content: /**
   * 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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.oozie.ambari.view.workflowmanager;
  
  import org.apache.ambari.view.ViewContext;
  import org.apache.oozie.ambari.view.HDFSFileUtils;
  import org.apache.oozie.ambari.view.JobType;
  import org.apache.oozie.ambari.view.WorkflowFilesService;
  import org.apache.oozie.ambari.view.workflowmanager.model.Workflow;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.Collection;
  
  public class WorkflowManagerService {
    private final static Logger LOGGER = LoggerFactory
      .getLogger(WorkflowManagerService.class);
    private final WorkflowsRepo workflowsRepository;
    private final WorkflowFilesService workflowFilesService;
  
    public WorkflowManagerService(ViewContext viewContext) {
      workflowsRepository = new WorkflowsRepo(viewContext.getDataStore());
  
      workflowFilesService = new WorkflowFilesService(new HDFSFileUtils(viewContext));
    }
  
    public void saveWorkflow(String projectId, String path, JobType jobType,
                             String descripton, String userName, String name) {
      LOGGER.debug("save workflow called");
      if (projectId != null) {
        Workflow workflowById = workflowsRepository.findById(projectId);
        if (workflowById == null) {
          throw new RuntimeException("could not find project with id :"
            + projectId);
        }
        setWorkflowAttributes(jobType, userName, name, workflowById);
        workflowsRepository.update(workflowById);
  
      } else {
        String workflowFileName = workflowFilesService.getWorkflowFileName(path, jobType);
        Workflow workflowByPath = workflowsRepository.getWorkflowByPath(workflowFileName,userName);
        if (workflowByPath != null) {
          setWorkflowAttributes(jobType, userName, name, workflowByPath);
          workflowsRepository.update(workflowByPath);
        } else {
          Workflow wf = new Workflow();
          wf.setId(workflowsRepository.generateId());
          setWorkflowAttributes(jobType, userName, name, wf);
          wf.setWorkflowDefinitionPath(workflowFileName);
          workflowsRepository.create(wf);
        }
      }
    }
  
    private void setWorkflowAttributes(JobType jobType, String userName,
                                       String name, Workflow wf) {
      wf.setOwner(userName);
      wf.setName(name);
      wf.setType(jobType.name());
    }
  
    public Collection<Workflow> getAllWorkflows(String username) {
      return workflowsRepository.getWorkflows(username);
    }
  
    public void deleteWorkflow(String projectId, Boolean deleteDefinition) {
      Workflow workflow = workflowsRepository.findById(projectId);
      if (deleteDefinition) {
        workflowFilesService.deleteWorkflowFile(workflow.getWorkflowDefinitionPath());
      }
      workflowsRepository.delete(workflow);
    }
  }