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From mreut...@apache.org
Subject svn commit: r232801 [2/2] - in /incubator/jackrabbit/trunk/core: applications/test/workspaces/default/ applications/test/workspaces/test/ src/java/org/apache/jackrabbit/core/ src/java/org/apache/jackrabbit/core/query/ src/java/org/apache/jackrabbit/cor...
Date Mon, 15 Aug 2005 12:12:14 GMT
Added: incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/query/ConcurrentQueryTest.java
URL: http://svn.apache.org/viewcvs/incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/query/ConcurrentQueryTest.java?rev=232801&view=auto
==============================================================================
--- incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/query/ConcurrentQueryTest.java
(added)
+++ incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/query/ConcurrentQueryTest.java
Mon Aug 15 05:11:52 2005
@@ -0,0 +1,254 @@
+/*
+ * 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.query;
+
+import org.apache.jackrabbit.test.AbstractJCRTest;
+
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.NodeIterator;
+import javax.jcr.Node;
+import javax.jcr.query.QueryManager;
+import javax.jcr.query.Query;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.Collections;
+import java.io.PrintWriter;
+
+/**
+ * Runs queries in one thread while another thread is modifying the workspace.
+ */
+public class ConcurrentQueryTest extends AbstractJCRTest {
+
+    /**
+     * Number of threads executing queries.
+     */
+    private static final int NUM_READERS = 1;
+
+    /**
+     * The read sessions executing the queries.
+     */
+    private List readSessions = new ArrayList();
+
+    /**
+     * Gets the read sessions for the test cases.
+     */
+    protected void setUp() throws Exception {
+        super.setUp();
+        for (int i = 0; i < NUM_READERS; i++) {
+            readSessions.add(helper.getReadOnlySession());
+        }
+    }
+
+    /**
+     * Logs out the sessions aquired in setUp().
+     */
+    protected void tearDown() throws Exception {
+        super.tearDown();
+        for (Iterator it = readSessions.iterator(); it.hasNext(); ) {
+            ((Session) it.next()).logout();
+        }
+    }
+
+    /**
+     * Writes 1000 nodes in transactions of 5 nodes to the workspace while
+     * other threads query the workspace. Query results must always return
+     * a consistent view of the workspace, that is:<br/>
+     * <code>result.numNodes % 5 == 0</code>
+     */
+    public void testConcurrentQueryWithWrite() throws Exception {
+
+        final List exceptions = Collections.synchronizedList(new ArrayList());
+        List readers = new ArrayList();
+        String query = "/jcr:root" + testRoot + "//*[@testprop = 'foo']";
+        for (Iterator it = readSessions.iterator(); it.hasNext(); ) {
+            Session s = (Session) it.next();
+            readers.add(new QueryWorker(s, query, exceptions, log));
+        }
+
+        Thread writer = new Thread() {
+            public void run() {
+                try {
+                    for (int i = 0; i < 20; i++) {
+                        Node n = testRootNode.addNode("node" + i);
+                        for (int j = 0; j < 10; j++) {
+                            Node n1 = n.addNode("node" + j);
+                            for (int k = 0; k < 5; k++) {
+                                n1.addNode("node" + k).setProperty("testprop", "foo");
+                            }
+                            testRootNode.save();
+                        }
+                    }
+                } catch (RepositoryException e) {
+                    exceptions.add(e);
+                }
+            }
+        };
+
+        // start the threads
+        writer.start();
+        for (Iterator it = readers.iterator(); it.hasNext(); ) {
+            ((Thread) it.next()).start();
+        }
+
+        // wait for writer thread to finish its work
+        writer.join();
+
+        // request readers to finish
+        for (Iterator it = readers.iterator(); it.hasNext(); ) {
+            QueryWorker t = (QueryWorker) it.next();
+            t.finish();
+            t.join();
+        }
+
+        // fail in case of exceptions
+        if (exceptions.size() > 0) {
+            fail(exceptions.get(0).toString());
+        }
+    }
+
+    /**
+     * Deletes 1000 nodes in transactions of 5 nodes while
+     * other threads query the workspace. Query results must always return
+     * a consistent view of the workspace, that is:<br/>
+     * <code>result.numNodes % 5 == 0</code>
+     */
+    public void testConcurrentQueryWithDeletes() throws Exception {
+
+        // create 1000 nodes
+        for (int i = 0; i < 20; i++) {
+            Node n = testRootNode.addNode("node" + i);
+            for (int j = 0; j < 10; j++) {
+                Node n1 = n.addNode("node" + j);
+                for (int k = 0; k < 5; k++) {
