| /* |
| * 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.segment; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.jackrabbit.oak.api.CommitFailedException; |
| import org.apache.jackrabbit.oak.segment.memory.MemoryStore; |
| 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.Test; |
| |
| public class CheckpointTest { |
| |
| @Test |
| public void testCheckpoint() throws CommitFailedException, IOException { |
| SegmentNodeStore store = SegmentNodeStoreBuilders.builder(new MemoryStore()).build(); |
| addTestNode(store, "test-checkpoint"); |
| verifyNS(store, true); |
| rmTestNode(store, "test-checkpoint"); |
| verifyNS(store, false); |
| |
| // gc? |
| store.retrieve("missing-checkpoint"); |
| } |
| |
| @Test |
| public void testRelease() throws CommitFailedException, IOException { |
| SegmentNodeStore store = SegmentNodeStoreBuilders.builder(new MemoryStore()).build(); |
| addTestNode(store, "test-checkpoint"); |
| String cp = verifyNS(store, true); |
| |
| store.release(cp); |
| assertNull(store.retrieve(cp)); |
| |
| } |
| |
| private static String verifyNS(SegmentNodeStore store, boolean exists) { |
| String cp = store.checkpoint(TimeUnit.HOURS.toMillis(1)); |
| assertNotNull("Checkpoint must not be null", cp); |
| |
| NodeState cpns = store.retrieve(cp); |
| assertNotNull(cpns); |
| if (exists) { |
| assertTrue("Node doesn't exist in checkpoint", |
| cpns.getChildNode("test-checkpoint").exists()); |
| } else { |
| assertFalse("Node shouldn't exist in checkpoint", cpns |
| .getChildNode("test-checkpoint").exists()); |
| } |
| return cp; |
| } |
| |
| private static void addTestNode(NodeStore store, String name) |
| throws CommitFailedException { |
| NodeBuilder builder = store.getRoot().builder(); |
| builder.child(name); |
| store.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY); |
| } |
| |
| private static void rmTestNode(NodeStore store, String name) |
| throws CommitFailedException { |
| NodeBuilder builder = store.getRoot().builder(); |
| builder.child(name).remove(); |
| store.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY); |
| } |
| |
| @Test |
| public void testCheckpointMax() throws CommitFailedException, IOException { |
| SegmentNodeStore store = SegmentNodeStoreBuilders.builder( |
| new MemoryStore()).build(); |
| String cp0 = store.checkpoint(Long.MAX_VALUE); |
| String cp1 = store.checkpoint(Long.MAX_VALUE); |
| assertNotNull(store.retrieve(cp0)); |
| assertNotNull(store.retrieve(cp1)); |
| } |
| } |