| /* |
| * 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.List; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import com.google.common.util.concurrent.MoreExecutors; |
| |
| 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.jetbrains.annotations.NotNull; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class PrefetchDispatcherTest { |
| |
| @Rule |
| public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider(); |
| |
| @Test |
| public void prefetchVisibleChanges() throws Exception { |
| final AtomicInteger numQueries = new AtomicInteger(); |
| MemoryDocumentStore store = new MemoryDocumentStore() { |
| @NotNull |
| @Override |
| public <T extends Document> List<T> query(Collection<T> collection, |
| String fromKey, |
| String toKey, |
| int limit) { |
| if (collection == Collection.NODES) { |
| numQueries.incrementAndGet(); |
| } |
| return super.query(collection, fromKey, toKey, limit); |
| } |
| }; |
| DocumentNodeStore ns1 = builderProvider.newBuilder() |
| .setDocumentStore(store).setClusterId(1) |
| .setPrefetchExternalChanges(false) |
| .setAsyncDelay(0).getNodeStore(); |
| DocumentNodeStore ns2 = builderProvider.newBuilder() |
| .setDocumentStore(store).setClusterId(2) |
| .setPrefetchExternalChanges(false) |
| .setAsyncDelay(0).getNodeStore(); |
| |
| NodeBuilder builder = ns1.getRoot().builder(); |
| builder.child("foo").child("bar").child("baz"); |
| builder.child(":hidden").child("foo").child("bar"); |
| ns1.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY); |
| ns1.runBackgroundOperations(); |
| |
| DocumentNodeState before = ns2.getRoot(); |
| ns2.runBackgroundOperations(); |
| DocumentNodeState after = ns2.getRoot().fromExternalChange(); |
| |
| PrefetchDispatcher dispatcher = new PrefetchDispatcher( |
| before, MoreExecutors.sameThreadExecutor()); |
| numQueries.set(0); |
| dispatcher.contentChanged(after, CommitInfo.EMPTY_EXTERNAL); |
| // expect two queries for children: below /foo and /foo/bar |
| assertEquals(2, numQueries.get()); |
| } |
| } |