+                    n1.addNode("node" + k).setProperty("testprop", "foo");
+                }
+            }
+            testRootNode.save();
+        }
+
+        final List exceptions = Collections.synchronizedList(new ArrayList());
+        List readers = new ArrayList();
+        String query = "/jcr:root" + testRoot + "//*[@testprop = 'foo']";
+        for (Iterator it = readSessions.iterator(); it.hasNext(); ) {
+            Session s = (Session) it.next();
+            readers.add(new QueryWorker(s, query, exceptions, log));
+        }
+
+        Thread writer = new Thread() {
+            public void run() {
+                try {
+                    for (int i = 0; i < 20; i++) {
+                        Node n = testRootNode.getNode("node" + i);
+                        for (int j = 0; j < 10; j++) {
+                            Node n1 = n.getNode("node" + j);
+                            for (int k = 0; k < 5; k++) {
+                                n1.getNode("node" + k).remove();
+                            }
+                            testRootNode.save();
+                        }
+                    }
+                } catch (Exception e) {
+                    exceptions.add(e);
+                }
+            }
+        };
+
+        // start the threads
+        writer.start();
+        for (Iterator it = readers.iterator(); it.hasNext(); ) {
+            ((Thread) it.next()).start();
+        }
+
+        // wait for writer thread to finish its work
+        writer.join();
+
+        // request readers to finish
+        for (Iterator it = readers.iterator(); it.hasNext(); ) {
+            QueryWorker t = (QueryWorker) it.next();
+            t.finish();
+            t.join();
+        }
+
+        // fail in case of exceptions
+        if (exceptions.size() > 0) {
+            fail(exceptions.get(0).toString());
+        }
+    }
+
+    /**
+     * Executes queries in a separate thread.
+     */
+    private static final class QueryWorker extends Thread {
+
+        private Session s;
+        private String query;
+        private final List exceptions;
+        private final PrintWriter log;
+        private boolean finish = false;
+        private int count;
+
+        QueryWorker(Session s, String query, List exceptions, PrintWriter log) {
+            this.s = s;
+            this.query = query;
+            this.exceptions = exceptions;
+            this.log = log;
+        }
+
+        public void run() {
+            try {
+                // run the queries
+                QueryManager qm = s.getWorkspace().getQueryManager();
+                Query q = qm.createQuery(query, Query.XPATH);
+                for (;;) {
+                    long time = System.currentTimeMillis();
+                    NodeIterator nodes = q.execute().getNodes();
+                    long size = nodes.getSize();
+                    if (size == -1) {
+                        while (nodes.hasNext()) {
+                            size++;
+                            nodes.nextNode();
+                        }
+                    }
+                    time = System.currentTimeMillis() - time;
+                    log.println(getName() + ": num nodes:" + size +
+                            " executed in: " + time + " ms.");
+
+                    count++;
+                    if (size % 5 != 0) {
+                        exceptions.add(new Exception("number of result nodes must be divisible
by 5, but is: " + size));
+                    }
+                    // do not consume all cpu power
+                    Thread.sleep(10);
+                    synchronized (this) {
+                        if (finish) {
+                            break;
+                        }
+                    }
+                }
+            } catch (Exception e) {
+                exceptions.add(e);
+            }
+            System.out.println("Executed " + count + " queries");
+        }
+
+        public synchronized void finish() {
+            finish = true;
+        }
+    }
+}

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

Modified: incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/query/TestAll.java
URL: http://svn.apache.org/viewcvs/incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/query/TestAll.java?rev=232801&r1=232800&r2=232801&view=diff
==============================================================================
--- incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/query/TestAll.java
(original)
+++ incubator/jackrabbit/trunk/core/src/test/org/apache/jackrabbit/core/query/TestAll.java
Mon Aug 15 05:11:52 2005
@@ -44,6 +44,7 @@
         suite.addTestSuite(XPathAxisTest.class);
         suite.addTestSuite(SkipDeletedNodesTest.class);
         suite.addTestSuite(MassiveRangeTest.class);
+        suite.addTestSuite(ConcurrentQueryTest.class);
 
         return suite;
     }



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