| /* |
| * 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.bookkeeper.clients.impl.internal; |
| |
| import static org.apache.bookkeeper.clients.impl.internal.ProtocolInternalUtils.createActiveRanges; |
| import static org.apache.bookkeeper.stream.protocol.util.ProtoUtils.createGetActiveRangesRequest; |
| |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.ScheduledExecutorService; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.bookkeeper.clients.impl.container.StorageContainerChannel; |
| import org.apache.bookkeeper.clients.impl.container.StorageContainerChannelManager; |
| import org.apache.bookkeeper.clients.impl.internal.api.HashStreamRanges; |
| import org.apache.bookkeeper.clients.impl.internal.api.MetaRangeClient; |
| import org.apache.bookkeeper.clients.impl.internal.mr.MetaRangeRequestProcessor; |
| import org.apache.bookkeeper.clients.utils.ClientConstants; |
| import org.apache.bookkeeper.common.util.Backoff; |
| import org.apache.bookkeeper.common.util.OrderedScheduler; |
| import org.apache.bookkeeper.stream.proto.StreamProperties; |
| |
| /** |
| * A default implementation for {@link MetaRangeClient}. |
| */ |
| @Slf4j |
| class MetaRangeClientImpl implements MetaRangeClient { |
| |
| private final StreamProperties streamProps; |
| private final ScheduledExecutorService executor; |
| private final StorageContainerChannel scClient; |
| private final Backoff.Policy backoffPolicy; |
| |
| MetaRangeClientImpl(StreamProperties streamProps, |
| OrderedScheduler scheduler, |
| StorageContainerChannelManager channelManager) { |
| this(streamProps, scheduler, channelManager, ClientConstants.DEFAULT_INFINIT_BACKOFF_POLICY); |
| |
| } |
| |
| MetaRangeClientImpl(StreamProperties streamProps, |
| OrderedScheduler scheduler, |
| StorageContainerChannelManager channelManager, |
| Backoff.Policy backoffPolicy) { |
| this.streamProps = streamProps; |
| this.executor = scheduler.chooseThread(streamProps.getStreamId()); |
| this.scClient = channelManager.getOrCreate(streamProps.getStorageContainerId()); |
| this.backoffPolicy = backoffPolicy; |
| } |
| |
| @Override |
| public StreamProperties getStreamProps() { |
| return streamProps; |
| } |
| |
| StorageContainerChannel getStorageContainerClient() { |
| return scClient; |
| } |
| |
| // |
| // Meta KeyRange Server Requests |
| // |
| |
| @Override |
| public CompletableFuture<HashStreamRanges> getActiveDataRanges() { |
| return MetaRangeRequestProcessor.of( |
| createGetActiveRangesRequest(streamProps), |
| (response) -> createActiveRanges(response), |
| scClient, |
| executor, |
| backoffPolicy |
| ).process(); |
| } |
| |
| } |