svn commit: r550724 - /jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ReadVersionsWhileModified.java

[mr...@apache.org]

Author: mreutegg
Date: Tue Jun 26 00:59:00 2007
New Revision: 550724

URL: http://svn.apache.org/viewvc?view=rev&rev=550724
Log:
JCR-18: Multithreading issue with versioning
- test case

Added:
    jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ReadVersionsWhileModified.java   (with props)

Added: jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ReadVersionsWhileModified.java
URL: http://svn.apache.org/viewvc/jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ReadVersionsWhileModified.java?view=auto&rev=550724
==============================================================================
--- jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ReadVersionsWhileModified.java (added)
+++ jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ReadVersionsWhileModified.java Tue Jun 26 00:59:00 2007
@@ -0,0 +1,67 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.jackrabbit.core;
+
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.Node;
+import javax.jcr.version.VersionHistory;
+import javax.jcr.version.Version;
+
+/**
+ * <code>ReadVersionsWhileModified</code> tests if version history can be read
+ * consistently while it is modified by another thread.
+ * <p/>
+ * This is a test case for: <a href="http://issues.apache.org/jira/browse/JCR-18">
+ * JCR-18</a>
+ */
+public class ReadVersionsWhileModified extends AbstractConcurrencyTest {
+
+    private static final int RUN_NUM_SECONDS = 20;
+
+    public void testVersionHistory() throws RepositoryException {
+        final Node n = testRootNode.addNode(nodeName1);
+        n.addMixin(mixVersionable);
+        testRootNode.save();
+        final Session s = helper.getSuperuserSession();
+        Thread t = new Thread(new Runnable() {
+            public void run() {
+                long end = System.currentTimeMillis() + RUN_NUM_SECONDS * 1000;
+                try {
+                    Node vn = (Node) s.getItem(n.getPath());
+                    while (end > System.currentTimeMillis()) {
+                        vn.checkout();
+                        vn.checkin();
+                    }
+                } catch (RepositoryException e) {
+                    e.printStackTrace();
+                } finally  {
+                    s.logout();
+                }
+            }
+        });
+        t.start();
+        VersionHistory vh = n.getVersionHistory();
+        while (t.isAlive()) {
+            // walk version history
+            Version v = vh.getRootVersion();
+            while (v.getSuccessors().length > 0) {
+                v = v.getSuccessors()[0];
+            }
+        }
+    }
+}

Propchange: jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ReadVersionsWhileModified.java
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