| /* |
| * 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.Map; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.jackrabbit.oak.plugins.document.UpdateOp.Key; |
| import org.apache.jackrabbit.oak.plugins.document.UpdateOp.Operation; |
| import org.apache.jackrabbit.oak.plugins.document.memory.MemoryDocumentStore; |
| import org.apache.jackrabbit.oak.spi.commit.CommitInfo; |
| import org.apache.jackrabbit.oak.spi.commit.EmptyHook; |
| import org.apache.jackrabbit.oak.spi.state.NodeBuilder; |
| import org.apache.jackrabbit.oak.spi.state.NodeState; |
| import org.apache.jackrabbit.oak.spi.state.NodeStore; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import static org.apache.jackrabbit.oak.plugins.document.TestUtils.isFinalCommitRootUpdate; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Test for OAK-3903 |
| */ |
| public class CommitRootUpdateTest { |
| |
| @Rule |
| public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider(); |
| |
| @Test |
| public void exceptionOnUpdate() throws Exception { |
| final AtomicBoolean throwAfterUpdate = new AtomicBoolean(false); |
| MemoryDocumentStore store = new MemoryDocumentStore() { |
| @Override |
| public <T extends Document> T findAndUpdate(Collection<T> collection, |
| UpdateOp update) { |
| T doc = super.findAndUpdate(collection, update); |
| if (isFinalCommitRootUpdate(update) && |
| throwAfterUpdate.compareAndSet(true, false)) { |
| throw new RuntimeException("communication failure"); |
| } |
| return doc; |
| } |
| }; |
| |
| DocumentNodeStore ns = builderProvider.newBuilder() |
| .setDocumentStore(store).setAsyncDelay(0).getNodeStore(); |
| NodeBuilder b = ns.getRoot().builder(); |
| b.child("foo"); |
| b.child("bar"); |
| merge(ns, b); |
| |
| throwAfterUpdate.set(true); |
| boolean success = false; |
| Commit c = ns.newCommit(changes -> { |
| changes.addNode(Path.fromString("/foo/node")); |
| changes.addNode(Path.fromString("/bar/node")); |
| }, ns.getHeadRevision(), null); |
| try { |
| c.apply(); |
| success = true; |
| } finally { |
| if (success) { |
| ns.done(c, false, CommitInfo.EMPTY); |
| } else { |
| ns.canceled(c); |
| } |
| } |
| |
| NodeState root = ns.getRoot(); |
| assertTrue(root.getChildNode("foo").getChildNode("node").exists()); |
| assertTrue(root.getChildNode("bar").getChildNode("node").exists()); |
| assertFalse(throwAfterUpdate.get()); |
| } |
| |
| @Test |
| public void exceptionOnSingleUpdate() throws Exception { |
| final AtomicBoolean throwAfterUpdate = new AtomicBoolean(false); |
| MemoryDocumentStore store = new MemoryDocumentStore(true) { |
| @Override |
| public <T extends Document> T findAndUpdate(Collection<T> collection, |
| UpdateOp update) { |
| T doc = super.findAndUpdate(collection, update); |
| if (isCommitRootUpdate(update) && |
| throwAfterUpdate.compareAndSet(true, false)) { |
| throw new DocumentStoreException("communication failure"); |
| } |
| return doc; |
| } |
| |
| private boolean isCommitRootUpdate(UpdateOp update) { |
| boolean isCommitRootUpdate = false; |
| for (Map.Entry<Key, Operation> op : update.getChanges().entrySet()) { |
| String name = op.getKey().getName(); |
| if (NodeDocument.isRevisionsEntry(name)) { |
| isCommitRootUpdate = true; |
| break; |
| } |
| } |
| return isCommitRootUpdate; |
| } |
| }; |
| |
| DocumentNodeStore ns = builderProvider.newBuilder() |
| .setDocumentStore(store).setAsyncDelay(0).getNodeStore(); |
| NodeBuilder b = ns.getRoot().builder(); |
| b.child("foo"); |
| merge(ns, b); |
| |
| throwAfterUpdate.set(true); |
| boolean success = false; |
| Commit c = ns.newCommit( |
| changes -> changes.updateProperty(Path.fromString("/foo"), "p", "1"), |
| ns.getHeadRevision(), null); |
| try { |
| c.apply(); |
| success = true; |
| } finally { |
| if (success) { |
| ns.done(c, false, CommitInfo.EMPTY); |
| } else { |
| ns.canceled(c); |
| } |
| } |
| |
| NodeState root = ns.getRoot(); |
| assertTrue(root.getChildNode("foo").hasProperty("p")); |
| assertFalse(throwAfterUpdate.get()); |
| } |
| |
| private NodeState merge(NodeStore store, NodeBuilder builder) |
| throws Exception { |
| return store.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY); |
| } |
| } |