/* * 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.runtime.rpc.akka.messages; import org.apache.flink.util.Preconditions; import java.io.Serializable; import java.util.concurrent.Callable; /** * Message for asynchronous callable invocations */ public final class CallAsync implements Serializable { private static final long serialVersionUID = 2834204738928484060L; private transient Callable<?> callable; public CallAsync(Callable<?> callable) { this.callable = Preconditions.checkNotNull(callable); } public Callable<?> getCallable() { return callable; } }