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| 1 | +/* |
| 2 | + * Copyright 2023 Netflix, Inc. |
| 3 | + * <p> |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with |
| 5 | + * the License. You may obtain a copy of the License at |
| 6 | + * <p> |
| 7 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | + * <p> |
| 9 | + * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on |
| 10 | + * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the |
| 11 | + * specific language governing permissions and limitations under the License. |
| 12 | + */ |
| 13 | +package com.netflix.conductor.core.execution.mapper; |
| 14 | + |
| 15 | +import java.util.List; |
| 16 | +import java.util.Map; |
| 17 | +import java.util.Optional; |
| 18 | + |
| 19 | +import org.slf4j.Logger; |
| 20 | +import org.slf4j.LoggerFactory; |
| 21 | +import org.springframework.beans.factory.annotation.Autowired; |
| 22 | +import org.springframework.stereotype.Component; |
| 23 | + |
| 24 | +import com.netflix.conductor.common.metadata.tasks.TaskDef; |
| 25 | +import com.netflix.conductor.common.metadata.tasks.TaskType; |
| 26 | +import com.netflix.conductor.common.metadata.workflow.WorkflowDef; |
| 27 | +import com.netflix.conductor.common.metadata.workflow.WorkflowTask; |
| 28 | +import com.netflix.conductor.core.utils.ParametersUtils; |
| 29 | +import com.netflix.conductor.dao.MetadataDAO; |
| 30 | +import com.netflix.conductor.model.TaskModel; |
| 31 | +import com.netflix.conductor.model.WorkflowModel; |
| 32 | + |
| 33 | +/** |
| 34 | + * An implementation of {@link TaskMapper} to map a {@link WorkflowTask} of type {@link |
| 35 | + * TaskType#WHILE} to a {@link TaskModel} of type {@link TaskType#WHILE} |
| 36 | + */ |
| 37 | +@Component |
| 38 | +public class WhileTaskMapper implements TaskMapper { |
| 39 | + |
| 40 | + private static final Logger LOGGER = LoggerFactory.getLogger(WhileTaskMapper.class); |
| 41 | + |
| 42 | + private final MetadataDAO metadataDAO; |
| 43 | + private final ParametersUtils parametersUtils; |
| 44 | + |
| 45 | + @Autowired |
| 46 | + public WhileTaskMapper(MetadataDAO metadataDAO, ParametersUtils parametersUtils) { |
| 47 | + this.metadataDAO = metadataDAO; |
| 48 | + this.parametersUtils = parametersUtils; |
| 49 | + } |
| 50 | + |
| 51 | + @Override |
| 52 | + public String getTaskType() { |
| 53 | + return TaskType.WHILE.name(); |
| 54 | + } |
| 55 | + |
| 56 | + /** |
| 57 | + * This method maps {@link TaskMapper} to map a {@link WorkflowTask} of type {@link |
| 58 | + * TaskType#WHILE} to a {@link TaskModel} of type {@link TaskType#WHILE} with a status of {@link |
| 59 | + * TaskModel.Status#IN_PROGRESS} |
| 60 | + * |
| 61 | + * @param taskMapperContext: A wrapper class containing the {@link WorkflowTask}, {@link |
| 62 | + * WorkflowDef}, {@link WorkflowModel} and a string representation of the TaskId |
| 63 | + * @return: A {@link TaskModel} of type {@link TaskType#WHILE} in a List |
| 64 | + */ |
| 65 | + @Override |
| 66 | + public List<TaskModel> getMappedTasks(TaskMapperContext taskMapperContext) { |
| 67 | + LOGGER.debug("TaskMapperContext {} in WhileTaskMapper", taskMapperContext); |
| 68 | + |
| 69 | + WorkflowTask workflowTask = taskMapperContext.getWorkflowTask(); |
| 70 | + WorkflowModel workflowModel = taskMapperContext.getWorkflowModel(); |
| 71 | + |
| 72 | + TaskModel task = workflowModel.getTaskByRefName(workflowTask.getTaskReferenceName()); |
| 73 | + if (task != null && task.getStatus().isTerminal()) { |
| 74 | + // Since loopTask is already completed no need to schedule task again. |
| 75 | + return List.of(); |
| 76 | + } |
| 77 | + |
| 78 | + TaskDef taskDefinition = |
| 79 | + Optional.ofNullable(taskMapperContext.getTaskDefinition()) |
| 80 | + .orElseGet( |
| 81 | + () -> |
| 82 | + Optional.ofNullable( |
| 83 | + metadataDAO.getTaskDef( |
| 84 | + workflowTask.getName())) |
| 85 | + .orElseGet(TaskDef::new)); |
| 86 | + |
| 87 | + TaskModel whileTask = taskMapperContext.createTaskModel(); |
| 88 | + whileTask.setTaskType(TaskType.TASK_TYPE_WHILE); |
| 89 | + whileTask.setStatus(TaskModel.Status.IN_PROGRESS); |
| 90 | + whileTask.setStartTime(System.currentTimeMillis()); |
| 91 | + whileTask.setRateLimitPerFrequency(taskDefinition.getRateLimitPerFrequency()); |
| 92 | + whileTask.setRateLimitFrequencyInSeconds(taskDefinition.getRateLimitFrequencyInSeconds()); |
| 93 | + whileTask.setRetryCount(taskMapperContext.getRetryCount()); |
| 94 | + |
| 95 | + Map<String, Object> taskInput = |
| 96 | + parametersUtils.getTaskInputV2( |
| 97 | + workflowTask.getInputParameters(), |
| 98 | + workflowModel, |
| 99 | + whileTask.getTaskId(), |
| 100 | + taskDefinition); |
| 101 | + whileTask.setInputData(taskInput); |
| 102 | + return List.of(whileTask); |
| 103 | + } |
| 104 | +} |
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