Author: janstey Date: Mon Feb 2 18:17:13 2009 New Revision: 740056 URL: http://svn.apache.org/viewvc?rev=740056&view=rev Log: CAMEL-1173 - Add a better example of scatter-gather
Added: camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/ camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/LowestQuoteAggregationStrategy.java (with props) camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/MyVendor.java (with props) camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/ScatterGatherTest.java (with props) camel/trunk/components/camel-spring/src/test/resources/org/apache/camel/spring/processor/scattergather/ camel/trunk/components/camel-spring/src/test/resources/org/apache/camel/spring/processor/scattergather/scatter-gather.xml (with props) Removed: camel/trunk/camel-core/src/test/java/org/apache/camel/processor/ScatterGatherTest.java Added: camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/LowestQuoteAggregationStrategy.java URL: http://svn.apache.org/viewvc/camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/LowestQuoteAggregationStrategy.java?rev=740056&view=auto ============================================================================== --- camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/LowestQuoteAggregationStrategy.java (added) +++ camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/LowestQuoteAggregationStrategy.java Mon Feb 2 18:17:13 2009 @@ -0,0 +1,30 @@ +/** + * 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.spring.processor.scattergather; + +import org.apache.camel.Exchange; +import org.apache.camel.processor.aggregate.AggregationStrategy; + +public class LowestQuoteAggregationStrategy implements AggregationStrategy { + public Exchange aggregate(Exchange oldExchange, Exchange newExchange) { + if (oldExchange.getIn().getBody(int.class) < newExchange.getIn().getBody(int.class)) { + return oldExchange; + } else { + return newExchange; + } + } +} \ No newline at end of file Propchange: camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/LowestQuoteAggregationStrategy.java ------------------------------------------------------------------------------ svn:eol-style = native Added: camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/MyVendor.java URL: http://svn.apache.org/viewvc/camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/MyVendor.java?rev=740056&view=auto ============================================================================== --- camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/MyVendor.java (added) +++ camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/MyVendor.java Mon Feb 2 18:17:13 2009 @@ -0,0 +1,42 @@ +/** + * 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.spring.processor.scattergather; + +import org.apache.camel.Exchange; +import org.apache.camel.Produce; +import org.apache.camel.ProducerTemplate; +import org.apache.camel.language.XPath; + +public class MyVendor { + private int beerPrice; + + @Produce(uri = "seda:quoteAggregator") + private ProducerTemplate quoteAggregator; + + public MyVendor(int beerPrice) { + this.beerPrice = beerPrice; + } + + public void getQuote(@XPath("/quote_request/@item") String item, Exchange exchange) throws Exception { + if ("beer".equals(item)) { + exchange.getIn().setBody(beerPrice); + quoteAggregator.send(exchange); + } else { + throw new Exception("No quote available for " + item); + } + } +} \ No newline at end of file Propchange: camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/MyVendor.java ------------------------------------------------------------------------------ svn:eol-style = native Added: camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/ScatterGatherTest.java URL: http://svn.apache.org/viewvc/camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/ScatterGatherTest.java?rev=740056&view=auto ============================================================================== --- camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/ScatterGatherTest.java (added) +++ camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/ScatterGatherTest.java Mon Feb 2 18:17:13 2009 @@ -0,0 +1,46 @@ +/** + * 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.spring.processor.scattergather; + +import java.util.HashMap; +import java.util.Map; + +import org.apache.camel.CamelContext; +import org.apache.camel.ContextTestSupport; +import org.apache.camel.component.mock.MockEndpoint; + +import static org.apache.camel.spring.processor.SpringTestHelper.createSpringCamelContext; + +public class ScatterGatherTest extends ContextTestSupport { + + public void testScatterAndGather() throws Exception { + MockEndpoint result = getMockEndpoint("mock:result"); + result.expectedMessageCount(1); + result.expectedBodiesReceived(1); // expect the lowest quote + + Map<String, Object> headers = new HashMap<String, Object>(); + headers.put("listOfVendors", "bean:vendor1, bean:vendor2, bean:vendor3"); + headers.put("quoteRequestId", "quoteRequest-1"); + template.sendBodyAndHeaders("direct:start", "<quote_request item=\"beer\"/>", headers); + + result.assertIsSatisfied(); + } + + protected CamelContext createCamelContext() throws Exception { + return createSpringCamelContext(this, "org/apache/camel/spring/processor/scattergather/scatter-gather.xml"); + } +} Propchange: camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/processor/scattergather/ScatterGatherTest.java ------------------------------------------------------------------------------ svn:eol-style = native Added: camel/trunk/components/camel-spring/src/test/resources/org/apache/camel/spring/processor/scattergather/scatter-gather.xml URL: http://svn.apache.org/viewvc/camel/trunk/components/camel-spring/src/test/resources/org/apache/camel/spring/processor/scattergather/scatter-gather.xml?rev=740056&view=auto ============================================================================== --- camel/trunk/components/camel-spring/src/test/resources/org/apache/camel/spring/processor/scattergather/scatter-gather.xml (added) +++ camel/trunk/components/camel-spring/src/test/resources/org/apache/camel/spring/processor/scattergather/scatter-gather.xml Mon Feb 2 18:17:13 2009 @@ -0,0 +1,64 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + 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. +--> +<beans xmlns="http://www.springframework.org/schema/beans" + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" + xsi:schemaLocation=" + http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd + http://activemq.apache.org/camel/schema/spring http://activemq.apache.org/camel/schema/spring/camel-spring.xsd + "> + + <!-- START SNIPPET: example --> + <camelContext id="camel" xmlns="http://activemq.apache.org/camel/schema/spring"> + <route> + <from uri="direct:start"/> + <recipientList> + <header>listOfVendors</header> + </recipientList> + </route> + <route> + <from uri="seda:quoteAggregator"/> + <aggregate strategyRef="aggregatorStrategy"> + <correlationExpression> + <header>quoteRequestId</header> + </correlationExpression> + <to uri="mock:result"/> + </aggregate> + </route> + </camelContext> + + <bean id="aggregatorStrategy" class="org.apache.camel.spring.processor.scattergather.LowestQuoteAggregationStrategy"/> + + <bean id="vendor1" class="org.apache.camel.spring.processor.scattergather.MyVendor"> + <constructor-arg> + <value>1</value> + </constructor-arg> + </bean> + + <bean id="vendor2" class="org.apache.camel.spring.processor.scattergather.MyVendor"> + <constructor-arg> + <value>2</value> + </constructor-arg> + </bean> + + <bean id="vendor3" class="org.apache.camel.spring.processor.scattergather.MyVendor"> + <constructor-arg> + <value>3</value> + </constructor-arg> + </bean> + <!-- END SNIPPET: example --> +</beans> Propchange: camel/trunk/components/camel-spring/src/test/resources/org/apache/camel/spring/processor/scattergather/scatter-gather.xml ------------------------------------------------------------------------------ svn:eol-style = native