ruanwenjun commented on code in PR #11137: URL: https://github.com/apache/dolphinscheduler/pull/11137#discussion_r928922086
########## dolphinscheduler-task-plugin/dolphinscheduler-task-api/src/main/java/org/apache/dolphinscheduler/plugin/task/api/loop/BaseLoopTaskExecutor.java: ########## @@ -0,0 +1,103 @@ +/* + * 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.dolphinscheduler.plugin.task.api.loop; + +import org.apache.dolphinscheduler.plugin.task.api.AbstractTaskExecutor; +import org.apache.dolphinscheduler.plugin.task.api.TaskConstants; +import org.apache.dolphinscheduler.plugin.task.api.TaskException; +import org.apache.dolphinscheduler.plugin.task.api.TaskExecutionContext; +import org.apache.dolphinscheduler.plugin.task.api.utils.RetryUtils; + +import java.time.Duration; + +import javax.annotation.Nullable; + +import lombok.NonNull; + +/** + * This class is the base class for all loop task type. + * <p> + * The loop task type means, we will submit a task, and loop the task status until the task is finished. + */ +public abstract class BaseLoopTaskExecutor extends AbstractTaskExecutor { + + /** + * The task instance info will be set when task has submitted successful. + */ + protected @Nullable LoopTaskInstanceInfo loopTaskInstanceInfo; + + protected BaseLoopTaskExecutor(@NonNull TaskExecutionContext taskExecutionContext) { + super(taskExecutionContext); + } + + @Override + public void handle() throws TaskException { + try { + final long loopInterval = getTaskInstanceStatusQueryInterval().toMillis(); + loopTaskInstanceInfo = submitLoopTask(); + this.appIds = loopTaskInstanceInfo.getTaskInstanceId(); + while (!cancel + && !RetryUtils.retryFunction(() -> queryTaskInstanceStatus(loopTaskInstanceInfo).isFinished())) { Review Comment: Done -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
