From 7ee4a17e64c9cd6bea335950d71a046274409cca Mon Sep 17 00:00:00 2001
From: Leif Åstrand <leif@vaadin.com>
Date: Mon, 22 Aug 2011 14:39:48 +0000
Subject: #7065 ConcurrentModificationException in
 AbstractWebApplicationContext.endTransaction() and startTransaction()

svn changeset:20545/svn branch:6.7
---
 .../RemoveTransactionListener.java                 | 78 ++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 tests/src/com/vaadin/tests/applicationcontext/RemoveTransactionListener.java

(limited to 'tests')

diff --git a/tests/src/com/vaadin/tests/applicationcontext/RemoveTransactionListener.java b/tests/src/com/vaadin/tests/applicationcontext/RemoveTransactionListener.java
new file mode 100644
index 0000000000..8723e23a2a
--- /dev/null
+++ b/tests/src/com/vaadin/tests/applicationcontext/RemoveTransactionListener.java
@@ -0,0 +1,78 @@
+package com.vaadin.tests.applicationcontext;
+
+import com.vaadin.Application;
+import com.vaadin.service.ApplicationContext;
+import com.vaadin.service.ApplicationContext.TransactionListener;
+import com.vaadin.tests.components.TestBase;
+import com.vaadin.tests.util.Log;
+
+public class RemoveTransactionListener extends TestBase {
+
+    private final Log log = new Log(10);
+
+    @Override
+    protected void setup() {
+        // Add one listener that will remove itself from within transactionEnd
+        getMainWindow().getApplication().getContext()
+                .addTransactionListener(new TransactionListener() {
+                    public void transactionStart(Application application,
+                            Object transactionData) {
+                    }
+
+                    public void transactionEnd(Application application,
+                            Object transactionData) {
+                        removeListener(this);
+                        log.log("Listener removed in transactionEnd");
+                    }
+                });
+
+        // Add one listener that will remove itself from within transactionStart
+        getMainWindow().getApplication().getContext()
+                .addTransactionListener(new TransactionListener() {
+                    public void transactionStart(Application application,
+                            Object transactionData) {
+                        removeListener(this);
+                        log.log("Listener removed in transactionStart");
+                    }
+
+                    public void transactionEnd(Application application,
+                            Object transactionData) {
+                    }
+                });
+
+        // Add one listener to verify that all listeners are called, as thrown
+        // ConcurrentModificationException causes subsequent listeners to be
+        // ignored
+        getMainWindow().getApplication().getContext()
+                .addTransactionListener(new TransactionListener() {
+                    public void transactionStart(Application application,
+                            Object transactionData) {
+                        log.log("transactionStart from last listener");
+                    }
+
+                    public void transactionEnd(Application application,
+                            Object transactionData) {
+                        log.log("transactionEnd from last listener");
+                    }
+                });
+
+        addComponent(log);
+    }
+
+    private void removeListener(TransactionListener l) {
+        ApplicationContext context = getMainWindow().getApplication()
+                .getContext();
+        context.removeTransactionListener(l);
+    }
+
+    @Override
+    protected String getDescription() {
+        return "Tests that a transaction listener can be removed from within the listener.";
+    }
+
+    @Override
+    protected Integer getTicketNumber() {
+        return Integer.valueOf(7065);
+    }
+
+}
-- 
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