Java tutorial
/* * Copyright 2014 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 com.my.batch.controller; import com.github.base.json.JsonResponse; import com.google.common.collect.Ordering; import lombok.extern.slf4j.Slf4j; import org.springframework.batch.core.Job; import org.springframework.batch.core.JobParametersBuilder; import org.springframework.batch.core.JobParametersInvalidException; import org.springframework.batch.core.configuration.JobRegistry; import org.springframework.batch.core.explore.JobExplorer; import org.springframework.batch.core.jsr.launch.JsrJobOperator; import org.springframework.batch.core.launch.*; import org.springframework.batch.core.repository.JobExecutionAlreadyRunningException; import org.springframework.batch.core.repository.JobInstanceAlreadyCompleteException; import org.springframework.batch.core.repository.JobRepository; import org.springframework.batch.core.repository.JobRestartException; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*; import java.util.Date; import java.util.LinkedHashMap; import java.util.Map; import java.util.Set; /** * */ @RestController @RequestMapping("/batch/operation") @Slf4j public class JobOperationsController { @Autowired private JobOperator jobOperator; @Autowired private JobExplorer jobExplorer; @Autowired private JobRegistry jobRegistry; @Autowired private JobRepository jobRepository; @Autowired private JobLauncher jobLauncher; // @Autowired // private JsrJobOperator jsrJobOperator; @RequestMapping(value = "job/{jobName}", method = RequestMethod.POST) public JsonResponse launch(@RequestBody LinkedHashMap<String, String> jobParams, @PathVariable String jobName) throws NoSuchJobException, JobInstanceAlreadyExistsException, JobParametersInvalidException, JobExecutionAlreadyRunningException, JobRestartException, JobInstanceAlreadyCompleteException, JobParametersNotFoundException { try { // LinkedHashMap<String, Object> jobParams = new LinkedHashMap<>(); Job job = jobRegistry.getJob(jobName); JobParametersBuilder jobParametersBuilder = new JobParametersBuilder(); for (Map.Entry<String, String> entry : jobParams.entrySet()) { jobParametersBuilder.addString(entry.getKey(), String.valueOf(entry.getValue())); } jobLauncher.run(job, jobParametersBuilder.toJobParameters()); } catch (NoSuchJobException e) { log.error("job start fail, jobName " + jobName, e); JsonResponse.createFailMsg(e.getMessage()); } return JsonResponse.createSuccess(); } @RequestMapping(value = "job/{jobName}", method = RequestMethod.PUT) public JsonResponse reStart(@PathVariable String jobName) throws NoSuchJobExecutionException, JobExecutionNotRunningException, NoSuchJobException, JobRestartException, JobParametersInvalidException, JobInstanceAlreadyCompleteException { Set<Long> executions = jobOperator.getRunningExecutions(jobName); Ordering<Long> orders = Ordering.natural(); // List<Long> executionLists = orders.greatestOf(executions,10); jobOperator.restart(orders.max(executions)); return JsonResponse.createSuccess(); } @RequestMapping(value = "job/{jobName}", method = RequestMethod.DELETE) public JsonResponse stop(@PathVariable String jobName) throws NoSuchJobExecutionException, JobExecutionNotRunningException, NoSuchJobException { Set<Long> executions = jobOperator.getRunningExecutions(jobName); Ordering<Long> orders = Ordering.natural(); // List<Long> executionLists = orders.greatestOf(executions,10); jobOperator.stop(orders.max(executions)); return JsonResponse.createSuccess(); } }