001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.camel.impl; 018 019import java.util.concurrent.CompletableFuture; 020 021import org.apache.camel.AsyncCallback; 022 023/** 024 * AsyncCallback that provides a CompletableFuture completed when async action is done 025 */ 026public class AsyncCallbackToCompletableFutureAdapter<T> implements AsyncCallback { 027 private final CompletableFuture<T> future; 028 private volatile T result; 029 030 public AsyncCallbackToCompletableFutureAdapter() { 031 this(null); 032 } 033 034 public AsyncCallbackToCompletableFutureAdapter(T result) { 035 this(null, result); 036 } 037 038 public AsyncCallbackToCompletableFutureAdapter(CompletableFuture<T> future, T result) { 039 this.future = future != null ? future : new CompletableFuture<>(); 040 this.result = result; 041 } 042 043 public void setResult(T result) { 044 this.result = result; 045 } 046 047 public CompletableFuture<T> getFuture() { 048 return future; 049 } 050 051 @Override 052 public void done(boolean doneSync) { 053 future.complete(result); 054 } 055}