| /* |
| * 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.rest; |
| |
| import io.netty.util.Recycler; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.TimeUnit; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.bookkeeper.mledger.impl.PositionImpl; |
| import org.apache.pulsar.broker.service.Topic; |
| |
| /** |
| * PublishContext implementation for REST message publishing. |
| */ |
| @Slf4j |
| public class RestMessagePublishContext implements Topic.PublishContext { |
| |
| private Topic topic; |
| private long startTimeNs; |
| private CompletableFuture<PositionImpl> positionFuture; |
| |
| /** |
| * Executed from managed ledger thread when the message is persisted. |
| */ |
| @Override |
| public void completed(Exception exception, long ledgerId, long entryId) { |
| if (exception != null) { |
| positionFuture.completeExceptionally(exception); |
| if (log.isInfoEnabled()) { |
| log.info("Failed to write entry for rest produce request: ledgerId: {}, entryId: {}. " |
| + "triggered send callback.", |
| ledgerId, entryId); |
| } |
| } else { |
| if (log.isInfoEnabled()) { |
| log.info("Success write topic for rest produce request: {}, ledgerId: {}, entryId: {}. " |
| + "triggered send callback.", |
| topic.getName(), ledgerId, entryId); |
| } |
| topic.recordAddLatency(System.nanoTime() - startTimeNs, TimeUnit.MICROSECONDS); |
| positionFuture.complete(PositionImpl.get(ledgerId, entryId)); |
| } |
| recycle(); |
| } |
| |
| // recycler |
| public static RestMessagePublishContext get(CompletableFuture<PositionImpl> positionFuture, Topic topic, |
| long startTimeNs) { |
| RestMessagePublishContext callback = RECYCLER.get(); |
| callback.positionFuture = positionFuture; |
| callback.topic = topic; |
| callback.startTimeNs = startTimeNs; |
| return callback; |
| } |
| |
| private final Recycler.Handle<RestMessagePublishContext> recyclerHandle; |
| |
| private RestMessagePublishContext(Recycler.Handle<RestMessagePublishContext> recyclerHandle) { |
| this.recyclerHandle = recyclerHandle; |
| } |
| |
| private static final Recycler<RestMessagePublishContext> RECYCLER = new Recycler<RestMessagePublishContext>() { |
| protected RestMessagePublishContext newObject(Handle<RestMessagePublishContext> handle) { |
| return new RestMessagePublishContext(handle); |
| } |
| }; |
| |
| public void recycle() { |
| topic = null; |
| startTimeNs = -1; |
| recyclerHandle.recycle(this); |
| } |
| } |