| /** |
| * 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.processor; |
| |
| import org.apache.camel.ContextTestSupport; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.mock.MockEndpoint; |
| |
| /** |
| * @version |
| */ |
| public class FailOverLoadBalanceWithRedeliveryTest extends ContextTestSupport { |
| |
| private static int counter; |
| |
| public void testFailoverWithRedelivery() throws Exception { |
| counter = 0; |
| |
| MockEndpoint a = getMockEndpoint("mock:a"); |
| a.expectedMessageCount(3); |
| |
| MockEndpoint b = getMockEndpoint("mock:b"); |
| b.expectedMessageCount(2); |
| |
| MockEndpoint result = getMockEndpoint("mock:result"); |
| result.expectedBodiesReceived("Bye World"); |
| |
| template.sendBody("direct:start", "Hello World"); |
| |
| assertMockEndpointsSatisfied(); |
| } |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| |
| errorHandler(defaultErrorHandler().maximumRedeliveries(2).redeliveryDelay(0)); |
| |
| from("direct:start") |
| .loadBalance().failover().to("direct:a", "direct:b"); |
| |
| from("direct:a") |
| // disable redelivery here as most often your load balancer over external |
| // endpoints you do not have control off, such as a web service call |
| // but we use mock for unit testing so no error handler here please |
| .errorHandler(noErrorHandler()) |
| .to("mock:a") |
| .throwException(new IllegalArgumentException("I cannot do this")); |
| |
| from("direct:b") |
| // disable redelivery here as most often your load balancer over external |
| // endpoints you do not have control off, such as a web service call |
| // but we use mock for unit testing so no error handler here please |
| .errorHandler(noErrorHandler()) |
| .to("mock:b") |
| .process(new Processor() { |
| public void process(Exchange exchange) throws Exception { |
| // fail on the first try but succeed on the 2nd try |
| if (counter++ < 1) { |
| throw new IllegalArgumentException("I can still not do this"); |
| } |
| exchange.getIn().setBody("Bye World"); |
| } |
| }).to("mock:result"); |
| } |
| }; |
| } |
| } |