dubbo ScheduledCompletableFuture 源码
dubbo ScheduledCompletableFuture 代码
文件路径：/dubbo-common/src/main/java/org/apache/dubbo/common/threadpool/concurrent/ScheduledCompletableFuture.java
/*
* 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.dubbo.common.threadpool.concurrent;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.function.Supplier;
public class ScheduledCompletableFuture {
public static <T> CompletableFuture<T> schedule(
ScheduledExecutorService executor,
Supplier<T> task,
long delay,
TimeUnit unit
) {
CompletableFuture<T> completableFuture = new CompletableFuture<>();
executor.schedule(
() -> {
try {
return completableFuture.complete(task.get());
} catch (Throwable t) {
return completableFuture.completeExceptionally(t);
}
},
delay,
unit
);
return completableFuture;
}
public static <T> CompletableFuture<T> submit(
ScheduledExecutorService executor,
Supplier<T> task
) {
CompletableFuture<T> completableFuture = new CompletableFuture<>();
executor.submit(
() -> {
try {
return completableFuture.complete(task.get());
} catch (Throwable t) {
return completableFuture.completeExceptionally(t);
}
}
);
return completableFuture;
}
}
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