org.apache.jackrabbit.oak.run.HistoryCommand Maven / Gradle / Ivy
/*
* 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.run;
import static org.apache.jackrabbit.oak.segment.FileStoreHelper.isValidFileStoreOrFail;
import java.io.File;
import joptsimple.OptionParser;
import joptsimple.OptionSet;
import joptsimple.OptionSpec;
import org.apache.jackrabbit.oak.run.commons.Command;
import org.apache.jackrabbit.oak.segment.tool.History;
class HistoryCommand implements Command {
@Override
public void execute(String... args) throws Exception {
OptionParser parser = new OptionParser();
OptionSpec directoryArg = parser.nonOptions(
"Path to segment store (required)").ofType(File.class);
OptionSpec journalArg = parser.accepts(
"journal", "journal file").withRequiredArg().ofType(String.class)
.defaultsTo("journal.log");
OptionSpec pathArg = parser.accepts(
"path", "Path for which to trace the history").withRequiredArg().ofType(String.class)
.defaultsTo("/");
OptionSpec depthArg = parser.accepts(
"depth", "Depth up to which to dump node states").withRequiredArg().ofType(Integer.class)
.defaultsTo(0);
OptionSet options = parser.parse(args);
File directory = directoryArg.value(options);
if (directory == null) {
System.err.println("Trace the history of a path. Usage: history [File] ");
parser.printHelpOn(System.err);
System.exit(-1);
}
String path = pathArg.value(options);
int depth = depthArg.value(options);
String journalName = journalArg.value(options);
File journal = new File(isValidFileStoreOrFail(directory), journalName);
int returnCode = History.builder()
.withPath(directory)
.withJournal(journal)
.withNode(path)
.withDepth(depth)
.build()
.run();
System.exit(returnCode);
}
}