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...es/src/main/java/org/springframework/batch/sample/remotechunking/WorkerConfiguration.java
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| /* | ||
| * Copyright 2018 the original author or authors. | ||
| * | ||
| * Licensed 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.springframework.batch.sample.remotechunking; | ||
|
|
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| import org.springframework.amqp.core.AmqpTemplate; | ||
| import org.springframework.amqp.core.Binding; | ||
| import org.springframework.amqp.core.BindingBuilder; | ||
| import org.springframework.amqp.core.Queue; | ||
| import org.springframework.amqp.core.TopicExchange; | ||
| import org.springframework.amqp.rabbit.connection.CachingConnectionFactory; | ||
| import org.springframework.amqp.rabbit.connection.ConnectionFactory; | ||
| import org.springframework.amqp.rabbit.core.RabbitTemplate; | ||
| import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing; | ||
| import org.springframework.batch.integration.chunk.RemoteChunkingWorkerFlowBuilder; | ||
| import org.springframework.batch.integration.config.annotation.EnableBatchIntegration; | ||
| import org.springframework.batch.item.ItemProcessor; | ||
| import org.springframework.batch.item.ItemWriter; | ||
| import org.springframework.beans.factory.annotation.Autowired; | ||
| import org.springframework.beans.factory.annotation.Value; | ||
| import org.springframework.context.annotation.AnnotationConfigApplicationContext; | ||
| import org.springframework.context.annotation.Bean; | ||
| import org.springframework.context.annotation.Configuration; | ||
| import org.springframework.context.annotation.PropertySource; | ||
| import org.springframework.integration.amqp.dsl.Amqp; | ||
| import org.springframework.integration.channel.DirectChannel; | ||
| import org.springframework.integration.config.EnableIntegration; | ||
| import org.springframework.integration.dsl.IntegrationFlow; | ||
| import org.springframework.integration.dsl.IntegrationFlows; | ||
|
|
||
| /** | ||
| * This class is used to start a worker for | ||
| * {@code org.springframework.batch.sample.RemoteChunkingJobFunctionalTests#testLaunchJob()}. | ||
| */ | ||
|
|
||
| @Configuration | ||
| @EnableBatchProcessing | ||
| @EnableBatchIntegration | ||
| @EnableIntegration | ||
| @PropertySource("classpath:default.amqp.properties") | ||
| public class WorkerConfiguration { | ||
|
|
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| @Value("${rabbitmq.host}") | ||
| private String host; | ||
|
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| @Value("${rabbitmq.port}") | ||
| private int port; | ||
|
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| public static void main(String[] args) { | ||
| new AnnotationConfigApplicationContext(WorkerConfiguration.class); | ||
| } | ||
|
|
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| @Autowired | ||
| private RemoteChunkingWorkerFlowBuilder<Integer, Integer> workerFlowBuilder; | ||
|
|
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| @Bean | ||
| public ConnectionFactory rabbitConnectionFactory() { | ||
| CachingConnectionFactory cachingConnectionFactory = new CachingConnectionFactory(); | ||
| cachingConnectionFactory.setHost(host); | ||
| cachingConnectionFactory.setPort(port); | ||
| return cachingConnectionFactory; | ||
| } | ||
|
|
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| @Bean | ||
| public AmqpTemplate rabbitTemplate() { | ||
| RabbitTemplate rabbitTemplate = new RabbitTemplate(); | ||
| rabbitTemplate.setConnectionFactory(rabbitConnectionFactory()); | ||
| return rabbitTemplate; | ||
| } | ||
|
|
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| @Bean | ||
| public Queue requestQueue() { | ||
| return new Queue("requests", false); | ||
| } | ||
|
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| @Bean | ||
| public Queue repliesQueue() { | ||
| return new Queue("replies", false); | ||
| } | ||
|
|
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| @Bean | ||
| public TopicExchange exchange() { | ||
| return new TopicExchange("remote-chunking-exchange"); | ||
| } | ||
|
|
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| @Bean | ||
| Binding repliesBinding(TopicExchange exchange) { | ||
| return BindingBuilder | ||
| .bind(repliesQueue()) | ||
| .to(exchange) | ||
| .with("replies"); | ||
| } | ||
|
|
||
| @Bean | ||
| Binding requestBinding(TopicExchange exchange) { | ||
| return BindingBuilder | ||
| .bind(requestQueue()) | ||
| .to(exchange) | ||
| .with("requests"); | ||
| } | ||
|
|
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| @Bean | ||
| public DirectChannel requests() { | ||
| return new DirectChannel(); | ||
| } | ||
|
|
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| @Bean | ||
| public DirectChannel replies() { | ||
| return new DirectChannel(); | ||
| } | ||
|
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| @Bean | ||
| public IntegrationFlow incomingRequests(ConnectionFactory rabbitConnectionFactory) { | ||
| return IntegrationFlows | ||
| .from(Amqp.inboundAdapter(rabbitConnectionFactory, "requests")) | ||
| .channel(requests()) | ||
| .get(); | ||
| } | ||
|
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| @Bean | ||
| public IntegrationFlow outgoingReplies(AmqpTemplate rabbitTemplate) { | ||
| return IntegrationFlows | ||
| .from("replies") | ||
| .handle(Amqp.outboundAdapter(rabbitTemplate).routingKey("replies")) | ||
| .get(); | ||
| } | ||
|
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| @Bean | ||
| public IntegrationFlow integrationFlow(DirectChannel requests, DirectChannel replies) { | ||
| return workerFlowBuilder | ||
| .itemProcessor(itemProcessor()) | ||
| .itemWriter(itemWriter()) | ||
| .inputChannel(requests) | ||
| .outputChannel(replies) | ||
| .build(); | ||
| } | ||
|
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| @Bean | ||
| public ItemWriter<Integer> itemWriter() { | ||
| return items -> { | ||
| for (Integer item : items) { | ||
| System.out.println("writing item " + item); | ||
| } | ||
| }; | ||
| } | ||
|
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| @Bean | ||
| public ItemProcessor<Integer, Integer> itemProcessor() { | ||
| return item -> { | ||
| System.out.println("processing item " + item); | ||
| return item; | ||
| }; | ||
| } | ||
|
|
||
| } |
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