| /* |
| * 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.hudi.client; |
| |
| import org.apache.hudi.async.HoodieAsyncService; |
| import org.apache.hudi.common.util.collection.Pair; |
| import org.apache.hudi.exception.HoodieException; |
| import org.apache.log4j.LogManager; |
| import org.apache.log4j.Logger; |
| |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| |
| /** |
| * Clean service running concurrently with write operation. |
| */ |
| class AsyncCleanerService extends HoodieAsyncService { |
| |
| private static final Logger LOG = LogManager.getLogger(AsyncCleanerService.class); |
| |
| private final AbstractHoodieWriteClient writeClient; |
| private final String cleanInstantTime; |
| private final transient ExecutorService executor = Executors.newSingleThreadExecutor(); |
| |
| protected AsyncCleanerService(AbstractHoodieWriteClient writeClient, String cleanInstantTime) { |
| this.writeClient = writeClient; |
| this.cleanInstantTime = cleanInstantTime; |
| } |
| |
| @Override |
| protected Pair<CompletableFuture, ExecutorService> startService() { |
| return Pair.of(CompletableFuture.supplyAsync(() -> { |
| writeClient.clean(cleanInstantTime); |
| return true; |
| }), executor); |
| } |
| |
| public static AsyncCleanerService startAsyncCleaningIfEnabled(AbstractHoodieWriteClient writeClient, |
| String instantTime) { |
| AsyncCleanerService asyncCleanerService = null; |
| if (writeClient.getConfig().isAutoClean() && writeClient.getConfig().isAsyncClean()) { |
| LOG.info("Auto cleaning is enabled. Running cleaner async to write operation"); |
| asyncCleanerService = new AsyncCleanerService(writeClient, instantTime); |
| asyncCleanerService.start(null); |
| } else { |
| LOG.info("Auto cleaning is not enabled. Not running cleaner now"); |
| } |
| return asyncCleanerService; |
| } |
| |
| public static void waitForCompletion(AsyncCleanerService asyncCleanerService) { |
| if (asyncCleanerService != null) { |
| LOG.info("Waiting for async cleaner to finish"); |
| try { |
| asyncCleanerService.waitForShutdown(); |
| } catch (Exception e) { |
| throw new HoodieException("Error waiting for async cleaning to finish", e); |
| } |
| } |
| } |
| |
| public static void forceShutdown(AsyncCleanerService asyncCleanerService) { |
| if (asyncCleanerService != null) { |
| LOG.info("Shutting down async cleaner"); |
| asyncCleanerService.shutdown(true); |
| } |
| } |
| } |