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.example.bam;
018    
019    import org.apache.camel.Exchange;
020    import org.apache.camel.Processor;
021    import org.apache.camel.bam.ActivityBuilder;
022    import org.apache.camel.bam.ProcessBuilder;
023    import org.apache.commons.logging.Log;
024    import org.apache.commons.logging.LogFactory;
025    
026    import org.springframework.orm.jpa.JpaTemplate;
027    import org.springframework.transaction.support.TransactionTemplate;
028    
029    import static org.apache.camel.builder.xml.XPathBuilder.xpath;
030    import static org.apache.camel.util.Time.seconds;
031    
032    /**
033     * @version $Revision: $
034     */
035    // START SNIPPET: example
036    public class MyActivities extends ProcessBuilder {
037        private static final Log LOG = LogFactory.getLog(MyActivities.class);
038    
039        protected MyActivities(JpaTemplate jpaTemplate, TransactionTemplate transactionTemplate) {
040            super(jpaTemplate, transactionTemplate);
041        }
042    
043        public void configure() throws Exception {
044    
045            // lets define some activities, correlating on an XPath on the message bodies
046            ActivityBuilder purchaseOrder = activity("file:src/data/purchaseOrders?noop=true")
047                    .correlate(xpath("/purchaseOrder/@id"));
048    
049            ActivityBuilder invoice = activity("file:src/data/invoices?noop=true")
050                    .correlate(xpath("/invoice/@purchaseOrderId"));
051    
052            // now lets add some rules
053            invoice.starts().after(purchaseOrder.completes())
054                    .expectWithin(seconds(1))
055                    .errorIfOver(seconds(2)).to("log:org.apache.camel.example.bam.BamFailures?level=error");
056    
057            from("seda:failures").process(new Processor() {
058                public void process(Exchange exchange) throws Exception {
059                    LOG.info("Failed process!: " + exchange + " with body: " + exchange.getIn().getBody());
060                }
061            });
062        }
063    };
064    // END SNIPPET: example