| /** |
| * 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.impl; |
| |
| import org.apache.camel.Consumer; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.spi.PollingConsumerPollStrategy; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A default implementation that just logs a <tt>WARN</tt> level log in case of rollback. |
| * <p/> |
| * The implement will <b>not</b> log if the rollback occurred during shutdown. |
| * |
| * @version |
| */ |
| public class DefaultPollingConsumerPollStrategy implements PollingConsumerPollStrategy { |
| |
| protected final transient Logger log = LoggerFactory.getLogger(getClass()); |
| |
| public boolean begin(Consumer consumer, Endpoint endpoint) { |
| return true; |
| } |
| |
| public void commit(Consumer consumer, Endpoint endpoint, int polledMessages) { |
| // noop |
| } |
| |
| public boolean rollback(Consumer consumer, Endpoint endpoint, int retryCounter, Exception e) throws Exception { |
| boolean runAllowed = true; |
| if (consumer instanceof ServiceSupport) { |
| runAllowed = ((ServiceSupport) consumer).isRunAllowed(); |
| } |
| |
| // only log warn if we are running, otherwise we are just stopping which we should not log the issue in the logs |
| if (runAllowed) { |
| log.warn("Consumer " + consumer + " could not poll endpoint: " + endpoint.getEndpointUri() + " caused by: " + e.getMessage(), e); |
| } |
| |
| // we do not want to retry |
| return false; |
| } |
| |
| } |