| /* |
| * 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<File> directoryArg = parser.nonOptions( |
| "Path to segment store (required)").ofType(File.class); |
| OptionSpec<String> journalArg = parser.accepts( |
| "journal", "journal file").withRequiredArg().ofType(String.class) |
| .defaultsTo("journal.log"); |
| OptionSpec<String> pathArg = parser.accepts( |
| "path", "Path for which to trace the history").withRequiredArg().ofType(String.class) |
| .defaultsTo("/"); |
| OptionSpec<Integer> 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] <options>"); |
| 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); |
| } |
| |
| } |