| /* |
| * 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.upgrade.cli.node; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| |
| import org.apache.jackrabbit.oak.segment.RecordType; |
| import org.apache.jackrabbit.oak.segment.Segment; |
| import org.apache.jackrabbit.oak.segment.SegmentId; |
| import org.apache.jackrabbit.oak.segment.SegmentNodeStore; |
| import org.apache.jackrabbit.oak.segment.file.FileStore; |
| import org.apache.jackrabbit.oak.segment.file.ReadOnlyFileStore; |
| import org.apache.jackrabbit.oak.spi.state.ProxyNodeStore; |
| |
| public class FileStoreUtils { |
| private FileStoreUtils() { |
| |
| } |
| |
| public static Closeable asCloseable(final ReadOnlyFileStore fs) { |
| return new Closeable() { |
| @Override |
| public void close() throws IOException { |
| fs.close(); |
| } |
| }; |
| } |
| |
| public static Closeable asCloseable(final FileStore fs) { |
| return new Closeable() { |
| @Override |
| public void close() throws IOException { |
| fs.close(); |
| } |
| }; |
| } |
| |
| public static boolean hasExternalBlobReferences(ReadOnlyFileStore fs) { |
| try { |
| for (SegmentId id : fs.getSegmentIds()) { |
| if (!id.isDataSegmentId()) { |
| continue; |
| } |
| id.getSegment().forEachRecord(new Segment.RecordConsumer() { |
| @Override |
| public void consume(int number, RecordType type, int offset) { |
| // FIXME the consumer should allow to stop processing |
| // see java.nio.file.FileVisitor |
| if (type == RecordType.BLOB_ID) { |
| throw new ExternalBlobFound(); |
| } |
| } |
| }); |
| } |
| return false; |
| } catch (ExternalBlobFound e) { |
| return true; |
| } finally { |
| fs.close(); |
| } |
| } |
| |
| private static class ExternalBlobFound extends RuntimeException { |
| private static final long serialVersionUID = 1L; |
| } |
| |
| public static class NodeStoreWithFileStore extends ProxyNodeStore { |
| |
| private final SegmentNodeStore segmentNodeStore; |
| |
| private final FileStore fileStore; |
| |
| public NodeStoreWithFileStore(SegmentNodeStore segmentNodeStore, FileStore fileStore) { |
| this.segmentNodeStore = segmentNodeStore; |
| this.fileStore = fileStore; |
| } |
| |
| public FileStore getFileStore() { |
| return fileStore; |
| } |
| |
| @Override |
| public SegmentNodeStore getNodeStore() { |
| return segmentNodeStore; |
| } |
| } |
| } |