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.model;
018
019 import javax.xml.bind.annotation.XmlAccessType;
020 import javax.xml.bind.annotation.XmlAccessorType;
021 import javax.xml.bind.annotation.XmlAttribute;
022 import javax.xml.bind.annotation.XmlRootElement;
023 import javax.xml.bind.annotation.XmlTransient;
024
025 import org.apache.camel.Endpoint;
026 import org.apache.camel.Processor;
027 import org.apache.camel.processor.PollEnricher;
028 import org.apache.camel.processor.aggregate.AggregationStrategy;
029 import org.apache.camel.spi.RouteContext;
030
031 /**
032 * Represents an XML <pollEnrich/> element
033 *
034 * @see org.apache.camel.processor.Enricher
035 */
036 @XmlRootElement(name = "pollEnrich")
037 @XmlAccessorType(XmlAccessType.FIELD)
038 public class PollEnrichDefinition extends OutputDefinition<PollEnrichDefinition> {
039
040 @XmlAttribute(name = "uri", required = true)
041 private String resourceUri;
042
043 @XmlAttribute(name = "timeout")
044 private Long timeout;
045
046 @XmlAttribute(name = "strategyRef")
047 private String aggregationStrategyRef;
048
049 @XmlTransient
050 private AggregationStrategy aggregationStrategy;
051
052 public PollEnrichDefinition() {
053 this(null, null, 0);
054 }
055
056 public PollEnrichDefinition(AggregationStrategy aggregationStrategy, String resourceUri, long timeout) {
057 this.aggregationStrategy = aggregationStrategy;
058 this.resourceUri = resourceUri;
059 this.timeout = timeout;
060 }
061
062 @Override
063 public String toString() {
064 return "PollEnrich[" + resourceUri + " " + aggregationStrategy + "]";
065 }
066
067 @Override
068 public String getShortName() {
069 return "pollEnrich";
070 }
071
072 @Override
073 public Processor createProcessor(RouteContext routeContext) throws Exception {
074 Endpoint endpoint = routeContext.resolveEndpoint(resourceUri);
075
076 PollEnricher enricher;
077 if (timeout != null) {
078 enricher = new PollEnricher(null, endpoint.createPollingConsumer(), timeout);
079 } else {
080 enricher = new PollEnricher(null, endpoint.createPollingConsumer(), 0);
081 }
082
083 if (aggregationStrategyRef != null) {
084 aggregationStrategy = routeContext.lookup(aggregationStrategyRef, AggregationStrategy.class);
085 }
086 if (aggregationStrategy == null) {
087 enricher.setDefaultAggregationStrategy();
088 } else {
089 enricher.setAggregationStrategy(aggregationStrategy);
090 }
091
092 return enricher;
093 }
094
095 }