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.component.seda; 018 019import java.util.concurrent.TimeUnit; 020 021import org.apache.camel.Endpoint; 022import org.apache.camel.Exchange; 023import org.apache.camel.IsSingleton; 024import org.apache.camel.impl.PollingConsumerSupport; 025import org.apache.camel.util.ObjectHelper; 026 027public class SedaPollingConsumer extends PollingConsumerSupport implements IsSingleton { 028 029 public SedaPollingConsumer(Endpoint endpoint) { 030 super(endpoint); 031 } 032 033 @Override 034 public SedaEndpoint getEndpoint() { 035 return (SedaEndpoint) super.getEndpoint(); 036 } 037 038 @Override 039 public Exchange receive() { 040 try { 041 return getEndpoint().getQueue().take(); 042 } catch (InterruptedException e) { 043 Thread.currentThread().interrupt(); 044 throw ObjectHelper.wrapRuntimeCamelException(e); 045 } 046 } 047 048 @Override 049 public Exchange receiveNoWait() { 050 return getEndpoint().getQueue().poll(); 051 } 052 053 @Override 054 public Exchange receive(long timeout) { 055 try { 056 return getEndpoint().getQueue().poll(timeout, TimeUnit.MILLISECONDS); 057 } catch (InterruptedException e) { 058 Thread.currentThread().interrupt(); 059 throw ObjectHelper.wrapRuntimeCamelException(e); 060 } 061 } 062 063 @Override 064 protected void doStart() throws Exception { 065 // noop 066 } 067 068 @Override 069 protected void doStop() throws Exception { 070 // noop 071 } 072 073 @Override 074 public boolean isSingleton() { 075 return true; 076 } 077}