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ManagerConfiguration.java
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ManagerConfiguration.java
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/*
* Copyright 2018-2022 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
*
* https://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.remotepartitioning.aggregating;
import org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.Step;
import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
import org.springframework.batch.core.configuration.annotation.JobBuilderFactory;
import org.springframework.batch.integration.config.annotation.EnableBatchIntegration;
import org.springframework.batch.integration.partition.RemotePartitioningManagerStepBuilderFactory;
import org.springframework.batch.sample.remotepartitioning.BasicPartitioner;
import org.springframework.batch.sample.remotepartitioning.BrokerConfiguration;
import org.springframework.batch.sample.remotepartitioning.DataSourceConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.dsl.IntegrationFlow;
import org.springframework.integration.jms.dsl.Jms;
/**
* This configuration class is for the manager side of the remote partitioning sample. The
* manager step will create 3 partitions for workers to process.
*
* @author Mahmoud Ben Hassine
*/
@Configuration
@EnableBatchProcessing
@EnableBatchIntegration
@Import(value = { DataSourceConfiguration.class, BrokerConfiguration.class })
public class ManagerConfiguration {
private static final int GRID_SIZE = 3;
private final JobBuilderFactory jobBuilderFactory;
private final RemotePartitioningManagerStepBuilderFactory managerStepBuilderFactory;
public ManagerConfiguration(JobBuilderFactory jobBuilderFactory,
RemotePartitioningManagerStepBuilderFactory managerStepBuilderFactory) {
this.jobBuilderFactory = jobBuilderFactory;
this.managerStepBuilderFactory = managerStepBuilderFactory;
}
/*
* Configure outbound flow (requests going to workers)
*/
@Bean
public DirectChannel requests() {
return new DirectChannel();
}
@Bean
public IntegrationFlow outboundFlow(ActiveMQConnectionFactory connectionFactory) {
return IntegrationFlow.from(requests()).handle(Jms.outboundAdapter(connectionFactory).destination("requests"))
.get();
}
/*
* Configure inbound flow (replies coming from workers)
*/
@Bean
public DirectChannel replies() {
return new DirectChannel();
}
@Bean
public IntegrationFlow inboundFlow(ActiveMQConnectionFactory connectionFactory) {
return IntegrationFlow.from(Jms.messageDrivenChannelAdapter(connectionFactory).destination("replies"))
.channel(replies()).get();
}
/*
* Configure the manager step
*/
@Bean
public Step managerStep() {
return this.managerStepBuilderFactory.get("managerStep").partitioner("workerStep", new BasicPartitioner())
.gridSize(GRID_SIZE).outputChannel(requests()).inputChannel(replies()).build();
}
@Bean
public Job remotePartitioningJob() {
return this.jobBuilderFactory.get("remotePartitioningJob").start(managerStep()).build();
}
}