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From mreut...@apache.org
Subject svn commit: r209609 - /incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/ConcurrentSaveTest.java
Date Thu, 07 Jul 2005 15:21:11 GMT
Author: mreutegg
Date: Thu Jul  7 08:21:09 2005
New Revision: 209609

URL: http://svn.apache.org/viewcvs?rev=209609&view=rev
Log:
JCR-164: SharedItemStateManager not properly synchronized
- add test case for concurrency issue

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

Added: incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/ConcurrentSaveTest.java
URL: http://svn.apache.org/viewcvs/incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/ConcurrentSaveTest.java?rev=209609&view=auto
==============================================================================
--- incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/ConcurrentSaveTest.java
(added)
+++ incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/ConcurrentSaveTest.java
Thu Jul  7 08:21:09 2005
@@ -0,0 +1,119 @@
+/*
+ * Copyright 2004-2005 The Apache Software Foundation or its licensors,
+ *                     as applicable.
+ *
+ * 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 org.apache.jackrabbit.core;
+
+import org.apache.jackrabbit.test.AbstractJCRTest;
+import org.apache.log4j.Logger;
+
+import javax.jcr.Session;
+import javax.jcr.Node;
+import javax.jcr.Value;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Performs a test with two threads. One thread adds nodes to the testRootNode
+ * and sets a property. The second thread removes the property as soon as it
+ * sees a newly created node.
+ */
+public class ConcurrentSaveTest extends AbstractJCRTest {
+
+    /** logger instance */
+    private static final Logger log = Logger.getLogger(ConcurrentSaveTest.class);
+
+    private final int NUM_NODES = 1000;
+    private Session addNodeSession;
+    private Session removePropertySession;
+
+    protected void setUp() throws Exception {
+        super.setUp();
+        addNodeSession = helper.getSuperuserSession();
+        removePropertySession = helper.getSuperuserSession();
+    }
+
+    protected void tearDown() throws Exception {
+        try {
+            if (addNodeSession != null) {
+                addNodeSession.logout();
+            }
+            if (removePropertySession != null) {
+                removePropertySession.logout();
+            }
+        } finally {
+            super.tearDown();
+        }
+    }
+
+    /**
+     * Runs the test.
+     */
+    public void testConcurrentSave() throws Exception {
+
+        final String path = testPath;
+        final List exceptions = new ArrayList();
+
+        Thread addNodeWorker = new Thread() {
+            public void run() {
+                try {
+                    Node testNode = addNodeSession.getRootNode().getNode(path);
+                    for (int i = 0; i < NUM_NODES; i++) {
+                        Node n = testNode.addNode("node" + i);
+                        n.setProperty("foo", "some text");
+                        log.info("creating node: node" + i);
+                        testNode.save();
+                        log.info("created node: node" + i);
+                        // give other thread a chance to catch up
+                        yield();
+                    }
+                } catch (Exception e) {
+                    exceptions.add(e);
+                }
+            }
+        };
+
+        Thread removePropertyWorker = new Thread() {
+            public void run() {
+                try {
+                    Node rootNode = removePropertySession.getRootNode().getNode(path);
+                    for (int i = 0; i < NUM_NODES; i++) {
+                        // wait for node to be created
+                        while (!rootNode.hasNode("node" + i)) {
+                            Thread.sleep(0, 50);
+                        }
+                        Node n = rootNode.getNode("node" + i);
+                        // remove property
+                        n.setProperty("foo", (Value) null);
+                        log.info("removing property from node: node" + i);
+                        n.save();
+                        log.info("property removed from node: node" + i);
+                    }
+                } catch (Exception e) {
+                    exceptions.add(e);
+                }
+            }
+        };
+
+        addNodeWorker.start();
+        removePropertyWorker.start();
+        addNodeWorker.join();
+        removePropertyWorker.join();
+
+        if (exceptions.size() > 0) {
+            throw (Exception) exceptions.get(0);
+        }
+    }
+}

Propchange: incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/ConcurrentSaveTest.java
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    svn:eol-style = native



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