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 */
017 package org.apache.camel.util;
018
019 import java.util.concurrent.Callable;
020 import java.util.concurrent.ExecutorService;
021 import java.util.concurrent.Future;
022
023 import org.apache.camel.Exchange;
024 import org.apache.camel.Processor;
025
026 /**
027 * Helper methods for AsyncProcessor objects.
028 */
029 public final class AsyncProcessorHelper {
030
031 private AsyncProcessorHelper() {
032 // utility class
033 }
034
035 /**
036 * Processes the exchange async.
037 *
038 * @param executor executor service
039 * @param processor the processor
040 * @param exchange the exchange
041 * @return a future handle for the task being executed asynchronously
042 */
043 public static Future<Exchange> asyncProcess(final ExecutorService executor, final Processor processor, final Exchange exchange) {
044 Callable<Exchange> task = new Callable<Exchange>() {
045 public Exchange call() throws Exception {
046 processor.process(exchange);
047 return exchange;
048 }
049 };
050
051 return executor.submit(task);
052 }
053 }