Redefined UI.runSafely so it throws an exception if session can't be locked (#11219)

Change-Id: I300bfb25c4040d0df18d3a11594efe2ce6b0679d

1 files changed, 42 insertions, 0 deletions

diff --git a/server/src/com/vaadin/ui/UIDetachedException.java b/server/src/com/vaadin/ui/UIDetachedException.java
new file mode 100644
index 0000000000..07207b0bf3
--- /dev/null
+++ b/server/src/com/vaadin/ui/UIDetachedException.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2000-2013 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.ui;
+
+/**
+ * Exception thrown if the UI has been detached when it should not be.
+ * 
+ * @author Vaadin Ltd
+ * @since 7.1
+ */
+public class UIDetachedException extends RuntimeException {
+
+    public UIDetachedException() {
+        super();
+    }
+
+    public UIDetachedException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public UIDetachedException(String message) {
+        super(message);
+    }
+
+    public UIDetachedException(Throwable cause) {
+        super(cause);
+    }
+
+}