| /** |
| * 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.resources; |
| |
| import java.util.HashSet; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.function.Function; |
| import org.apache.pulsar.bookie.rackawareness.BookieRackAffinityMapping; |
| import org.apache.pulsar.common.policies.data.BookiesRackConfiguration; |
| import org.apache.pulsar.metadata.api.MetadataStore; |
| |
| public class BookieResources extends BaseResources<BookiesRackConfiguration> { |
| |
| private static final String AVAILABLE_BOOKIES_ROOT = "/ledgers/available"; |
| |
| public BookieResources(MetadataStore store, int operationTimeoutSec) { |
| super(store, BookiesRackConfiguration.class, operationTimeoutSec); |
| } |
| |
| public CompletableFuture<Optional<BookiesRackConfiguration>> get() { |
| return getAsync(BookieRackAffinityMapping.BOOKIE_INFO_ROOT_PATH); |
| } |
| |
| public CompletableFuture<Void> update(Function<Optional<BookiesRackConfiguration>, |
| BookiesRackConfiguration> modifyFunction) { |
| return getCache().readModifyUpdateOrCreate(BookieRackAffinityMapping.BOOKIE_INFO_ROOT_PATH, |
| modifyFunction).thenApply(__ -> null); |
| } |
| |
| public CompletableFuture<Set<String>> listAvailableBookiesAsync() { |
| return getChildrenAsync(AVAILABLE_BOOKIES_ROOT) |
| .thenApply(list -> new HashSet<>(list)); |
| } |
| } |