/*
* 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.segment;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertNotNull;
import static junit.framework.Assert.assertTrue;
import java.util.concurrent.TimeUnit;
import org.apache.jackrabbit.oak.api.CommitFailedException;
import org.apache.jackrabbit.oak.plugins.segment.memory.MemoryStore;
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 {
SegmentNodeStore store = new SegmentNodeStore(new MemoryStore());
addTestNode(store, "test-checkpoint");
verifyNS(store, true);
rmTestNode(store, "test-checkpoint");
verifyNS(store, false);
// gc?
store.retrieve(new SegmentIdFactory().newDataSegmentId().toString());
}
private static void 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());
}
}
private static void addTestNode(NodeStore store, String name)
throws CommitFailedException {
NodeBuilder builder = store.getRoot().builder();
builder.child(name);
store.merge(builder, EmptyHook.INSTANCE, null);
}
private static void rmTestNode(NodeStore store, String name)
throws CommitFailedException {
NodeBuilder builder = store.getRoot().builder();
builder.child(name).remove();
store.merge(builder, EmptyHook.INSTANCE, null);
}
}