| /* |
| * 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.oak.plugins.document; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.jackrabbit.oak.plugins.document.util.Utils; |
| import org.junit.Test; |
| |
| import com.google.common.collect.Maps; |
| |
| import static org.apache.jackrabbit.oak.plugins.document.Collection.NODES; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| /** |
| * Tests {@code MongoDocumentStore} with concurrent updates. |
| */ |
| public class MongoDocumentStoreIT extends AbstractMongoConnectionTest { |
| |
| private static final int NUM_THREADS = 3; |
| private static final int UPDATES_PER_THREAD = 10; |
| |
| @Test |
| public void concurrent() throws Exception { |
| final long time = System.currentTimeMillis(); |
| mk.commit("/", "+\"test\":{}", null, null); |
| final String id = Utils.getIdFromPath("/test"); |
| final DocumentStore docStore = mk.getDocumentStore(); |
| List<Thread> threads = new ArrayList<Thread>(); |
| for (int i = 0; i < NUM_THREADS; i++) { |
| final int tId = i; |
| threads.add(new Thread(new Runnable() { |
| @Override |
| public void run() { |
| Revision r = new Revision(time, tId, 0); |
| for (int i = 0; i < UPDATES_PER_THREAD; i++) { |
| UpdateOp update = new UpdateOp(id, false); |
| update.setMapEntry("prop", r, String.valueOf(i)); |
| docStore.createOrUpdate(NODES, update); |
| } |
| } |
| })); |
| } |
| final List<Exception> exceptions = new ArrayList<Exception>(); |
| final AtomicBoolean running = new AtomicBoolean(true); |
| Thread reader = new Thread(new Runnable() { |
| @Override |
| public void run() { |
| try { |
| Map<Revision, Integer> previous = Maps.newHashMap(); |
| while (running.get()) { |
| NodeDocument doc = docStore.find(NODES, id); |
| if (doc == null) { |
| throw new Exception("document is null"); |
| } |
| Map<Revision, String> values = doc.getValueMap("prop"); |
| for (Map.Entry<Revision, String> entry : values.entrySet()) { |
| Revision r = entry.getKey(); |
| Integer previousValue = previous.get(r); |
| Integer currentValue = Integer.parseInt(entry.getValue()); |
| if (previousValue != null && |
| previousValue > currentValue) { |
| throw new Exception("inconsistent read for " + |
| r + ". previous value: " + previousValue + |
| ", now: " + entry.getValue()); |
| } |
| // remember for next round |
| previous.put(r, currentValue); |
| } |
| Thread.yield(); |
| } |
| } catch (Exception e) { |
| exceptions.add(e); |
| } |
| } |
| }); |
| reader.start(); |
| for (Thread t : threads) { |
| t.start(); |
| } |
| for (Thread t : threads) { |
| t.join(); |
| } |
| running.set(false); |
| reader.join(); |
| for (Exception e : exceptions) { |
| throw e; |
| } |
| NodeDocument doc = docStore.find(NODES, id); |
| assertNotNull(doc); |
| Map<Revision, String> values = doc.getLocalMap("prop"); |
| assertNotNull(values); |
| for (Map.Entry<Revision, String> entry : values.entrySet()) { |
| assertEquals(String.valueOf(UPDATES_PER_THREAD - 1), entry.getValue()); |
| } |
| } |
| |
| @Test |
| public void concurrentLoop() throws Exception { |
| // run for 5 seconds |
| long end = System.currentTimeMillis() + TimeUnit.SECONDS.toMillis(5); |
| while (System.currentTimeMillis() < end) { |
| concurrent(); |
| tearDownConnection(); |
| setUpConnection(); |
| } |
| } |
| |
| @Test |
| public void negativeCache() throws Exception { |
| String id = Utils.getIdFromPath("/test"); |
| DocumentStore docStore = mk.getDocumentStore(); |
| assertNull(docStore.find(NODES, id)); |
| mk.commit("/", "+\"test\":{}", null, null); |
| assertNotNull(docStore.find(NODES, id)); |
| } |
| |
| @Test |
| public void modCount() throws Exception { |
| DocumentStore docStore = mk.getDocumentStore(); |
| String head = mk.commit("/", "+\"test\":{}", null, null); |
| mk.commit("/test", "^\"prop\":\"v1\"", head, null); |
| // make sure _lastRev is persisted and _modCount updated accordingly |
| mk.runBackgroundOperations(); |
| |
| NodeDocument doc = docStore.find(NODES, Utils.getIdFromPath("/test")); |
| assertNotNull(doc); |
| Long mc1 = doc.getModCount(); |
| assertNotNull(mc1); |
| try { |
| mk.commit("/test", "^\"prop\":\"v2\"", head, null); |
| fail(); |
| } catch (DocumentStoreException e) { |
| // expected |
| } |
| doc = docStore.find(NODES, Utils.getIdFromPath("/test")); |
| assertNotNull(doc); |
| Long mc2 = doc.getModCount(); |
| assertNotNull(mc2); |
| assertTrue(mc2 > mc1); |
| } |
| |
| // OAK-3556 |
| @Test |
| public void create() throws Exception { |
| DocumentStore store = mk.getDocumentStore(); |
| String id = Utils.getIdFromPath("/test"); |
| UpdateOp updateOp = new UpdateOp(id, true); |
| Revision r1 = Revision.newRevision(1); |
| updateOp.setMapEntry("p", r1, "a"); |
| Revision r2 = Revision.newRevision(1); |
| updateOp.setMapEntry("p", r2, "b"); |
| Revision r3 = Revision.newRevision(1); |
| updateOp.setMapEntry("p", r3, "c"); |
| assertTrue(store.create(NODES, Collections.singletonList(updateOp))); |
| |
| // maxCacheAge=0 forces loading from storage |
| NodeDocument doc = store.find(NODES, id, 0); |
| assertNotNull(doc); |
| Map<Revision, String> valueMap = doc.getValueMap("p"); |
| assertEquals(3, valueMap.size()); |
| } |
| |
| // OAK-3582 |
| @Test |
| public void createWithNull() throws Exception { |
| DocumentStore store = mk.getDocumentStore(); |
| String id = Utils.getIdFromPath("/test"); |
| UpdateOp updateOp = new UpdateOp(id, true); |
| Revision r1 = Revision.newRevision(1); |
| updateOp.setMapEntry("p", r1, "a"); |
| Revision r2 = Revision.newRevision(1); |
| updateOp.setMapEntry("p", r2, null); |
| Revision r3 = Revision.newRevision(1); |
| updateOp.setMapEntry("p", r3, "c"); |
| assertTrue(store.create(NODES, Collections.singletonList(updateOp))); |
| |
| // maxCacheAge=0 forces loading from storage |
| NodeDocument doc = store.find(NODES, id, 0); |
| assertNotNull(doc); |
| Map<Revision, String> valueMap = doc.getValueMap("p"); |
| assertEquals(3, valueMap.size()); |
| } |
| } |