rpuch commented on code in PR #995: URL: https://github.com/apache/ignite-3/pull/995#discussion_r944373912
########## modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/checkpoint/AwaitTasksCompletionExecutor.java: ########## @@ -0,0 +1,80 @@ +/* + * 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.ignite.internal.pagememory.persistence.checkpoint; + +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.CompletableFuture; +import java.util.concurrent.Executor; + +/** + * Executor {@link #awaitPendingTasksFinished() waiting for the completion} of tasks added via {@link #execute(Runnable)}. + * + * <p>Not thread-safe. + */ +class AwaitTasksCompletionExecutor implements Executor { + private final Executor executor; + + private final Runnable updateHeartbeat; + + private List<CompletableFuture<?>> pendingTaskFutures = new ArrayList<>(); + + /** + * Constructor. + * + * @param executor Executor in which the tasks will be performed. + * @param updateHeartbeat Update heartbeat callback that will be executed on completion of each task. + */ + AwaitTasksCompletionExecutor(Executor executor, Runnable updateHeartbeat) { + this.executor = executor; + this.updateHeartbeat = updateHeartbeat; + } + + /** {@inheritDoc} */ + @Override + public void execute(Runnable command) { + CompletableFuture<?> future = new CompletableFuture<>(); + + future.whenComplete((o, throwable) -> updateHeartbeat.run()); + + pendingTaskFutures.add(future); Review Comment: It's just a suggestion, can be omitted -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
