| /* |
| * 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.tool; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.io.File; |
| |
| import org.apache.jackrabbit.oak.backup.FileStoreRestore; |
| import org.apache.jackrabbit.oak.backup.impl.FileStoreRestoreImpl; |
| |
| /** |
| * Restore a backup of a segment store into an existing segment store. |
| */ |
| public class Restore { |
| |
| /** |
| * Create a builder for the {@link Restore} command. |
| * |
| * @return an instance of {@link Builder}. |
| */ |
| public static Builder builder() { |
| return new Builder(); |
| } |
| |
| /** |
| * Collect options for the {@link Restore} command. |
| */ |
| public static class Builder { |
| |
| private File source; |
| |
| private File target; |
| |
| private final FileStoreRestore fileStoreRestore = new FileStoreRestoreImpl(); |
| |
| private Builder() { |
| // Prevent external instantiation. |
| } |
| |
| /** |
| * The source path of the restore. This parameter is mandatory. |
| * |
| * @param source the source path of the restore. |
| * @return this builder. |
| */ |
| public Builder withSource(File source) { |
| this.source = checkNotNull(source); |
| return this; |
| } |
| |
| /** |
| * The target of the restore. This parameter is mandatory. |
| * |
| * @param target the target of the restore. |
| * @return this builder. |
| */ |
| public Builder withTarget(File target) { |
| this.target = checkNotNull(target); |
| return this; |
| } |
| |
| /** |
| * Create an executable version of the {@link Restore} command. |
| * |
| * @return an instance of {@link Runnable}. |
| */ |
| public Restore build() { |
| checkNotNull(source); |
| checkNotNull(target); |
| return new Restore(this); |
| } |
| |
| } |
| |
| private final File source; |
| |
| private final File target; |
| |
| private final FileStoreRestore fileStoreRestore; |
| |
| private Restore(Builder builder) { |
| this.source = builder.source; |
| this.target = builder.target; |
| this.fileStoreRestore = builder.fileStoreRestore; |
| } |
| |
| public int run() { |
| try { |
| fileStoreRestore.restore(source, target); |
| return 0; |
| } catch (Exception e) { |
| e.printStackTrace(System.err); |
| return 1; |
| } |
| } |
| |
| } |