| /** |
| * 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.camel.component.stub; |
| |
| import org.apache.camel.AsyncCallback; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.ExchangePattern; |
| import org.apache.camel.WaitForTaskToComplete; |
| import org.apache.camel.component.seda.QueueReference; |
| import org.apache.camel.component.seda.SedaEndpoint; |
| import org.apache.camel.component.seda.SedaProducer; |
| |
| public class StubProducer extends SedaProducer { |
| |
| public StubProducer(SedaEndpoint endpoint, WaitForTaskToComplete waitForTaskToComplete, long timeout, boolean blockWhenFull, long offerTimeout) { |
| super(endpoint, waitForTaskToComplete, timeout, blockWhenFull, offerTimeout); |
| } |
| |
| @Override |
| public StubEndpoint getEndpoint() { |
| return (StubEndpoint) super.getEndpoint(); |
| } |
| |
| @Override |
| public boolean process(Exchange exchange, AsyncCallback callback) { |
| AsyncCallback cb = callback; |
| |
| QueueReference queueReference = getEndpoint().getQueueReference(); |
| boolean empty = queueReference == null || !queueReference.hasConsumers(); |
| |
| // if no consumers then use InOnly mode |
| final ExchangePattern pattern = exchange.getPattern(); |
| if (empty && pattern != ExchangePattern.InOnly) { |
| exchange.setPattern(ExchangePattern.InOnly); |
| cb = doneSync -> { |
| // and restore the old pattern after processing |
| exchange.setPattern(pattern); |
| callback.done(doneSync); |
| }; |
| } |
| |
| return super.process(exchange, cb); |
| } |
| |
| } |