/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.spi.impl.executionservice.impl;
import com.hazelcast.util.ExceptionUtil;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
/**
* Delegates task execution to a given Executor.
*
* This is convenient when you want to start a task, do not want the task to block a caller thread.
*
*/
class DelegatingCallableTaskDecorator<V>
implements Callable<Future<V>> {
private final ExecutorService executor;
private final Callable<V> callable;
/**
* @param callable Task to be executed
* @param executor ExecutorService the task to be delegated to
*/
public DelegatingCallableTaskDecorator(Callable<V> callable, ExecutorService executor) {
this.executor = executor;
this.callable = callable;
}
@Override
public Future<V> call() {
try {
return executor.submit(callable);
} catch (Throwable t) {
ExceptionUtil.sneakyThrow(t);
}
return null;
}
}