| /* |
| * 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.remote; |
| |
| import static java.lang.Boolean.getBoolean; |
| |
| import org.apache.jackrabbit.oak.segment.remote.RemoteSegmentArchiveEntry; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.UUID; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| public final class RemoteUtilities { |
| public static final boolean OFF_HEAP = getBoolean("access.off.heap"); |
| public static final String SEGMENT_FILE_NAME_PATTERN = "^([0-9a-f]{4})\\.([0-9a-f-]+)$"; |
| |
| private static final Pattern PATTERN = Pattern.compile(SEGMENT_FILE_NAME_PATTERN); |
| |
| |
| private RemoteUtilities() { |
| } |
| |
| public static String getSegmentFileName(RemoteSegmentArchiveEntry indexEntry) { |
| return getSegmentFileName(indexEntry.getPosition(), indexEntry.getMsb(), indexEntry.getLsb()); |
| } |
| |
| public static String getSegmentFileName(long offset, long msb, long lsb) { |
| return String.format("%04x.%s", offset, new UUID(msb, lsb).toString()); |
| } |
| |
| public static UUID getSegmentUUID(@NotNull String segmentFileName) { |
| Matcher m = PATTERN.matcher(segmentFileName); |
| if (!m.matches()) { |
| return null; |
| } |
| return UUID.fromString(m.group(2)); |
| } |
| } |