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 org.apache.camel.Consumer; 020import org.apache.camel.Endpoint; 021import org.apache.camel.spi.PollingConsumerPollStrategy; 022import org.slf4j.Logger; 023import org.slf4j.LoggerFactory; 024 025/** 026 * A default implementation that will not retry on rollback. 027 * 028 * @version 029 */ 030public class DefaultPollingConsumerPollStrategy implements PollingConsumerPollStrategy { 031 032 protected final Logger log = LoggerFactory.getLogger(getClass()); 033 034 public boolean begin(Consumer consumer, Endpoint endpoint) { 035 return true; 036 } 037 038 public void commit(Consumer consumer, Endpoint endpoint, int polledMessages) { 039 // noop 040 } 041 042 public boolean rollback(Consumer consumer, Endpoint endpoint, int retryCounter, Exception e) throws Exception { 043 // we do not want to retry 044 return false; 045 } 046 047}