| /* |
| * 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.pulsar.broker.namespace; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static org.apache.pulsar.common.policies.data.Policies.LAST_BOUNDARY; |
| import com.google.common.collect.BoundType; |
| import com.google.common.collect.Range; |
| import org.apache.pulsar.common.naming.NamespaceBundle; |
| import org.apache.pulsar.common.naming.NamespaceBundleFactory; |
| import org.apache.pulsar.common.naming.NamespaceName; |
| |
| /** |
| * This class encapsulate some utility functions for |
| * <code>ServiceUnit</code> related metadata operations. |
| */ |
| public final class ServiceUnitUtils { |
| /** |
| * <code>ZooKeeper</code> root path for namespace ownership info. |
| */ |
| private static final String OWNER_INFO_ROOT = "/namespace"; |
| |
| static String path(NamespaceBundle suname) { |
| // The ephemeral node path for new namespaces should always have bundle name appended |
| return OWNER_INFO_ROOT + "/" + suname.toString(); |
| } |
| |
| public static NamespaceBundle suBundleFromPath(String path, NamespaceBundleFactory factory) { |
| String[] parts = path.split("/"); |
| checkArgument(parts.length > 2); |
| checkArgument(parts[1].equals("namespace")); |
| checkArgument(parts.length > 4); |
| |
| if (parts.length > 5) { |
| // this is a V1 path prop/cluster/namespace/hash |
| Range<Long> range = getHashRange(parts[5]); |
| return factory.getBundle(NamespaceName.get(parts[2], parts[3], parts[4]), range); |
| } else { |
| // this is a V2 path prop/namespace/hash |
| Range<Long> range = getHashRange(parts[4]); |
| return factory.getBundle(NamespaceName.get(parts[2], parts[3]), range); |
| } |
| } |
| |
| private static Range<Long> getHashRange(String rangePathPart) { |
| String[] endPoints = rangePathPart.split("_"); |
| checkArgument(endPoints.length == 2, "Malformed bundle hash range path part:" + rangePathPart); |
| Long startLong = Long.decode(endPoints[0]); |
| Long endLong = Long.decode(endPoints[1]); |
| BoundType endType = (endPoints[1].equals(LAST_BOUNDARY)) ? BoundType.CLOSED : BoundType.OPEN; |
| return Range.range(startLong, BoundType.CLOSED, endLong, endType); |
| } |
| } |