org.apache.flink.util.AutoCloseableAsync Maven / Gradle / Ivy
/*
* 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.flink.util;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
/**
* Closeable interface which allows to close a resource in a non
* blocking fashion.
*/
public interface AutoCloseableAsync extends AutoCloseable {
/**
* Trigger the closing of the resource and return the corresponding
* close future.
*
* @return Future which is completed once the resource has been closed
*/
CompletableFuture closeAsync();
default void close() throws Exception {
try {
closeAsync().get();
} catch (ExecutionException e) {
throw new FlinkException("Could not close resource.", ExceptionUtils.stripExecutionException(e));
}
}
}