| /* |
| * 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.shardingsphere.elasticjob.cloud.executor.type; |
| |
| import org.apache.shardingsphere.elasticjob.cloud.api.ShardingContext; |
| import org.apache.shardingsphere.elasticjob.cloud.api.dataflow.DataflowJob; |
| import org.apache.shardingsphere.elasticjob.cloud.config.dataflow.DataflowJobConfiguration; |
| import org.apache.shardingsphere.elasticjob.cloud.executor.AbstractElasticJobExecutor; |
| import org.apache.shardingsphere.elasticjob.cloud.executor.JobFacade; |
| |
| import java.util.List; |
| |
| /** |
| * Dataflow job executor. |
| */ |
| public final class DataflowJobExecutor extends AbstractElasticJobExecutor { |
| |
| private final DataflowJob<Object> dataflowJob; |
| |
| public DataflowJobExecutor(final DataflowJob<Object> dataflowJob, final JobFacade jobFacade) { |
| super(jobFacade); |
| this.dataflowJob = dataflowJob; |
| } |
| |
| @Override |
| protected void process(final ShardingContext shardingContext) { |
| DataflowJobConfiguration dataflowConfig = (DataflowJobConfiguration) getJobRootConfig().getTypeConfig(); |
| if (dataflowConfig.isStreamingProcess()) { |
| streamingExecute(shardingContext); |
| } else { |
| oneOffExecute(shardingContext); |
| } |
| } |
| |
| private void streamingExecute(final ShardingContext shardingContext) { |
| List<Object> data = fetchData(shardingContext); |
| while (null != data && !data.isEmpty()) { |
| processData(shardingContext, data); |
| if (!getJobFacade().isEligibleForJobRunning()) { |
| break; |
| } |
| data = fetchData(shardingContext); |
| } |
| } |
| |
| private void oneOffExecute(final ShardingContext shardingContext) { |
| List<Object> data = fetchData(shardingContext); |
| if (null != data && !data.isEmpty()) { |
| processData(shardingContext, data); |
| } |
| } |
| |
| private List<Object> fetchData(final ShardingContext shardingContext) { |
| return dataflowJob.fetchData(shardingContext); |
| } |
| |
| private void processData(final ShardingContext shardingContext, final List<Object> data) { |
| dataflowJob.processData(shardingContext, data); |
| } |
| } |