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split job scheduler to scheduler and executor
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elastic-job-core/src/main/java/com/dangdang/ddframe/job/internal/executor/JobExecutor.java
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| /* | ||
| * Copyright 1999-2015 dangdang.com. | ||
| * <p> | ||
| * 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. | ||
| * </p> | ||
| */ | ||
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| package com.dangdang.ddframe.job.internal.executor; | ||
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| import com.dangdang.ddframe.job.api.ElasticJob; | ||
| import com.dangdang.ddframe.job.api.config.JobConfiguration; | ||
| import com.dangdang.ddframe.job.api.listener.AbstractDistributeOnceElasticJobListener; | ||
| import com.dangdang.ddframe.job.api.listener.ElasticJobListener; | ||
| import com.dangdang.ddframe.job.exception.JobException; | ||
| import com.dangdang.ddframe.job.internal.guarantee.GuaranteeService; | ||
| import com.dangdang.ddframe.job.internal.schedule.JobFacade; | ||
| import com.dangdang.ddframe.job.internal.schedule.SchedulerFacade; | ||
| import com.dangdang.ddframe.reg.base.CoordinatorRegistryCenter; | ||
| import lombok.Getter; | ||
| import lombok.extern.slf4j.Slf4j; | ||
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| import java.util.Arrays; | ||
| import java.util.List; | ||
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| /** | ||
| * 作业启动器. | ||
| * | ||
| * @author zhangliang | ||
| */ | ||
| @Slf4j | ||
| @Getter | ||
| public class JobExecutor { | ||
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| private final String jobName; | ||
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| private final CoordinatorRegistryCenter regCenter; | ||
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| private final ElasticJob elasticJob; | ||
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| private final SchedulerFacade schedulerFacade; | ||
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| public JobExecutor(final CoordinatorRegistryCenter regCenter, final JobConfiguration jobConfig, final ElasticJobListener... elasticJobListeners) { | ||
| jobName = jobConfig.getJobName(); | ||
| this.regCenter = regCenter; | ||
| List<ElasticJobListener> elasticJobListenerList = Arrays.asList(elasticJobListeners); | ||
| setGuaranteeServiceForElasticJobListeners(regCenter, jobConfig, elasticJobListenerList); | ||
| elasticJob = createElasticJob(jobConfig, elasticJobListenerList); | ||
| schedulerFacade = new SchedulerFacade(regCenter, jobConfig, elasticJobListenerList); | ||
| } | ||
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| private void setGuaranteeServiceForElasticJobListeners(final CoordinatorRegistryCenter regCenter, final JobConfiguration jobConfig, final List<ElasticJobListener> elasticJobListeners) { | ||
| GuaranteeService guaranteeService = new GuaranteeService(regCenter, jobConfig); | ||
| for (ElasticJobListener each : elasticJobListeners) { | ||
| if (each instanceof AbstractDistributeOnceElasticJobListener) { | ||
| ((AbstractDistributeOnceElasticJobListener) each).setGuaranteeService(guaranteeService); | ||
| } | ||
| } | ||
| } | ||
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| private ElasticJob createElasticJob(final JobConfiguration jobConfig, final List<ElasticJobListener> elasticJobListenerList) { | ||
| ElasticJob result; | ||
| try { | ||
| result = (ElasticJob) jobConfig.getJobClass().newInstance(); | ||
| } catch (final InstantiationException | IllegalAccessException ex) { | ||
| throw new JobException(ex); | ||
| } | ||
| result.setJobFacade(new JobFacade(regCenter, jobConfig, elasticJobListenerList)); | ||
| return result; | ||
| } | ||
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| /** | ||
| * 初始化作业. | ||
| */ | ||
| public void init() { | ||
| log.debug("Elastic job: job controller init, job name is: {}.", jobName); | ||
| schedulerFacade.clearPreviousServerStatus(); | ||
| regCenter.addCacheData("/" + jobName); | ||
| schedulerFacade.registerStartUpInfo(); | ||
| } | ||
| } |
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