diff --git a/client/src/main/java/com/vaadin/client/ui/VComboBox.java b/client/src/main/java/com/vaadin/client/ui/VComboBox.java
index 93ac755ee1..ebb993702c 100644
--- a/client/src/main/java/com/vaadin/client/ui/VComboBox.java
+++ b/client/src/main/java/com/vaadin/client/ui/VComboBox.java
@@ -229,6 +229,18 @@ public class VComboBox extends Composite implements Field, KeyDownHandler,
             }
             return true;
         }
+
+        @Override
+        public int hashCode() {
+            final int prime = 31;
+            int result = 1;
+            result = prime * result + VComboBox.this.hashCode();
+            result = prime * result + ((key == null) ? 0 : key.hashCode());
+            result = prime * result + ((caption == null) ? 0 : caption.hashCode());
+            result = prime * result + ((untranslatedIconUri == null) ? 0 : untranslatedIconUri.hashCode());
+            result = prime * result + ((style == null) ? 0 : style.hashCode());
+            return result;
+        }
     }
 
     /** An inner class that handles all logic related to mouse wheel. */